Project Description

Chrome Steel Balls

E52100 chrome balls offer excellent wear and are extremely durable. Typical applications include ball bearings, ball screws, linear bearings, ball bushings and general industrial uses such as ballizing and tumbling media.

If you’re in the market for 52100 chrome balls, look no further than NEMB! We’re always excited to work with a new client, and the production of the 52100 chrome ball is one of our specialties. Fill out the Quick Contact form above to learn more about how New England Miniature Ball can help you on your path to success!

Equivalent Grades

GermanyJapanUKChinaFranceSwedenSouth KoreaRussia
ASTM A295DIN 17230JIS G4805BS 970GB/T 18254ISO 283/17NF A35-565KS D3525ΓOCT 801No.
52100100Cr6SUJ2EN31 (535A99)GCr15100Cr6100C6SKF3STB2ШХ151.3505

Material Standard: ASTM A295/A295M; SAE AIR4127; AMS6440; AMS6444; FED-STD-66; MIL-B1083, Government MS 19059.

Heat Treating: We can provide NADCAP Heat Treating to meet AMS2759; AMS2759/2 with a standard HR/C of 60-67; Boeing Approved BAC5617, Lockheed Martin approved; CQI-9; MIL-H-6875; and AMS-H-6875.

We can also meet a microstrucure that is finer than 8.0 grain size per ASTM E112 and less than 7.0% retained austenite per ASTM E975.

Chemical Compositon

Carbon0.98 to 1.10%
Chromium1.30 to 1.60%
Manganese0.25 to 0.45%
Silicon0.15 to 35%
Phosphorus0.025% Max
Sulfur0.025% Max
Nickel0.25% Max
Molybdenum0.10% Max

Mechanical Properties

Tensile Strength325,000 psi
Yield Strength295,000 psi
Elongation in two inches5%
Reduction in area8%
Modulus of elasticity29,500,000 psi
Density.283 lbs./cu. In.

Size RangeGrade RangeStandardApplications
.015625″ – 0.250″5 – 500Grade 24
  • Bearings
  • Ball screws
  • Automotive
  • Valves
  • Couplings
  • Locks
  • Slides
  • Conveyers