Seamless cold-drawn steel pipes are produced of carbon and alloyed steel grades used for pipelines, gas duct, metal structures, etc.
1. Quality
| Specification | Steel Grade |
|---|---|
| DIN 1629 | St 37-0, St 44-0, St 52-0 |
| BDS 5785 | St 10, St 20, St 35, St 45 |
| DIN 17200 | St 35 |
| BDS 6354 | 20X, 40X, 30XSA |
2. Dimensions
According to DIN 2448 and BDS 6057.
| Outside diameter, mm | Wall thickness, mm | Length, mm |
|---|---|---|
| 42, 45, 48, 50, 51, 53, 54, 56, 57, 60, 63, 65, 70, 75 |
over 3 to 6 incl. | over 4 to 11 incl. |
3. Tolerances
According to DIN 1629 and BDS 6057.
3.1. Outside diameter and wall thickness tolerances
| Dimensions, mm | Tolerances, mm |
|---|---|
| Outside diameter over 42 to 50 incl. | ±0.40% |
| Outside diameter over 50 | ±0.8% |
| Wall thickness over 3 to 6 incl. | ±10.0% |
3.2. Length tolerances
| Length | Dimensions, mm | Tolerance, mm | Addition to each cut, mm |
|---|---|---|---|
| unfixed length | 4000 - 11000 | - | - |
| fixed length | within the range of the unfixed length | +15 | - |
| multiple to the fixed length | within the range of the unfixed length | +15 | +5 |
| approximate length | within the range of the unfixed length | ±500 | - |
4. Mechanical requirements
According to DIN 1629 and BDS 6175.
5. Packing and delivery
Cold-drawn steel pipes are delivered in bundles of up to 5 MT in weight, tied at three points.
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ARTHIL TRADING COMPANY, S.L
Plaza Huerto Sogueros 7, 3º
12001 Castellón-España
Tel. 34-964/256455* Fax. 34-964/256615
