Seamless steel tubes for pressure purposes-Technical delivery conditions
Auto shock absorber innder cylinder
Size range: O.D.:6-168mm W.T.:1-30mm L:max12000mm
| Chemical composition |
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| 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 customer request. |
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| Mechanical properties |
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| Steel Grade | Tensile properties | Tensil | Elongation |
| Steel name | Steel number | Upper yield strength | Strength | A min.% |
| ReH min for Wall Thickness | Rm |
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| T mm |
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| T≤16 | 16 | 40 |
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| 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 |
