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20#40#45#Q235ABCDQ345ABCDE
材質(zhì)無縫鋼管和直縫鋼管的化成分和機(jī)械性能Chemical Constituent(化學(xué)成分) % |
||||||||
C |
Si |
Mn |
P |
S |
屈服強(qiáng)度 |
抗拉強(qiáng)度 |
伸長率 |
|
0.17~0.23 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
245 |
410 |
25 |
|
0.37~0.45 |
0.17~0.37 |
0.50~0.80 |
≤0.035 |
≤0.035 |
335 |
570 |
19 |
|
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035% |
355 |
600 |
16 |
|
0.14~0.22 |
0.3 |
0.30~0.65 |
≤0.05 |
≤0.045 |
235 |
375-460 |
26 |
|
0.12~0.20 |
0.3 |
0.30~0.70 |
≤0.045 |
≤0.045 |
235 |
375-460 |
26 |
|
≤0.18 |
0.3 |
0.35~0.80 |
≤0.04 |
≤0.04 |
235 |
375-460 |
26 |
|
≤0.17 |
0.3 |
0.35~0.80 |
≤0.035 |
≤0.035 |
235 |
375-460 |
26 |
|
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.045 |
≤0.045 |
345 |
470-630 |
21 |
|
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.040 |
≤0.040 |
345 |
470-630 |
21 |
|
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.035 |
≤0.035 |
325 |
470-630 |
22 |
|
≤0.18 |
≤0.55 |
1.00-1.60 |
≤0.030 |
≤0.030 |
295 |
470-630 |
22 |
|
≤0.18 |
≤0.55 |
1.00-1.60 |
≤0.025 |
≤0.025 |
275 |
470-630 |
22 |
盤點(diǎn)一下平常主要應(yīng)用的鋼管的材質(zhì)的機(jī)械性能和化學(xué)成分
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