電 話:0510-83239979
手 機(jī):13357925234、13771545693
Q。眩1819121666
郵 箱:1819121666@qq.com
聯(lián)系人:麻經(jīng)理
地 址:無錫市惠山區(qū)西漳工業(yè)園
公稱外徑/mm |
公稱壁厚/mm | ||||
2 |
2.5 |
3 |
3.5 |
4 | |
理論質(zhì)量/(kg/mm) | |||||
19 |
0.838 |
1.02 |
|
|
|
25 |
1.13 |
1.39 |
1.63 |
|
|
32 |
|
1.82 |
2.15 |
2.46 |
|
38 |
|
|
2.59 |
2.98 |
3.35 |
45 |
|
|
3.11 |
3.58 |
4.04 |
57 |
|
|
|
4.62 |
5.23 |
鋼管尺寸/mm |
允許偏差 | ||
電焊鋼管 |
冷拔電焊鋼管 | ||
外徑 |
≤30 |
±0.20mm |
±0.15mm |
>30~50 |
±0.25mm |
±0.20mm | |
>50~57 |
±0.30mm |
±0.25mm | |
壁厚 |
2~3 |
士7.5% |
±7.5% |
>3~4 |
±10% |
±10% |
牌號 |
化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) | |||||||
C |
Si |
Mn |
P |
S |
殘余元素 | |||
Ni |
Cr |
Cu | ||||||
10 |
0.07~0.14 |
0.17~0.37 |
0.35,0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.15 |
≤0.25 |