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Chromoly AISI 4130 Flanges

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ASME B16.5 AISI 4130 Flanges
ASME B16.5 AISI 4130 Flanges
Alloy Steel 4130 60k Blind Flange
Alloy Steel 4130 60k Blind Flange
AS 4130 Forging Pipe Flange
AS 4130 Forging Pipe Flange


AS 4130 Forging Pipe Flange Specification


Specification : AISI 4130 Flanges
Connect Type: LJF, RF, FF, LMF, SMF, RTJ
Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Production Process: Machined, Heat Treated, Forged
Common Types of Flange : Flanges 150 LB WNRF
Class 300 RTJ
600# BLRF
Class 900 SORF
Supporting Flange Material: Flange Bolts, Gasket, Ring Joint
Application: Water Pipeline Industry
Chemical Industry
Nuclear Power Plant
Natural Gas Industry
Oil And Gas Industry
Fabrication Industry
Coating Flange Faces : Zinc Plated, Yellow Transparent, Anti-rust Paint, Cold and Hot Dip Galvanized, Oil Black Paint
Standards: JIS Flanges, ISO Flanges, GOST Flanges, UNI Flanges, AWWA Flanges, MSS SP44 Flanges, ASME B16.38 Flanges, EN-1092 Flanges, BS10 Flanges, DIN Flanges, PN Flanges, ASME B16.5 Flanges, ASME B16.47 (Series A, Series B) Flanges
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Design For Size: EN Flanges, ASA Flanges, ASME Flanges, DIN Flanges, JIS Flanges, ANSI Flanges, BS Flanges, PN Flanges
Flange Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, Electric bevelling machine etc

4130 60k Blind Flange Chemical Composition


AISI Number

C

Mn

P

Max.

S

Max.

Si

Ni

Cr

Mo
AISI 4130
0.28/0.33
0.40/0.60
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
AISI 4137
0.35/0.40
0.70/0.90
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
AISI 4140
0.38/0.43
0.75/1.00
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
AISI 4142
0.40/0.45
0.75/1.00
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
4145
0.43/0.48
0.75/1.00
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
AISI 4147
0.45/0.50
0.75/1.00
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
4150
0.48/0.53
0.75/1.00
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15/0.25
AISI 4161
0.56/0.64
0.75/1.00
0.035
0.040
0.20/0.35
—
0.70/0.90
0.25/0.35
4320
0.17/0.22
0.45/0.65
0.035
0.040
0.20/0.35
1.65/2.00
0.40/0.60
0.20/0.30
AISI 4340
0.38/0.43
0.60/0.80
0.035
0.040
0.20/0.35
1.65/2.00
0.70/0.90
0.20/0.30
4419
0.18/0.23
0.45/0.65
0.035
0.040
0.20/0.35
—
—
0.45/0.60
AISI 4615
0.13/0.18
0.45/0.65
0.035
0.040
0.20/0.35
1.65/2.00
—
0.20/0.30
4620
0.17/0.22
0.45/0.65
0.035
0.040
0.20/0.35
1.65/2.00
—
0.20/0.30
AISI 4621
0.18/0.23
0.70/0.90
0.035
0.040
0.20/0.35
1.65/2.00
—
0.20/0.30
4626
0.24/0.29
0.45/0.65
0.035
0.040
0.20/0.35
0.70/1.00
—
0.15/0.25
AISI 4718
0.16/0.21
0.70/0.90
0.035
0.040
0.20/0.35
0.90/1.20
0.35/0.55
0.30/0.40
4720
0.17/0.22
0.50/0.70
0.035
0.040
0.20/0.35
0.90/1.20
0.35/0.55
0.15/0.25
AISI 4815
0.13/0.18
0.40/0.60
0.035
0.040
0.20/0.35
3.25/3.75
—
0.20/0.30
4817
0.15/0.20
0.40/0.60
0.035
0.040
0.20/0.35
3.25/3.75
—
0.20/0.30
AISI 4820
0.18/0.23
0.50/0.70
0.035
0.040
0.20/0.35
3.25/3.75
—
0.20/0.30
5120
0.17/0.22
0.70/0.90
0.035
0.040
0.20/0.35
—
0.70/0.90
—
AISI 5130
0.28/0.33
0.70/0.90
0.035
0.040
0.20/0.35
—
0.80/1.10
—
5132
0.30/0.35
0.60/0.80
0.035
0.040
0.20/0.35
—
0.75/1.00
—
AISI 5135
0.33/0.38
0.60/0.80
0.035
0.040
0.20/0.35
—
0.80/1.05
—
5140
0.38/0.43
0.70/0.90
0.035
0.040
0.20/0.35
—
0.70/0.90
—
AISI 5145
0.43/0.48
0.70/0.90
0.035
0.040
0.20/0.35
—
0.70/0.90
—
5147
0.46/0.51
0.70/0.95
0.035
0.040
0.20/0.35
—
0.85/1.15
—
AISI 5150
0.48/0.53
0.70/0.90
0.035
0.040
0.20/0.35
—
0.70/0.90
—
5155
0.51/0.59
0.70/0.90
0.035
0.040
0.20/0.35
—
0.70/0.90
—
AISI 6150
0.48/0.53
0.70/0.90
0.035
0.040
0.20/0.35
—
0.80/1.10
0.15 min.
8615
0.13/0.18
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8617
0.15/0.20
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
8620
0.18/0.23
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8622
0.20/0.25
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8625
0.23/0.28
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
8627
0.25/0.30
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8630
0.28/0.33
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
8637
0.35/0.40
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8640
0.38/0.43
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
8642
0.40/0.45
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8645
0.43/0.48
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
AISI 8655
0.51/0.59
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.15/0.25
8720
0.18/0.23
0.70/0.90
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.20/0.30
AISI 8740
0.38/0.43
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.20/0.30
AISI 8822
0.20/0.25
0.75/1.00
0.035
0.040
0.20/0.35
0.40/0.70
0.40/0.60
0.30/0.40
9254
0.51/0.59
0.60/0.80
0.035
0.040
1.20/1.60
0.60/0.80
—
—
AISI 9255
0.51/0.59
0.70/0.95
0.035
0.040
1.80/2.20
—
—
—
9260
0.56/0.64
0.75/1.00
0.035
0.040
1.80/2.20
—
—
—

