HC420LA is German standard, material number is 1.0556. It is a kind of low alloy high strength steel requiring high yield strength. [TJC STEEL]The product form is cold rolled coil.
Component Specification（DIN EN 10268-2013）
C ≤0.14 Al ≥0.015
Si ≤0.5 Ti ≤0.15
Mn ≤1.6 Nb ≤0.09
P ≤0.030[TJC STEEL] S ≤0.025
item transverse longitudinal test piece
yield strength Rp0.2 420~520 390~500
strength of extensionRm 470~600 460~580
elongation %[TJC STEEL] ≥17 ≥18
HC420LA has good comprehensive performance. It is mainly used to manufacture auto parts, such as chassis, internal panel,[TJC STEEL] seat parts, etc. The processing method is cold forming.
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