SUS403 (403)
Martensitic Stainless Steel SUS403
S40300
403S17Characteristics of SUS403:
SUS403 is a kind of heat resistant martensitic stainless steel. It can endure relatively high stress. Its corrosion resistance is very excellent under the condition of water and steam.Chemical composition of SUS403 (%):
Standard
C
Si
Mn
Cr
Ni
P
S
JIS G 4303-2005
≤0.15
≤0.50
≤1.00
11.50~13.00
≤0.60
≤0.040
≤0.030
Mechanical properties of SUS403:
Mechanical properties of SUS403 stainless steel bar in quenching and tempering states (diameter ≤75mm):Yield strength/MPa
≥390
Tensile strength/Mpa
≥590
Elongation %
≥25
Shrinkage %
≥55
Charp impact value J/cm2
≥147
Hardness HBW
≥170
Heat treatment of SUS403:
1. Annealing: Annealing temperature is 800~900℃. Slow cooling.
2. Quenching: Quenching temperature is 950~1000℃. Oil cooling.
3. Tempering: Tempering temperature is 700~750℃. Rapid cooling.Applications of SUS403:
SUS403 is typically used in turbine blades and components with high stress.For further information on selection, application, heat treatment and inventory, please contact us kindly. Your inquiries about our martensitic stainless steel and other stainless steel are highly appreciated.
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