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Refer ASTM A182 Flanges and PN16 Stainless Steel Forged Flanges dimensions and weight chart


Stainless Steel Flanges

Table Of Content:



Stainless Steel Flange Specification


Specification Stainless Steel Flanges
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Forging Methods Casting/ Forging/ Rolling/ Cutting
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Dimensions And Standard EN 1092-1/ EN 1092-2/ API/ ISO/ JIS/ GOST/ PN
Manufacturer Length NPS 1⁄₂" To NPS 48”
EN Standard 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
DIN Standard PN6/ PN10/ PN16/ PN25/ PN40/ PN64
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Other Standard B16.47 Series A & B/ B16.48, BS4504/ GOST
UNI Standard 6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production Technique Forged/ Heat treated and machined
Stainless Steel Flanges Manufacturer In India Forged/ Threaded/ Screwed / Plate
Most common types of SS Flange Weld Neck Ring Flanges (WNRF)
Blind Ring Flanges (BLRF)
Threaded Ring Flanges
Lap Joint Ring Flanges (LJRF)
Slip-On Ring Flanges (SORF)
Socket Weld Ring Flanges (SWRF)
Ring Type Joint Flanges (RTJF)
Stainless Steel Flanges Manufacturer Pressure Class Class 150 (lb) up to 24"
Class 300 (lb) up to 20"
Class 600 (lb) up to 20"
Class 900 (lb) up to 16"
Class 1500 (lb) up to 10"
Class 2500 (lb) up to 8"
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
  • Price stability can be seen in Stainless Steel Flanges Manufacturer In India
  • ASTM A182 Flanges Material have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • PN16 Stainless Steel Forged Flanges are suitable for harsh conditions.
  • Buy from SS Flange manufacturers in India for factory price
  • A largest Manufacturer, Source, Stock, Stockholder, Traders, Wholesaler, Distributor, Suppliers, Dealer, Distributor, Importer, Exporter, Fabricator & Stockist in Asia & Middle East.

Flange Forging Companies In India


Flange Forging Companies In India
Flange Forging Companies In India
Flange Forging Companies In India
Flange Forging Companies In India
Flange Forging Companies In India
Flange Forging Companies In India

Stainless Steel Flanges Grade



Type Of SS Flange



Available Types Of SS Flanges


Stainless Steel Pipe Flanges

Stainless Steel Pipe Flanges

SS Flanges

SS Flanges

SS Pipe Flanges

SS Pipe Flanges

Steel Flange

Steel Flange

Stainless Flange

Stainless Flange

Stainless Pipe Flanges

Stainless Pipe Flanges

Stainless Steels Floor Flange

Stainless Steels Floor Flange

 Steel Tank Flange

Steel Tank Flange

Forged Stainless Steel Flanges

Forged Stainless Steel Flanges

Flange SS

Flange SS

 Stainless Steels Threaded Flange

Stainless Steels Threaded Flange

Stainless Steels Forged Flanges

Stainless Steels Forged Flanges

Van Stone Flange Stainless Steels

Van Stone Flange Stainless Steels

 Forged Stainless Flanges

Forged Stainless Flanges

SS Threaded Pipe Flange

SS Threaded Pipe Flange

Stainless Floor Flange

Stainless Floor Flange

 4 Inch Stainless Steel Flange

4 Inch Stainless Steel Flange

2 Inch Stainless Steel Flange

2 Inch Stainless Steel Flange

Stainless Steel Backing Flange

Stainless Steel Backing Flange

 Stainless Steel Sink Flange

Stainless Steel Sink Flange

Stainless Steels Duct Flange

Stainless Steels Duct Flange

Steel Tube With Flange

Steel Tube With Flange

 SS Flange 2 Inch

SS Flange 2 Inch

Pn16 Stainless Steel Flanges

Pn16 Stainless Steel Flanges

6 Inch Steel Pipe Flange

6 Inch Steel Pipe Flange

 SS Threaded Flange

SS Threaded Flange

Stainless Steel Companion Flange

Stainless Steel Companion Flange


Are you looking Genuine stainless steel flanges manufacturers in India?

Vishal Steel is manufacturer of stainless steel flanges and ASTM a182 flanges in Mumbai and Gujarat since year 2006, with the experience of 15 years as a manufacturer of ss flanges we have gained vast experience in worldwide export specially in Indonesia, Abu Dhabhi and Malaysia many more countries.


