gb t 3077 40mn2 grade

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GB T-3077 40MN2 Round bar, 40MN2 Bearing steel, 40MN2

GB T-3077 40MN2 Round bar, 40MN2 Bearing steel, 40MN2

GB T-3077 40MN2 standard applies to manufacture of bearing ring steel pipe rolling elements made by high-carbon chromium bearing steel processed with hot rolled forged round, steel wire, cold rolled. Continuous casting steel is not recommended to be the material of balls. 2. Keywords:GB T-3077 40MN2 Round bar, 40MN2 Bearing steel, 40MN2 round bar National Standard of PRC Alloy Structure Steels GB/T The standard will replace GB/T 3077-1988 from the date of the implementation of this standard. 6.1.1 Steel grade, unified digital code and chemical composition (melting analysis) should be consistent 4 A00402 40Mn2 0.37~0.44 0.17~0.37 1.40~1.80 GB/T 3077 Alloy Steel Plate__Steel Supplier40Mn2|GB/T 3077 40Mn2 Alloy Steel Plate Inventory:. Gangsteel supply GB/T 3077 40Cr,40Mn2,40MnB,40MnVB,42SiMn,45B,45Cr,45CrNiMoVA,45Mn2,45MnB,5 40Mn2 China Structural steel - equivalent gradesStandard - GB/T 3077-88 Grade - 40Mn2 40G2 ( 40袚2 ) - Alloy structurall steel 40G2 ( 40袚2 ), 40G2 ( 40袚2 ) - All Equivalent Grades chemical composition, mechanical and technological properties Types of delivery of grade 40G2 ( 40袚2 ) 袙22 - Graded and shaped rolling B23 - Sheets and Strips 袙32 - Graded and shaped rolling 袙71 - Low-carbon steel wire About - GB/T 3077 Alloy Structure Steel plate

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