| GB308-89 & ISO3290 STANDARD |
|---|
| 材質(zhì) | 化學成分（%） |
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| AISI440C | 0.95-1.20 | 1.00max | 1.00max | 0.040max | 0.030max | 0.60max | 16.0-18.0 | 0.75max | ---- |
| AISI420 | 0.42-0.50 | 1.00max | 1.00max | 0.040max | 0.030max | 1.00max | 12.5-14.5 | ---- | 0.30max |
| AISI304 | 0.08max | 1.00max | 2.00max | 0.045max | 0.030max | 8.00-10.5 | 18.0-20.0 | ---- | ---- |
| AISI316 | 0.08max | 1.00max | 2.00max | 0.045max | 0.030max | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | ---- |
| AISI52100 | 0.95-1.10 | 0.15-0.35 | 0.50max | 0.025max | 0.025max | ---- | 1.30-1.60 | ---- | ---- |
| 等級 | 球直徑變動量 | 球形 誤差 | 批直徑變動量 | 表面粗糙度 | 規(guī)值 間距 | 規(guī)值 | 分規(guī)值間距 | 分規(guī)值 (單位：mm) |
| G3 | 0.08 mm | 0.08 mm | 0.13 mm | 0.012 mm | 0.5 mm | -5mm~-0.5mm,0+0.5~+5 mm | 0.1 mm | -0.2,-0.1,0,+0.1,+0.2 |
| G5 | 0.13 mm | 0.13 mm | 0.25 mm | 0.02 mm | 1 mm | -5mm~-1.0mm,+1mm~+5 mm | 0.2 mm | -0.4,-0.2,0,+0.2,+0.4 |
| G10 | 0.25 mm | 0.25 mm | 0.5 mm | 0.025 mm | 1 mm | -9mm~-1.0mm,+1mm~+10 mm | 0.2 mm | -0.4,-0.2,0,+0.2,+0.4 |
| G16 | 0.4 mm | 0.4 mm | 0.8 mm | 0.032 mm | 2 mm | -10mm~-2.0mm,+2mm~+10 mm | 0.4 mm | -0.8,-0.4,0,+0.4,+0.8 |
| G20 | 0.5 mm | 0.5 mm | 1 mm | 0.04 mm | 2 mm | -10mm~-2.0mm,+2mm~+10 mm | 0.4 mm | -0.8,-0.4,0,+0.4,+0.8 |
| G28 | 0.7 mm | 0.7 mm | 1.5 mm | 0.05 mm | 2 mm | -12mm~-2.0mm,+2mm~+12 mm | 0.4 mm | -0.8,-0.4,0,+0.4,+0.8 |
| G40 | 1 mm | 1 mm | 2 mm | 0.08 mm | 4 mm | -16mm~-4.0mm,+4mm~+16 mm | 0.8 mm | -1.6,-0.8,0,+0.8,+1.6 |
| G60 | 1.5 mm | 1.5 mm | 3 mm | 0.10 mm | 5 mm | -20mm~-5.0mm,+5mm~+20 mm | 1 mm | -2,-1,0,+1,+2 |
| G100 | 2.5 mm | 2.5 mm | 5 mm | 0.125 mm | 10 mm | -40mm~-10.0mm,+10mm~+40 mm | 2 mm | -4,-2,0,+2,+4 |
| G200 | 5 mm | 5 mm | 10 mm | 0.2 mm | 15 mm | -60mm~-15.0,mm+15mm~+60 mm | 3 mm | -6,-3,0,+3,+6 |