Vishal Steel Have Expert Engineer

SS Flange Expert Engineer
SS Flange Expert Engineer
SS Flange Expert Engineer
SS Flange Expert Engineer
SS Flange Expert Engineer
SS Flange Expert Engineer

Stainless Steel Flange Machine


Stainless Steel Flange Machine
Stainless Steel Flange Machine
Stainless Steel Flange Machine
Stainless Steel Flange Machine

  • Beveling Machine
  • CNC Lath
  • Oil Fired Heat Treatment Furnace
  • Hydraulic Press 300 Tons Capacity
  • Radial Driling Machine
  • Conventional Machine
  • Cold Forming Machines
  • Hot Forming Machines
  • Heat Treatment For Forged Flanges
  • Hydraulic Press 150 Tons Capacity
  • Portable Temperature Indicator

ASTM A182 Flange Pressure Rating


ASTM A182 Flange Pressure Rating

Vishal Steel Is Prominent Stainless Steel Flanges Suppliers In South And North America, Europe And West Africa:

Forged Stainless Steel Flanges

Forged Stainless Steel Flanges

Saudi Arabia (KSA), Dubai, Hong Kong, China.

Stainless Steel Forged Flanges

Stainless Steel Forged Flanges

Germany, Oman, Malaysia, Poland, Qatar.

Stainless Steel Pipe Flange

Stainless Steel Pipe Flange

Iran, Brazil, United Arab Emirates (UAE).

2 Inch Stainless Steel Flange

2 Inch Stainless Steel Flange

Netherlands, USA, United States, Canada.

4 Inch Stainless Steel Flange

4 Inch Stainless Steel Flange

Singapore, Vietnam, Mexico, Denmark.

ASTM A182 Flanges

ASTM A182 Flanges

Thailand, Finland, Russia, Belgium.

Stainless Pipe Flanges

Stainless Pipe Flanges

Egypt, Philippines, South Korea, Italy.

Steel Tube Flange

Steel Tube Flange

Spain, Jakarta, Australia, Jordan.

PN16 Stainless Steel Flanges

PN16 Stainless Steel Flanges

France, Taiwan, Kuwait, Portugal.


Stainless Steel Forged Flanges Weight Chart


Pressure ClassNominal Size Of Pipe  (NPS)Slip On (SORF)Threaded (NPT)Socket Weld (SWRF)Lap Joint (LOOSE)Blind (BLRF)Weld Neck (WNRF)
Class 150 Flanges½ 112122
¾222222
1222223
333333
1½ 333344
2555556
2½ 8888710
39999911.5
3½ 111211111312
4131313131716.5
5151515152021
6191919192726
8303030304742
10434343437054
126464646412388
14909090105140114
161069898140180140
18130130130160220165
20165165165195285197
22185185185245355225
24220220220275430268

PN16 Stainless Steel Flanges Dimensions


Flanges Size inchesFlanges Size millimeterOuter Diameter (O.D.) inchesOuter Diameter (O.D.) millimeterInner Diameter (I.D.) inchesInner Diameter (I.D.) millimeterØ B.H.C. In inchesØ B.H.C. In millimeterØ B.H. inchesØ B.H. millimeter# B.H.Thickness inchesThickness millimeterWeight lbsWeight Kilogram
8.020013.393408.72221.5011.612950.87022121.0202621.09.5
10.025015.9440510.88276.4013.973551.02026121.1402931.014.1
12.030018.1146012.88327.2016.144101.02026121.2603242.719.4
14.035020.4752014.19360.4018.504701.02026161.3803562.328.3
15.040022.8358016.19411.2020.675251.18030161.5003880.536.5
17.045025.2064018.19462.0023.035851.18030201.65042110.350.1
19.050028.1571520.19512.8025.596501.30033201.81046141.564.2
24.060033.0784024.19614.4030.327701.42036202.05052213.596.9

An ISO 9001:2008 Certified company, Vishal Steel take immensure pleasure in introducing itself as one of top 5 stainless steel flanges manufacturers in India/ Exporter/ Stockiest And Supplier of ASTM a182 flanges etc in different products such as Blind Flange/ Slip On Flange/ Weld Neck Flange/ Orifice Flange/ Socket Weld Flange/ Threaded Flange to meet the customer ultimate requirements.


