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SphereTec Inc.
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Stainless Steel balls

The workhorse family — 300 series for corrosion, 400 series for hardness.

Stainless Steel balls
At a glance
Grades offered4
Call for pricing
440C

440C

Grade 100

440C Stainless Steel provides medium wear and mild corrosion resistance — an affordable hardened material (56-61 RC) suitable for valve, pump & bearing applications.

Size range1/4" – 4"
630SS (17-4PH)

630SS (17-4PH)

Grade 100

17-4 PH provides superior corrosion resistance, good resistance to stress-corrosion cracking and erosion-corrosion. Used in valve and pump applications.

Size range1" – 2"
SS302 – SS304

SS302 – SS304

Grade 200

Slightly magnetic stainless steels providing excellent corrosive properties. Used in food and chemical applications.

Size range1" – 3"
SS316

SS316

Grade 200

316 Stainless Steel provides superior corrosion resistance and higher resistance to pitting. Non-magnetic, used in valve and petroleum industries as well as food and dairy processing.

Size range1" – 4"

Ready to order stainless steel?

Give us the grade, size and quantity — we quote and take card payment on the call.

Sales & quotes (432) 339-9151