SUS303 austenitic type of acid resistant stainless steel cutting to improve the performance of the steel can be added in the steel of not more than 0.60% molybdenum, can be resistant to erosion, product cutting resistance and good fire. Corrosion of .303 stainless steel mechanical properties after annealing to stress, tensile strength 515MPa, yield 205MPa, elongation 40%. 303 stainless steel standard hardness HRB 90-100, HRC 20-25, Note: HRB100 = HRC20
Chemical composition
Carbon C: ≤ 0.15 SUS303
     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 be added to ≤ 0.60
Mechanical properties
Tensile strength σb (MPa): ≥ 520
     Conditions yield strength σ0.2 (MPa): ≥ 205
     Elongation δ5 (%): ≥ 40
     Reduction of area ψ (%): ≥ 50