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SAE 4130 Blind/ Weld Neck Flange and Chrome Moly Flanges manufacturer in India


AISI 4130 Flange



AISI 4130 Flange Specification


Specification AISI 4130 Flange
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
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"
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Forging Methods Casting/ Forging/ Rolling/ Cutting
Production Technique Forged/ Heat treated and machined
Dimensions And Standard EN 1092-1/ EN 1092-2/ API/ ISO/ JIS/ GOST/ PN
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Most common types of 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)
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
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
Stainless Steel Flanges Manufacturer In India Forged/ Threaded/ Screwed / Plate
  • Price stability can be seen in 4130 Flanges Manufacturers In India
  • AISI 4130 Blind Flange Material have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • 4130 WNRJ Flanges are suitable for harsh conditions.
  • Buy from Chrome Moly Flanges 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.

Chrome Moly Flanges Price List


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Weld Neck Flange 2 STD 150 Chrome Moly 420.00
- 4 STD 300 - 878.00
- 6 80 300 - 1280.00
- 8 80 300 - 1570.00
Weld Neck 10 80 300 Chrome Moly 1790.00
Slip On Flange 2 40 150 - 386.00
- 3 40 150 - 550.00
- 4 40 150 - 790.00
- 6 40 150 - 959.00
Slip On 8 80 300 Chrome Moly 1550.00
Blind Flange 3/4 40 150 - 190.00
- 1 40 150 - 284.00
- 2-1/2 40 150 - 498.00
- 4-1/2 40 150 - 790.00
Blind Flange 6 40 150 Chrome Moly 1190.00

Finding the right 4130 Alloy Steel Slip On Flange manufacturers to meet your project needs? Vishal Steel can produce Chromoly Socket Weld Flange and SAE 4130 Steel Orifice Flanges as per customer's choice and drawing


Type Of SAE 4130 Flange


Chrome Moly Flanges

Chrome Moly Flanges

Chromoly Flanges

Chromoly Flanges

SAE 4130 Flanges

SAE 4130 Flanges

AISI 4130 Blind Flanges

AISI 4130 Blind Flanges

AISI 4130 Weld Neck Flanges

AISI 4130 Weld Neck Flanges

AISI 4130 Slip On Flanges

AISI 4130 Slip On Flanges

AISI 4130 Threaded Flanges

AISI 4130 Threaded Flanges

 4130 Alloy Steel Puddle Flanges

4130 Alloy Steel Puddle Flanges

Chrome Moly RTJ Flanges

Chrome Moly RTJ Flanges

Chromoly Orifice Flanges

Chromoly Orifice Flanges

 SAE 4130 Spectacle Blind Flanges

SAE 4130 Spectacle Blind Flanges

AISI 4130 Steel Plate Flanges

AISI 4130 Steel Plate Flanges

SAE 4130 Steel Reducing Flanges

SAE 4130 Steel Reducing Flanges

 25crmo4 Steel Vanstone Flanges

25crmo4 Steel Vanstone Flanges

UNS G41300 Raised Face Flanges

UNS G41300 Raised Face Flanges

AISI 4130 75k Flanges

AISI 4130 75k Flanges

 AISI 4130 Alloy Steel Flanges

AISI 4130 Alloy Steel Flanges

Chromoly AISI 4130 Flanges

Chromoly AISI 4130 Flanges

25crmo4 1.7218 Flanges

25crmo4 1.7218 Flanges

 AISI 4130 60k Flanges

AISI 4130 60k Flanges

AISI 4130 Chromoly Flanges

AISI 4130 Chromoly Flanges

4130 Low Alloy Steel Flanges

4130 Low Alloy Steel Flanges

 AISI 4130 Alloy Steel (UNS G41300) Flanges

AISI 4130 Alloy Steel (UNS G41300) Flanges

API 6a Flange 4130

API 6a Flange 4130


4130 Steel Flange Heat Treatment


4130 Steel Flange Heat Treatment

SAE 4130 Flange Pressure Rating


(Maximum) Working Pressure2,000 PSI3,000 PSI5,000 PSI10,000 PSI15,000 PSI20,000 PSI
Test Pressure3,000 PSI4,500 PSI7,500 PSI15,000 PSI22,500 PSI30,000 PSI
Product Specification Levels1, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 41, 2, 3 & 4
Temperature Rating Of API 6A Flange 4130K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)K (-60 Deg C)
ToToToToToTo
Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)Y (+345 Deg C)

4130 Alloy Steel Flange Physical Properties


4130 Alloy Steel Flange Physical Properties

AISI 4130 Steel Flange Applications


  • 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

4130 WNRJ Flanges Dimensions


4130 WNRJ Flanges Dimensions

Dimensions of Class 150, 300, 600, 900, 1500, 2500

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
A
303838383843
Diameter
D
909595120120135
Thickness
B
9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Hight465152606073
47.652.658.466.466.479.4
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length
mm
556575110110120

Manufacturer of ANSI B16.5 25crmo4 Spectacle Blind Flange and AISI 4130 Steel Lap Joint Flange provides hydrostatic test pressure & MTR with every delivery


Chromoly Flanges Flange Bolts Chart


Class 150Class 300Class 600
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/16 RFRTJ1/16 RFRTJ1/4 RFRTJ
1/240.502-1/440.502-1/2340.5033
3/440.502-1/240.6333-1/240.633-1/23-1/2
140.502-1/2340.6333-1/240.633-1/23-1/2
1-1/440.502-3/43-1/440.633-1/43-3/440.633-3/43-3/4
1-1/240.502-3/43-1/440.753-1/2440.754-1/44-1/4
240.633-1/43-3/480.633-1/2480.634-1/44-1/4
2-1/240.633-1/2480.7544-1/280.754-3/44-3/4
340.633-1/2480.754-1/44-3/480.7555
3-1/280.633-1/2480.754-1/4580.885-1/25-1/2
480.633-1/2480.754-1/2580.885-3/45-3/4
580.753-3/44-1/480.754-3/45-1/481.006-1/26-1/2
680.7544-1/2120.754-3/45-1/2121.006-3/46-3/4
880.754-1/44-3/4120.885-1/26121.137-1/27-3/4
10120.884-1/25161.006-1/46-3/4161.258-1/28-1/2
12120.884-3/45-1/4161.136-3/47-1/4201.258-3/48-3/4
14121.005-1/45-3/4201.1377-1/2201.389-1/49-1/4
16161.005-1/45-3/4201.257-1/28201.501010
18161.135-3/46-1/4241.257-3/48-1/4201.6310-3/410-3/4
20201.136-1/46-3/4241.2588-3/4241.6311-1/411-1/2
24201.256-3/47-1/4241.50910241.881313-1/4

Class 900Class 1500Class 2500
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/4 RFRTJ1/4 RFRTJ1/4 RFRTJ
1/240.754-1/44-1/440.754-1/44-1/440.754-3/44-3/4
3/440.754-1/24-1/240.754-1/24-1/240.7555
140.885540.885540.885-1/25-1/2
1-1/440.885540.885541.0066
1-1/241.005-1/25-1/241.005-1/25-1/241.136-3/46-3/4
280.885-3/45-3/480.885-3/45-3/481.0077
2-1/281.006-1/46-1/481.006-1/46-1/481.137-3/48
380.885-3/45-3/481.137781.258-3/49
481.136-3/46-3/481.257-3/47-3/481.501010-1/4
581.257-1/27-1/281.509-3/49-3/481.7511-3/412-1/4
6121.137-1/27-3/4121.3810-1/410-1/282.0013-1/214
8121.388-3/48-3/4121.6311-1/211-3/4122.001515-1/2
10161.389-1/49-1/4121.8813-1/413-1/2122.5019-1/420
12201.381010162.0014-3/415-1/4122.7521-1/422
14201.5010-3/411162.251616-3/4
16201.6311-1/411-1/2162.5017-1/218-1/2
18201.8812-3/413-1/4162.7519-1/220-3/4
20202.0013-3/414-1/4163.0021-1/422-1/4
24202.5017-1/418163.5024-1/425-1/2

SAE 4130 Slip On Flange Dimensions


SAE 4130 Slip On Flange Dimensions

CLass15030060090015002500
Diameter
A
3038383838...
Diameter
D
909595120120...
THK
B
9.612.714.322.322.3...
11.214.320.728.728.7...
Diameter
G
35.135.135.135.135.1...
Diameter
K
60.366.766.782.682.6...
Height1421223232...
15.622.628.438.438.4...
Number
L
44444...
Diameter
L
15.915.915.922.222.2...
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/4...
Length
mm
556575110110...

AISI 4130 Equivalent Material


STANDARD WERKSTOFF NR. BS EN UNS JIS
AISI 4130 Flange 1.7218 BS 970 25CrMo4 G41300 JIS G4105

AISI 4130 Alloy Steel Flanges Chemical Composition


Grade Cr Fe Mo P C Mn Si S N Ni
AISI 4130 Flange 0.80-1.10 97.3-98.22 0.15-0.25 0.035 Maximum 0.28-0.33 0.40-0.60 0.15-0.35 0.025 Maximum - 0.50 Maximum

AISI 4130 Chromoly Flanges Mechanical Properties


Element Yield Strength (0.2%Offset) Elongation Density Melting Point Tensile Strength
AISI 4130 Flange 460 MPa 20 % 0.28 2580 560 MPa

25crmo4 Steel Flanges Gaskets


25crmo4 Steel Flanges Gaskets
(Normal Size Of Steel 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

AISI 4130 Steel Socket Weld Flanges Dimensions


AISI 4130 Steel Socket Weld Flanges Dimensions

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
A
303838...38...
Diameter
D
909595...120...
Thickness
B
9.612.714.3...22.3...
11.214.320.7...28.7...
Diameter
G
35.135.135.1...35.1...
Diameter
K
60.366.766.7...82.6...
Height142122...32...
15.622.628.4...38.4...
Number
L
444...4...
Diameter
L
15.915.915.9...22.2...
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/2...3/4...
Length
mm
556575...110...

AISI 4130 UNS G41300 Flange Face Types


AISI 4130 UNS G41300 Flange Face Types

AISI 4130 Blind Flange Dimensions


AISI 4130 Blind Flange Dimensions

Dimensions of Class 150, 300, 600, 900, 1500, 2500

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
D
909595120120135
B9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length
mm
556575110110120

Wall Thickness Of AISI 4130 60k Flanges


NPSOuter Diameter
(O.D)
Minimum Wall Thickness
(T)
(RF) Diameter
(R)
Number of Bolt HolesHoles DiameterBC
(Bolt Circle)
SO Bore Inner Diameter
(SB)
WN Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO Length
(SL)
WN Length
(WL)
123.500.381.3840.622.380.880.621.190.840.561.81
343.880.441.6940.622.751.090.821.501.050.562.00
14.250.502.0040.623.121.361.051.941.320.622.12
1144.620.562.5040.623.501.701.382.311.660.752.19
1125.000.622.8840.623.881.951.612.561.900.812.38
26.000.693.6240.754.752.442.073.062.380.942.44
2127.000.814.1240.755.502.942.473.562.881.062.69
37.500.885.0040.756.003.573.074.253.501.122.69
3128.500.885.5080.757.004.073.554.814.001.192.75
49.000.886.1980.757.504.574.035.314.501.252.94
510.000.887.3180.888.505.665.056.445.561.383.44
611.000.948.5080.889.506.726.077.566.631.503.44
813.501.0610.6280.8811.758.727.989.698.631.693.94
1016.001.1212.75121.0014.2510.8810.0212.0010.751.883.94
1219.001.1915.00121.0017.0012.8812.0014.3812.752.124.44
1421.001.3116.25121.1218.7514.1413.2515.7514.002.194.94
1623.501.3818.50161.1221.2516.1615.2518.0016.002.444.94
1825.001.5021.00161.2522.7518.1817.2519.8818.002.625.44
2027.501.6223.00201.2525.0020.2019.2522.0020.002.815.62
2229.501.7525.25201.3827.2522.2221.2524.2522.003.075.82
2432.001.8127.25201.3829.5024.2523.2526.1224.003.195.94

Class 150/ 300/ 600 Sealing face AISI 4130 UNS G41300 Forged/ Plate Flange and 25crmo4 1.7218 Threaded Flange material manufacturer in India

Chromoly Flanges Dimensions


Chromoly Flanges Dimensions

Manufacturer of AISI 4130 75k Long Weld Neck Flange and 4130 Low Alloy Steel Spectacle Blinds in Female, RJ, Raised, RTJ, Flat, Tongue, Groove, Male face in AS/NZ 4087/ AWWA C207 Class D standards

Production Process Of AISI 4130 Chromoly Flanges


Production Process Of AISI 4130 Chromoly Flanges

Size Of 25crmo4 1.7218 Flanges


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


AISI 4130 Chromoly Flange Thermal Properties


Properties Imperial Metric
Thermal conductivity (100°C) 296 BTU in/hr.ft2. °F 42.7 W/mK