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EN10216-1/DIN1629 Seamless Steel Tubes
Standard: DIN1629/EN10216-1
Seamless steel tubes for pressure purposes—Technical delivery conditions. Non-alloy steel tubes with specified room temperature property.
● Application: for manufacturing pipe lines, vessel, equipments, pipe fittings and steel structure.
● Size range: O.D.: 6-120mm W.T.: 1-15mm L.: 15000mm max.
Table 1: Steel grade and chemical composition:
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | |
| Steel Name | Steel Number | Max | Max | Max | Max | Max | Max | Max |
| P195TR1 | 1.0107 | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 | 0.30 | 0.08 |
| P195TR2 | 1.0108 | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 | 0.30 | 0.08 |
| P235TR1 | 1.0254 | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 | 0.30 | 0.08 |
| P235TR2 | 1.0255 | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 | 0.30 | 0.08 |
| P265TR1 | 1.0258 | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 | 0.30 | 0.08 |
| P265TR2 | 1.0259 | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 | 0.30 | 0.08 |
Note: Special steel grade is also available, according to customers’ requests.
Table 2: Steel grade and mechanical property:
| Steel Grade | Tensile | Tensile | Elongation | ||||
| Steel Name | Steel Number | Upper yield strength | Strength | A min.% | |||
| ReH min for wall thickness | Rm | ||||||
| T mm | |||||||
| T≤16 | 16 | 40 | |||||
| Mpa | Mpa | Mpa | Mpa | L | t | ||
| P195TR1 | 1.0107 | 195 | 185 | 175 | 320-440 | 27 | 25 |
| P195TR2 | 1.0108 | 195 | 185 | 175 | 320-440 | 27 | 25 |
| P235TR1 | 1.0254 | 235 | 225 | 215 | 360-500 | 25 | 23 |
| P235TR2 | 1.0255 | 235 | 225 | 215 | 360-500 | 25 | 23 |
| P265TR1 | 1.0258 | 265 | 255 | 245 | 410-570 | 21 | 19 |
| P265TR2 | 1.0259 | 265 | 255 | 245 | 410-570 | 21 | 19 |
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