Chrome Steel Grinding Balls

Chrome Steel balls combine a very high density with very high hardness. Our chrome steel balls have excellent surface quality, high hardness and excellent wear properties, as a result of through hardening. Check your application and be aware they cannot be used for all applications because of the chrome in it.

Main specifications of Chrome Steel Grinding Balls AISI 52100 type BCR

International Equivalents for chrome steel balls:
AISI 52100, EN31, JIS G4805 SUJ2, Wks 1.3505

Item Value
C >0,95 – 1,10 %
Si 0,15 – 0,35 %
P max 0,03 %
S max 0,025 %
Cr 1,30 – 1,60 %
Mn <0,25 – 0,50 %
Density 7,85 g/cm3
Hardness (HRC) 60 – 66

Sizes

Above 60 different sizes in the range 0.250 mm – 200 mm.

Available chrome steel balls AISI 52100 (in stock) and weight

Artikel Diameter Per piece Per 450g, per kg,
per 1,9 kg, per 10 kg,
per 100 kg, per ton
In stock Number of Balls per KG (approx.) Weight per Ball (approx.)
BCR6-002.000 2.000 mm N/A Yes Yes 30.411
BCR6-002.500 2.500 mm N/A Yes Yes 15.570
BCR6-003.000 3.000 mm N/A Yes Yes 9.010
BCR6-003.175 3.175 mm (1/8’’) N/A Yes Yes 7.601
BCR6-003.500 3.500 mm N/A Yes Yes 5.674
BCR6-003.969 3.969 mm (5/32’’) N/A Yes Yes 3.891
BCR6-004.763 4.763 mm (3/16’’) N/A Yes Yes 2.251
BCR6-005.000 5.000 mm N/A Yes Yes 1.946
BCR6-005.556 5.556 mm (7/32’’) N/A Yes Yes 1.418
BCR6-006.350 6.350 mm (1/4’’) N/A Yes Yes 950
BCR6-007.000 7.000 mm N/A Yes Yes 709
BCR6-007.938 7.938 mm (5/16’’) N/A Yes Yes 486
BCR6-009.000 9.000 mm N/A Yes Yes 333
BCR6-009.525 9.525 mm (3/8’’) N/A Yes Yes 281
BCR6-011.000 11.000 mm N/A Yes Yes 182
BCR6-012.000 12.000 mm N/A Yes Yes 140
BCR6-012.700 12.700 mm (1/2’’) N/A Yes Yes 118
BCR6-015.875 15.875 mm N/A Yes Yes
BCR6-016.400 16.400 mm N/A Yes Yes
BCR6-024.600 24.6 mm Yes Yes Yes 16 61
BCR6-025.400 25.4 mm Yes Yes Yes 14 67
BCR6-030.000 30 mm Yes Yes Yes 9 111
BCR6-035.000 35 mm Yes Yes Yes 5 176
BCR6-040.000 40 mm Yes Yes Yes 3 263
BCR6-045.000 45 mm Yes Yes Yes 2 374
BCR6-050.800 50.8 mm Yes Yes Yes 1 538

Our time for delivery for most other sizes is approx 2 weeks.