Grade 5140
Corresponding Standard ASTM A519/A519M-2024
Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Classification Alloy Steel
5140 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni * Cu * Mo *
Minimum Value 0.38 0.15 0.7 - - 0.7 - - -
Maximum Value 0.43 0.35 0.9 0.04 0.04 0.9 0.25 0.35 0.1
Approximate Comparison Table Structural Alloy Steel
China Japan United States France Russia United Kingdom
GB JIS ASTM NF EN/NF GOST BS EN/BS
38CrA SCr440H 5140 38C4 38ХА 530A40

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!