您好!歡迎您訪(fǎng)問(wèn)山東百鋼匯金屬材料有限公司的官方網(wǎng)站!
		
  
| 
 鋼管種類(lèi)  | 
 外徑(D)  | 
 鋼管壁厚(S)  | ||
| 
 冷拔管  | 
 鋼管外徑(mm)  | 
 允許偏差(mm)  | 
 鋼管壁厚(mm)  | 
 允許偏差(mm)  | 
| 
 >30~50  | 
 ±0.3  | 
 ≤30  | 
 ±10%  | |
| 
 >50~219  | 
 ±0.8%  | |||
| 
 熱軋管  | 
 >219  | 
 ±1.0%  | 
 >20  | 
 ±10%  | 
| 
 標準  | 
 牌號  | 
 抗拉強度(MPa)  | 
 屈服強度(MPa)  | 
 伸長(cháng)率(%)  | 
| 
 GB/T8162  | 
 10  | 
 ≥335  | 
 ≥205  | 
 ≥24  | 
| 
 20  | 
 ≥390  | 
 ≥245  | 
 ≥20  | |
| 
 35  | 
 ≥510  | 
 ≥305  | 
 ≥17  | |
| 
 45  | 
 ≥590  | 
 ≥335  | 
 ≥14  | |
| 
 Q345  | 
 ≥490  | 
 ≥325  | 
 ≥21  | |
| 
 15CrMo  | 
 ≥440  | 
 ≥295  | 
 ≥22  | |
| 
 12Cr1MoV  | 
 ≥490  | 
 ≥245  | 
 ≥22  | |
| 
 ASTM A53 
ASME SA53  | 
 A  | 
 ≥330  | 
 ≥205  | 
 查看ASTM A53的表 
查看ASME SA53的表  | 
| 
 B  | 
 ≥415  | 
 ≥240  | 
| 
 標準  | 
 牌號  | 
 化學(xué)成分(%)  | |||||||||
| 
 C  | 
 Si  | 
 Mn  | 
 P  | 
 S  | 
 Cu  | 
 Ni  | 
 Mo  | 
 Cr  | 
 V  | ||
| 
 GB/T8162  | 
 10  | 
 0.07~0.14  | 
 0.17~0.37  | 
 0.35~0.65  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.25  | 
 /  | 
 ≤0.15  | 
 /  | 
| 
 20  | 
 0.17~0.24  | 
 0.17~0.37  | 
 0.35~0.65  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.25  | 
 /  | 
 ≤0.25  | 
 /  | |
| 
 35  | 
 0.32~0.40  | 
 0.17~0.37  | 
 0.50~0.80  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.25  | 
 /  | 
 ≤0.25  | 
 /  | |
| 
 45  | 
 0.42~0.50  | 
 0.17~0.37  | 
 0.50~0.80  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.25  | 
 /  | 
 ≤0.25  | 
 /  | |
| 
 Q345  | 
 0.12~0.20  | 
 0.20~0.55  | 
 1.20~1.60  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.25  | 
 /  | 
 ≤0.25  | 
 /  | |
| 
 15CrMo  | 
 0.12~0.18  | 
 0.17~0.37  | 
 0.40~0.70  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.30  | 
 0.40~0.55  | 
 0.80~1.10  | 
 /  | |
| 
 12Cr1MoV  | 
 0.08~0.15  | 
 0.17~0.37  | 
 0.40~0.70  | 
 ≤0.035  | 
 ≤0.035  | 
 ≤0.25  | 
 ≤0.30  | 
 0.25~0.35  | 
 0.90~1.20  | 
 0.15~0.30  | |
| 
 ASTMA53 
ASMESA53  | 
 A  | 
 ≤0.25  | 
 /  | 
 ≤0.95  | 
 ≤0.05  | 
 ≤0.06  | 
 ≤0.40  | 
 ≤0.40  | 
 ≤0.15  | 
 ≤0.40  | 
 ≤0.08  | 
| 
 B  | 
 ≤0.30  | 
 /  | 
 ≤1.20  | 
 ≤0.05  | 
 ≤0.06  | 
 ≤0.40  | 
 ≤0.40  | 
 ≤0.15  | 
 ≤0.40  | 
 ≤0.08  | |
						
  | ||
