|
C
|
SI
|
MN
|
P
|
S
|
CR
|
MA
|
Cu
|
Ni
|
ASTM A106 A
|
≤0.25
|
≥0.10
|
0.27-0.93
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
ASTM A106B
|
≤0.30
|
≥0.10
|
0.29-1.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
ASTM A106C
|
≤0.35
|
≥0.10
|
0.29-1.06
|
≤0.35
|
≤0.35
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|