Rock Bit AISI S-2 Tool Steel Balls |
Application: oil-well drilling, well applications, offshore drilling devices, well drilling bearings |
Material |
Size Range |
Grade |
S-2 Tool Steel (Rock Bit) |
5/16 - 1 1/2'' (7.9375mm - 40mm) |
G10 - G100 |
Material |
AISI |
Federal |
Military |
ASTM |
UNS |
AMS |
Military & Gov't Stds. |
S-2 Tool Steel |
S-2 |
QQ-T-570 |
- |
ASTM-A681 |
T-41902 |
- |
|
Chemical Analysis |
Carbon |
0.47% to 0.55% |
Manganese |
0.30% to 0.50% |
Silicon |
0.90% to 1.10% |
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 - 59 |
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./cubic inch |
Standard: ISO 9001-2008
OEM Service: Offered
Free Samples: Avaliable
Package: Anti-rust oil, 10kg or 20kg/ctn, wooden case and pallet, or as your requirements.
Payment Terms: 30% pre-payment in advance, the balance be arranged before shipment.
Why us ?
- Best Before and After-Sales service
- Adequate inventory, On time delivery
- Strong technical and sales support team
- Strict quality control system
- Special products can be customized