4140 Oval Head Bolt 42CrMo High Strength Cement Mill Liner Bolts M48X150mm Hardware Bolts 新闻中心联系方式
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4140 Oval Head Bolt 42CrMo High Strength Cement Mill Liner Bolts M48X150mm Hardware Bolts
Product Name: 4140 Oval Head Bolt 42CrMo High Strength Cement Mill Liner Bolts M48X150mm Hardware Bolts Model NO.: EB3303 Finish: Black Application: Machinery Grade: 8.8 Standard: ANSI Head Style: Oval Head Type: Oval Head Bolt Material: 40crmo Trademark: EB Transport Package: Plywood Cases Specification: M48 Origin: China Product Description Material Grade:4140(42CrMo)Quality Level:12.9, 10.9, 8.8, 6.8, 4.8 GradeSizes:M20,M24,M27,M30,M36,M42,M45,M48,M72,M100Specification:M48 x 150,M48 x 180,M48 x 210,M48 x 330,M48 x 370,M48 x 390,M48 x 600,M48 x 700,M48 x 900,M48 x 1080Bolt-head Shape:Oval head, Square head,Ellipse head;Special Features:1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills.2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and mine mills.3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.Chemical Composition:Composition(%)CSiMnSPCrMo42CrMo(4140 Grade8.8)0.38-0.45≤0.400.60-0.90≤0.035≤0.0350.90-1.200.15-0.30
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