SA633 Gr C carbon steel material tempering temperature

We recieved new order about SA633 Gr C carbon steel material 3mm thickness and so on dimension ABS grade A shipbuilding steel plates. It is not easy to find 3mm thickness shipbuilding steel plates supplier. The order was put to other supplier before, but the customers was informed not able to supply 3mm thickness SA633 Gr C carbon steel material shipbuilding steel plates with ABS certificate. This was disappointed and the customer had to withdraw the order. After a lot of investigation and recommendation, the customer finally find us and we fully have the ability to supply this batch of shipbuilding steel plates according to their requirements.

When pouring the steel with high Mn content, some manganese oxide should be added in the initial slag in advance to prevent the occurrence of the above events. In order to prevent the longitudinal crack of wear-resistant steel plate, SA633 Gr C carbon steel material, some measures are often taken to reduce the content of P, S and Se in NM360 wear-resistant steel plate. Strictly control the liquid level fluctuation of the crystallizer; reasonably control the negative sliding time; try to increase the temperature difference of the water in the crystallizer as much as possible.

S550MC hot-rolled automobile sheet chemical composition (melting analysis)%C: ≤0.12, Si: ≤0.50, Mn: ≤1.80, P: ≤0.025, S: ≤0.015, Alt: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.15Mechanical propertiesYield strength MPa: ≥550Tensile strength MPa: 600–760Elongation: ≥12

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