420 stainless steel plate with top quality
420 stainless steel plate is a kind of martensitic stainless steel which is with a certain degree of wear resistance and corrosion resistance, high hardness.
420 stainless steel plate is a kind of "cutting class" martensitic steel, similar to earliest Brandt’s high chromium stainless steel. 420 stainless steel plate is with a certain degree of wear resistance and corrosion resistance, high hardness.
The price of stainless steel ball is a lower class, applicable to the general requirements of stainless steel working environment. 420 stainless steel is widely used for all kinds of precision machinery, bearings, electronics, equipment, instruments, meters, transportation tools, household appliances, etc.. The utility model is mainly used for the manufacture of components which are resistant to atmospheric, water vapor, water and oxidizing acid corrosion.
The chemical composition of the 420 stainless steel plate:
C：0.16~0.25
Mn：≤1.00%
Si：≤1.00%
Cr：12.0~14.0%
Ni：≤0.75%
P：≤0.04%
S：≤0.03%
Mechanical property:
The ultimate tensile strength of (MPa): ≥635
The yield strength(MPa): ≥440
Elongation (%): ≥20%
Section shrinkage of PSI (%): ≥50%
The impact of Akv (J): ≥63%
Hardness: when annealing,less than 223HB; more than 192HB.
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