China Stainless Steel Balls manufacturer

SS Stainless Steel Round Balls , 5.5 Mm Steel Balls 7/32" Magnetic HRC50-HRC55

Product Details:
Place of Origin: China
Brand Name: JN
Certification: SGS ISO
Model Number: 7/32" 5.556MM
Payment & Shipping Terms:
Minimum Order Quantity: 500kg
Price: Negotiable
Packaging Details: Ploy bag+25kg carton box+1000kg wooden box
Delivery Time: 7-15 days
Payment Terms: T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P
Supply Ability: 20 Tons per Month

Detail Information

Material: SS420 Product Name: Stainless Steel Ball
Hardness: HRC50-HRC55 Feature: Magnetic
Standard: AISI,DIN,ASTM,JIS,EN Brand: JN
High Light:

stainless steel round balls


round steel balls

Product Description

SS 420 Balls Stainless Steel Ball 420 7/32" With Magnetic 5.556MM Metal Beads


Martensitic hardened stainless steel balls


good hardness, corrosion resistance , wear and abrasion resistance.


Balls are provided in the passivated condition.


Basic Information

Material 420 420C
Size Range 0.5mm - 50.8mm
Grade G10 G16 G28 G100 G200 G500 G1000
Corrosion Resistance Corrosion Resistance



Chemical Composition

Material C Si Cr Mn P S Ni
420 0.15 % Max 1% Max 12%~14% 1% Max 0.040% Max 0.03% Max -


Mechanical Properties

Material Density Hardness Tensile Strength Magnetic
420 7.75 g/cm³ 48~55 HRC 95,000~250,000 psi Magnetic


International Standards


  201 304 316 420C 440C
JAP SUS201 SUS304 SUS316 - SUS440C
UK 201S01 304S15 316S16 - -
CHN 1Cr17Mn6Ni5N 0Cr18Ni9 0Cr17Ni12Mo2 4Cr13 9Cr18Mo
RUS 14Ch18N4G4L 08KH18N10 08KH16N11M3 40Kh13 95X18
ITA - X5CrNi18-10 X5CrNiMo1712 X46Cr13 X105CrMo17
FRA Z12CMN17-07Az Z7CN18-09 Z6CND17.11 Z34C14 Z100CD17
GER 1.4372 1.4301 1.4401 1.4034 1.4125

Corrosion Resistance


420C: Good corrosion resistance in industrial atmosphere, freshwater, steam, alcool, ammonium,


several oilfield products and organic compounds, dairy products, mild acid environments.


Fairish in foodstuff and alkaline solutions. Fair in salt atmosphere.


It does not resist in contact with sea water and strong acids (even if diluted).


Special bearings, anti-friction bearings, special pumps, recirculating balls, lighters, pens, automotive seatbelts & components.




SS Stainless Steel Round Balls , 5.5 Mm Steel Balls 7/32" Magnetic HRC50-HRC55 0

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