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High-quality carbon structural steel 08# steel plate

High-quality carbon structural steel 08# steel plate
May 12, 2022 page view:8

08# steel plate

08# steel is high-quality carbon structural steel; Standard: GB/T 699.

08# steel plate features and scope of application: 08# steel is mostly rolled into high-precision thin sheets or cold-rolled steel strips to manufacture deep-drawn covered parts and welded components that are easy to process and form, and have low strength. It has high plasticity, toughness and welding performance, good pressure processing performance, but low strength.

08# steel plate chemical element:
C content: 0.05-0.12; Si content: 0.17-0.37; Mn content: 0.35-0.65; S content≤0.035;
P content≤0.035; Cr content≤0.10; Ni content≤0.25; Cu content≤0.25;

08# steel plate mechanical properties:
Tensile strength σb (MPa)≥325(33); Yield strength σs(MPa)≥195(20)
Elongation δ5(%)≥33; Section shrinkage ψ(%)≥60; Hardness without heat treatment≤131HB

08# steel plate heat treatment specification: normalizing at 930℃, 45min, air cooling; metallographic structure: ferrite + a very small amount of pearlite.

08# steel plate delivery status: delivered in the state of no heat treatment or heat treatment (annealing, normalizing or high temperature tempering). If it is required to be delivered in a heat-treated state, it should be indicated in the contract, and if it is not indicated, it will be delivered without heat treatment.

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