2 Inch Stainless Steel Flange Application

2 Inch Stainless Steel Flange Application
2 Inch Stainless Steel Flange Application
2 Inch Stainless Steel Flange Application
2 Inch Stainless Steel Flange Application

  • Steel Tube Flange For Specialty Chemicals
  • DN80 Steels Flange For Power Generation
  • Stainless Steel Puddle Flange For Condensers
  • ASTM SA182 Flange For Chemical Equipment
  • SS Pipe Flanges For Gas Processing
  • PN16 Stainless Steels Flanges For Pulp and Paper Industry
  • ASTM A182 Flanges For Sea Water Equipment
  • SS Pipe Flange For Pharmaceutical Equipment
  • 4 Inch Steel Flange For Off-Shore Oil Drilling Companies
  • 2 Inch Steel Flange For Petrochemicals
  • Stainless Steels Pipe Flange For Heat Exchangers
  • Stainless Steels Forged Flanges For Pharmaceuticals

Global Client Reference list & delivery schedule of Stainless Steel Flanges


Location Days Clients
India 7
  • Indian oil corporation, India
  • L&T India
  • Essar India
  • BHEL India
  • NTPC India
  • WIPRO India
Singapore 15
  • Pacific Oil & Gas -Singapore, 1 Raffles Pl, Singapore 048624
  • Repsol Oil & Gas SEA Pte. Ltd. -Singapore, tower 2 Marina Bay Financial Centre, Singapore 018983
  • BP Singapore Pte Ltd -Singapore, 7 Straits View, #26-01 Marina One East Tower, Singapore 018936
  • Cosmo Oil International Pte Ltd -Singapore, 6 Battery Rd, Singapore 049909
UK 40
  • Solutia UK Ltd, Corporation Rd, Newport NP19 4XF, United Kingdom (UK)
  • Stepan UK Ltd, Bridge House, Bridge Street, Stalybridge SK15 1PH, United Kingdom (UK)
  • Univar UK Ltd, Block K/Leslie Caerphilly CF83 1BQ, United Kingdom (UK)
Australia 40
  • Scott Chemicals Australia Pty Ltd, 21/296 Bay Rd, Cheltenham VIC 3192, Australia
  • Wildcat Chemicals Australia, 15 Magnesium St, Narangba QLD 4504, Australia
  • Knight Equipment Australia PTY Ltd., Unit 3/1B Kleins Rd, Northmead NSW 2152, Australia
Italy 30
  • Ecolab Production Italy, Via A. Grandi, 9, 20089 Rozzano MI, Italy
  • Sabic Italia Spa, Via S. Clemente, 1, 20122 Milano MI, Italy
  • TEVA Pharmaceutical Industries (Italy), Via Terrazzano, 77, 20017 Rho MI, Italy
Germany 32
  • Evonik Industries AG, Rößlerstraße 1, 64293 Darmstadt, Germany
  • DEA German Petroleum AG, Überseering 40, 22297 Hamburg, Germany
  • Oiltanking GmbH Germany, Saarstraße 14, 63450 Hanau, Germany
Kuwait 12
  • Kuwait National Petroleum Company, Hamad Al Zuwayer St, Ahmadi, Kuwait
  • Kuwait Oil Tanker Company, Kuwait
  • Kuwait Drilling Company, Kuwait City, Kuwait
Oman 12
  • Oman Oil Service Station, Seeb, Oman
  • CC Energy Development S.A.L Oman, 3026 As Saruj St, Muscat, Oman
Qatar 15
  • SPIE Oil & Gas Services Doha LLC (Qatar), Cat Building, Al Saad - 4th Floor، Doha, Qatar
  • Qatar Petroleum Oil Refinery, Mesaieed, Qatar

Gaskets For Stainless Steel Flanges


(Normal Size Of Pipes) In Inch(I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/20.841.8752.1252.1252.1252.50
3/41.062.252.6252.6252.6252.75
11.312.6252.8752.8752.8753.125
1 1/41.6633.253.253.253.50
1 1/21.913.3753.753.753.753.875
22.384.1254.3754.3754.3755.625
2 1/22.884.8755.1255.1255.1256.50
33.505.3755.8755.8755.8756.625
44.506.8757.1257.007.6258.125
55.567.758.508.3759.509.75
66.628.759.8759.7510.5011.375
88.621112.12512.0012.62514.125
1010.7513.37514.2514.12515.7517.125
1212.7516.12516.62516.5018.0019.625

