DM

For the manufacture of mechanical springs subjected to static and dynamic loads.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Structural steel	Spring-spring structural steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %
GOST Р 50567-93	96.944–99.154	0.07–0.38	0.24–1.56	< 0.038	0.46–1.04	< 0.038

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Wire	GOST Р 50567-93	0.08			2780–3100
Wire	GOST Р 50567-93	20			1020–1150

Standards

Standard	Description
Standard	Description
GOST Р 50567-93	GOST R 50567 - 93

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
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