Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
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Cold Finished Seamless Welded Round Hollow Steel Tube For Machinery And Auto Parts
Description:
Chemical Composition and Mechanical Performance:
| Table 1- Chemical composition | ||||||
| Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
| E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
| E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
| E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 | |
Standard AND Optional Testing:
Visual and dimensional test 100%.
Eddy current test 100% acc. to EN 10246-3.
Ultrasonic test 100% acc. to EN 10246-7.
Chemical composition.
Impact test.
Mill Test Certificate:
The product is supplied with 3.1.B inspection certificate,according to the standards EN 10204 and ISO 10474.