電 話:0510-83239979
手 機: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
16*3-3.5-4-4.5-5-5.5 |
17*1.5-2-2.5-3-3.5 |
18*1.2-1.5-2-2.5-3-3.5-4-5-6 |
19*1.2-1.5-2-2.5-3-3.5-4 |
20*1.5-2-2.5-3-3.5-4-5-6 |
21*2.5-3-3.5-4-5-6 |
22*1.5-2-2.5-3-3.6-4-4.5-5-6-8 |
24*2.5-4-4.5-5-7 |
25*2-2.2-2.5-3-3.5-4-4.5-5-5.5-6-7 |
27*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-7 |
28*2-2.5-3-3.5-4-4.5-5-6-6.5 |
30-32*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-7-8-10 |
33.4*4.5 |
33.5*3.5 |
34*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-9-10 |
鋼管種類 |
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 |