|
C
|
Si
|
MN
|
P
|
S
|
CR
|
Seg
|
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
|