6.35mm 1/4'' 1/4 Inch Chrome Steel Ball G100

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6.35mm 1/4'' 1/4 Inch Chrome Steel Ball G100

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Product Description

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Basic Info

Model NO.:6.35mm 1/4'' 1/4 inch

Type:Bearing Ball

Material:Chrome Steel

Grade:300 Series / G10-1000

Hardness:58-65 HRC

Size Range:0.5-200mm

Density:7.835g/cm3

Standard:AISI, ASTM, DIN, EN, GB, JIS

Surface:High Polished

Magnetic:Yes

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Product Description

This is an oil hardened steel, which is universally used by the ball and roller bearing industry. This steel has very good hardness, very good physical characteristics and excellent wear resistance.

Maximum material strength and fair corrosion resistance.
Characteristics: Resist alcohol, food environments, fresh water, many petroleum products, organic materials and steam.
Applications: Bearings, valves, locking mechanisms, fasteners, bicycles, automobile industry and quick-disconnect couplings.

Chemical Composition (%)
Spec.	C	Si	Mn	S	P	Cr	Mo	Cu	Al	O
Min.	0.93	0.15	0.25	---	---	1.35	---	---	---	---
Max.	1.05	0.35	0.45	0.015	0.025	1.65	0.1	0.3	0.05	0.0015

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Manufacture Process

Step 1: Heading	Ball blanks are cold headed from rolls of wire.
Step 2: Flashing	Rolling balls between two hard alloy plates to remove slight bands and small protrusions.
Step 3: Heat Treat	Heating balls to a high temperature in furnace and quenching in a liquid bath.
Step 4: Rough Grind	Rolling balls between a fixed iron plate and a hard fire-grit grinding wheel.
Step 5: Cleaning	Final production operation to clean the finished balls and add a shiny luster.
Step 6: Inspection	Gauged and visually inspected to ensure customer specifications are achieved.

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Packaging & Shipping

Type 1: Plastic bag + box + carton + wooden pallet
Type 2: Plastic bag + carton + wooden pallet
Type 3: Export cartons, steel drums, wooden pallets (20kg-25kg per carton)

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Why Choose Us

100% guarantee for quality with BV and ISO certification (ISO 3290, TS16949, SGS).

Over 30 years of professional manufacturing experience in steel balls.

Advanced production and testing equipment for rigorous quality standards.

Professional export sales and service team available 24/7.

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Frequently Asked Questions

1. What materials of steel balls can you supply? We supply Carbon, Chrome, Stainless Steel, Aluminium, Copper, Brass balls, and more, ranging from 0.8mm to 150mm.

2. What is the typical lead time for an order? If the items are in stock, it takes 2-5 days. For custom or large orders, it typically takes 20-35 days depending on the quantity.

3. How are the products packaged for shipping? Standard packing is 20kg to 25kg per carton, and 1 ton per wooden pallet to ensure the goods arrive in good condition.

4. Which shipping method is recommended for small quantities? For small quantities requiring fast delivery, we highly recommend shipping by Express.

5. What payment methods do you accept? We accept various payment methods including T/T, Western Union, and L/C.

6. How do you ensure the quality of the steel balls? Every steel ball is subjected to visual inspection and gauged using advanced testing equipment under serious quality standards before packaging.