ASTM A240 Grade 443 Stainless Steel Sheet HL/NO.4 finish for electric elevator
443 stainless steel sheet
Cold rolled:0.6 - 2.5mm
As customer’s requirements.
30%T/T; L/C at sight
5-7 days after the deposit
Seaworthy Export Standard or as customer's requests.
Chemical composition of 443 stainless steel
Mechanical properties of 443 stainless steel
Yield Rp0.2 (MPa)
Tensile Rm (MPa)
Elongation A (%)
Reduction in cross section on fracture Z (%)
Brinell hardness (HBW)
Solution and Aging, Annealing, Ausaging, Q+T,etc
Characteristics of 443 stainless steel
1, 443 stainless steel chemical composition and mechanical properties of indicators: carbon (C) = 0.01%, chromium (Cr) = 21.0%, titanium (Ti) = 0.3%, the yield strength of sigma 0.2 = 305 mpa, sigma b = 483 mpa tensile strength, elongation El = 31%.
2, 443 stainless steel material properties: index of resistance to pitting corrosion of 443 stainless steel substrates is 300 mv, 304 stainless steel and its high thermal stability, good tensile properties.
3, excellent material properties than ordinary ferritic stainless steel, 443 stainless steel by adding Cr, lower C, Ti improve corrosion resistance. Pitting corrosion resistance increase, increase the content of Cr improve corrosion resistance, stainless steel substrates increase Ti improve its pitting corrosion resistance. The increase of the content of Cr can improve the electrode potential of stainless steel matrix, and at the same time Ti in priority and C to form stable compounds in stainless steel, C and Cr in stainless steel compound, suppresses the poor Cr point, improve the pitting corrosion resistance. Heat to improve service life: Ti element priority C compound formation, restrain the enrichment of stainless steel under the condition of heat C to grain boundary, increases the service life of the stainless steel heat, at the same time improve the stainless steel intergranular corrosion resistant performance, improve the thermal stability of the stainless steel.
Application of 443 stainless steel
Stainless steel 443, is a kind of ferritic stainless steel, now commonly used to replace 304, rust resistance and processing performance comparable to 304, the current in electrical appliances, household utensils, kitchen equipment, elevators, ovens, etc comprehensive promotion.
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