销售批发抛丸机一系列钢丸,支持各种规格配件定制,详情请垂询
抛丸机磨料:铸钢丸、合金钢丸
铸钢砂、合金钢砂
不锈钢丝切丸
钢型 | 钢号 | 化学成分 | ||||||||||
C | Cr | Ni | Mn | P | S | Mo | Si | Cu | N | 其他 | ||
奥氏体型 | 201 | ≤0.15 | 16.00-18.00 | 3.50-5.50 | 5.50-7.50 | ≤0.060 | ≤0.030 | ≤1.00 | ≤0.25 | |||
202 | ≤0.15 | 17.00-19.00 | 4.00-6.00 | 7.50-10.00 | ≤0.060 | ≤0.030 | ≤1.00 | ≤0.25 | ||||
301 | ≤0.15 | 16.00-18.00 | 6.00-8.00 | ≤2.00 | ≤0.065 | ≤0.030 | ≤1.00 | |||||
302 | ≤0.15 | 17.00-19.00 | 8.00-10.00 | ≤2.00 | ≤0.035 | ≤0.030 | ≤1.00 | |||||
304 | ≤0.07 | 17.00-19.00 | 8.00-10.00 | ≤2.00 | ≤0.035 | ≤0.030 | ≤1.00 | |||||
316 | ≤0.08 | 16.00-18.50 | 10.00-14.00 | ≤2.00 | ≤0.035 | ≤0.030 | 2.00-3.00 | ≤1.00 | ||||
马氏体型 | 430 | ≤0.12 | 16.00-18.00 | 0 | ≤1.25 | ≤0.035 | ≤0.030 | ≤0.75 |
筛网号 | 英寸 | 筛网孔径 | SAEJ444钢丸 | |||||||||||
S930 | S780 | S660 | S550 | S460 | S390 | S330 | S280 | S230 | S170 | S110 | S70 | |||
6 | 0.132 | 3.35 | AllPass | |||||||||||
7 | 0.111 | 2.80 | AllPass | |||||||||||
8 | 0.0937 | 2.36 | ≥90% | AllPass | ||||||||||
10 | 0.0787 | 2.00 | ≥97% | ≥85% | AllPass | AllPass | ||||||||
12 | 0.0661 | 1.70 | ≥97% | ≥85% | ≤5% | AllPass | ||||||||
14 | 0.0555 | 1.40 | ≥97% | ≥85% | ≤5% | AllPass | ||||||||
16 | 0.0469 | 1.18 | ≥97% | ≥85% | ≤5% | AllPass | ||||||||
18 | 0.0394 | 1.00 | ≥96% | ≤5% | AllPass | |||||||||
20 | 0.0331 | 0.850 | ≥85% | ≤10% | AllPass | |||||||||
25 | 0.0280 | 0.710 | ≥96% | ≥85% | ≤10% | |||||||||
30 | 0.0232 | 0.600 | ≥96% | ≥85% | ||||||||||
35 | 0.0197 | 0.500 | ≥97% | |||||||||||
40 | 0.0165 | 0.425 | ≥85% | AllPass | ||||||||||
45 | 0.0138 | 0.355 | ≥97% | ≤10% | ||||||||||
50 | 0.0117 | 0.300 | ≥80% | |||||||||||
80 | 0.007 | 0.180 | ≥90% | ≥80% | ||||||||||
120 | 0.0049 | 0.125 | ≥90% | |||||||||||
200 | 0.0029 | 0.075 | ||||||||||||
GB(单位:mm) | 2.8 | 2.5 | 2.0 | 1.7 | 1.4 | 1.2 | 1.0 | 0.8 | 0.6 | 0.4 | 0.3 | 0.2 |
项目 | 国家标准钢丸 | 高质量钢丸 | |
化学成分% | 碳 C | 0.85-1.20 | 0.85-1.0 |
硅 SI | 0.40-1.20 | 0.70-1.0 | |
锰 Mn | 0.60-1.20 | 0.75-1.0 | |
硫 S | <0.05 | <0.030 | |
磷 P | <0.05 | <0.030 | |
硬度 | 钢丸 | HRC40-5 HRC55-62 |
HRC44-48 HRC58-62 |
密度 | 钢丸 | ≥7.20g/cm3 | 7.4g/cm3 |
金相组织 | 回火马氏体或屈氏体 | 回火马氏体+贝氏体 复相组织 | |
外观 | 圆形球 空心颗粒<10% 裂纹颗粒<15% |
圆形球 空心颗粒<5% 裂纹颗粒<10% |
名称 | 铸钢砂 | |
化学成分 | 碳(C) | 0.70—1.2% |
锰(Mn) | 0.60—1.2% | |
硅(SI) | 040—1.2% | |
硫(S) | ≤0.05% | |
磷(P) | ≤0.05% | |
平均硬度(500g核载下测定) | ||
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 | |
最下密度(酒精置换法测定) | 7.4g/cm³ |