AIsI 4130 Alloy Steel Flanges Dimensions


NPS Flanges ID
(inch)		 Flanges OD
(inches)
Alloy Steel Class 150 Alloy Steel Class 300 Alloy Steel Class 400 Alloy Steel Class 600 Alloy Steel Class 900
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


4130 Steel Flange Weight Chart


Standard Class Dia. Bolt Circle Dia. No.of Bolts Bolt Size Dia. of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flange Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI A182 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flange PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

Alloy Steel 4130 Pipe Flanges Types


AISI 4130 Reducing Flange

AISI 4130 Reducing Flanges

AISI 4130 Weld Neck Flange

AISI 4130 Weld Neck Flanges

AISI 4130 Blind Flange

AISI 4130 Blind Flanges

AISI 4130 Flat Face Flange

AISI 4130 Flat Face Flanges

AISI 4130 RTJ Flange

AISI 4130 RTJ Flanges

AISI 4130 Raised Face Flange

AISI 4130 Raised Face Flanges

AISI 4130 Socket Weld Flange

AISI 4130 Socket Weld Flanges

AISI 4130 Slip On Flange

AISI 4130 Slip On Flanges

AISI 4130 Orifice Flange

AISI 4130 Orifice Flanges

AISI 4130 Spectacle Flange

AISI 4130 Spectacle Flanges


Annealed Steel 4130 Socket Weld Flange Pressure Rating


Max. 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
API Temperature Rating 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)

Chromoly 4130 Plate Flanges Grade Equivalent


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

SAE 4130 Flange Mechanical Properties


Properties Metric Imperial
Tensile strength, ultimate 560 MPa 81200 psi
Tensile strength, yield 460 MPa 66700 psi
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Bulk modulus (Typical for steel) 140 GPa 20300 ksi
Shear modulus (Typical for steel) 80 GPa 11600 ksi
Poissons ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 21.50% 21.50%
Reduction of area 59.6 59.60%
Hardness, Brinell 217 217
Hardness, Knoop (Converted from Brinell hardness) 240 240
Hardness, Rockwell B (Converted from Brinell hardness) 95 95
Hardness, Rockwell C (Converted from Brinell hardness, value below normal HRC range, for comparison purposes only.) 17 17
Hardness, Vickers (Converted from Brinell hardness) 228 228
Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) 70 70

WERKSTOFF NR. 1.7218 4130 Flanges Physical Properties


Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in³
Melting point 1432°C 2610°F

UNS G41300 Flanges Thermal Properties


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