機(jī)械加工用Q345B無縫鋼管∣沈陽機(jī)械加工用外徑114mm無縫鋼管∣Q345B無縫鋼管廠
114*4.5 |
Q345B |
114*5 |
Q345E |
114*6 |
Q345B |
114*8 |
Q345B |
114*12 |
Q345B |
114*14 |
Q345B |
114*20 |
Q345B |
114*25 |
Q345B |
標(biāo)準(zhǔn) |
牌號 |
化學(xué)成分 | |||||||
C |
Si |
Mn |
P、S |
Cu |
Ni |
Mo |
Cr | ||
GB/T8162 |
10 |
0.07~0.14 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.15 |
20 |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 | |
35 |
0.32~0.40 |
0.17~0.37 |
0.50~0.80 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 | |
45 |
0.42~0.50 |
0.17~0.37 |
0.50~0.80 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 | |
16Mn |
0.12~0.20 |
0.20~0.55 |
1.20~1.60 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
≤0.25 |
|