摩托车活塞戒指

Engine pistonring for motorcycle and automobileMaterail : 1. DUCTILE CAST IRON (KV1)- Modulus alasticityR 150GPA - Bending strengthR 1300 Mpa - Hardness 100 112 HRB 2. Alloy Spring steel - Modulus alasticityR 196 GPA -Tensile strengthR 1250 Mpa - Hardness 480 550 HV 3 Heat resistant stainless steel - Modulus alasticityR 196 GPA -Tensile strengthR 1175 Mpa - Hardness 58 63 HR30N 4. Carbon Steel - Modulus alasticityR 196 GPA -Tensile strengthR 1275 Mpa - Hardness68 72 HR30NPort:Guangzhou and Shenzhen Payment Terms:T/T ,Western Union Minimum Order Quantity:500 Set/Sets Supply Ability:30000 Set/Sets per Day Package: Paper packing, Plastic and negociable Delivery Time: 7 15 Days