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

 

Mechanical Property

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

 

Applications:

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.