Basic Info.
Model NO.
Stainless steel ball
Grade
G10-G1000
Payment
T/T,LC
Delivery Time
20 Days After Receiving The Payment
Package
Box
Transport Package
Plastic Bag+Box+Carton+Wooden Pallet
Specification
2.381-12.7mm
Trademark
Tangland
Origin
Shandong, China
HS Code
8482910000
Production Capacity
5000 Billion Pieces / Month
Product Description
Martensitic stainless steel ball AISI440/440C/420/420C with good quality
Austenitic stainless steel ball
Grade of ball:60 to 1000/ 60 to 1000
Size:2.381mm-12.7mm
Application
Jewelry, high-end cosmetics, medical equipment, bearings, pumps, valves, aerosol, dispenser sprayers, food stuff, paper, chemical, rubber, military industry, special bearings, household sprayers, perfume miniature pumps, medical application valves, aerospace, body jewelry lotion pumps,chemical pump,guide rail, toy accessories, hardware accessories, auto accessories and other corrosion resistance application.
Martensitic stainless steel ball
Grade of ball:10 to 1000
Hardness:HRC 56 to 60/ HRC 48-52
Size:2.381mm-25.4mm
Application
Precision bearings, anti-friction bearings, special valves, special bearings, special pumps, ballpoint pens, conveyor belts, food stuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices, fasteners, locking mechanisms, lighters, components and so on.
Chemical composition
Steel ball grade
Production Process
1.Cold heading process
2.Flashing process
3.Heating treatment process
4.Grinding process
5.Initial grinding process
6.Lapping process
7.Eddy current tested by AVIKO
8.Optical testing
Inspection Machines
Profile roughness tester from England
Germany Zeiss cleanliness analysis system
Taylor roundness instrument from England
SKF waviness meter
Germany KB Vivtorinox hardness tester
Finland residual stress analysis
Oxygen nitrogen analyzer from USA
Germany Zeiss metallographic microscope
Steel ball single body vibration measuring instrument
NG Spectrometer spectrometer
Bearing life testing machine
Hydraulic universal testin machine
We produce
Packaging
1. Plastic bag+box+carton+wooden pallet
2. Plastic bag+carton+wooden pallet
3. Export cartons+steel drums+wooden pallets
FAQ
Q1.What is your terms of payment?
A:T/T 30% as deposit, and 70% before loading. We will show you the photos of the products and packages before you pay the balance.
Q2.What your terms of delivery?
A:EXW,FOB,CFR,CIF,DAF.
Q3.How about your delivery time?
A:Generally,it will take about 20 days after receipt of deposit payment.The specific delivery time depends on the items and the quantity of your order.
Q4.Are you interested in dealership with local company?
A:Yes,we are quite interested in this business.we'd like to cooperate with some local partner to sell more products in local market and supply better service.
Q5.Do you test all your products before delivery?
A:Yes,we have 100% products test and complete quality control system before delivery.
Q6.How do you make our business long-term and good relationship?
A:1.We keep good quality,competitive price and efficient service to ensure our customers benefit;
2.We protect the benefit of dealer or agent,in specific period and region.
Austenitic stainless steel ball
Grade of ball:60 to 1000/ 60 to 1000
Size:2.381mm-12.7mm
Application
Jewelry, high-end cosmetics, medical equipment, bearings, pumps, valves, aerosol, dispenser sprayers, food stuff, paper, chemical, rubber, military industry, special bearings, household sprayers, perfume miniature pumps, medical application valves, aerospace, body jewelry lotion pumps,chemical pump,guide rail, toy accessories, hardware accessories, auto accessories and other corrosion resistance application.
Martensitic stainless steel ball
Grade of ball:10 to 1000
Hardness:HRC 56 to 60/ HRC 48-52
Size:2.381mm-25.4mm
Application
Precision bearings, anti-friction bearings, special valves, special bearings, special pumps, ballpoint pens, conveyor belts, food stuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices, fasteners, locking mechanisms, lighters, components and so on.
