What is the alloy SA588 Grade K atmospheric corrosion resistant structural steel

In terms of service, our service is a "one-stop" way of working. We have our own SA588 Grade K atmospheric corrosion resistant structural steel processing plant and pretreatment plant, pretreatment of ship steel (shot blasting, derusting, painting). Technical parameters of steel plate and profile steel surface pretreatment production line. We can also let customers enjoy our other pretreatment services, such as SA588 Grade K atmospheric corrosion resistant structural steel cutting, welding, drilling, galvanizing, etc., at the lowest cost.

Like all weather resistant steels, S355J2W is self protecting- the material rusts over time due to the reaction with chemical elements in the air. S355J2W corten steel coil and sheets have excellent impact strength and it is ideal for heavy use or in low temperature. It can be used in–situ without the need for expensive treatment or painting over time. Popular material SA588 Grade K atmospheric corrosion resistant structural steelwith architects for use in steel sculptures and modern structures due to aesthetic appeal.

The metallurgical quality of spring steel should reach the level of high quality steel. Due to the special requirements of production parts, SA588 Grade K atmospheric corrosion resistant structural steel, spring steel must have some characteristics. First, the fatigue resistance of spring steel is good, and it can be restored to its original state after repeated use without deformation. Second, good flexibility. Third, the tensile strength of spring steel is good, under the limit of being stretched, it can be restored without breaking.

The alloy wear-resistant layer of SA588 Grade K atmospheric corrosion resistant structural steel, wear-resistant steel plate is mainly composed of chromium alloy, and other alloy components such as manganese, molybdenum, niobium and nickel are added. The carbide in the microstructure is fibrous distribution, and the fiber direction is vertical to the surface. The alloy carbide has strong stability at high temperature, maintains high hardness, and has good oxidation resistance. It can be used normally within 500℃.

A514gr.F high yield strength structural quality steel chemical composition%
C: 0.10-0.20, Si: 0.15-0.35, Mn: 0.60-1.00, P max.: 0.035, S max.: 0.035, Ni: 0.70-1.00, Cr: 0.40-0.65, Mo: 0.15-0.25, V: 0.03-0.08, Cu: 0.15-0.50, B: 0.001-0.005
The mechanical properties in the plate thickness (mm)T≤65
Yield strength (≥Mpa): 690
Tensile strength (Mpa):760-895
Elongation in ≥,%: 18

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