11kp

for the manufacture of parts with high plasticity, undergoing shock loads and relatively weak effect of aggressive media

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Structural steel	Carbonaceous quality structural steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	As, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	As, %	P, %	C, %	S, %
GOST 1050-88	98.525–99.65	< 0.06	0.3–0.5	< 0.15	< 0.2	< 0.3	< 0.08	< 0.03	0.05–0.12	< 0.035

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\epsilon_L$$, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\epsilon_L$$, %	Treatment
Tape	GOST 8851 - 75				260–360	27

Standards

Standard	Description
Standard	Description
GOST 1050-88

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
As	%	Arsenic
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
$$\epsilon_L$$	%	Elongation at break (longitudinal)