09G2S-1

Alloy steel.

Production of high-strength rolled products used in general-purpose structures with welded, riveted and bolted joints. Steel is not recommended for the manufacture of products subjected to heat treatment by the customer.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Structural steel	Low alloy structural steel for welded structures

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	As, %	P, %	C, %	S, %	N, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	V, %	As, %	P, %	C, %	S, %	N, %
GOST 19281-2014	98.1–98.65	< 0.8	< 1.7	< 0.3	< 0.3	< 0.3	< 0.12	< 0.08	< 0.03	< 0.12	< 0.035	< 0.008

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	d5, %	Treatment
Grade	GOST 19281-2014	< 250			430	265	21
Grade	GOST 19281-2014	< 140			480	345	21

Standards

Standard	Description
Standard	Description
GOST 19281-2014	GOST

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Cu	%	Copper
Ni	%	Nickel
V	%	Vanadium
As	%	Arsenic
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
N	%	Nitrogen

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength