• Model NO.：carbon steel ball
• Grade：G20-G1000
• Hardness：HRC 58 to 63
• Transport Package：Plastic Bag+Box+Carton+Wooden Pallet
• Specification：0.8-50mm
• Trademark：Tangland
• Origin：Shandong, China
• HS Code：8482910000
• Production Capacity：5000 Billion Tons,Month

Basic Info.

Model NO. carbon steel ball Grade G20-G1000 Hardness HRC 58 to 63 Transport Package Plastic Bag+Box+Carton+Wooden Pallet Specification 0.8-50mm Trademark Tangland Origin Shandong, China HS Code 8482910000 Production Capacity 5000 Billion Tons/Month

Product Description

Low Carbon Steel Roll Ball


Low Carbon steel ball

Grade of ball:20 to 1000

Hardness:HRC 58 to 63

Size:0.8mm-50mm

Application

Bicycle parts, bearings, pulleys, slide rails, handicrafts, shelves,universal balls,bags,anti-friction bearings, steering columns, casters, conveyors and trolleys, roller skates, toys,automotive, locks, drawer slides, welding, capabilities decorative, light-duty, hardware and etc.


High Carbon steel ball

Grade of ball:20 to 1000

Hardness:HRC 60 to 66

Size:2.0mm-25.4mm

Application

Switches for appliances, shotgun cartridge, bicycle parts, auto parts, guide, pulley, joint, toys, tools and so on.


 Chemical composition
 

Carbon steel ball	Steel Grade	C(%)	Si(%)	Mn(%)	P(%)	S(%)	Ni(%)	Cr(%)	Mo(%)
Low carbon steel ball	Q235B	0.12~0.20	0.30max	0.30~0.70	0.045max	0.045	-----	-----	----
High carbon steel ball	SWRH82B	0.79~0.92	0.15~0.35	0.60~0.90	0.025	0.025	-----	-----	----
High carbon steel ball	C86D	0.083~0.88	0.10~0.30	0.50~0.80	0.035	0.035	-----	0.15	----

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