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Home> Products> Other Chemicals > China Rock Bit S-2 Tool Steel Ball for Bearing

China Rock Bit S-2 Tool Steel Ball for Bearing

FOB Price: 
Port:tianjin
Minimum Order Quantity:500/kg
Supply Ability:2000 Metric Ton/Year
Payment Terms:L/C,T/T,
Updatetime:Feb 12 2018
Company Profile
Contact:amy zhang
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Detailed Description

S-2 TOOL STEEL BALLS (ROCKBIT)
S-2 Tool Steel Balls are hardened throughout and have unusually good wear characteristics. These balls are intended for applications that require extreme toughness and strength. They provide good service in withstanding the abrasion, high shock resistance, severe pressure impact, etc.
We manufacture a complete line of Rockbit balls in various diameters. Rockbit Balls are designed for extreme ruggedness. The balls are made from S-2 tool steel and specially heat treated to provide excellent hardness and wear resistance combined with toughness and impact resistance to survive extreme shock loads found in the drilling industry.
 
Applications:
S-2 Tool Steel balls find most frequent use in oil field equipment and offshore drilling operations.They provide good service in withstanding the abrasion of pulverized rock and mud slurries.

 

Specification:

Size 3/16"-6′
Hardness HRC60-HRC66
Diamenter 4.7625mm-150mm
Grade G10-G600
International Standard ASTM/AISI/JIS/DIN

 

Material AISI Military   ASTM UNS  AMS DIN JIS/SUJ
S-2 Tool Steel  S-2          A-681 T-41902    
Additional testing may be required to certify that materials comply with specific standards.


 MATERIAL ANALYSIS 

S-2 Tool Steel (Rockbit) Balls are manufactured to the following chemical analysis:

Chemical Analysis
Carbon 0.47% to 0.55%
Manganese 0.30% to 0.50%
Silicon 0.90% to 01.10%
Molybdenum 0.30% to 0.60%
Phosphorus 0.030% maximum
Sulphur 0.030% maximum
Vanadium 0.5% maximum


MECHANICAL PROPERTIES 
Hardness as measured on parallel flat surfaces is Rockwell "C"55-58.Ball of special hardness are available upon request.

Tensile strength 310,000 psi
Yield strength 290,000 psi
Elongation in two inches 7%
Reduction in area 25%
Modulus of elasticity 30,000,000 psi
Density

0.283 lbs./cu.in

 

 

Packing
1.Firstly we pack the balls in cartons.
One type inside has two cartons.
For each carton,  length: 22cm  width:17cm   height:10cm  
Another type inside has four cartons:
For each carton, length: 15cm  width:12cm   height:10cm   

2.Then, we pack our balls using wooden pallet in our export business :
1).Put the plastic paper in the pallet(waterproof).
 The size of wooden pallet: 860mmm  800mm  750mm
2).Put the ball carton into the pallet ,and fix the pallet.
3).Hooping the pallet tightly using the steel rods

 


we will provide customers with quality products, perfect service and fast delivery at competitive pricing! our products are very well known in more than European and other foreign countries. your cooperation and order are warmly welcome!

 

Company Information
Name:LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY
Category:
Trade Category: Manufacturer
Registered Time: 1993
Registered Capital:
Legal Representative:
Employees: 51 - 100 People
Product/Service: AISI 52100 chrome steel ball & AISI S-2 Rockbit Balls
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To:China Rock Bit S-2 Tool Steel Ball for Bearing (LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY) Quantity: