1, Material: S45C; S35C;40Cr;NM360;stainless steel

2, Specifications: Φ3 ~ Φ40mm

3, Length: 100-600mm

4, Straightness: 0.01

5, Roundness: 0.005

6, Cylindricity: 0.01

7, Concentricity: 0.02---0.03

8, Surface roughness: Ra0.063~0.08

9, Induction hardness: HRC40~HRC58

10, Case depth: 0.4~1.5 mm

11, Thickness of chromed: 15~25µm

12, Hardness of coating: 900Hv-1200Hv

13, Cracks: 400 ~ 800per/cm

14, Salt spray: 48hrs no. 7~120hrs no. 8

15, Dehydrogenation