Technical key points for the production of SA709 grade 50 carbon steel plate sheet

Oxygen is a harmful element in SA709 grade 50 carbon steel plate sheet steel. With the increase of oxygen content, the strength of SA709 grade 50 carbon steel plate sheet steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldability became worse. The presence of oxygen causes hot brittleness of SA709 grade 50 carbon steel plate sheet steel.

ASME SA514 gr J alloy steel sheet element composition%C: 0.12-0.21, Si: 0.20-0.35, Mn: 0.45-0.70, P max.: 0.035, S max.: 0.035, Mo: 0.50-0.65, B: 0.001-0.005The mechanical properties in thickness (mm)T≤65Yield strength (≥Mpa): 690Tensile strength (Mpa):760-895Elongation in ≥, %: 18

Customer first, reputation first, high-quality and perfect after-sales service is the extension of our product value and an important guarantee for the interests of customers. The purpose of our SA709 grade 50 carbon steel plate sheet service quality management system is to establish and constantly improve a scientific, reasonable and efficient service quality management system, and complete the after-sales service quality guarantee work of customers fairly, accurately and timely, For our company's SA709 grade 50 carbon steel plate sheet customer service to establish a good, comprehensive, full service system.

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