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size
O.D.: 6.0-650.0mm W.T.: 1.0-65mm Length: Max.12000mm
Steel Grade and Chemical Composition(%)
| Standard | Grade | C≤ | Si≤ | Mn | P≤ | S≤ |
| DIN17175 | St35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
| St52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Mechanical Properties
Rm:Tensile Strength(Mpa) ReH:Yield Point(Mpa) A%:Elongation Mpa=N/mm
| Standard | Grade | BK | BKW | BKS | GBK | NBK | |||||||
| Rm≤ | A%≤ | Rm≤ | A%≤ | Rm≤ | ReH≤ | A%≤ | Rm≤ | A%≤ | Rm | ReH≤ | A%≤ | ||
| DIN2391 | St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 | |
| St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 | |
Steel Grade and Chemical Composition(%)
| Standard | Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Al |
| EN10305 | E215 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | ≥0.025 |
| E235 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | / | |
| E355 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | / |
Mechanical Properties For EN10305
Rm:Tensile Strength(Mpa) ReH:Yield Point(Mpa) A%:Elongation Mpa=N/mm
| Grade | Minimum values for the delivery condition(Exclude +N Rm) | |||||||||||
| +C | +LC | +SR | +A | +N | ||||||||
| Rm | A% | Rm | A% | Rm | ReH | A% | Rm | A% | Rm | ReH | A% | |
| E215 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
| E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
| E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
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