+91-22-67521137
Vishal Steel India

Contact Person

Gautam Mehta

+91-22-23898841

Factory Address:

Plot No. 749/77/5, G.I.D.C. Estate, Makarpura, Vadodara -390010.

Alloy Steel Flanges manufacturer in India

Exporter of ASTM A182 Forged Flanges, check Chrome Moly Flanges Price in Mumbai


Alloy Steel Flanges

Table Of Content:



Alloy Steel Flanges Specification


Specification Chart Alloy Steel Flanges
List Of Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180.
Standard And Dimensions DIN 2501/ DIN 2527/ JIS/ ISO/ P235GH/ API/ EN 1092-2/ EN/ BS/ DIN 2561/ EN 1092-1
Manufacturer Types Of AS Flange Slip On/ Threaded/ Reducing/ Weld Neck/ Socket Weld/ Blind/ Lap Joint
Chemical Composition Of Alloy Steel Forged Flanges Silicon [Si] (0.15-0.35), Carbon [C] (0.28), Manganese [Mn] (0.60-0.90) Phosphorus [P] (0.045), Sulfur [S] (0.045) etc.
Hardness Of ASTM A182 Flanges 143-192
Methods Forging
Casting
Rolling
Cutting
Available Size NPS 1⁄₂" To 16” Manufacturer In India
Face Type Raised Face
Flat Face
Ring Type Joint
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
Manufacturer of Forged/ Threaded/ Screwed / Plate
Most common types of Alloy Steel 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)
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 Alloy Steel Flanges manufacturer in India
  • Alloy Steel Forged Flanges Material have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • Chrome Moly Flanges are suitable for harsh conditions.
  • Buy from ASTM A182 Flanges manufacturers in India for factory price
  • A largest Manufacturer, Source, Stock, Stockholder, Traders, Wholesaler, Distributor, Suppliers, Dealer, Distributor, Importer, Exporter, Fabricator & Stockist of Alloy Steel Slip On Flange in Asia & Middle East.

Before You Buy From India Check Is Supplier Already Supplied In Your Country Or Not:


Alloy Steel Forged Flanges

Alloy Steel Forged Flanges

Saudi Arabia (KSA), Dubai, Hong Kong, China.
Chrome Moly Flanges

Chrome Moly Flanges

Germany, Oman, Malaysia, Poland, Qatar.
Low Alloy Steel Flanges

Low Alloy Steel Flanges

Iran, Brazil, United Arab Emirates (UAE).

ASTM A182 Material Equivalent


ASTM A182 Material Equivalent

Chrome Moly Alloy Flanges Benefits


Chrome Moly Alloy Flanges Benefits

SA 182 Chemical Composition


PROPERTIES Of ALLOY STEEL FLANGES LOW ALLOY STEEL FLANGES MEDIUM ALLOY STEEL FLANGES
ASTM A182 F11 Flange (CL2) ASTM A182 F22 Flange (CL3) ASTM A182 F5 Flange ASTM A182 F9 Flange
CARBON 0.10-0.20 0.05-0.15 0.15 (MAXIMUM) 0.15 (MAXIMUM)
MANGANESE 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60
PHOSPHORUS (MAXIMUM) 0.04 0.04 0.03 0.03
SULFUR (MAXIMUM) 0.04 0.04 0.03 0.03
SILICON 0.50-1.00 0.50 (MAXIMUM) 0.50 (MAXIMUM) 0.50-1.00
NICKEL (MAXIMUM) – – 0.5 –
CHROMIUM 1.00-1.50 2.00-2.50 4.00-6.00 8.0-10.0
MOLYBDENUM 0.44-0.65 0.87-1.13 0.44-0.65 0.90-1.10
OPPER MA – – – –
COLUMBIUM (MAXIMUM) – – – –
VANADIUM (MAXIMUM) – – – –

Vishal Steel Forging Factory In India:


Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India

ASTM A182 Mechanical Properties


Element Of Alloy Steel Forged Flanges Low alloy steel flanges Medium alloy steel flanges
ASTM A182 F11 Flange (CL2) ASTM A182 F22 Flange (CL3) ASTM A182 F5 Flange ASTM A182 F9 Flange
TENSILE PROPERTIES PSI (MPA) 70,000 (485) 75,000 (515) 70,000 (485) 85,000 (585)
HARDNESS (HB) (MAXIMUM)* 143 ~ 207 156 ~ 207 143 ~ 217 179 ~ 217
YIELD PROPERTIES PSI (MINIMUM) 40,000 (275) 45,000 (310) 40,000 (275) 55,000 (380)
ELONGATION 2” % (MINIMUM) 20 20 20 20
REDUCTION AREA % (MINIMUM) 30 30 35 40

Alloy Steel Forged Flanges Dimensions


Alloy Steel Forged 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

List Of Machinery Available Our Factory In Mumbai, India


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

Alloy Steel Flanges Grades


ASTM A182 F1 Flange

ASTM A182 F1 Flange

ASTM A182 F5 Flange

ASTM A182 F5 Flange

ASTM A182 F9 Flange

ASTM A182 F9 Flange

ASTM A182 F11 Flange

ASTM A182 F11 Flange

ASTM A182 F22 Flange

ASTM A182 F22 Flange

ASTM A182 F91 Flange

ASTM A182 F91 Flange

ASTM A182 F92 Flange

ASTM A182 F92 Flange

ASTM A707 L3 CL3 Flanges

ASTM A707 L3 CL3 Flanges

13CrMo4-5 Flanges

13CrMo4-5 Flanges

15CrMo Flanges

15CrMo Flanges

16Mo3 Flanges

16Mo3 Flanges

20Mn5 Steel Flange

20Mn5 Steel Flange

Chrome Moly Flanges Grades


List Of Trade Name Grade Name UNS Number
1 1/4 Chrome ASTM A182 F11 Flange Class 1 K11597
1 1/4 Chrome ASTM A182 F11 Flange Class 2 K11572
1 1/4 Chrome ASTM A182 F11 Flange Class 3 K11572
2 1/4 Chrome ASTM A182 F22 Flange Class 1 K21590
2 1/4 Chrome ASTM A182 F22 Flange Class 3 K21590
5 Chrome ASTM A182 F5 Flange K41545
9 Chrome ASTM A182 F9 Flange K90941
F91 ASTM A182 F91 Flange K90901
F92 ASTM A182 F92 Flange K92460

High Alloy Steel Flanges Packaging


High Alloy Steel Flanges Packaging
High Alloy Steel Flanges Packaging

Alloy Steel Slip On Flange Dimensions


Alloy Steel Slip On Flange Dimensions
Normal Size Of Steel Pipe(Inner Daimeter)(Outer Diameter)(Bolts Circle)Raised
(R)		 Raised Face (RF)Hight For (H)Raised Face WTThick1FF (Flat Face)
(Thick2)		B.C. For
(Bolts Holes)		B.H. Number
(Bolt Hole)
1/20.883.502.381.38.0631.19.62.38.56.624
3/41.093.882.751.69.0631.50.62.44.56.624
11.364.253.122.00.0631.94.69.50.63.624
1-1/41.704.623.502.50.0632.31.81.56.75.624
1-1/21.975.003.882.88.0632.56.88.62.82.624
22.446.004.753.62.0633.061.00.69.94.754
2-1/22.947.005.504.12.0633.561.12.821.06.754
33.577.506.005.00.0634.251.19.881.13.754
3-1/24.078.507.005.50.0634.811.25.881.19.758
44.579.007.506.19.0635.311.31.881.25.758
55.6610.008.507.31.0636.441.44.881.38.888
66.7211.009.508.50.0637.561.56.941.50.888
88.7213.5011.7510.62.0639.691.751.061.69.888
1010.8816.0014.2512.75.06312.001.941.131.881.0012
1212.8819.0017.0015.00.06314.382.191.192.131.0012
1414.1421.0018.7516.25.06315.752.251.322.191.1212
1616.1623.5021.2518.50.06318.002.501.382.441.1216
1818.1825.0022.7521.00.06319.882.691.502.631.2516
2020.2027.5025.0023.00.06322.002.881.632.831.2520
2222.2229.5027.2525.25.06324.253.131.753.071.3820
2424.2532.0029.5027.25.06326.123.251.823.191.3820

