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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,具有硬度适中、柔韧弹跳性好、喷抛撞击面压强大、清理细腻的特点,广泛应用于各种材料的表面处理,是目前国内外主流抛喷清理耗材。
化学成分 | 百分比含量(%) |
碳(C) | 0.85-1.20 |
锰(Mn) | 0.60-1.20 |
硅(Si) | >0.50 |
硫(S) | <0.04 |
磷(P) | <0.04 |
硬度 | 42-45HRC |
硬度偏差 | 最大偏差范围为±3.0HRC |
金相组织 | 回火马氏体、回火屈氏体 |
最小密度 (可采用酒精置换法测定) |
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铸钢丸粒度分布
mesh | mm | 规格 |
2.5mm | 2.0 mm | 1.7 mm | 1.4 mm | 1.2 mm | 1.0 mm | 0.8 mm | 0.6 mm | 0.5 mm | 0.3 mm | 0.2 mm |
7 | 2.80 | all pass | | | | | | | | | | |
8 | 2.36 | | all pass | | | | | | | | | |
10 | 2.00 | 85%min | | all pass | all pass | | | | | | | |
12 | 1.70 | 97%min | 85%min | | 5%max | all pass | | | | | | |
14 | 1.40 | | 97%min | 85%min | | 5%max | all pass | | | | | |
16 | 1.18 | | | 97%min | 85%min | | 5%max | all pass | | | | |
18 | 1.00 | | | | 96%min | 85%min | | 5%max | all pass | | | |
20 | 0.850 | | | | | 96%min | 85%min | | 10%max | all pass | | |
25 | 0.710 | | | | | | 96%min | 85%min | | 10%max | | |
30 | 0.600 | | | | | | | 96%min | 85%min | | all pass | |
35 | 0.500 | | | | | | | | 97%min | | 10%max | |
40 | 0.425 | | | | | | | | | 85%min | | all pass |
45 | 0.355 | | | | | | | | | 97%min | | 10%max |
50 | 0.300 | | | | | | | | | | 80%min | |
80 | 0.180 | | | | | | | | | | 90%min | 80%min |
120 | 0.125 | | | | | | | | | | | 90%min |
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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