Stainless steel: SUS303
● Features and Scope:
Improve the cutting resistance, burn resistance. Ideal for automatic lathes. Bolts, nuts.
● Chemical Composition:
Carbon C: ≤0.15
Si Si: ≤1.00
Manganese Mn: ≤2.00
Sulfur S: ≤0.15
Phosphorus P: ≤0.20
Chromium Cr: 17.00 ~ 19.00
Ni Ni: 8.00 ~ 10.00
Mo Mo: can join ≤0.60
● Mechanical Properties:
Tensile strength σb (MPa): ≥520
Conditions yield strength σ0.2 (MPa): ≥205
Elongation δ5 (%): ≥40
Reduction of ψ (%): ≥50
Hardness: ≤187HB; ≤90HRB; ≤200HV
● Heat treatment and microstructure specifications:
Heat Specifications: 1010 ~ 1150 ℃ rapid cooling.
Microstructure: Organizing for the austenitic type.
● Delivery status: to heat treatment delivery in general, the treatment types specified in the contract; not indicated, by not heat treatment delivery. |