Alloy Steel Slip On Flange and Weld Neck Flange manufacturer offers Class 150 to 2500 pressure rating, call us for a free quote


ASTM A182 Flange Pressure Rating


maximum pressure for Alloy Steel flanges in PSI

ASME/ANSI B16.5ASME ALLOY STEEL FLANGES PRESSURE RATING
Temp (°F)(Class 150)(Class 300)(Class 400)(Class 600)(Class 900)(Class 1500)(Class 2500)
-20 to 1002656959251390208534705785
2002606809051360203533955660
3002306558701305195532605435
4002006408551280192032005330
5001706208301245186531055180
6001406058051210181530255040
6501255907851175176529404905
7001105707551135170528404730
750955307101065159526604430
800805106751015152525404230
85065485650975146024354060
90050450600900135022453745
9503528037556084514052345
1000201652203304958251370

Alloy Steel Flanges Price List


Type Of FlangeSize In Inch SCHClass GradePrice In INR (India) Per Piece
Weld Neck Flange2STD150-280.00
-4STD300-546.00
-680300-757.00
-880300-1190.00
Weld Neck1080300-1789.00
Slip On Flange240150-160.00
-340150-250.00
-480300-400.00
-680300-690.00
Slip On880300ASTM A182 F111168.00
Blind Flange3/440150ASTM A82 F11100.00
-140150-150.00
-1-1/240150-228.00
-240150-350.00
Blind440150-410.00

Our Clients

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Manufacturer of Low Alloy Steel Socket Weld Flange and Lap Joint Flanges in FF-Flat Face, RF-Raised face, RTJ, Tongue and Groove


Alloy Steel Lap Joint Flange 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
1¼333333
1½ 333344
2 555556
2½ 8888710
3 9999911.5
3½ 111211111312
4 131313131716.5
5 151515152021
6 191919192726
8 303030304742
10 434343437054
12 6464646412388
14 909090105140114
16 1069898140180140
18 130130130160220165
20 165165165195285197
22 185185185245355225
24 220220220275430268

Gaskets For Alloy 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

Alloy Steel Forged Flanges Forging Process



Alloy Steel Forged Flanges Forging Process

Alloy Steel Thread Flange Marking


Alloy Steel Thread Flange Marking
  • size
  • item
  • specification and number
  • pressure rating, with unit
  • OD
  • WT, with unit
  • bore when applicable
  • std schedule when applicable,
  • material specification
  • 2"
  • FLANGE
  • THRF
  • ASME B16.5 #150
  • 6" OD x 0.250"
  • 152.4 Unit
  • Bore 15.500"
  • SCH 40
  • ASTM A182 F11

ASTM A182 Flanges Face Types


ASTM A182 Flanges Face Types

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

Chrome Moly 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-
18180.250.3120.4380.3750.5620.750.50.9381.1561.3751.5621.781-
20200.250.3750.50.3750.5940.8120.51.0311.2811.51.751.969-
22220.25--0.375--0.5------
24240.250.3750.5620.3750.6880.9690.51.2191.5311.8122.0622.344-
2626---0.375--0.5------
30300.3120.50.6250.375--0.5------

Why To Pay Extra If You Have Choice To Get Exact Sizes And Schedule In EN 1092-2 Alloy Steel Pipe Flanges and Alloy Steel Flanges manufacturer in India.