Class 600 Stainless Steel Flanges Dimensions


Class 600 Stainless Steel Flanges Dimensions
Normal Pipe SizeFlange
Diameter
('O')
Diameter of
(B.C.)
'A'
Diameter of (B.H.)
'D'
Holes
Number
Flanges Wall Thickness
'C'
Diameter (Flanges) at Weld Bevel(Flanges) Diameter of Hub
'E'
Length Of Through HubBore ('B')Diameter of
(RF)
R
Depth of
Socket Weld
F
Threading
Length
SORF/ SWRF
(Y)
WNRF
(Y)
Lap Joit
(Y)
SORF/ SWRF
(B)
Lap Joit
(B)
1/2''1595.266.715.9414.321.338.122.252.422.222.322.934.99.515.9
3/4''20117.582.519.0415.926.747.625.457.125.427.728.242.911.115.9
1''25123.888.919.0417.533.554.027.061.927.034.535.050.812.717.5
132133.398.419.0420.642.263.528.666.728.643.243.763.514.320.6
140155.6114.322.2422.248.369.831.769.831.749.550.073.015.922.2
2''50165.1127.019.0825.460.484.136.573.036.562.062.592.117.525.4
265190.5149.222.2828.673.1100.041.379.441.374.775.4104.819.028.6
3''80209.5168.322.2831.888.9117.546.082.546.090.791.4127.0-30.2
390228.5184.222.2834.9101.6133.449.385.749.3103.4104.1140.0-31.7
4''100273.0215.925.4838.1114.3152.454.0101.654.0116.1116.8157.2-33.3
5''125330.2266.728.6844.4141.2188.960.3114.360.3143.8144.5185.7-36.5
6''150355.6292.128.61247.6168.4222.266.7117.566.7170.7171.4215.9-39.7
8''200419.1349.231.71255.6219.2273.076.2133.376.2221.5222.2269.9-44.4
10''250508.0431.834.91663.5273.0342.985.7152.4111.2276.3277.4323.8-49.2
12''300558.8488.934.92066.7323.8400.092.1155.6117.3327.1328.2381.0-55.6
14''350603.2527.038.12069.9355.6431.893.7165.1127.0359.1360.2412.7-57.1
16''400685.8603.241.32076.2406.4495.3106.4177.8139.7410.5411.2469.9-63.5
18''450742.9654.044.42482.6457.2546.1117.5184.1152.4461.8462.3533.4-68.3
20''500812.8723.944.42488.9508.0609.6127.0190.5165.1513.1514.3584.2-73.0
24''600939.8838.250.824101.6609.6717.5139.7203.2184.1615.9615.9692.1-82.5


Custom Stainless Steel Flanges Manufacturer


Custom Stainless Steel Flanges Manufacturer
  • what is custom?
  • WE manufacture custom flanges to meet our customer specifications.
  • Give us your engineering drawings and We will get you the custom flanges
  • Wide Range of materials :
  • Carbon Steels
  • High Strength Steels
  • 304, 304L, 316, 316L
  • Rating
  • ASME Class 150 lbs. to Class 3,000 lbs.
  • Finishing Services
  • Painting
  • Plating
  • Diameter
  • Up to 72 inch
  • Surface Finish
  • 16 Ra
  • Tolerance
  • ± 0.0005 in.

Forged Stainless Steel Flanges Test Certificates

  • 100% Radiography Test Report
  • Raw Materials Certificate
  • Third Party Inspection Repor
  • EN 10204/3.1B,

