Mechanical parameters of SA709 Gr 50W carbon steel plate sheet

S45C steel plate chemical composition: C 0.42~0.48, Si 0.15~0.35, Mn 0.60~0.90, P≤0.030, S≤0.035, Cu≤0.30, Ni≤0.20, Cr≤0.20Mechanical properties of SA709 Gr 50W carbon steel plate sheet productTensile strength>686MPaYield strength>490MPaElongation δ5>17%Shrinkage ψ>45%Impact toughness value>78J/cm2The hardness is 201~269HB.

We have 4 typical production lines, which can produce hot rolled Seamless, LSAW, ERW and SSAW pipes. SSAW pipe production line range is OD 219.1mm-3500mm, wall thickness 3.2mm-25.4mm. Product SA709 Gr 50W carbon steel plate sheet annual capacity is 200 thousand tons.

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The quenching and tempering treatment of SA709 Gr 50W carbon steel plate sheet steel plate: after quenching, the heat treatment method of high temperature tempering is called quenching and tempering treatment.High temperature tempering refers to tempering between 500℃ and 650℃.The properties and materials of steel can be greatly adjusted by tempering and tempering. Its strength, plasticity and toughness are good, and it SA709 Gr 50W carbon steel plate sheet has good comprehensive mechanical properties.