Chromoly Flanges Design Features


Chromoly Flanges Design Features

Alloy Steel Weld Neck Flange Dimensions


Alloy Steel Weld Neck Flange Dimensions
Normal Size Of Steel Pipe in InchesNormal Size Of Steel Pipe in Millimeter(O.D.) Outer Diameter Weld Neck ThicknessHub O.D.Weld Neck ODWelding Neck Length WNRF Bore DaimeterRF Diameter RF HeightPCDFace Of Weld
(A)(B)(C)(D)(E)(F)(G)(H)(I)(J)
1/215909.63021.346-34.9260.31.6
3/42010011.23826.75142.9269.91.6
12511012.74933.45450.8279.41.6
1 1/43211514.35942.25663.5288.91.6
1 1/24012515.96548.36073298.41.6
25015017.57860.36292.12120.71.6
2 1/26518020.7907368104.82139.71.6
38019022.310888.9681272152.41.6
3 1/29021522.3122101.670139.72177.81.6
410023022.3135114.375157.22190.51.6
512525522.3164141.387185.72215.91.6
615028023.9192168.387215.92241.31.6
820034527246219.1100269.92298.51.6
1025040528.6305273100323.823621.6
1230048530.2365323.81133812431.81.6
1435053533.4400355.6125412.82476.31.6
1640059535457406.4125469.92539.81.6
1845063538.1505457.2138533.42577.91.6
2050070041.3559508143584.226351.6
2460081546.1663610151692.22749.31.6

Standard Of Low Alloy Steel Flanges


Standard Of Low Alloy Steel Flanges
  • BS 4504
  • ASME B16.5
  • EN 1092-1
  • ANSI B16.5
  • MSS SP-44
  • EN 1092-2 PN16
  • DIN
  • AWWA C207
  • JIS
  • ISO

Hs Code Of Alloy Steel Flange


Product Description Hs Code
Alloy Steel Flanges 73072100

Alloy Steel Socket Weld Flange Sizes Chart


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

Global Client Reference list & delivery schedule of Alloy Steel Flanges


Location Days Clients
India 7
  • Indian oil corporation, India
  • L&T India
  • Essar India
  • BHEL India
  • NTPC India
  • WIPRO India
Malaysia 15
  • Saag Oil & Gas Sdn Bhd (Malaysia), Block C1, Petaling Jaya, Malaysia, 19-5, 47301 Petaling Jaya, Selangor, Malaysia
  • Malaysian Oil & Gas Services Council, Malaysia, Persiaran Petronas, Kuala Lumpur City Centre, 50088 Kuala Lumpur, Malaysia
  • Synergy Oil & Gas Engineering Sdn Bhd, Malaysia, B-07-02, Skypark @, Jalan USJ 25/1, One City, 47600 Subang Jaya, Selangor, Malaysia
  • Hablem Oil & Gas (M) Sdn Bhd, Malaysia, Lot K-7162 (Ground Floor), Bandar Seri Kerteh, 24300 Kerteh, Terengganu, Malaysia
United Arab Emirates (UAE) 15
  • Hexa Oil & Gas, UAE, Abu Dhabi - United Arab Emirates (UAE)
  • Al Masaood Oil & Gas, UAE, Abu Dhabi - United Arab Emirates (UAE)
Dubai 15
  • SPEC Oil & Gas FZCO- Dubai, Sheikh Mohammad Bin Zayed Rd - Dubai - United Arab Emirates (UAE)
  • Dragon Oil LLC -Dubai, Umm Al Hurair 2, Building 16, Executive Office Building- Dubai, UAE
  • Lazer Clean Middle East L.L.C, Dubai - United Arab Emirates (UAE)
  • Esterpol DIP, Dubai Investments Park 2 - Dubai - United Arab Emirates (UAE)
Indonesia 20
  • Pacific Oil & Gas Indonesia. PT- Indonesia, RT.14/RW.20, Kebon Melati, Central Jakarta City, Jakarta 10230, Indonesia
  • GE Oil & Gas- Indonesia, Batu Ampar, Batam City, Riau Islands 29444, Indonesia
  • Medco E&P Indonesia TUGU- Indonesia, Jawa Barat 16750, Indonesia
  • Mubadala Petroleum - Indonesia, DKI Jakarta, Daerah Khusus Ibukota Jakarta 12310, Indonesia
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

