Chemical composition GCr15, GCr15, Suzhou, with

Product Name: SNCM420 bearing steel Model: SNCM420 Brand: Hangzhou Iron and Steel ● Chemical Composition: Carbon C: 0.17 ~ 0.23 (tolerance: ± 0.02) silicon Si: 0.15 ~ 0.40 (tolerance: ± 0.03) Manganese Mn: 0.40 ~ 0.70 (tolerance: ± 0.04) S S: ≤0.030 (tolerance: +0.005) P P: ≤0.030 (tolerance: +0.005) chromium Cr: 0.35 ~ 0.65 (tolerance: ± 0.15) Ni-Ni: 1.60 ~ 2.00 (tolerance: ± 0.05) Copper Cu: ≤0.30 (Tolerance: +0.05) Mo Mo: 0.20 ~ 0.30 (tolerance: ± 0.02) ● Mechanical Properties: Tensile strength σb (MPa): ≥980 (100 ) Elongation δ5 (%): ≥13 section shrinkage ψ (%): ≥45 impact toughness αkv (J / cm2): ≥78 (8) sample size: Sample size is 25mm Product Name: 100Cr6 bearing Steel Model: light circle ∮4-∮100, hexagonal rods, flat steel non-standard can be customized according to customer drawings customized products brand: Hangzhou Iron and Steel, Sha Steel, Baoshan Iron and Steel heat treatment system for the heat treatment: annealed steel bar, wire annealing or 830-840 degree oil quenching. Heat treatment parameters: 1. Ordinary annealed: 790-810 degree heat, furnace cooling to 650 degrees GCr15, air-cooled --HB170-2072 isothermal annealing: 790-810 degree heat, 710-720 degree temperature, air-cooled --HB207- . 2293. normalizing: 900-920 GCr15 price of heating, air-cooled high-temperature tempering --HB270-3904: 650-700 degree heat GCr15 steel, air-cooled quenching --HB229-2855: 860-degree heat, oil quenching - HRC62-666 tempering: 150-170 degrees tempering, air cooling --HRC61-667 carbonitriding: 820-830 degrees permeation 1.5-3 hours GCr15 light circle, oil quenching, -60 degrees to -70 Cryogenic treatment of +150 to +160 degrees tempering, the chemical composition of air cooling --HRC≈67 GCr15, GCr15, Suzhou, Suzhou, the same is provided by the same metal material Limited. Suzhou, with Metal Materials Co. (www.szrtjs.com) strong, credible, in Suzhou of metal building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Suzhou, and you work with into the brilliant, for a better future!