Marine Equipment
Carbon Steel Socket Welded Line Pipe
Product Description: Pipeline steel is used for transporting oil,gas and other large diameter welded steel pipe with hot rolled coil plate or lenient plate.Pipeline steel in use...
Carbon Steel Socket Welded Line Pipe
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Product Description:
Pipeline steel is used for transporting oil,gas and other large diameter welded steel pipe with hot rolled coil plate or lenient plate.Pipeline steel in use process,in addition to the requirement has high compression strength,also requires a high low temperature toughness and excellent welding performance.
Specification:
| Line pipe tolerance | |
| Line pipe diameter（D）mm | Linepipe wall thickness(S)mm |
| Type | Tolerance(％) |
| D≥60.3 and S<20 | ±0.75 |
| D≥60.3 and S≥20 | ±1.00 |
| D≤73.0 | ＋15,-12.5 |
| ＞73.0 and S＜20 | ＋15,-12.5 |
| ＞73.0 and S≥20 | +17.5,-10 |
| X60 line pipe chemical composition(%) | |||||||
| C | Si | Mn | P | S | V | Nb | Ti |
| ≤0.21 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.15 | ≤0.05 | ≤0.04 |
