产品详情
S-2工具钢圆锥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/T 25767-2010 《滚动轴承 圆锥滚子》进行生产和检验。S-2工具钢圆锥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 |
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Additional testing may be required to certify that materials comply with specific standards. | |||||
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 5.00 mm to Mximum 40.00 mm & Length: 6.00 mm to 50.00 mm |
关键词: S-2工具钢圆锥滚子
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