Products

CHROME STEEL BALLS
AISI 52100 100Cr6, 1.3505

These balls are normally used in precision ball bearings and many industrial applications.

The balls made of this kind of material feature excellent surface finish, considerable hardness and a high load carrying capacity, as well as excellent wear and deformation resistance.

Chrome steel balls are through hardened in order to achieve the maximum mechanical strength.

Diameters: mm 0.3 to mm 150

Precision grades:
Grade 5–10–16–20–28–40–80–100–200–500–700–1000 as per ISO 3290 - DIN 5401 AFBMA

Equivalent materials to international standards:
AFN 100C6 – B.S. EN 31 – JIS G4805 – SUJ2 – ASTM 100 Cr6

CHEMICAL COMPOSITIONS % *
C	Si	Mn	P	S	Cr
0,90	0,15	0,25	0,025	0,025	1,30
1,10	0,35	0,45	max	max	1,60

Through hardness index: *

up to 12,7 mm	HRC 60/67
from 12,70 mm to 50,80 mm	HRC 60/67
from 50,8 mm to 70 mm	HRC 59/67
from 70 mm to 120 mm	HRC 57/67

Mechanical properties:*

Critical tensile strength:	228 kgf/mm²
Compression strength:	207 kgf/mm²
Modulus or elasticity:	20,748 kgr/mm²
Specific weight:	7,830 kgf/mm²