Chrome steel balls:
Dia:10mm-130mm, 8*8mm-35*40mm, HRC:42min, Microstucture:P+C
C:2. 0-3. 2, Si:1. 2max, Cr:2. 0-7. 0, Mn:0. 5-1. 5
Middle Chromium Mini_Balls, chrome steel balls:

Chemical composition(%)

C Si Mn Cr S·P Mo, Al, Cu, Ni, Nb, Ti, Zr, V, B, Mg

2. 0-3. 2 ≤1. 2 0. 5-1. 5 2. 0-7. 0 ≤0. 15 A little
properties and microstructure:

Microstructure AK(J/c) HRC

P(Fine)+C ≥2. 5 ≥40mm, The HRC45-52; ≤30mm, HRC ≥42

(P. S: P Fine-Fine Pearlite C-Carbide)

specification(mm)of Middle Chromium Mini_Balls:

Φ10
Φ12
Φ15
Φ17
Φ20
Φ25

Φ30
Φ40
Φ50
Φ60
Φ70
Φ80

Φ90
Φ100
Φ110
Φ120
Φ130

specification(mm)of Middle Chromium Casting Bars:

Φ8×8
Φ10×10
Φ10×12
Φ12×12

Φ12×14
Φ14×14
Φ14×16
Φ16×16

Φ16×18
Φ18×18
Φ18×20
Φ20×20

Φ20×25
Φ25×30
Φ30×35
Φ35×40