| 项目item | 国家标准钢砂 national standard grit | |
化
学 成 份 % |
碳 carbon | 0.85-1.20 |
| 硅 silicon | 0.40-1.20 | |
| 锰 manganese | 0.60-1.20 | |
| 硫 sulfur | <0.05 | |
| 磷 phosphorus | <0.05 | |
| 其他other | ||
| 硬度 | GP | HRC46-50 |
| GL | HRC56-60 | |
| GH | HRC63-65 | |
| 密度 density | ≥7.40 g/cm3 | |
| 金相组织 metallographic structure | 回火马氏体 tempered martensite | |
| 外观 appearance |
多角形 球状，半球状，扁平状颗 粒＜10％ 裂纹<40% |
|
筛网号
|
英寸 inch |
筛网 孔径 |
SAE J444 钢砂 steel grit | |||||||||
| G10 | G12 | G14 | G16 | G18 | G25 | G40 | G50 | G80 | G120 | |||
| 6 | 0.132 | 3.35 | ||||||||||
| 7 | 0.111 | 2.80 | All Pass | |||||||||
| 8 | 0.0937 | 2.36 | All Pass | |||||||||
| 10 | 0.0787 | 2.00 | ≥80% | All Pass | ||||||||
| 12 | 0.0661 | 1.70 | ≥90% | ≥80% | All Pass | |||||||
| 14 | 0.0555 | 1.40 | ≥90% | ≥80% | All Pass | |||||||
| 16 | 0.0469 | 1.18 | ≥90% | ≥75% | All Pass | |||||||
| 18 | 0.0394 | 1.00 | ≥85% | ≥75% | All Pass | |||||||
| 20 | 0.0331 | 0.850 | ||||||||||
| 25 | 0.0280 | 0.710 | ≥85% | ≥70% | All Pass | |||||||
| 30 | 0.0232 | 0.600 | ||||||||||
| 35 | 0.0197 | 0.500 | ||||||||||
| 40 | 0.0165 | 0.425 | ≥80% | ≥70% | All Pass | |||||||
| 45 | 0.0138 | 0.355 | ||||||||||
| 50 | 0.0117 | 0.300 | ≥80% | ≥65% | All Pass | |||||||
| 80 | 0.007 | 0.180 | ≥75% | ≥65% | ||||||||
| 120 | 0.0049 | 0.125 | ≥75% | ≥60% | ||||||||
| 200 | 0.0029 | 0.075 | ≥70% | |||||||||
| GB | 2.5 | 2.0 | 1.7 | 1.4 | 1.2 | 1.0 | 0.7 | 0.4 | 0.3 | 0.2 | ||
包装形式
根据客户的使用情况和存储需要，圣世久浩可以提供不同种类的包装，达到充分便利于客户的目的。
1) 1吨/木箱包装(内含40个25公斤塑料桶)
2) 1吨/大编织袋包装(内含40个25公斤牛皮纸袋)
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