Torich International Limited
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Torich International Co.,Ltd focus on Seamless steel pipes,DOM steel pipe,Precision steel tubes.Welcome to email us .
EN10216-2 Seamless steel tubes for pressure purposes Technical delivery conditions Non-alloy steel tubes with specified elevated temperature properties
Applications: for manufacturing pipelines of boilers, vessel equipment
Size range: O.D.:6-323mm W.T.:1-30mm L: according to customer requirement
Chemical composition
| Steel grade | C | Si | Mn | P | S | Cr | Mo | Al | |
| Steel | Steel | max | max | max | max | max | max | max |
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| 195GH | 1.0348 | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 | 0.30 | 0.08 | ≥0.020 |
| P235GH | 1.0254 | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 | 0.30 | 0.08 | ≥0.020 |
| P265GH | 1.0425 | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 | 0.30 | 0.08 | ≥0.020 |
| 20MnNb6 | 1.0471 | 0.22 | 0.15- | 1.0- | 0.025 | 0.020 | 0.30 | 0.08 | ≤0.060 |
| 16Mo3 | 1.5415 | 0.12- | 0.35 | 0.40- | 0.025 | 0.020 | 0.30 | 0.25- | ≤0.040 |
| 10CrM | 1.7380 | 0.08- | 0.50 | 0.30- | 0.025 | 0.020 | 2.0- | 0.90- | ≤0.040 |
| 11CrM | 1.7383 | 0.08- | 0.50 | 0.40- | 0.025 | 0.020 | 2.0- | 0.90- | ≤0.040 |
| 25Cr | 1.7218 | 0.22- | 0.40 | 0.60- | 0.025 | 0.020 | 3.0- | 0.50- | ≤0.040 |
Mechanical properties
| Steel Grade | Tensile properties | Tensil | Elongation | ||||
| Steel name | Steel | 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＜T≤40 | 40＜T≤60 |
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| Mpa | Mpa | Mpa | Mpa | l | t | ||
| 195GH | 1.0348 | 195 | ~ | ~ | 320-440 | 27 | 25 |
| P235GH | 1.0254 | 235 | 225 | 215 | 360-500 | 25 | 23 |
| P265GH | 1.0425 | 265 | 225 | 245 | 410-570 | 23 | 21 |
| 20MnNb6 | 1.0471 | 355 | 345 | 335 | 500-650 | 22 | 20 |
| 16Mo3 | 1.5415 | 280 | 270 | 260 | 450-600 | 22 | 20 |
| 10CrMo9-10 | 1.7380 | 280 | 280 | 270 | 480-630 | 22 | 20 |
| 11CrMo9-10 | 1.7383 | 355 | 355 | 355 | 540-680 | 20 | 18 |
| 25CrMo4 | 1.7218 | 345 | 345 | 345 | 540-690 | 18 | 15 |
