440 Material Stainless Steel Ball Solid Polishing Ball 6.35mm 1/4inch Ball Bearing Steel Ball

• Customization: Available
• Customized: Customized
• Certification: CE, ISO
• Model NO.: 6.35mm 1/4inch
• Universal: Yes
• Type: Bearing Ball
• Material: Stainless Steel
• MOQ: 100 Pieces
• Size: 0.8-80mm
• Grade: G10-G1000
• Surface: Shine Bright
• Usage: Bearing, Car, Furniture, Cosmetic and So on
• Packing: Oiled
• Hardness: 50-55
• Applicable Industries: Bearings,Auto Parts, Cosmetic
• Product Name: Stainless Steel Balls
• Ball Shape: Ground
• Vibration Value: Z3-Z4
• Integration Rate: Over 95%
• Delivery Time: 1-5 Days
• Transport Package: Steel Drum or Carton or as Customer′s Demand
• Specification: stainless steel
• Trademark: HLGQ
• Origin: Shandong China
• Production Capacity: 7000tons

Product Description

Product Info 
 

Basic Information
Material	420 440
Metric Size	0.5mm - 50mm
Inch Size	1/64" - 2"
Grade	G100 G200 G500 G1000

 

Chemical Composition
	201	304	316	420C	440C
%C	0.150 Max	0.080 Max	0.080 Max	0.43 - 0.50	0.95 - 1.20
%Si	1.00 Max	0.75 Max	1.00 Max	1.00 Max	1.00 Max
%Mn	5.50 - 7.50	2.00 Max	2.00 Max	1.00 Max	1.00 Max
%P	0.060 Max	0.045 Max	0.045 Max	0.040 Max	0.040 Max
%S	0.030 Max	0.030 Max	0.030 Max	0.030 Max	0.030 Max
%Cr	16.00 - 18.00	18.00 - 20.00	16.00 - 18.00	12.50 - 14.50	16.00 - 18.00
%Ni	3.50 - 5.50	8.00 - 10.50	10.00 - 14.00	-	-
%N	0.250 Max	0.100 Max	-	-	-
%Mo	-	-	2.00 - 3.00

 

Mechanical Properties
	201	304	316	420C	440C
Density	7.85 g/m^3	7.95 g/m^3	7.95 g/m^3	7.70 g/m^3	7.75 g/m^3
Hardness	25 - 39 HRC	10- 39 HRC	10 - 39 HRC	52 - 60 HRC	57 - 65 HRC
Tensile Strength	100 - 180 PSI×10^3	72 - 188 PSI×10^3	80 - 180 PSI×10^3	250 -  275 PSI×10^3	275 - 290  PSI×10^3
Young's Modulus	200 GPa	200 GPa	200 GPa	205 GPa

 

 

Production Process

About Us

      Shandong Hualu International Trade Co., Ltd. has over 100 employees and more than 20 years of production and research experience. It mainly produces bearing steel balls, stainless steel balls, ceramic balls, tungsten steel alloy balls, casting balls, stamping balls, plastic balls, copper balls, carbon steel balls, iron balls and other materials balls. We also can customize and process non-standard size balls(The standard grade:G10-G1000,The standard size:0.5-150mm).Our annual output value more than 8000 tons and annual sales revenue can reach 140 million yuan.


      We have advanced physical performance laboratories to ensure that product quality meets high standards. The products are widely used in aviation, aerospace industry, automotive industry, stainless steel bearings, medical equipment, precision instruments and other fields, and are exported to Southeast Asia, the Middle East, Russia, Europe, America, Africa and other countries and regions. Welcome friends from all over the world to consult and visit the factory.

 

 

 

FAQ

1Q: Can you provide samples?
A: Yes. We can offer it for free.

2Q: What about the MOQ?
A: Inventory items have no MOQ. If no stock, MOQ is 100KG.

3Q: Can you accept OEM/ODM?
A: Yes, we can. Customizing according to your requirement or drawing.

4Q: What's the delivery time?
A:Delivery on the same day for products weighing less than 500 kilograms in stock.

5Q: How about technical support and after-sales service?
A: We have a professional technical support team at your service at any time.

6Q. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

7Q: Do you have a factory?
A: Yes. Our factory is located in Linqing, Shandong.