Stainless Steel: Y1Cr18Ni9
Standard: GB/T 1220-1992
●Characteristics and Applications: Improved machinability and resistance to burning. Most suitable for automatic lathes. Bolts, nuts.
●Chemical Composition:
Carbon C : ≤0.15
Silicon Si: ≤1.00
Manganese Mn: ≤2.00
Sulfur S : ≤0.15
Phosphorus P : ≤0.20
Chromium Cr: 17.00～19.00
Nickel Ni: 8.00～10.00
Molybdenum Mo: May be added ≤0.60
●Mechanical Properties:
Tensile Strength σb (MPa): ≥520
Yield Strength σ0.2 (MPa): ≥205
Elongation δ5 (%): ≥40
Reduction of Area ψ (%): ≥50
Hardness : ≤187HB; ≤90HRB; ≤200HV
●Heat Treatment Specifications and Metallographic Structure:
Heat Treatment Specification: Solution treatment at 1010～1150°C followed by rapid cooling.
Metallographic Structure: The structural characteristic is austenitic.
●Delivery Condition: Generally delivered in heat-treated condition, with the type of heat treatment specified in the contract; if not specified, delivered in non-heat-treated condition.