| 
 標準  | 
 牌號  | 
 化學成分(%)  | 
 機械性能  | ||||||||||
| 
 C  | 
 Si  | 
 Mn  | 
 P  | 
 S  | 
 Cu  | 
 Ni  | 
 Mo  | 
 Cr  | 
 V  | 
 抗拉強度Mpa  | 
 屈服強度Mpa  | ||
| 
 ASTM  | 
 A  | 
 ≤0.25  | 
 -  | 
 ≤0.95  | 
 ≤0.05  | 
 ≤0.06  | 
 ≤0.40  | 
 ≤0.40  | 
 ≤0.15  | 
 ≤0.40  | 
 ≤0.08  | 
 ≥330  | 
 ≥205  | 
| 
 A53  | 
 B  | 
 ≤0.30  | 
 -  | 
 ≤1.20  | 
 ≤0.05  | 
 ≤0.06  | 
 ≤0.40  | 
 ≤0.40  | 
 ≤0.15  | 
 ≤0.40  | 
 ≤0.08  | 
 ≥415  | 
 ≥240  | 
| 
 ASTM  | 
 B  | 
 ≤0.30  | 
 ≤0.10  | 
 0.29-1.06  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.40  | 
 ≤0.40  | 
 ≤0.15  | 
 ≤0.40  | 
 ≤0.08  | 
 ≥415  | 
 ≥240  |