Large Diameter Stainless Steel Flanges


Large Diameter Stainless Steel Flanges

Size : NPS 26 through NPS 60

Large Diameter SS Flanges

Table E Stainless Steel Flange Dimensions


Table E Stainless Steel Flange Dimensions
Normal Bore Size (NBS)(D)(K)(L)(A)(C)(N1)(N2)(B)(H1)(H2)(R1)(R2)(Flanges Holes)
½"1595.366.814.521.36.427.033.322.49.522.26.41.64
¾"20101.673.214.526.76.433.338.127.711.122.26.41.64
1"25114.382.614.533.57.242.947.634.611.122.26.41.64
1 ¼"32120.787.414.542.27.949.255.643.211.125.46.41.64
1 ½"40133.498.614.548.38.758.761.949.512.728.66.41.64
2"50152.4114.317.560.59.569.974.662.012.728.66.41.64
2 ½"65165.1127.017.573.210.382.690.574.715.931.86.41.64
3"80184.2146.117.588.911.1101.6106.490.715.934.96.41.64
3 ½"88203.2165.117.5101.611.9114.3119.1103.417.534.96.41.64
4"100215.9177.817.5114.312.7130.2133.4116.119.141.39.53.24
5"125254.0209.617.5141.214.3152.4160.3143.819.144.59.53.28
6"150279.4235.017.5168.417.5184.2185.7171.719.147.69.53.28
8"200336.6292.117.5219.219.1241.3241.3221.522.250.89.53.28
10"250406.4355.622.2273.122.2292.1298.5276.427.063.59.53.28
12"300457.2406.422.2323.925.4342.9349.3325.928.669.99.54.812
14"350527.1469.925.4355.628.6406.4-359.2-73.09.54.812

Stainless Steel Square Flange Dimensions


Stainless Steel Square Flange Dimensions

European Standards Of Stainless Steel Pipe Flange

European standard EN 1092: Stainless Pipe Flanges and Their Joints (Circular Flanges for Pipes/ Valves/ Fittings and Accessories/ PN designated)


  • Steel flanges, PN 2.5 to PN 400
European Standards Of Stainless Steel Pipe Flange
European Standards Of SS Pipe Flange

Manufacturer of DN80 Stainless Steel Flange for petrochemical plants, check DIN standards of SS Pipe Flange


DIN Standards For Stainless Steel Flanges


DIN Standards For Stainless Steel Flanges

SS Pipe Flange Class Ratings


ASME B16.5 Piping class ratings based on PN rating
SS Flange Class 150 300 400 600 900 1500 2500
SS Flange Pressure Nominal, (PN) 20 50 68 100 150 250 420

Stainless Steel Flanges manufacturer in India offers 2 Inch, 4 Inch Tube Flange at factory price in Mumbai, ASTM SA182 Flanges available in various face such as Raised, RTJ, Flat, Tongue and Groove according to EN 1092-1


DN80 Stainless Steel Flange Dimensions


DN80 Stainless Steel Flange Dimensions

3" NB (DN80) Flange Dimensions Table

3" (Inch)Diameter Of Flange In MMPCD In MMNumber of Bolt HolesBolts Diameter In Metric/ MMHoles Diameter In MMRaised Face (RF) Diameter In MMRaised Face (RF) Height In MM
PN61901504M16181283
PN102001608M16181383
PN162001608M16181383
PN252001608M16181383
PN402001608M16181383
PN642151708M20221383
Table D7 1/4" (184)5 3/4" (146)45/8" (16)11/16" (17)  
Table E7 1/4" (184)5 3/4" (146)45/8" (16)11/16" (17)  
Table F8" (203)6 1/2" (165)85/8" (16)11/16" (17)  
Table H8" (203)6 1/2" (165)85/8" (16)11/16" (17)5" (127)1/16" (2)
ANSI 125/1507 1/2" (191)6" (152)45/8" (16)3/4" (19)5" (127)1/16" (2)
ANSI 3008 1/4" (210)6 5/6" (168)83/4" (19)7/8" (22)5" (127)1/16" (2)

Stainless Steel Forged Flanges Value Added Services

  • Chemical Analysis – Spectro Analysis
  • Intergranular Corrosion (IGC) Test
  • Hardness Test
  • Chemical Equipment
  • Pitting Resistance Test
  • Positive Material Identification – PMI Testing
  • Micro and MacroTest
  • Flattening Test
  • Mechanical Testing Such as Tensile of Area

