1.0570 (St52-3)

Classification

Country	Section	Category
Country	Section	Category
Germany	Non-alloy Steels	Steels with Average 0,25% =< C < 0,55% or 500 MPa =< Rm < 700 MPa

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %	Mo, %
EN 10025	96.86–99.98	< 0.55	< 1.6	< 0.3	< 0.3	> 0.02	< 0.035	< 0.22	< 0.035	< 0.08

Information on suppliers

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\epsilon_L$$, %	$$\epsilon_T$$, %	$$R_{eH}$$, $$MPa$$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\epsilon_L$$, %	$$\epsilon_T$$, %	$$R_{eH}$$, $$MPa$$	Treatment
		< 100		normalization	490	20	12	315
		100–250		normalization	450	18		275
		250–500		normalization	450	18		265

Analogues

CIS, Russia, Ukraine
CIS, Russia, Ukraine
17G1S

Standards

Standard	Description
Standard	Description
EN 10025

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength
$$\epsilon_L$$	%	Elongation at break (longitudinal)
$$\epsilon_T$$	%	Elongation at break (transverse)
$$R_{eH}$$	$$MPa$$	Upper yield point