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合金铸钢丸(Cast Steel Shot)俗称钢丸(Steel Shot)钢丸磨料(Steel Abrasives)、弹丸、铸钢丸、钢粒、钢丸钢砂是铸铁丸和铁丸的替代产品,也称为抛丸磨料、抛丸机磨料、抛丸材料、抛丸除锈磨料、喷抛材料、喷丸磨料、喷砂磨料、喷砂耗材、喷砂机磨料、喷丸除锈磨料、喷丸材料、喷砂材料、除锈磨料、钢板预处理磨料、钢材预处理磨料,是理想抛丸清理、喷丸强化金属磨料等。
钢丸是用于滚筒式、链式、吊钩式、履带式、通过式、转台式、积放式、步进式、台车式抛丸机(抛丸器)、抛丸清理机、抛丸清理设备、喷丸机、喷抛丸、喷丸设备、喷砂机、喷砂设备、除锈设备,钢材预处理生产线、钢板预处理生产线、钢结构预处理生产线中的磨料。
合金铸钢丸主要技术指标 | 名 称 | 铸钢丸 | 化学成分
| 碳(C) | 0.70~1.20% | 锰(Mn) | 0.60~1.20% | 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±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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铸钢丸粒度分布 | 目数 | mm | 铸钢丸规格 | 2.5 | 2.0 | 1.7 | 1.4 | 1.2 | 1.0 | 0.8 | 0.6 | 0.5 | 0.3 | 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 |
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| 97%min | 85%min |
| 5%max | all pass |
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| 18 | 1.00 |
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| 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 标准 | 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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