1.0434 (C17C)

Classification

Country	Section	Category
Country	Section	Category
Germany	Non-alloy Steels	Steels with Average 0,12% =< C < 0,25% or 400 MPa = < Rm < 500 MPa

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Al, %	P, %	C, %	S, %
EN 10263-2	98.75–99.18	< 0.1	0.65–0.85	0.02–0.06	< 0.025	0.15–0.19	< 0.025

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\psi$$, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\psi$$, %	Treatment
					420–610	56–67

Standards

Standard	Description
Standard	Description
EN 10263-2

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength
$$\psi$$	%	Reduction in cross section on fracture