Product Description
[Name]: laser Cheung moire 7Cr17 Tool / Available Single sale [Blade]: 7Cr17 [Handle]: color wood handle double steel head [Features]: sharp and durable; environmental health; lightweight effort Stainless steel: 7Cr17 Standard: GB / T 1220-1992 Features and Scope: The hardened state, hard, but higher than 8Cr17,11Cr17 toughness. Used as cutting tools, measuring tools, bearings. Chemical Composition: Carbon C: 0.60 ~ 0.75 Si Si: ≤1.00 Manganese Mn: ≤1.00 Sulfur S: ≤0.030 Phosphorus P: ≤0.035 Chromium Cr: 16.00 ~ 18.00 Ni: to allow containing ≤0.60 Mo Mo: can join ≤0.75 Mechanical Properties: Hardness: annealing, ≤255HB; quenching and tempering, ≥54HV Heat treatment and microstructure specifications: Heat treatment specifications: 1) annealing, 800 ~ 920 C slow cooling; 2) quenching, 1010 ~ 1070 C oil cooling; 3) tempering, 100 ~ 180 C fast-cooling. Microstructure: Organizing for the martensite type.