Alloy Steel Lap Joint Flanges Tolerance


Type Of Alloy Flanges 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)

Manufacturing Alloy Steel Forged Flanges in various types and sizes, we offer AS Plate Flange for low, medium and high temperature

Type Of ASTM A182 Alloy Steel Flange


Alloy Steel Forged Flanges

Alloy Steel Forged Flanges

Chrome Moly Flanges

Chrome Moly Flanges

ASTM A182 Flanges

ASTM A182 Flanges

Low Alloy Steel Flanges

Low Alloy Steel Flanges

Alloy Steel Plate Flange

Alloy Steel Plate Flange

Chromoly Flanges

Chromoly Flanges

Alloy Steel Socket Weld Flanges

Alloy Steel Socket Weld Flange

Alloy Steel Plate Flanges

Alloy Steel Plate Flange

Alloy Steel Lap Joint Flanges

Alloy Steel Lap Joint Flange

Alloy Steel Blind Flanges

Alloy Steel Blind Flange

Alloy Steel Slip On Flanges

Alloy Steel Slip On Flange

Alloy Steel Weld Neck Flanges

Alloy Steel Weld Neck Flange

Alloy Steel Spectacle Blind Flange

Alloy Steel Spectacle Blind Flange

Alloy Steel Orifice Flanges

Alloy Steel Orifice Flanges

Alloy Steel Puddle Flange

Alloy Steel Puddle Flange

Alloy Steel Threaded Flanges

Alloy Steel Threaded Flange

Alloy Steel Raised Face Flanges

Alloy Steel Raised Face Flange

Alloy Steel RTJ Flanges

Alloy Steel RTJ Flange


Alloy Steel Threaded Flange Bolt Chart


Alloy Steel Threaded Flange Bolt Chart

Alloy Steel Plate Flange Torque Values


Pipe Flange Size InchPipe 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

ANSI/ ASME B16.5, MSS SP-44 Alloy Steel Orifice Flange, Reducing and Chromoly spectacle blind flanges manufacturer in India

Alloy Steel Blind Flange Dimensions


Alloy Steel Blind Flange Dimensions
NPS For (Normal Size Of Steel Pipe)Outer Diameter Of
(A)		WT Of (B)
RF Diameter Of
(C)		(D)
(Bolts Circle Diameter)		# Pipe Flange Bolts
Holes (B.H.)		Bolt Holes Diameter
Flanges Weight In Kilogram (KG)
1/2"3-1/27/161-3/82-3/845/82
3/4"3-7/81/21-11/162-3/445/82
1"4-1/49/1623-1/845/82
1-1/4"4-5/85/82-1/23-1/245/83
1-1/2"511/162-7/83-7/845/83
2"63/43-5/84-3/443/44
2-1/2"77/84-1/85-1/243/47
3"7-1/215/165643/49
3-1/2"8-1/215/165-1/2783/413
4"915/166-3/167-1/283/417
5"1015/167-5/168-1/287/820
6"1118-1/29-1/287/827
8"13-1/21-1/810-5/811-3/487/847
10"161-3/1612-3/414-1/412167
12"191-1/41517121123
14"211-3/816-1/418-3/4121-1/8139
16"23-1/21-7/1618-1/221-1/4161-1/8187
18"251-9/162122-3/4161-1/4217
20"27-1/21-11/162325201-1/4283
24"321-7/827-1/429-1/2201-3/8415

Advantages Of Alloy Steel Pipe Flange


Advantages Of Alloy Steel Pipe Flange

Chromoly Flanges Application


  • Specialty Chemicals
  • Power Generation
  • Condensers
  • Chemical Equipment
  • Gas Processing
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Pharmaceutical Equipment
  • Off-Shore Oil Drilling Companies
  • Petrochemicals
  • Heat Exchangers
  • Pharmaceuticals

Vishal Steel India
Types Of Piping Materials

Vishal Steel India