Chemical composition
| Stainless steel ball | Steel Grade | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(%) | Cr(%) | Mo(%) |
| Austenitic stainless stell ball | AISI201 | 0.15 | 1.00max | 5.50~7.50max | 0.06max | 0.03max | 3.05-5.50 | 16~18 | ---- |
| AISI304 | 0.07max | 1.00max | 2.00max | 0.045max | 0.03max | 8~10 | 17~19 | ---- | |
| AISI304L | 0.03max | 1.00max | 2.00max | 0.045max | 0.03max | 8~10.5 | 16~18 | ---- | |
| AISI316 | 0.08max | 1.00max | 2.00max | 0.035max | 0.03max | 10~14 | 16~18 | 2.0~3.0 | |
| AISI316L | 0.03max | 1.00max | 2.00max | 0.035max | 0.03max | 12~15 | 16~18 | 2.0~3.0 | |
| AISI665 | 0.08-0.1max | 0.3~0.5max | 13.5~13.9max | 0.04max | 0.02max | 0.7-0.8 | 12-12.3 | ---- | |
| Martensitic stainless steel ball | AISI440 | 0.90~1.00max | 0.80max | 0.8max | 0.035max | 0.03max | 0.6 max | 17~19 | ---- |
| AISI440C | 0.95~1.10max | 0.80max | 0.8max | 0.035max | 0.03max | 0.60max | 16~18 | 0.40~0.70 | |
| AISI420 | 0.26~0.35 | 1.00max | 1.00max | 0.035max | 0.03max | 0.60max | 12~14 | 0.75max | |
| AISI420C | 0.36~0.45 | 0.60max | 0.80max | 0.035max | 0.03max | 0.60max | 12~14 | ---- |
Steel ball grade
| μm | ||||||||
| G3 | 0.08 | 0.08 | 0.13 | 0.01 | 0.5 | -5,...,0.5,0,+0.5,...,+5 | 0.1 | -0.2,-0.1,0,+0.1,+0.2 |
| G5 | 0.13 | 0.13 | 0.25 | 0.014 | 1 | -5,...,-1,0,+1,...+5 | 0.2 | -0.4,-0.2,0,+0.2,+0.4 |
| G10 | 0.25 | 0.25 | 0.5 | 0.02 | 1 | -9,...,-1,0,+1,...,+9 | 0.2 | -0.4,-0.2,0,+0.2,+0.4 |
| G16 | 0.4 | 0.4 | 0.8 | 0.025 | 2 | -10,...,-2,0,+2,...,+10 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
| G20 | 0.5 | 0.5 | 1 | 0.032 | 2 | -10,...,-2,0,+2,...,+10 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
| G24 | 0.6 | 0.6 | 1.2 | 0.04 | 2 | -12,...,-2,0,+2,...,+12 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
| G28 | 0.7 | 0.7 | 1.4 | 0.05 | 2 | -12,...,-2,0,+2,...,+12 | 0.4 | -0.8,-0.4,0,+0.4,+0.8 |
| G40 | 1 | 1 | 2 | 0.06 | 4 | -16,...,-4,0,+4,...,+16 | 0.8 | -1.6,-0.8,0,+0.8,+1.6 |
| G60 | 1.5 | 1.5 | 3 | 0.08 | 6 | -18,...,-6,0,+6,...,+18 | 1.2 | -2.4,-1.2,0,+1.2,+2.4 |
| G100 | 2.5 | 2.5 | 5 | 0.1 | 10 | -40,...,-10,0,+10,...,+40 | 2 | -4,-2,0,+2,+4 |
| G200 | 5 | 5 | 10 | 0.15 | 15 | -60,...,-15,0,+15,...,+60 | 3 | -6,-3,0,+3,+6 |
Production Process
1.Cold heading process
2.Flashing process
3.Heating treatment process
4.Grinding process
5.Initial grinding process
6.Lapping process
7.Eddy current tested by AVIKO
8.Optical testing
Inspection Machines
Profile roughness tester from England
Germany Zeiss cleanliness analysis system
Taylor roundness instrument from England
SKF waviness meter
Germany KB Vivtorinox hardness tester
Finland residual stress analysis
Oxygen nitrogen analyzer from USA
Germany Zeiss metallographic microscope
Steel ball single body vibration measuring instrument
NG Spectrometer spectrometer
Bearing life testing machine
Hydraulic universal testin machine
We produce
| Item | Name | Material |
| 1 | Carbon steel ball (Low) | AISI1010,AISI1015,Q195,Q235 |
| 2 | Carbon steel ball (High) | C80,C82,C85 |
| 3 | Stainless steel ball(Austenitic) | AISI304/304L/316/316L/201/665 |
| 4 | Stainless steel ball(Martensitic) | AISI420/420C/440/440C |
| 5 | Chrome steel ball(Ferritic) | AISIE52100/100Cr6/Gcr15/SUJ-2 |
Packaging
1. Plastic bag+box+carton+wooden pallet
2. Plastic bag+carton+wooden pallet
3. Export cartons+steel drums+wooden pallets
FAQ
Q1.What is your terms of payment?
A:T/T 30% as deposit, and 70% before loading. We will show you the photos of the products and packages before you pay the balance.
Q2.What your terms of delivery?
A:EXW,FOB,CFR,CIF,DAF.
Q3.How about your delivery time?
A:Generally,it will take about 20 days after receipt of deposit payment.The specific delivery time depends on the items and the quantity of your order.
Q4.Are you interested in dealership with local company?
A:Yes,we are quite interested in this business.we'd like to cooperate with some local partner to sell more products in local market and supply better service.
Q5.Do you test all your products before delivery?
A:Yes,we have 100% products test and complete quality control system before delivery.
Q6.How do you make our business long-term and good relationship?
A:1.We keep good quality,competitive price and efficient service to ensure our customers benefit;
2.We protect the benefit of dealer or agent,in specific period and region.