Luoyang Yusion Industrial Co., Ltd.

China Manufacturer with main products: S-2 Rockbit Ball, Chrome Steel Ball

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S-2 Rockbit Ball Applied for Oil Equipment/S-2 Tool Steel Ball

FOB Reference Price: $ 0.20
Wholesale: ≥1 Piece(s)
Supply Ability: 2,000 Ton(s) per Year
Payment Terms: T/T
Update Time: 8/11/2017

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Export Markets: North America, South America, Southeast Asia, Eastern Asia
Packaging Details: Paper Cartons Wrapped by Fumigation Wooden Pallet

Quick Details

  • Material: S-2 Tool Steel
  • Brand Name: Yusion
  • Grade: AISI
  • Size: 3/16"~6"
  • Bore Size: G10-G600


S2 Rockbit Ball applied for Oil EquipmentS2 Tool Steel BallAISI S-2 Tool Steel Balls are designed to achieve extreme ruggedness.the ball surface has a smooth ground and polished finish.these balls provide the toughness and strength necessary for severe shock loads.S-2 Tool Steel Balls are hardened throughout and have unusually good wear characteristics.

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.

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.
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
Hardness as measured on parallel flat surfaces is Rockwell "C"55-58.Ball of special hardness are available upon request.
Tensile strength
Yield strength
310,000 psi
290,000 psi
Elongation in two inches 7%
Reduction in area 25%
Modulus of elasticity
30,000,000 psi
0.283 lbs./
Grade Size Range in Inches and Millimeters
50-200 3/16"-6"  4.7625mm-150mm

1. Professional manufacturer of steel balls since 1993;
2. the leading domestic facility which can supply high precision steel balls with complete specifications;
3. Non-standard products can be customized;
4. An integrated set of industry and trade company,professional at before-after sales service;
5. Supplying quality product at the best value;
6. Certified by ISO 9001:2000,SGS and D&B quality system certification;
7. Strict quality control system,100% inspection;
8. Adequate inventory,on time delivery;
9. All inquiries and messages will be replied within 24 hours;
10. Free samples can be offered.

Firstly we pack the balls in cartons.
for each carton,the size is : 160mm x120mm x65mmm
Then, we pack our balls using wooden pallet(fumigation) in our export business :
Put the plastic paper in the pallet(waterproof) at first, then put the ball carton into the pallet ,and fix the pallet.
the size of wooden pallet: Length:1050mmx850mmx420mm
Generally, if you don't want packing with our company's logo & name and our package, we offer neutral packing and can according to your requirements.

Communicate with Supplier

Ms. Janet Zhang