Diameter (mm.) | Tolerance | |||
General Standard | Jis Standard | |||
Class7 | Class8 | Class9 | ||
over 0.8 – 3.0 | +0 | +0 | +0 | +0 |
+0.02 | -0.01 | -0.014 | -0.025 | |
over 3.0 – 6.0 | +0 | +0 | +0 | +0 |
+0.03 | -0.12 | -0.018 | -0.03 | |
over 6.0 – 10.0 | +0 | +0 | +0 | +0 |
+0.04 | -0.15 | -0.022 | -0.036 | |
over 10.0 – 25.4 | +0 | +0 | +0 | +0 |
+0.04 | -0.021 | -0.027 | -0.043 |
Length | Tolerance |
1 | + / – 6.6 |
2 | + / – 13.3 |
3 | + / – 20.0 |
4 | + / – 26.6 |
5 | + / – 33.3 |
6 | + / – 40.0 |
Grade | Tensile Strength (kgf/mm2) | Vickers Hardness :HV |
303 , 304 , 316 , series 3 | 60 – 100 | 170 – 300 |
420 , 410 , series 4 | 50 – 100 | 150 – 300 |
Length,L | Deflection,D |
Every 1000 mm. for length | 0.10 mm. |
Every 300 mm. for length | 0.05 mm. |