ASTM A106 belongs to the American standard, which contains steel grade: Gr.A; Gr.B; Gr.C. 

ASTM A106 standard specification for seamless carbon steel pipe for high-remperature service.


Size(mm): 

OD(Out Diameter)
W.T(Wall Thickness)
L(Length)
6.0-323
1.0-30.0
max 12000

Dimension Tolerances:

Pipe Type Pipe Sizes Tolerances
Cold Drawn OD≤48.3mm ±0.40mm
OD≥60.3mm ±1%mm
WT ±12.5%

Chemical Composition:

Steel Grade C≤
Mn
P≤
S≤
Si≥
Cr≤
Cu≤
Mo≤
Ni≤
V≤
A 0.25 0.27-0.93 0.035 0.035
0.10 0.40 0.40
0.15 0.40
0.08
B 0.30 0.29-1.06 0.035
0.035

0.10

0.40
0.40
0.15 0.40
0.08
C 0.35 0.29-1.06 0.035
0.035
0.10 0.40
0.40
0.15 0.40
0.08

Mechanical Properties:

Steel Grade
Tensile Strength(Mpa)
Yield Strength(Mpa)
Elongation(%)
Delivery Condition
A ≥330
≥205
20 Annealed
B ≥415
≥240
20 Annealed
C ≥485
≥275
20 Annealed