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Mechanical tube Standard Standard: JIS G3445   Application: Suitable for machinery manufacturing, automobile manufacturing, bicycle manufacturing, furniture manufacturing and other machinery parts manufacturing.

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42CrMo4 precision seamless steel tube for auto parts   chemical composition:   Carbon C  0.38～0.45% Silicon Si  0.17～0.37% Manganese Mn  0.50～0.80% Sulfur S  Allow residual content ≤0.035% Phosphorus P  allowable residual content ≤0.035% Chromium Cr  0.90～1.20% Nickel Ni  allowable residual content ≤0.30% Copper Cu  allowable residual content ≤0.30% Mo  0.15～0.25%     Mechanical properties: Hardness: Annealing, 255～207HB, indentation diameter 3.8～4.2mm; Quenching, ≥60HRC cr12mov The hardenability, hardness, strength and toughness after quenching and tempering are higher than CR12, and the work with a diameter of 300-400mm or less can be completed Hardenable, small quenching deformation, but poor high temperature plasticity. cr12mov plates are mostly used to manufacture composite molds and tools with large cross-sections, complex shapes and heavy workloads.  

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Mechanical tube Standard: JIS G3445 Application: It is widely used in manufacturing of Machinery, Automobile, bycycle, furniture and some other machined parts. Steel Tube Grade: STKM 11A, STKM12(A,BC),STKM13(A,B,C),STKM14(A,B,C) Chemical Composition

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GB/T8162/8163 HOT ROLLED SEAMLESS STEEL PIPE

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Jisg3445 Stpg370 216.3X7.5X6000mm

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DIN2391 ST52 CK45 HONED AND SKIVE BURNISHED STEEL TUBE

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E355 Seamless Honed Tube For Hydraulic cylinders

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  Pope Reel Drum   Production Standard: Carbon steel shell Alloy steel journals Journals bolted to roll shell Cast iron bearing house Grase Lubrication   Optional Options: Vacuum system Loose rope pully or groove Surface grooved   Supply range: Diameter: 900-2000mm Face Length: 12000mm Working speed: 2500m/min max Balancing: Rotor rigid or fexible rotor