山东开泰集团有限公司
资料信息
认证信息
品牌:开泰型号:G25类型:钢丸粒度:1.0mm欧文寿命:2000~2800次
钢砂生产执行标准:
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 J1993铸钢砂标准”,中华人民共和国黑色冶金行业“YB/T5150-1993铸钢砂标准”、美国军标“MIL-S-851C清理及强化用金属类钢砂及钢丸”及国际标准化组织“ISO11124-3高碳铸钢丸铸钢砂标准”来生产。
钢砂主要技术指标:
名称 | (钢砂)铸钢砂 | |
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) | GP钢砂:42~50HRC (399~509HV) GL钢砂:56~60HRC (620~713HV) GH钢砂:63~66HRC (759~889HV) | |
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) | 7.4g/cm3 |
钢砂的粒度分布:
目数 | mm | 铸钢砂规格 mm Specification of Steel Grit mm | |||||||||
2.5 | 2.0 | 1.7 | 1.4 | 1.2 | 1.0 | 0.7 | 0.4 | 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 | 80%min |
| all pass |
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12 | 1.70 | 90%min | 80%min |
| all pass |
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13 | 1.40 |
| 90%min | 80%min |
| all pass |
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16 | 1.18 |
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| 90%min | 75%min |
| all pass |
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18 | 1.00 |
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| 85%min | 75%min |
| all pass |
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20 | 0.850 |
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25 | 0.710 |
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| 85%min | 70%min |
| all pass |
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30 | 0.600 |
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35 | 0.500 |
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| 80%min |
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40 | 0.425 |
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| 70%min |
| all pass |
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45 | 0.355 |
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50 | 0.300 |
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| 80%min | 65%min |
| all pass |
80 | 0.180 |
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| 75%min | 65%min |
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120 | 0.125 |
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| 75%min | 60%min |
200 | 0.075 |
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| 70%min |
325 | 0.045 |
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SAE | G-10 | G-12 | G-14 | G-16 | G-18 | G-25 | G-40 | G-50 | G-80 | G-120 |