我公司生产的锻造钢球和铸造钢球如下：
1.45#钢锻造钢球
Diameter: 20mm-180mm ; Hardness: HRC55-60
Chemical composition:C: 0.45-0.56; Si: 0.15-0.37; Mn: 0.6-1.0; S & P: 0.035Max; Cr: 0.25Max.
2. 60Mn锻造钢球
Diameter: 20mm-180mm ; Hardness: HRC55-65
Chemical composition:C: 0.57-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max.
3. B2锻造钢球
Diameter: 20mm-180mm ; Hardness: HRC58-65
Chemical composition: C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.50-0.70.
4. 高铬铸球
Diameter: 12.7mm-120mm ; Hardness: HRC58-65;
Chemical composition: Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;
5. 低铬铸球
Diameter: 12.7mm-120mm ; Hardness: HRC47-55;
Chemical composition:Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;
6.中铬球
Diameter: 12.7mm-120mm ; Hardness: HRC49-60;
Chemical composition: Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;