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Steel Balls for Valves, Bearings, with Diameter From 2 to 25mm (JCBALLS)

price: 面议
Total supply:
Delivery term: The date of payment from buyers Deliver within days
seat: Asia-Pacific China
Validity to: Long-term effective
Last update: 2016-09-16 05:58
Browse the number: 8
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Product details

Quick Details

Price Valid Time:From Aug 08, 2012 To Aug 07, 2013
Material:Stainless Steel
Payment Terms:L/C, T/T
Min. order:1 Pieces
Packing:Plastic Bags, Carton, Drum
Export Markets:Global
Trade Terms:FOB, CIF


Diameter: 2 to 25mm
Class: G20 to G1000
Materials: Stainless steel 420, 440C, 52100 (GCr15)
Balls are formed into rough spheres on cold heading, hot forging/rolling machines
Flashing: Balls are ground under pressure between rotating grooved case iron plates to improve sphericity
Heat treatment: Balls are through hardened by heating to 840 degrees C and quenching
They are then tempered to remove excess stresses
Hard grinding: Hardened balls are then ground under pressure between a rotating grinding wheel and a stationary cast iron plate
Finish lapping: Balls are carefully lapped to their final dimensions between grooved cast iron plates, one rotating and stationary

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