SA542TypeDCL4a steel plate is a steel plate for high temperature and high pressure vessels. SA542TypeDCL4a2 steel plate is a heat-resistant and hydrogen-resistant steel widely used in the world. It has good high temperature mechanical properties, high temperature oxidation resistance, corrosion resistance, good toughness and Solderability.
SA542TypeDCL4a executive standard: ASME A542/A542M standard.
Chemical element composition of SA542TypeDCL4a steel plate (melting analysis %):
C: 0.10-0.15%, Si≤0.1%, Mn: 0.40-0.53%, Cr: 2.1-2.4%, Mo: 0.9-1.1%, V: 0.30-0.35%, S≤0.005%, P≤0.005%, The balance is Fe and inevitable impurity elements.
Mechanical properties of SA542TypeDCL4a steel plate:
| Grade | Yield strength | Tensile strength | Elongation % | Area shrinkage % | -30℃ impact value |
| SA542TypeDCL4a | 415-620 | 590-760 | ≥18% | ≥45% | ≥60J |
SA542TypeDCL4a steel plate heat treatment process, delivery status: normalized + tempered. Additional flaw detection standard requirements, flaw detection level requirements, Z-direction performance requirements, requirements for adding special alloying elements, requirements for classification society certification, etc. can be added according to the needs, but it needs to be communicated by both the supplier and the buyer and specified in the contract.
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Henan BEBON Iron&Steel co.,ltd.
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