Grade Grade No. 4147
USA UNS G41470
Corresponding Standard ASTM A 752-2004(R2010)
Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel
Classification Alloy Steel
Grade No. 4147 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.45 0.15 0.75 - - 0.8 0.15
Maximum Value 0.5 0.3 1 0.035 0.04 1.1 0.25
* Small quantities of certain elements, which are not specified or required, are present in alloy steels. These elements are considered as incidental and may be present to the following maximum amounts: copper, 0.35 %, nickel. 0.25 %, chromium, 0.20 %. molybdenum, 0.06 %.
* Standard alloy steels can be produced with a lead range of 0.15 to 0.35 %. Such steels are identified by inserting the letter “ L” between the second and third numerals of the Grade number, for example, 41L40. Lead is reported only as a range of 0.15 to 0.35 % since it is added to the mold as the steel is poured.
Grade No. 4147 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Annealed ≤690

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