English
一. 锻造钢球生产工艺流程
原材料检验——中频炉加热——旋切成球——淬火处理——回火处理——检测——包装
二. 锻造钢球生产工艺流程
原材料检验——下料——中频炉加热——锻造（辊锻）成球——淬火处理——回火处理——检测——包装
三.锻造钢球规格型号
钢球直径 | 60型材质 | B2型材质 | B3型材质 | BU型材质 | ||||||||
表面硬度 | 内心硬度 | 冲击值 | 表面硬度 | 内心硬度 | 冲击值 | 表面硬度 | 内心硬度 | 冲击值 | 表面硬度 | 内心硬度 | 冲击值 | |
φ25 | 60-65 | 58-63 | ≥12J/CM2 | |||||||||
φ30 | 60-65 | 55-60 | ≥12J/CM2 | |||||||||
φ35 | 60-65 | 55-60 | ≥12J/CM2 | |||||||||
φ40 | 60-65 | 55-63 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ50 | 60-65 | 45-50 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ60 | 60-65 | 42-47 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ70 | 60-65 | 40-45 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ75 | 60-65 | 40-45 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ80 | 60-65 | 37-42 | ≥12J/CM2 | 60-65 | 60-65 | ≥12J/CM2 | ||||||
φ90 | 60-65 | 37-42 | ≥12J/CM2 | 58-63 | 52-60 | ≥12J/CM2 | ||||||
φ100 | 58-63 | 37-42 | ≥12J/CM2 | 53-58 | 42-58 | ≥12J/CM2 | 58-62 | 58-60 | ≥14J/CM2 | 60-65 | 60-65 | ≥14J/CM2 |
φ110 | 55-63 | 35-40 | ≥12J/CM2 | 53-58 | 45-50 | ≥12J/CM2 | 58-62 | 58-60 | ≥14J/CM2 | 60-65 | 60-65 | ≥14J/CM2 |
φ120 | 55-63 | 35-40 | ≥12J/CM2 | 53-58 | 45-50 | ≥12J/CM2 | 55-62 | 58-60 | ≥14J/CM2 | 60-65 | 60-65 | ≥14J/CM2 |
φ125 | 50-55 | 35-40 | ≥12J/CM2 | 53-58 | 45-50 | ≥12J/CM2 | 55-62 | 52-58 | ≥14J/CM2 | 60-65 | 58-63 | ≥14J/CM2 |
φ130 | 50-55 | 35-40 | ≥12J/CM2 | 53-58 | 40-45 | ≥12J/CM2 | 55-58 | 50-55 | ≥14J/CM2 | 60-65 | 58-63 | ≥14J/CM2 |
φ140 | ≥12J/CM2 | 53-58 | 40-45 | ≥12J/CM2 | 55-58 | 45-55 | ≥14J/CM2 | 60-65 | 55-60 | ≥14J/CM2 | ||
φ150 | ≥12J/CM2 | 53-58 | 40-45 | ≥12J/CM2 | 55-58 | 40 | ||||||
Inch | Size | T weight | Tolerance(mm) | Material | Surface hardness(HRC) | Volume hardness(HRC) |
参考 | 规格 | 理论重量 | 公差 | 材料 | 表面硬度(HRC) | 体积硬度(HRC) |
3/4" | D20MM | 0.037+/-0.005 | 2+/-1 | B2 | 63-66 | 63-66 |
1" | D25MM | 0.072+/-0.01 | 2+/-1 | B2 | 63-66 | 63-66 |
11/4" | D30MM | 0.13+/-0.02 | 2+/-1 | B2 | 63-66 | 63-66 |
11/2" | D40MM | 0.30+/-0.04 | 2+/-1 | B2 | 62-66 | 62-66 |
2" | D50MM | 0.6+/-0.05 | 2+/-1 | B2 | 62-65 | 61-64 |
21/2" | D60MM | 1.0+/-0.05 | 2+/-1.5 | B2 | 62-65 | 60-62 |
21/2" | D65MM | 1.3+/-0.05 | 2+/-1.5 | B2 | 61-64 | 60-62 |
21/2" | D65MM | 1.3+/-0.05 | 2+/-1.5 | B3 | 61-63 | 60-62 |
3" | D75MM | 2.0+/-0.06 | 3+/-2 | B3 | 61-63 | 60-62 |
3"(Hot rolled) | D80MM | 2.0+/-0.06 | 3+/-2 | B3 | 60-63 | 60-62 |
3"(Forged) | D80MM | 2.1+/-0.06 | 3+/-2 | B3 | 60-62 | 53-57 |
31/2" | D90MM | 3.0+/-0.07 | 3+/-2 | B3 | 60-63 | 59-62 |
4" | D100MM | 4.1+/-0.15 | 3+/-2 | B3 | 60-63 | 59-62 |
4.5" | D115MM | 6.3+/-0.15 | 3+/-2 | B3 | 60-63 | 57-60 |
5" | D125MM | 8.1+/-0.3 | 3+/-2 | B3 | 59-62 | 55-60 |
Chemical composition 化学成分 | B2 C:0.72-1.03,Si:0.15-0.35,Mn:0.30-1.20,Cr:0.2-0.80,P:≤0.035，S：≤0.035，Ni≤0.25， | |||||
B3 C:05-.53-0.88,Si:1.2-2.00,Mn:0.50-1.20,Cr:0.4-1.20,P:≤0.035，S：≤0.035，Ni≤0.25， | ||||||
