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ASTM A106 Grade B, Standard of ASTM A106 Grade B, seamless carbon steel pipe for high temperature service Specification for ASTM A106 Back Next

Standard Specification for
Seamless Carbon Steel Pipe for High-Temperature Service

Chemical Composition (%)
 
Grade A
Grade B
Grade C
Carbon, max
0.25
0.30
0.35
Manganese
0.27-0.93
0.29-1.06
0.29-1.06
Phosphorus, Sulfur, max
0.035
0.035
0.035
Silicon, min
0.10
0.10
0.10
Chrome, Copper, Nickel, max
0.40
0.40
0.40
Molybdenum, max
0.15
0.15
0.15
Vanadium, max
0.08
0.08
0.08
 
Mechanical Properties
 
Grade A
Grade B
Grade C
Tensile strength, min, (MPa)
330
415
485
Yield strength, min, (MPa)
205
240
275
Elongation, min, (%), L/T
35/25
30/16.5
30/16.5

 

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