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  | 
 標準  | 
 牌號  | 
 抗拉強度(MPA)  | 
 屈服強度(MPA)  | 
 伸長率(%)  | 
| 
 ASTMA210 
ASME SA210  | 
 A1  | 
 ≥415  | 
 ≥255  | 
 ≥30  | 
| 
 C  | 
 ≥485  | 
 ≥275  | 
 ≥30  | 
| 
 標準  | 
 牌號  | 
 化學成分  | |||||||||
| 
 C  | 
 Si  | 
 Mn  | 
 P  | 
 S  | 
 Cr  | 
 Mo  | 
 Cu  | 
 Ni  | 
 V  | ||
| 
 ASTM A210 
ASME SA210  | 
 A210C  | 
 ≤0.35  | 
 ≥0.10  | 
 0.29~1.06  | 
 ≤0.035  | 
 ≤0.035  | 
 /  | 
 /  | 
 /  | 
 /  | 
 /  | 
| 
 A210A 1  | 
 ≤0.27  | 
 ≥0.10  | 
 ≤0.93  | 
 ≤ 0.035  | 
 ≤0.035  | 
 /  | 
 /  | 
 /  | 
 /  | 
 | |
| 
 鋼管種類  | 
 外徑(D)  | 
 壁厚(S)  | ||
| 
 外徑尺寸(mm)  | 
 允許偏差(mm)  | 
 外徑尺寸(mm)  | 
 允許偏差(mm)  | |
| 
 熱軋管  | 
 ≤101.6  | 
 +0.4~-0.8  | 
 76~168.3  | 
 +28%~0  | 
| 
 >101.6~168.3  | 
 +0.4~-1.2  | |||
| 
 冷拔管  | 
 <25.4  | 
 +0.10  | 
 ≤38.1  | 
 +20%~0  | 
| 
 25.4~38.1  | 
 +0.15  | |||
| 
 >38.1~<50.8  | 
 +0.20  | 
 >38.1  | 
 +22%~0  | |
| 
 50.8~<63.5  | 
 +0.25  | |||
| 
 63.5~<76.2  | 
 +0.30  | |||
| 
 76.2~101.6  | 
 +0.38  | |||
| 
 >101.6~190.5  | 
 +0.38~-0.64  | |||
| 
 >190.5~228.6  | 
 +0.38~-1.14  | |||
						
  | ||