S420MC | 1.0980

Thanks to its fine-grained microstructure and high degree of purity, grade S420MC is well suited for cold bending, folding and cold flanging without cracking. The name of grade S420MC refers to its upper yield strength. This is 420 MPa. The following minimum values for the bending radii should be considered.

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Thermomechanically rolled steel for cold working

Nominal thickness (t), mm	Min. bending radius
<= 3	0.5 t
3< t <=6	1.0 t
t >6	1.0 t

S420MC | 1.0980: Properties according to DIN EN 10 149-2

Steel type

Short designation	VDA239-100*	Material number
S420MC	HR420LA	1.0980

* Comparative grade, therefore minor deviations from DIN EN values possible

S420MC | 1.0980: Mechanical properties, longitudinal

Upper yield¹⁾ strength ReH MPa min.	Tensile strength Rm MPa	Elongation at fracture A80 % min.	Elongation at fracture A³⁾ % min.
420	480–620	16	19

S420MC | 1.0980: Chemical composition (heat analysis)

Percentage by weight % max.
C	Mn	Si	P	S	Altotal min.	Nb	V	Ti
0.12	1.60	0.50	0.025	0.015	0.015	0.09²⁾	0.20²⁾	0.15 ²⁾

Your product of choice: S420MC | 1.0980

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1) For thicknesses > 8 mm the yield strength values may be 20 MPa lower.

2) The combined content of Nb, V and Ti must not exceed 0.22 %.

3) Percentage elongation after fracture using a proportional specimen with L₀ = 5.65 √S₀ for sheet thicknesses ≥ 3.0 mm.

Available with a narrower range of mechanical properties and increased elongation at fracture.