|
材质 |
执行标准 |
规格 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*55 |
|
20G |
GB5310-1995 |
406*55 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*50 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*40 |
|
20G |
GB5310-1995 |
406*40 |
|
20G |
GB5310-1995 |
406*36 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*36 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*32 |
|
20G |
GB5310-1995 |
406*32 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*22.2 |
|
20G |
GB5310-1995 |
406*22 |
|
20G |
GB5310-1995 |
406*17 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*17 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*13 |
|
20G |
GB5310-1995 |
406*13 |
|
20G |
GB5310-1995 |
406*11 |
|
ST45.8/Ⅲ |
DIN17175-79 |
406*11 |
|
20G |
GB5310-1995 |
406*9.5 |
|
20G |
GB5310-1995 |
377*50 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*50 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*45 |
|
20G |
GB5310-1995 |
377*45 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*40 |
|
20G |
GB5310-1995 |
377*40 |
|
20G |
GB5310-1995 |
377*36 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*36 |
|
20G |
GB5310-1995 |
377*32 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*32 |
|
20G |
GB5310-1995 |
377*25 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*25 |
|
20G |
GB5310-1995 |
377*22 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*22 |
|
20G |
GB5310-1995 |
377*20 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*20 |
|
20G |
GB5310-1995 |
377*18 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*16 |
|
20G |
GB5310-1995 |
377*16 |
|
20G |
GB5310-1995 |
377*15 |
|
ST45.8/Ⅲ |
DIN17175-79 |
377*15 |
|
20G |
GB5310-1995 |
377*14 |
机械性能
|
标准 |
牌号 |
抗拉强度（MPA） |
屈服强度（MPA） |
|
ASTM A106 |
A |
≥330 |
≥205 |
|
B |
≥415 |
≥240 |
|
C |
≥485 |
≥275 |
化学成分
|
标准 |
牌号 |
化学成分 |
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
|
ASTM A106 |
A |
≤0.25 |
≥0.10 |
0.27~0.93 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
|
B |
≤0.30 |
≥0.10 |
0.29～1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
|
C |
≤0.35 |
≥0.10 |
0.29～1.06 |
≤0.35 |
≤0.35 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
注：① 在规定的最大碳含量以下，碳含量每降低0.01%，则允许在规定的最大锰含量之上各增加0.06%的含锰量，但最大不得超过1.35%；
② Cu、Ni、Cr、Mo、V这五种元素之和不得大于1.00%
尺寸公差
|
钢管种类 |
外径（D） |
壁厚（S） |
|
冷拔管 |
外径 |
允许公差 |
壁厚 |
允许公差 |
|
＞30～50 |
+0.3% |
≤25 |
+10% |
|
＞50～325 |
+0.8% |
|
热轧管 |
＞6～168 |
+1.0% |
≤25 |
-10%，+12.5% | | 