Stainless Steel Puddle Flange Dimensions


Stainless Steel Puddle Flange Dimensions

SS Flange Price List


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Stainless Steel Blind Flange 3/4 40 150 ASTM A182 F304 120.00
1 40 150 - 143.00
Blind 1-1/2 40 150 - 234.00
Stainless Steel Weld Neck Flange 2 STD 150 - 310.00
- 4 STD 300 - 650.00
Weld Neck 6 80 300 - 987.00
Stainless Steel Slip On Flange 2 40 150 - 187.00
- 3 40 150 - 347.00
Slip On 8 80 300 ASTM A182 F304 1200.00

Our Clients List

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Looking for Large Diameter Stainless Steel Flanges? Buy directly from SS Flange manufacturer in Mumbai, we produce Class 150-2500 Stainless Pipe Flanges in plate, forging and casting methods, Stainless Steel Flanges Manufacturer In India

Advantages Of Forged Stainless Steel Flanges


Advantages Of Forged Stainless Steel Flanges

Forging Process Of Stainless Steel Flanges


Forging Process Of Stainless Steel Flanges

Marking On Stainless Steel Flanges


Marking On Stainless Steel Flanges
  • size
  • item
  • specification and number
  • pressure rating, with unit
  • OD
  • WT, with unit
  • bore when applicable
  • std schedule when applicable,
  • material specification
  • 6"
  • FLANGE
  • RFWN
  • ASME B16.5 #150
  • 6" OD x 0.250"
  • 152.4 Unit
  • Bore 15.500"
  • SCH10S
  • ASTM A182 F304

Marking On SS Flanges

Face Types Of Forged Stainless Flanges


Face Types Of Forged Stainless Flanges

Stainless Steel Flanges Wall Thickness


Normal Size Of PipeOuter Diameter (O.D.)10 Schedule20 Schedule30 ScheduleSTD Wall40 Schedule60 ScheduleEXT Hvy80 Schedule100 Schedule120 Schedule140 Schedule160 ScheduleXX Hvy
½0.840.083......0.1090.109...0.1470.147.........0.1880.294
¾1.050.083......0.1130.113...0.1540.154.........0.2190.308
11.3150.109......0.1330.133...0.1790.179.........0.250.358
1 ¼1.660.109......0.140.14...0.1910.191.........0.250.382
1 ½1.90.109......0.1450.145...0.20.2.........0.2810.4
22.3750.109......0.1540.154...0.2180.218.........0.3440.436
2 ½2.8750.12......0.2030.203...0.2760.276.........0.3750.552
33.50.12--0.2160.216-0.30.3---0.4380.6
3 ½40.12--0.2260.226-0.3180.318----0.636
44.50.12--0.2370.237-0.3370.337-0.438-0.5310.674
55.5630.134--0.2580.258-0.3750.375-0.5-0.6250.75
66.6250.134--0.280.28-0.4320.432-0.562-0.7190.864
88.6250.1480.250.2770.3220.3220.4060.50.50.5940.7190.8120.9060.875
1010.750.1650.250.3070.3650.3650.50.50.5940.7190.84411.1251
1212.750.180.250.330.3750.4060.5620.50.6880.84411.1251.3121
14140.250.3120.3750.3750.4380.5940.50.750.9381.0941.251.406-
16160.250.3120.3750.3750.50.6560.50.8441.0311.2191.4381.594-

  • SS Pipe Flanges Dimensions in inches And Weight in pounds.
  • Wall thicknesses are identical to steel (SS) Sche 10S in size through 12″ Inch, and to Sch 10 sizes 14 Inch″, Or larger.
  • Standard Wall thick. are identical to steels flanges Sch 40S in size though 10″ inch.
  • Extra Heavy Wall thick. (WT) are identical to flange Sch 80S in sizes through 8″ inch.
  • Other sizes or thick. types of steels flanges can be provided to meet applications.
  • SS Flange manufacturer and Stocked in and carbon steels, or variety of other metals and alloy steels.

