St1sp

details of the high viscosity and low hardness, anchor bolts connecting the casing, irresponsible fittings, rivets and boiler connection

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	As, %	P, %	C, %	S, %	N, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	As, %	P, %	C, %	S, %	N, %
GOST 380-2005	97.998–99.54	0.15–0.3	0.25–0.5	< 0.3	< 0.3	< 0.3	< 0.08	< 0.04	0.06–0.12	< 0.05	< 0.012

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	7850

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Hire	GOST 535-2005				315–410	175–205	31–34
Rod	GOST 30136-95				420–470			66–68

Analogues

Germany	USA
Germany	USA
S185	A283B

Standards

Standard	Description
Standard	Description
GOST 380-2005

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
N	%	Nitrogen

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\sigma_{P}$	$MPa$	Proportionality limit
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture