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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 Pressure 2,000 PSI 3,000 PSI 5,000 PSI 10,000 PSI 15,000 PSI 20,000 PSI
Test Pressure 3,000 PSI 4,500 PSI 7,500 PSI 15,000 PSI 22,500 PSI 30,000 PSI
Product Specification Levels 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4
Temperature Rating Of API 6A Flange 4130 K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C)
To To To To To To
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

CLass CLass 150 CLass 300 CLass 600 CLass 900 CLass 1500 CLass 2500
Diameter
A
30 38 38 38 38 43
Diameter
D
90 95 95 120 120 135
Thickness
B
9.6 12.7 14.3 22.3 22.3 30.2
11.2 14.3 20.7 28.7 28.7 36.6
Diameter
G
35.1 35.1 35.1 35.1 35.1 35.1
Diameter
K
60.3 66.7 66.7 82.6 82.6 88.9
Hight 46 51 52 60 60 73
47.6 52.6 58.4 66.4 66.4 79.4
Number
L
4 4 4 4 4 4
Diameter
L
15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter
(in)
1/2 1/2 1/2 3/4 3/4 3/4
Length
mm
55 65 75 110 110 120

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

CLass 150 300 600 900 1500 2500
Diameter
A
30 38 38 38 38 ...
Diameter
D
90 95 95 120 120 ...
THK
B
9.6 12.7 14.3 22.3 22.3 ...
11.2 14.3 20.7 28.7 28.7 ...
Diameter
G
35.1 35.1 35.1 35.1 35.1 ...
Diameter
K
60.3 66.7 66.7 82.6 82.6 ...
Height 14 21 22 32 32 ...
15.6 22.6 28.4 38.4 38.4 ...
Number
L
4 4 4 4 4 ...
Diameter
L
15.9 15.9 15.9 22.2 22.2 ...
Stud Bolts Diameter x Length
Diameter
(in)
1/2 1/2 1/2 3/4 3/4 ...
Length
mm
55 65 75 110 110 ...

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
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

AISI 4130 Steel Socket Weld Flanges Dimensions


AISI 4130 Steel Socket Weld Flanges Dimensions

CLass CLass 150 CLass 300 CLass 600 CLass 900 CLass 1500 CLass 2500
Diameter
A
30 38 38 ... 38 ...
Diameter
D
90 95 95 ... 120 ...
Thickness
B
9.6 12.7 14.3 ... 22.3 ...
11.2 14.3 20.7 ... 28.7 ...
Diameter
G
35.1 35.1 35.1 ... 35.1 ...
Diameter
K
60.3 66.7 66.7 ... 82.6 ...
Height 14 21 22 ... 32 ...
15.6 22.6 28.4 ... 38.4 ...
Number
L
4 4 4 ... 4 ...
Diameter
L
15.9 15.9 15.9 ... 22.2 ...
Stud Bolts Diameter x Length
Diameter
(in)
1/2 1/2 1/2 ... 3/4 ...
Length
mm
55 65 75 ... 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

CLass CLass 150 CLass 300 CLass 600 CLass 900 CLass 1500 CLass 2500
Diameter
D
90 95 95 120 120 135
B 9.6 12.7 14.3 22.3 22.3 30.2
11.2 14.3 20.7 28.7 28.7 36.6
Diameter
G
35.1 35.1 35.1 35.1 35.1 35.1
Diameter
K
60.3 66.7 66.7 82.6 82.6 88.9
Number
L
4 4 4 4 4 4
Diameter
L
15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter
(in)
1/2 1/2 1/2 3/4 3/4 3/4
Length
mm
55 65 75 110 110 120

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

4130 Alloy Steel Flange Weight


Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 150 Flanges ½  1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
3 3 3 3 3 3
1½  3 3 3 3 4 4
2    5 5 5 5 5 6
2½  8 8 8 8 7 10
3    9 9 9 9 9 11.5
3½  11 12 11 11 13 12
4    13 13 13 13 17 16.5
5    15 15 15 15 20 21
6    19 19 19 19 27 26
8    30 30 30 30 47 42
10    43 43 43 43 70 54
12    64 64 64 64 123 88
14    90 90 90 105 140 114
16    106 98 98 140 180 140
18    130 130 130 160 220 165
20    165 165 165 195 285 197
22    185 185 185 245 355 225
24    220 220 220 275 430 268
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 300 Flanges ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1    3 3 3 3 4 4
4.5 4.5 4 4.5 6 5
1½  6.5 6.5 6 6.5 7 7
2    7 7 7 7 8 9
2½  10 10 10 10 12 12
3    13 14 13 14.5 16 18
3½  17 17 17 17 21 20
4    23.5 24 22 24 28 26.5
5    29 31 28 28 37 36
6    39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 400 Flanges ½  2 2 2 2 2 3
¾ 3 3 3 3 3 3.5
1 3.5 3.5 3.5 3.5 4 4
4.5 4.5 4.5 4.5 6 4.5
1½  6.5 6.5 6.5 6.5 8 8
2    8 8 8 8 10 10
2½  12 12 12 11 15 14
3    15 15 15 14 20 18
3½  21 21 21 20 29 26
4    26 26 26 25 33 35
5    31 31 31 29 44 43
6    44 44 44 42 61 57
8    67 67 67 64 100 89
10    91 91 91 110 155 125
12    130 130 130 152 226 175
14    191 191 191 210 310 233
16    253 253 253 280 398 295
18   nbsp; 310 310 310 345 502 360
20    378 378 378 420 621 445
22    405 405 405 455 720 505
24    539 539 539 615 936 640
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 600 Flanges ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1    4 4 4 4 4 4
5 5 5 5 6 6
1½  7 7 7 7 8 8
2    9 9 9 9 10 12
2½  13 13 13 12 15 18
3    16 16 16 15 20 23
3½  21 21 21 20 29 26
4    37 37 37 36 41 42
5    63 63 63 63 68 68
6    80 80 80 78 86 81
8 115 15 15 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 900 Flanges ½  6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 7.5 7.5 7.5 7.5 9 8.5
10 10 10 10 10 10
1½  14 14 14 14 14 14
2    22 22 22 21 25 24
2½  31 31 31 25 32 31
3    36 36 36 29 35 36
4    53 53 53 51 54 53
5    83 83 83 81 87 86
6    110 110 110 105 115 110
8    172 172 172 190 200 187
10    245 245 245 277 290 268
12    326 326 326 371 415 372
14    400 400 400 415 520 562
16    459 459 459 488 619 685
18    647 647 647 670 880 924
20    792 792 792 868 1107 1164
24    1480 1480 1480 1659 2099 2107
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 1500 Flanges ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1    8 8 8 8 9 9
10 10 10 10 10 10
1½  14 14 14 14 14 14
2    25 25 25 25 25 25
2½  36 36 36 35 35 36
3    48 48 48 47 48 48
4    73 73 73 75 73 73
5    132 132 132 140 140 132
6    165 165 165 170 160 165
8    260 260 260 286 302 275
10 436 436 436 485 510 455
12 667 667 667 749 775 690
14 940 940 940 890 975 940
16 1250 1250 1250 1250 1300 1250
18 1625 1625 1625 1475 1750 1625
20 2050 2050 2050 1775 2225 2050
24 2825 2825 2825 2825 3625 3325
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 2500 Flanges ½  …. 7 …. 7 7 8
¾ …. 9 …. 8 10 9
1 …. 12 …. 12 12 13
…. 18 …. 17 18 20
1½  …. 25 …. 24 25 28
2    …. 38 …. 37 39 42
2½  …. 55 …. 53 56 52
3    …. 83 …. 80 86 94
4    …. 127 …. 122 133 146
5    …. 210 …. 204 223 244
6    …. 323 …. 314 345 378
8    …. 485 …. 471 533 576
10    …. 925 …. 897 1025 1068
12    …. 1300 …. 1262 1464 1608

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