Price China Seamless Alloy Steel Pipe - Seamless Carbon Steel structure Pipe – Huaxin
Theko ea Wholesale China Seamless Alloy Steel Pipe - Seamless Carbon Steel structure Pipe – Huaxin Detail:
Tlhaloso ea Tlhahiso:
E tloaelehileng: GB/T8162-2008
Kereiti: 20, 45, 20Mn, Q345B, Q345C, Q345D, 45Mn2, 27SiMn
Fana ka Codition: Hot rolling
Boholo Range: OD 73MM-630MM , Botenya 4MM-35MM
Mamello: Ho ea ka GB/T8162-2008
Bolelele: Joalo ka kopo
MTC: GB/T19001-2008
Sebopeho sa Lik'hemik'hale:
| Kereiti | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N | Mo | Als |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0,65 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 | / | / | / |
| 45 | 0.42-0,50 | 0.17-0.37 | 0.50-0,80 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 | / | / | / |
| 20Mn | 0.17-0.23 | 0.07-0.37 | 0.70-1.00 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 | / | / | / |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | / |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
| 45Mn2 | 0.42-0.49 | 0.17-0.37 | 1.40-1,80 | ≤0.035 | ≤0.035 | / | / | / | ≤0.25 | / | ≤0.25 | / | ≤0.25 | / |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | ≤0.035 | ≤0.035 | / | / | / | ≤0.30 | / | ≤0.20 | / | ≤0.30 | / |
Thepa ea Mechini:
| Kereiti | Yeild Strength min Mpa | Matla a tšepe | Elongation | Teko ea Tšusumetso | |||
| T ka mm | Mpa | ||||||
| ≤16 | ＞16 ≤30 | ＞30 | ℃ | Impact/J | |||
| ≥ | |||||||
| 20 | 245 | 235 | 225 | ≥410 | ≥20 | - | - |
| 45 | 335 | 325 | 315 | ≥590 | ≥14 | - | - |
| 20Mn | 275 | 265 | 255 | ≥450 | ≥20 | - | - |
| Q345B | 345 | 325 | 295 | 470-630 | ≥20 | 20 | 34 |
| Q345C | 345 | 325 | 295 | 470-630 | ≥21 | 0 | 34 |
| Q345D | 345 | 325 | 295 | 470-630 | ≥21 | -20 | 34 |
| 45Mn2 | 885 | ≥735 | ≥10 | - | - | ||
| 27SiMn | 980 | ≥835 | ≥12 | - | - | ||
Kopo:
RFQ:
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Q5: Ho thoe'ng ka tšebeletso ea hau ea thepa?
A: Re na le sehlopha sa litsebi sa lisebelisoa se nang le phihlelo e ngata ea ho tsamaisa thepa, se ka fanang ka mohala o tsitsitseng le oa boleng ba sekepe.
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