Low carbon steels AISI 1010 and AISI 1015 have good machining abilities such as forging,welding and cutting.Low carbon steel balls are widely used in various kinds of precision machinery,light bearings,conveyer belts,slide drawers,furniture castors,etc.
Chemical Analysis
| AISI 1010 | GB/T 18254 10 | AISI 1015 | GB/T 18254 15 | |
| C | 0.08~0.13 | 0.07~0.13 | 0.13~0.18 | 0.12~0.18 |
| Si | 0.15~0.35 | 0.17~0.37 | 0.15~0.35 | 0.17~0.37 |
| Mn | 0.30·0.60 | 0.35~0.65 | 0.30·0.60 | 0.35~0.65 |
| P | 0.030max | —— | 0.030max | —— |
| S | 0.050max | —— | 0.050max | —— |
| Cr | —— | 0.15max | —— | 0.25max |
| Ni | —— | 0.30max | —— | 0.30max |
| Cu | —— | 0.25max | —— | 0.25max |
Size ranges and Grade: 1mm~25.4mm,G40~G1000
Hardness(according to Chinese Standard GB/T 308-2002)
| Dw/mm | Hardness | |
| over | to | HRC |
| -- | 30 | 61--66 |
| 30 | 50 | 59--64 |
| 50 | -- | 58--64 |
Case depth (According to JB 5301-91)
| Dw(mm) | Minimum Case Depth(mm) | |
| ＞ | ≤ | |
| 2.000 | 3.000 | 0.5 |
| 3.000 | 4.000 | 0.6 |
| 4.000 | 5.000 | 0.8 |
| 5.000 | 6.000 | 0.9 |
| 6.000 | 9.000 | 1.1 |
| 9.000 | 11.000 | 1.4 |
| 11.000 | 12.000 | 1.7 |
| 12.000 | 14.000 | 1.8 |
| 14.000 | 19.000 | 1.9 |
| 19.000 | 26.000 | 2.0 |
