420 Stainless Steel Sheet

420 Stainless Steel Sheet

420 stainless steel sheet sheet sheet 420 stainless steel sheet sheet is a martensitic stainless steel, with certain wear resistance and corrosion resistance, high hardness and other characteristics, applicable to various types of precision machinery, bearings, electrical, equipment,...
Product description

420 Stainless Steel Sheet 

420 stainless steel sheet sheet is a martensitic stainless steel, with certain wear resistance and corrosion resistance, high hardness and other characteristics, applicable to various types of precision machinery, bearings, electrical, equipment, instrumentation, instrumentation, transportation tools, household appliances. It is used for the manufacture of parts that are resistant to atmospheric, water vapor and oxidizing acid.

420 stainless steel sheet, 420 stainless steel sheet is 420 "cutting-tool grade" martensitic steel, similar to the first stainless steel of Brinell high chromium. 420 has a certain wear resistance and corrosion resistance, high hardness, the price of stainless steel ball in a lower class, applicable to the general requirements of stainless steel working environment. 420 stainless steel sheet suitable for all kinds of precision machinery, bearings, electrical, equipment, instrumentation, instrumentation, transportation tools, household appliances. It is used for the manufacture of parts that are resistant to atmospheric, water vapor and oxidizing acid.


Chemical Composition

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


Note

① a single value, except as otherwise noted, is the highest value;

② used in some pipe-making process, some models of austenitic stainless steel must be slightly higher than the value shown in the table;

③ at random; 

④ maximum content of TA is 0.1%,

⑤ highest contents is 0.75%; 

⑥ highest content is 0.7%


Mechanical Properties

Tensile Strength Σb (MPa): Quenching and Tempering ≥ 635

Conditions Yield Strength σ0.2 (MPa): Quenching and Tempering ≥ 440

Elongation Rate δ5 (%): Quenching and Tempering ≥ 20

Section Shrinkage Rate of Psi (%): Quenching and Tempering ≥ 50

Impact Power Akv (J): Quenching and Tempering ≥ 63

Hardness: annealing ≤223HB

Quenching and Tempering ≥192HB

 


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