Quick Contact »




* Indicates a Required Field

If requesting a quote, click here to provide more information

302 Stainless Steel Miniature Balls

AISI 302 stainless steel balls offer excellent corrosion resistance in organic, industrial and marine environments. Non-magnetic properties are combined with exceptional toughness at all temperatures, making these balls excellent selections for many applications including aerosol sprayers, finger pump mechanisms and food processing equipment.

NEMB is an experienced 302 stainless steel ball manufacturer that is dedicated to our clients’ success! Whatever your industrial application is, New England Miniature Ball can help you find the right solution for your unique requirement. Fill out the Quick Contact form above to learn more about our 302 stainless steel ball offerings!

Passivation is available upon request.

MATERIAL CONVERSION STANDARDS – 302 Stainless Steel

MATERIAL AISI FEDERAL UNS ASTM JIS AMS
Stainless Steel 302 QQ-S-763 S-30200 A276-89 5636

Material Analysis:

AISI 302 Stainless Steel Balls can be supplied either annealed or non-annealed. Non-annealed hardness is typically within a range of Rockwell "C" 25 - 39. Annealed hardness as measures on parallel flats is typically within a range of Rockwell "B" 75 to 90 and is available upon request.

CHEMICAL ANALYSIS MECHANICAL PROPERTIES
Carbon .15% Max Tensile Strength 100,000 to 180,00 psi
Chromium 17 to 19% Yield Strength 50,000 to 150,000 psi
Manganese 2% Max Elongation in two inches (Annealed) 50%
Silicon 1% Max Reduction in area 55 to 60%
Phosphorus .045% Max Modulus of elasticity 28,000,000 psi
Sulfur .03% Max Density .286 lbs./cu. In.
Nickel 8 to 10%    

Available Grades and Sizes:

GRADE SIZE RANGE
  Inches Millimeters
100, 200, 500 0.015" - 0.160" 0.5mm - 4mm
48 0.030" - 0.160" 0.8mm - 4mm

Balls per Pound:

SIZE # BALLS PER POUND
Inch Metric  
.015   1,978,624
.020   834,732
.025   427,383
1/32   217,773
0.0394 1mm 109,431
3/64   64,732
1/16   27,352
5/64   14,018
0.0787 2mm 13,700
3/32   8,100
7/64 -   5,100
0.1181 3mm 4,054
1/8   3,420
9/64   2,403
5/32   1,749
0.157 4mm 1,726

Contact us for more information on these or any other materials.