Grade 4135 H
USA UNS H41350
Corresponding Standard ASTM A304-2016
Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
Classification Alloy Steel
4135 H Chemical Element Composition Content (%)
Component C Si Mn Cr Ni Cu Mo
Minimum Value 0.32 0.15 0.6 0.75 - - 0.15
Maximum Value 0.38 0.35 1 1.2 0.25 0.35 0.25
Note: Standard H Steels can be produced with a lead range of 0.15-0.35 %. Such steels are identified by inserting the letter L between the second and third numerals of the grade designation, for example, 40L40 H. Lead is generally reported as a range of 0.15-0.35 %.
4135H Corresponding Standards(Same grade name, different standards)

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