钢铁砂

Cast Steel Grit G25 Discribtion: 1. Diameter is 1.0 mm; 2. Material is steel; 3. Already obtained SAE authentication; 4. Used for metal surface treatment; 5. Made by Dalian Junhui Steel Grit and Charge Co., Ltd. in China. Cast Steel Grit is one of the most commonly used abrasive nowadays. There are various sizes: G10 (SG2.5) G12 (SG2.0) G14 (SG1.7) G16 (SG1.4) G18 (SG1.2) G25(SG1.0) G40 (SG0.7) G50 (SG0.4) G80 (SG0.3) G120 (SG0.2) SAE A P P L I C A T I O NG 10G 12G 14G 16Blast cleaning of large and medium-sized cast-steel, cast-iron, forging, steel material, steel plate, pretreatment of rubber adhesive, etc. G 18G 25G 40 Stone cutting, grinding, pretreatment of rubber adhesive, steel plate,container, pretreatment of hull steel, spray-washing of medium and small-sized cast-steel, cast iron,and forgings, etc. G 50G 80G 120Rust removal and preplating of steel wire, wrench and steel pipe; Spray-washing of the precision casting products (such as golf head). Main Tech Specifications of Cast Steel Grit IndexCast steel gritChemical Compositions C0.85 1.20%Mn0.60 1.20%Si0.40 1.20%S≤0.05%P≤0.05%Average hardness(500gloading)GP: 42 50HRC (399 509HV)GL: 56 60HRC (620 713HV)GH: 63 66HRC (795 889HV)Hardness deviationMax deviation±3.0HRC,±40HVMetallographic structureEven tempered martensite and dispersed carbonMin density(Alcohol replace testing)7.4g/cm3