EN10028-6 P355QL1 Boiler Plate is an alloy steel formulated for primary forming into wrought products. Cited properties are appropriate for the quenched and tempered condition. 1.8868 is the EN numeric designation for this material. P355QL1 is the EN chemical designation.
It has a moderately high density among EN wrought alloy steels. In addition, it has a moderately high thermal conductivity and a very low tensile strength.
Technical Specifications
| Feature | Detail |
|---|---|
| Material Number | 1.8868 |
| Standard | EN 10028-6 |
| Yield Strength (min) | 355 MPa (t ≤ 50mm) |
| Tensile Strength | 490 – 630 MPa |
| Impact Test Temp | -40°C (L1 designation) |
| Weldability | Excellent; suitable for most standard welding processes |
Applications
EN10028-6 P355QL1 Boiler Plate is widely used in demanding industrial sectors such as oil and gas, petrochemicals, and power generation. Common equipment includes:
High-pressure reactors and separators
Liquefied Natural Gas (LNG) storage tanks
Industrial boilers and heat exchangers
Compressed gas tanks and penstocks
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