Manufacturer of Stainless Steel Pipe Flange in Plate ASTM A240 (Forging) or ASTM A351 (Casting) as per ANSI/ ASME B16.5 specification, check SS Flange price in India

4 Inch Stainless Steel Flange Documentation

  • Raw Material Test Reports
  • Fumigation Certificates
  • Fumigation Certificates
  • Guarantee Letter
  • QAP (Quality Assurance Plan)
  • NABL approved Laboratory Test Reports
  • Heat Treatment Charts
  • Commercial Invoice which includes HS Code

SS Flange Standard


SS Flange Standard
  • BS 4504
  • ASME B16.5
  • ANSI B16.5
  • MSS SP-44
  • EN 1092-2 PN16
  • DIN
  • EN 1092-1
  • AWWA C207
  • JIS
  • ISO

Stainless Steel Pipe Flange Sizes


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100


ASTM SA182 Flange Packaging


ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging
ASTM SA182 Flange Packaging

ASTM A182 SS Flange Tolerance


Type Of ASME/ ANSI B16.5 2 Inch Stainless Flange DiameterTolerance Chart
(A) (Outer Diameter)
  • When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm)
  • When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D) (Inner Diameter)
  • 10 Inches and smaller: ±1/32" (0.8 in mm)
  • 12 Inches thru 18": +1/8" (3.2 in mm)
  • 20 Inches and larger: -1/16" (1.6 in mm)
(B) Contact Face
  • 1/16" (RF): ±1/32" (0.8 mm)
  • 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J) Hub At Base Dai.
  • When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
(H) Diameter of hub at point of welding
  • 5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter)
  • 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P) Drilling
  • (B.C.): ±1/16" (1.6 mm)
  • (B.H.) spacing: ±1/32" (0.8 mm)
  Eccentricity of (bc) with respect to facing
  • 2 1/2" or smaller ±1/32" (0.8 mm) max.
  • 3" or larger ±1/16" (1.6 mm) max.
(C) (W.T.)
  • 18 inch or smaller: ±1/8" (3.2 mm), -0"
  • 20 inch or larger: ±3/16" (4.8 mm), -0"
(K) hub Length
  • 10 Inch or smaller: ±1/16" (1.6 millimeter)
  • 12 Inch or larger: ±1/8" (3.2 millimeter)

Steel Flanges Production Process


Steel Flanges Production Process

Stainless Steel Flange HS Code


HS Code For SS Pipe Flanges Des Of Item Policy
73072100 4 Inch Stainless Steel Flange Free

Stainless Steel Flange Bolt Torque


SS Pipe Flange Size InchSS Pipe Flange Size MM(Maximum) Radial Projection
No Deeper Than the Bottom In MillimeterDeeper Than the Bottom In Millimeter
1/2153.01.5
3/4203.01.5
1253.01.5
1 1/4323.01.5
1 1/2403.01.5
2503.01.5
2 1/2653.01.5
3804.51.5
3 1/2906.03.0
41006.03.0
51256.03.0
61506.03.0
82008.04.5
102508.04.5
123008.04.5
143508.04.5
1640010.04.5
1845012.06.0

Stainless Steel Flange Bore Size


Loose (Lap Joint) And SORF (Slip On) Flange Bores

Size Tolerance
Normal Size Of Pipe ≤ 10 +1.0, -0.0 mm (+0.03,-0.0 in.)
Normal Size Of Pipe ≥ 12 +1.5, -0.0 mm (+0.06,-0.0 in.)

Counter Bores, NPT (Threaded) Flange

Size Chart Tolerance Of
Normal Size Of Pipe ≤ 10 +1.0, -0.0 mm (+0.03,-0.0 in.)
Normal Size Of Pipe ≥ 12 +1.5, -0.0 mm (+0.06,-0.0 in.)

Counter Bores, Welding (Weld Neck) Flange

ANSI B16.5 Size ASME B16.5 Tolerance
1/2 ≤ Normal Size Of Pipe ≤ 3 ±0.25 mm (±0.010 in.)

SS Flange Bolt Chart


SS Flange Bolt Chart

Stainless Flange Heat Treatment Process


Name Of Grade Types Of Heat Treatment Austenitizing & Solutioning Cooling Quenching Tempering
Types Of Treat temperature (Temp.), minimum. (°F) Media Cool Temp.
Stainless Steel 304 Flanges Solution 1900 [1040] Liquid 500 [260] B
treat and
quench
Stainless Steel 304L Flanges Solution 1900 [1040] Liquid 500 [260] B
treat and
quench
Stainless Steel 316 Flanges Solution 1900 [1040] Liquid 500 [260] B
treat and
quench
Stainless Steel 316L Flanges Solution 1900 [1040] Liquid 500 [260] BB
treat and
quench
Stainless Steel 321 Flanges Solution 1900 [1040] Liquid 500 [260]
treat and
quench
Stainless Steel 347 Flanges Solution 1900 [1040] liquid 500 [260] B
treat and
quench

