AISI304, AISI316 AISI420 AISI440 Stainless Steel Bearing Balls
Qingdao Fuqin Imp. & Exp. Co., Ltd. It is a professional export company for the manufactures.The mother companies are steel ball and roller plants, which was founded in 1998. We have passed ISO9001 for steel balls and ISO/TS16949 for bearing rollers.
Chrome steel balls
Applications:
Bearing/Automotive
Cosmetics/Construction
Body,Jewelry/Heavy Equipment
Hunting cartridge
Detail:
Chrome steel - GCr15/100Cr6/AISI 52100/SUJ-2
Chemical Composition
Stainless steel ball
Applications
For 300 series
Trigger sprayers,Bearings,Dispenser valves,
Body jewelry lotion pumps,Aerospace,Quick
Disconnect couplings
For 400 series
Bearing applications,Valve applications,
Locking mechanisms,Fasteners,Quick
Detail:
Stainless steel - AISI 302/304/304L/316/316L
-AISI 420/420C/430/440C
AISI304 and AISI316 are soft materials. For AISI420C after heat-treatment, the hardness is between HRC54-60. For AISI440C is HRC58-62
Chemical Composition
PACKAGING
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 mooden 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
Questions & Answers
1. Are you manufacturer or trading company?
We are both of manufacturer and trading company. We produce steel ball and roller for bearing by ourself and also sourcing some of them from other suppliers.
2. What's your strength?
A. Being a professional manufacturer in the industry for years
B. Wide range of balls and roller for your option
C. Having cooperation with most of suppliers in the industry, which will allow us to provide you what in need.
D. SKF is one of our long term customer and you can rest assured about the quality.
E. Strictly and complete inspection process and equipment to confirm the production excellent, e.g. Taylor Hobson from UK (Form Talysurf Series 2)
3. Can you produce G5, G10 ones?
Yes, we can do it.
4. Can you supply free samples?
Yes, we can supply free sample not exceeding 0.5 kg.
Qingdao Fuqin Imp. & Exp. Co., Ltd. It is a professional export company for the manufactures.The mother companies are steel ball and roller plants, which was founded in 1998. We have passed ISO9001 for steel balls and ISO/TS16949 for bearing rollers.
Chrome steel balls
Applications:
Bearing/Automotive
Cosmetics/Construction
Body,Jewelry/Heavy Equipment
Hunting cartridge
Detail:
Chrome steel - GCr15/100Cr6/AISI 52100/SUJ-2
Chemical Composition
| Material | C% | Si% | Mn% | Cr% | Cu% |
| 52100 | 0.98~1.10 | 0.15~0.35 | 0.25~0.45 | 1.30~1.60 | |
| GCr15 | 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | 0.25 |
| GCr15 SiMn | 0.95~1.05 | 0.45~0.75 | 0.95~1.25 | 1.40~1.65 | 0.25 |
| 100Cr6 | 0.93~1.05 | 0.15~0.35 | 0.25~0.45 | 1.35~1.60 | |
| SUJ2 | 0.95 or 1.10 | 0.15 or 0.35 | 0.50 max | 1.30~1.60 |
Stainless steel ball
Applications
For 300 series
Trigger sprayers,Bearings,Dispenser valves,
Body jewelry lotion pumps,Aerospace,Quick
Disconnect couplings
For 400 series
Bearing applications,Valve applications,
Locking mechanisms,Fasteners,Quick
Detail:
Stainless steel - AISI 302/304/304L/316/316L
-AISI 420/420C/430/440C
AISI304 and AISI316 are soft materials. For AISI420C after heat-treatment, the hardness is between HRC54-60. For AISI440C is HRC58-62
Chemical 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. 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. |
PACKAGING
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 mooden 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
Questions & Answers
1. Are you manufacturer or trading company?
We are both of manufacturer and trading company. We produce steel ball and roller for bearing by ourself and also sourcing some of them from other suppliers.
2. What's your strength?
A. Being a professional manufacturer in the industry for years
B. Wide range of balls and roller for your option
C. Having cooperation with most of suppliers in the industry, which will allow us to provide you what in need.
D. SKF is one of our long term customer and you can rest assured about the quality.
E. Strictly and complete inspection process and equipment to confirm the production excellent, e.g. Taylor Hobson from UK (Form Talysurf Series 2)
3. Can you produce G5, G10 ones?
Yes, we can do it.
4. Can you supply free samples?
Yes, we can supply free sample not exceeding 0.5 kg.