品牌:开泰型号:S170类型:钢丸粒度:0.5mm欧文寿命:2000~2800
我们严格按国标“GB/T18838.3-2008 高碳铸钢丸和砂”、美国铸钢协会“SFSA20-66铸钢磨料标准”、美国汽车工程师协会“SAE J827铸钢丸标准”,中华人民共和国黑色冶金行业“YB/T5149-93铸钢丸”、美国军标“MIL-S-851清理及强化用金属类钢砂及钢丸标准”及国际标准化组织“ISO11124-3标准高碳铸钢丸铸钢砂标准”来生产。
钢丸主要技术指标:
名称 | (钢丸)铸钢丸 |
化学成分 | 碳(C) | 0.70~1.20% |
锰(Mn) | 0.35~1.20% |
硅(Si) | 0.40~1.20% |
硫(S) | ≤0.05% |
磷(P) | ≤0.05% |
平均硬度 (500g荷载下测定) | 常规:40~50HRC (377~509HV) 特殊:52~56HRC (543~620HV) 特殊:56~60HRC (620~713HV) |
硬度偏差 | 最大偏差范围为±3.0HRC或者±40HV |
金相组织 | 均匀的回火马氏体或回火屈氏体+弥散分布碳化物 |
最小密度 (酒精置换法测定) | 7.2g/cm3
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钢丸的粒度分布:
mesh | mm | 铸钢丸规格 mm Specification of Steel Shot mm |
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| SS-2.5 | SS-2.0 | SS-1.7 | SS-1.4 | SS-1.2 | SS-1.0 | SS-0.8 | SS-0.6 | SS-0.5 | SS-0.3 | SS-0.2 |
7 | 2.80 | all pass | |
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8 | 2.36 | | all pass | |
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10 | 2.00 | 85%min | | all pass | all pass | |
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12 | 1.70 | 97%min | 85%min | | 5%max | all pass | |
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14 | 1.40 | | 97%min | 85%min | | 5%max | all pass | |
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16 | 1.18 | |
| 97%min | 85%min | | 5%max | all pass | |
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18 | 1.00 | |
| | 96%min | 85%min | | 5%max | all pass | |
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20 | 0.850 | |
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| 96%min | 85%min | | 10%max | all pass | |
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25 | 0.710 | |
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| 96%min | 85%min | | 10%max | |
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30 | 0.600 | |
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| 96%min | 85%min | | all pass | |
35 | 0.500 | |
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| 97%min | 85%min | 10%max | |
40 | 0.425 | |
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| 97%min | | all pass |
45 | 0.355 | |
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| | 80%min | 10%max |
50 | 0.300 | |
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| 90%min | |
80 | 0.180 | |
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| 80%min |
120 | 0.125 | |
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| 90%min |
200 | 0.075 | |
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325 | 0.045 | |
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SAE | S-780 | S-660 | S-550 | S-460 | S-390 | S-330 | S-280 | S-230 | S-170 | S-110 | S-70
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产品用于合金铸件的清砂、薄板、带钢、小型不锈钢精铸件的清砂、除锈、弹簧强化、涂镀前的表面处理、提高粗糙度、增强附着力。