Stainless steel: Y1Cr17 Standard: GB / T 1220-1992 ● Features and Scope: Than 1Cr17 improve cutting performance. Automatic lathe with bolts, nuts and so on. ● Chemical Composition: Carbon C: ≤0.12 Si Si: ≤1.00 Manganese Mn: ≤1.25 Sulfur S: ≤0.015 Phosphorus P: ≤0.060 Chromium Cr: 16.00 ~ 18.00 Ni: to allow contains ≤0.60 Mo Mo: can join ≤0.60 ● Mechanical Properties: Tensile strength σb (MPa): ≥450 Conditions yield strength σ0.2 (MPa): ≥205 Elongation δ5 (%): ≥22 Reduction of ψ (%): ≥50 Hardness: ≤183HB ● Heat treatment and microstructure specifications: Heat treatment specifications: air-cooled 680 ~ 820 ℃ annealing or slow cooling. Microstructure: Organizing for the ferrite. ● Delivery status: to heat treatment delivery in general, the treatment types specified in the contract; not indicated, by not heat treatment delivery. |