SUS420J1
Martensite stainless steel SUS420J1
Characteristics of SUS420J1:
SUS420J1 is a kind of martensite stainless steel. It has a certain wear resistance and corrosion resistance. Its hardness is relatively high. In most cases, it is used in the manufacture of components which can resist air, steam, water and oxidizing acid corrosion.Chemical compositions of SUS420J1 (%):
C
Si
Mn
Cr
P
S
0.16~0.25
≤1.00
≤1.00
12.00~14.00
≤0.040
≤0.030
Mechanical properties of SUS420J1:
Yield strength MPa
≥225
Tensile strength Mpa
≥520
Elongation %
≥18
Hardness HB
≤223
Heat treatment of SUS420J1:
Annealing hardness/HBS
Cold drawing hardness/HBS
Preheating temperature/℃
Quenching temperature/℃
Holding time/min
Quenching medium
Tempering temperature/℃
Hardness after tempering ≥HRC
Salt bath furnace
Controlled atmosphere furnace
235
262
788
1191
1204
5~15
Air cooling
522
60
Applications of SUS420J1:
It is suitable for fabricating all kinds of precision machinery, bearing, electric, equipment, apparatus, instrument, means of transport, household appliance and so on. In most cases, it is used in the manufacture of components which can resist air, steam, water and oxidizing acid corrosion.For further information on selection, application, heat treatment and inventory, please feel free to contact us. Your inquiries about our martensite stainless steel and other stainless steel are highly appreciated. We will serve you with our honesty, integrity and professionality.
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