Stainless Pipe Flanges Equivalent


Name Of STANDARD JIS STANDARD BS STANDARD WERKSTOFF Number UNS Number GOST STANDARD AFNOR STANDARD EN STANDARD
Stainless Steel 304 Flanges SUS 304 304S31 1.4301 S30400 08Х18Н10 Z7CN18‐09 X5CrNi18-10
Stainless Steel 304L Flanges SUS 304L 3304S11 1.4306 / 1.4307 S30403 03Х18Н11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11
Stainless Steel 316 Flanges SUS 316 316S31 / 316S33 1.4401 / 1.4436 S31600 Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
Stainless Steel 316L Flanges SUS 316L 316S11 / 316S13 1.4404 / 1.4435 S31603 03Ch17N14M3 / 03Ch17N14M2 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3
Stainless Steel 321 Flanges SUS 321 1.4541 S32100 X6CrNiTi18-10
Stainless Steel 347 Flanges SUS 347 1.4550 S34700 08Ch18N12B X6CrNiNb18-10

ASTM A182 Flanges Chemical Composition


ASTM A182 Flanges Composition, %
Grade Carbon Manganese Phosphorus Sulfur Silicon Nickel
Stainless Steel 304 Flanges 0.08 2.0 0.045 0.03 1.0 8.0
11.0
Stainless Steel 304L Flanges 0.03 2.0 0.045 0.03 1.0 8.0
13.0
Stainless Steel 310 Flanges 0.25 2.0 0.045 0.03 1.0 19.0
22.0
Stainless Steel 316 Flanges 0.08 2.0 0.045 0.03 1.0 10.0
14.0
Stainless Steel 316L Flanges 0.03 2.0 0.045 0.03 1.0 10.0
15.0
Stainless Steel 321 Flanges 0.08 2.0 0.045 0.03 1.0 9.0
12.0
Stainless Steel 347 Flanges 0.08 2.0 0.045 0.03 1.0 9.0
13.0

ASTM A182 Mechanical Properties


Grade Name UNS No. Tensile Properties
(ksi) (minimum)
Yield Properties
(ksi) (minimum)
Elongation Properties
(minimum)
Hardnes Properties
(Brinell) (maximum)
Hardness
(Rockwell B) (maximum)
Stainless Steel 304 Flanges S30400 75 30 40% in 2″ 183 88
Stainless Steel 304L Flanges S30403 70 30 40% in 2″ 183 88
Stainless Steel 316 Flanges S31600 75 30 40% in 2″ 217 95
Stainless Steel 316L Flanges S31603 70 25 35% in 2″ 217 95
Stainless Steel 321 Flanges S32100 75 30 40% in 2″ 183 88
Stainless Steel 347 Flanges S34700 75 30 40% in 2″ 183 88

Manufacturing Process Of Stainless Steel Flanges


Manufacturing Process Of Stainless Steel Flanges

ASTM/ASME Group 2-2.3 Materials


Designation Type Of Forgings Type Of Cast Type Of Plates
16Cr 12Ni 2Mo ASTM A182
Grade F316L
... A240
Grade 316L
18Cr 13Ni 3Mo ASTM A182
Grade F317L
... ...
18Cr 8Ni ASTM A182
Grade F304L (1)
... ASTM A240
Grade 304L (1)

ASTM/ASME Group 2-2.3 Materials Pressure-Temperature Ratings


Working pressure by (Class), BAR

Temperature In (°C)Class 150Class 300Class 400Class 600Class 900Class 1500Class 2500
-29 TO 3815.941.455.282.7124.1206.8344.7
5015.34053.480120.1200.1333.5
10013.334.846.469.6104.4173.9289.9
1501231.441.962.894.2157261.6
20011.229.238.958.387.5145.8243
25010.527.536.654.982.4137.3228.9
3001026.134.852.178.2130.3217.2
3259.325.5345176.4127.4212.3
3508.425.133.450.175.2125.4208.9
3757.424.83349.574.3123.8206.3
4006.524.332.448.672.9121.5202.5
4255.523.931.847.771.6119.3198.8
4504.623.431.246.870.2117.1195.1