API 5L ASTM A106 Gr. B Schedule 40 Hot Rolled Cold Drawn Seamless Steel Pipe
| Standard | DIN2391, EN10305, DIN17175,JIS G3445, ASTM A519, GB/T 8713 etc |
| Material | ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C etc |
| Outer diameter | 20mm-480mm |
| Wall thickness | 3mm-25mm |
| Length | 1-12m, random or fixed, as the clients' requests |
| Technology | High precision Cold drawn/ Cold rolled |
| Heat treatment | BK/BKS/NBK |
| Advantages | 1.Short delivery time |
| 2.Quality assurance | |
| 3.Competitive price | |
| 4.Superior Service |
Chemical composition of Materials
| Steel Grade | C | Si | Mn | P≤ | S≤ | Cu≤ | Ni≤ | Cr≤ | Mo≤ | V≤ |
| ASTM A106 B | ≤0.3 | / | ≤1.2 | 0.05 | 0.06 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| ST35 | ≤0.18 | 0.15-0.35 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| ST45 | ≤0.25 | 0.15-0.35 | 0.5-0.8 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| ST52 | ≤0.2 | ≤0.55 | ≤1.5 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
| CK45 | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | / | / |
Mechanical Properties
| Steel Grade | Rm MPa | ReH Mpa |
| ST45 | ≥520 | ≥375 |
| ST52(E355) | ≥600 | ≥520 |
| SAE1026 | ≥600 | ≥510 |
| 16Mn | ≥600 | ≥520 |
| 20# | ≥520 | ≥375 |
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