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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
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Description
Specifies the technical conditions for delivery of seamless and welded steel tubes for the conveyance of water and sewage at temperatures between - 10 °C and 120 °C. Does not apply to steel tubes in accordance with ISO 65 and similar plain end tubes.
Chemical composition
| Grade | Mtg.process | Chemical composition % | ||||||||
| C (max) | Si | Mn | P(max) | S (max) | Ni | Cr | Mo | others | ||
| TSO | S | - | - | 0.060 | 0.060 | - | - | - | - | |
| TWO | W | - | - | 0.060 | 0.060 | - | - | - | - | |
| TS1 | S | 0.16 | - | 0.30-0.70 | 0.050 | 0.050 | - | - | - | - |
| TW1 | W | 0.16 | - | 0.30-0.70 | 0.050 | 0.050 | - | - | - | - |
| TS4 | S | 0.17 | 0.35 | 0.40-0.80 | 0.045 | 0.045 | - | - | - | - |
| TW4 | W | 0.17 | 0.35 | 0.40-0.80 | 0.045 | 0.045 | - | - | - | - |
| TS9 | S | 0.21 | 0.35 | 0.40-1.20 | 0.045 | 0.045 | - | - | - | - |
| TW9 | W | 0.21 | 0.35 | 0.40-1.20 | 0.045 | 0.045 | - | - | - | - |
Mechnical properties
| Grade | Tensile Test MPa | Remarks (similiar to JIS ) | possibility temperature | |
| Min Yield point | Tensile Strength | |||
| TSO | - | 320-520 | - | |
| TWO | - | 320-520 | (SGP) | |
| TS1 | 195 | 320-440 | - | |
| TW1 | 195 | 320-440 | - | |
| TS4 | 215 | 360-480 | (STPG370) | |
| TW4 | 215 | 360-480 | (STPG370) | |
| TS9 | 235 | 410-530 | (STPG410) | |
| TW9 | 235 | 410-530 | (STPG410) | |
Hot Tags: ISO 559-77 welded or seamless steel tubes China, manufacturers, suppliers, factory, high quality
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