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S-2工具钢圆柱滚子
S-2工具钢圆柱滚子是为达到极限强度而设计的，可满足承受强烈冲击所需的韧性和强度，全部硬化处理，具有高强度、高冲击韧性、高耐磨性能和高疲劳寿命等特点，可以用于耐冲击和重负荷的行业领域。公司产品严格按照国家标准GB/T4661-2015 《滚动轴承 圆柱滚子》.S-2工具钢圆柱滚子常用于矿山冶金及油田设备和海上钻井操作，在岩石和粉泥浆料磨耗方面提供良好的服务。
|
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. |
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材料成分
S-2 / Rockbit Cylindrical Rollers are manufactured to the following 化学成分
|
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 |
物理性能
Hardness as measured on parallel flat surfaces is Rockwell “C”55-59.Roller of special hardness are available upon request.
|
Tensile strength抗拉强度 Yield strength屈服强度 |
310,000 psi 290,000 psi |
|
Elongation in two inches伸长率 |
7% |
|
Reduction in area收缩率 |
25% |
|
Modulus of elasticity弹性模量 Density密度 |
30,000,000 psi 0.283 lbs./cu.in |
AVAILABLE GRADES AND SIZES
|
Size Range in Millimeters |
Dia: Minimum 6.00 mm to Mximum 50.00 mm & Length: 6.00 mm to 50.00 mm |