The EN 10305-2 standard covers the technical delivery conditions for welded precision steel tubes, especially for cold-drawn or cold-rolled steel tubes. Common materials include E235+N, E255+N, E355+N, etc., which have the characteristics of withstanding high pressure without leakage, cold bending without deformation, and expansion and flattening without cracks.
EN10305-2 precision tubes are widely used in the fields of automobiles, machinery, aviation, aerospace, etc., especially in the manufacturing and maintenance of high-precision steel tubes.
Products Data
EN 10305-2 ERW Tubes Chemical Composition
| Steel Name | Steel Number | C max, % max. |
Si max, % max. |
Mn max, % max. |
P max, % max. |
S max, % max. |
| E155 | 1.0033 | 0,11 | 0.35 | 0.70 | 0.025 | 0.025 |
| E195 | 1.0034 | 0,15 | 0.35 | 0.70 | 0.025 | 0.025 |
| E235 | 1.0308 | 0,17 | 0.35 | 1.20 | 0.025 | 0.025 |
| E275 | 1.0225 | 0,21 | 0.35 | 1.40 | 0.025 | 0.025 |
| E355 | 1.0580 | 0,22 | 0.55 | 1.60 | 0.025 | 0.025 |
Delivery status includes NBK (+N), GBK (+A), BK (+C), BKW (+LC) and BKS (+SR), etc.
Products display
EN 10305-2 ERW Precision Steel Tubing
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GNEE has 14 steel production lines, 10 processing equipment for processing, bending, coating, heat treatment, cutting, drilling, beveling, tempering, surface treatment, etc., complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
Our products are exported to more than 60 countries and regions including Kazakhstan, Canada, India, Brazil, and Southeast Asia.
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FAQ
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