STS-Wire
Free cutting wire
Free cutting wire type
| Description | Tensile Strength | Used |
|---|---|---|
| Austenite | AISI 303 (1.4305) | Shaft type, PIN type |
| AISI 303C | ||
| AISI 305 (1.4303) | ||
| AISI 202 (1.4373) | ||
| Martensite | AISI 420J2 (1.4028) | Sterilize type, Measuring apparatus , Medical type |
| AISI 420F (1.4029) |
Free cutting wire standard
| Linear diameter(mm) | A type(soft line) | Linear diameter(mm) | B type(1/8 HARD) |
|---|---|---|---|
| Tensile strength (kgf/mm 2) |
Tensile strength (kgf/mm 2) |
||
| 0.8~1.4 | 64~84 | 0.8~2.9 | 80~98 |
| 1.6~2.9 | 61~81 | 3.2~4.8 | 75~95 |
| 3.2~4.8 | 55~75 |
Allowable error and Average error
| Linear diameter(mm) | Hard allowable error(mm) | Average error(mm) | Remarks | ||
|---|---|---|---|---|---|
| Manufacturing practices | Desired value | Manufacturing practices | Desired value | ||
| 0.80~0.90 | ± 0.010 | - 0.007 | 0.010 below | 0.004 below | |
| 0.91~1.80 | ± 0.015 | - 0.010 | 0.015 below | 0.005 below | |
| 1.81~3.20 | ± 0.020 | - 0.015 | 0.020 below | 0.008 below | |
| 3.21~4.80 | ± 0.025 | - 0.020 | 0.025 below | 0.010 below | |
| Linear diameter(mm) | Hard allowable error(mm) | Average error(mm) | Remarks | ||
|---|---|---|---|---|---|
| Manufacturing practices | Desired value | Manufacturing practices | Desired value | ||
| 0.80~1.00 | ± 0.007 | - 0.007 | 0.007 below | 0.004 below | |
| 1.01~1.40 | ± 0.010 | - 0.010 | 0.010 below | 0.005 below | |
| 1.40~2.60 | ± 0.013 | - 0.013 | 0.013 below | 0.007 below | |
| 2.61~4.80 | ± 0.015 | - 0.015 | 0.015 below | 0.008 below | |
