High- Precision Stainless Steel Ball Bearings

• Customization: Available
• Size: AISI316 7.937mm
• Samples: Free
• Model NO.: Fuqin 00870
• Quality: ISO9001:2015
• Standard: ISO3290
• Transport Package: Plastic Bag - Box - Carton - Case
• Specification: 7.937mm
• Trademark: Fuqin
• Origin: China
• HS Code: 84829100
• Production Capacity: 500, 000PCS/Week

Product Description

 

Company Profile

Qingdao Fuqin Imp. & Exp. Co., Ltd. is a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer's requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc. If you have any needs, please feel free to contact us.

Product Description

Stainless steel balls

Applications:
               For 300 series stanless steel balls, they are used in Trigger sprayers,Bearings,Dispenser valves,Body jewelry lotion pumps, and so on.

               For 400 series stainless steel balls, they are most used in Bearing applications,Valve, Locking mechanisms,Fasteners,and so on.

Chermical Composition:
 

AISI Number	C%	Si%	Mn%	Cr%	Ni%	Mo%	P%	S%	property
AISI 304	0.07 MAX	1.00 MAX	2.00 MAX	17.0~ 19.0	8.0~ 10.5		0.045 MAX	0.03 MAX	Slightly magnetic,flat surface HRC 25min.
AISI 316	0.07 MAX	1.00 MAX	2.00 MAX	16.5~ 18.5	10.5~ 13.5	2.00~ 2.50	0.045 MAX	0.03 MAX	Better corrosion resistance than SS304 specially against Sulfuric acid and ink/bleach/nitric
AISI 420	0.07~ 0.25	1.00 MAX	1.00 MAX	12.0~ 14.0			0.045 MAX	0.03 MAX	Magnetic,martensite steel. flat surface HRC 50min, better corrosion resistant
AISI 430	0.08 MAX	1.00 MAX	1.00 MAX	15.5~ 17.5			0.045 MAX	0.03 MAX	Ferritic stainless steel,better corrosion resistant than 3series at higher temperature
AISI 440	0.95~ 1.20	1.00 MAX	1.00 MAX	16.0~ 18.0			0.045 MAX	0.02 MAX	Martensite,fair corrosion to water,alcohol,oil and food product.

Hardness: HRC25-39 ( without demagnetization treatment)
                 special hardness can be made according to the customer's requirement.

Ball Surface:Bright, Zero Defect

Certification:ISO 9001:2015

Safe:RoHS SGS

Export Markets:Global

Package:  Normal package or customize as per the customer's requirement. Below is the nomal package ways.

                Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.
                Step 2: Sealed plastic bags
                Step 3: Put sealed plastic bags into small boxes.
                Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date......
                Step 5: Each box directly put into plywood case.

Service

We would like to offer you services as:
- Instant improvement and design of products
- Quick response to the prices
- Complete inspection report
- Traceable
- Perfect logistic

We hope that our products can offer better quality support for you!