虫子档

1/Quality Tolerance for gear making: ISO 5 2/methods: carbide, carbide and nitride, quenching by pressure, bright heat treating, normalizing, anneal, quenching, thermal refining, quenching at surface during high/middle frequency, nitride, aging, straightening, shot blasting etc. 3/The below is the obtainable Chinese material of steel for gears. For special steel material, it is possible to obtain from import. No.Chemical composition(%)CSiMnCrNiMoother20Cr0.18-0.240.17-0.370.50-0.800.70-1.0020Cr2Ni4a0.17-0.240.20-0.400.30-0.601.25-1.7520CrNiMo0.17-0.230.15-0.400.60-0.900.35-0.650.40-0.700.15-0.3020CrMnTi0.17-0.230.17-0.370.80-1.101.00-1.30≤0.30Ti0.04-0.1038CrMoAl0.35-0.420.20-0.450.30-0.601.35-1.65≤0.300.15-0.25Al0.70-1.1040Cr0.37-0.440.17-0.370.50-0.800.80-1.10≤0.3042CrMo0.38-0.450.17-0.370.50-0.800.90-1.20≤0.300.15-0.254/We can produce all agricultural machinery gear and shaft from your drawings or a sample part.