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Stainless Steel Pipe ASTM A312

Product Description

Type: Stainless Steel Pipes Certification: ISO, SGS, AISI, ASTM Origin: China Standard: ASTM, AISI Shape: Round Stainless Steel Pipe ASTM A312
Standard: ASTM A312/ASME SA312
Material: 304, 304L, 304H, 310S, 316, 316L, 316H, 316Ti, 321, 321H, 347, 347H
Size: OD(6-1016mm) X WT(1-50mm)
Application: Used in Pipeline for transporting corrosive fluid.

Inspection items:
1, Chemical Composition
2, Size
3, Mechanical Properties
4, Flattening Test
5, Hydrostatic Test or Eddy current test or Ultrasonic test
6, Surface quality, straightness

Negotiated items:
1, Erosion test
2, Intercrystalline corrosion
3, Stabilization heat treatment.
 
NPS ASTM A312  OD Tolerance
+ -
inch mm inch mm
1/8~11/2 1/64(0.015) 0.4 1/32(0.031) 0.8
>11/2~4 1/32(0.031) 0.8 1/32(0.031) 0.8
>4~8 1/16(0.062) 1.6 1/32(0.031) 0.8
>8~18 3/32(0.093) 2.4 1/32(0.031) 0.8
>18~26 1/8(0.125) 3.2 1/32(0.031) 0.8
>26~34 5/32(0.156) 4.0 1/32(0.031) 0.8
>34~48 3/16(0.187) 4.8 1/32(0.031) 0.8
 
NPS ASTM A312  WT Tolerance ,%
+ -
1/8-2 1 /2 20.0 12.5
3~18,t/D≤5% 22.5 12.5
3~18,t/D>5% 15.0 12.5
≥20, welded 17.5 12.5
≥20, seamless,t/D≤5% 22.5 12.5
≥20,seamless,t/D>5% 15.0 12.5
 
Material ASTM A312 Chemical Composition % Max
C Mn P S Si Cr Ni Mo N B Nb Ti
TP304 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 ^ ^ ^. ^
TP304H 0.04-0.10 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 ^ ^ ^ ^
TP304L 0.035 D 2.00 0.045 0.030 1.00 18.0-20.0 8.0-13.0 ^ ^ ^ ^
TP310S 0.08 2.00 0.045 0.030 1.00 24.0-26.0 19.0-22.0 0.75
 

 

 
TP316 0.08 2.00 0.045 0.030 1.00 16.0-18.0 11.0-14.0 2.00-3.00 ^ ^ ^
TP316L 0.035 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00-3.00 ^ ^ ^
TP316H 0.04-0.10 2.00 0.045 0.030 1.00 16.0-18.0 11.0-14.0 2.00-3.00 ^ ^ ^
TP316Ti 0.08 2.00 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.00-3.00 0.10 ^ 5x(C+N)-0.70
TP321 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 ^ 0.10 ^ 5C -0.70
TP321H 0.04-0.10 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 ^ ^ ^ 4C -0.60
TP347 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-13.0
 

 
10xC-1.00 ^
TP347H 0.04-0.10 2.00 0.045 0.030 1.00 17.0-19.0 9.0-13.0 ^ ^ 8xC-1.00 ^
 
  ASTM A312  Mechanical Properties  
Material Heat
Treatment
Temperure
Min.
F(C)
Tensile Strength
Ksi (MPa), Min.
Yield Strength
Ksi (MPa), Min.
Elongation%, Min  
 
TP304 Solution 1900 (1040) 75(515) 30(205) 35  
TP304L Solution 1900 (1040) 70(485) 25(170) 35  
TP304H Solution 1900 (1040) 75(515) 30(205) 35  
TP310S Solution 1900 (1040) 75(515) 30(205) 35  
TP316 Solution 1900(1040) 75(515) 30(205) 35  
TP316L Solution 1900(1040) 70(485) 25(170) 35  
TP316H Solution 1900(1040) 75(515) 30(205) 35  
TP316Ti Solution 1900(1040) 75(515) 30(205) 35  
TP321 Solution 1900(1040) 75(515) 30(205) 35  
TP321H Solution Cold: 2000(1100)
Hot:1925(1050)
75(515) 30(205) 35  
TP347 Solution 1900(1040) 75(515) 30(205) 35  
TP347H Solution Cold: 2000(1100)
Hot: 1925(1050)
75(515) 30(205) 35  


Stainless Steel Pipe ASTM A312


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Stainless Steel Pipe ASTM A312
 

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