Ming Yuan Metal Products (Shanghai) Co., Ltd.; business 9cr18mov; 9cr18mo; 9cr18; stainless steel; high-speed steel; permeability steel; plastic mold steel, etc. Tel: 57888255; Fax: 57888225: Mobile: 15221352988; 

 Standard: GB / T 1220-1992 ● Features and application: for the manufacture of stainless steel sections, mechanical cutting tools and cutting tools, surgical blades, high-wear parts and other equipment. [1]? 

 Chemical composition 
 ● Chemical Composition: C: 0.85 ~ 0.95 Si Si: ≤ 0.80 Manganese Mn: ≤ 0.80 S S: ≤ 0.030 P P: ≤ 0.035 Cr-Cr: 17.00 ~ 19.00 Ni: to allow vanadium containing ≤ 0.60 V: 0.07 ~ 0.12 Mo Mo: 1.00 ~ 1.30 

 Mechanical Properties 
 ● Mechanical Properties: Hardness: Annealed, ≤ 269HB; quenching and tempering, ≥ 55HV 

 Heat Treatment 
 ● Heat treatment and microstructure specifications: Heat treatment specifications: 1) annealing, 800 ~ 920 ℃ slow cooling; 2) quenching, 1050 ~ 1075 ℃ oil cooling; 3) temper, 100 ~ 200 ℃ air-cooled. Microstructure: Organizing for the martensite type. [4]? Delivery status: generally heat treatment delivery, the treatment types specified in the contract; not indicated, according to the non-heat treatment delivery