ρ
kgm3
σU
MPa
σP
MPa
ϵL
ψ

08H17N15M3T (EI580, 0X17H16M3T)

Stable austenitic steel for the manufacture of urea synthesis columns.

welded structures operating in aggressive environments, increased; austenitic steel

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Corrosion-resistant alloys and steels	Corrosion-resistant ordinary steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	P, %	C, %	S, %	Mo, %
GOST 5632-72	58.465–66.7	< 0.8	< 2	16–18	0.3–0.6	14–16	< 0.035	< 0.08	< 0.02	3–4

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	8100

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
Pipes are coldly deformed.	GOST 9941-81				549		35
Pipes are hot deformed.	GOST 9940-81				510		35
Rod	GOST 5949-75				490	196	35	45	Hardening of 1050-1100 ° C, air
Forgings	GOST 25054-81				490	196	30–38	40–50
The plates	GOST 7350-77				510	196	40		Hardening of 1030-1080 ° C, air cooling
Sheet	GOST 5582-75				530	205	35		Hardening of 1050-1080 ° C, cooling water

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Forgings	GOST 25054-81		200

Technological Properties

Weldability
Weldability
no limits

Analogues

Germany	USA
Germany	USA
X 10 CrNiMoTi 18 12	Stainless Type 316-Proj.70

Standards

Standard	Description
Standard	Description
GOST 5632-72
TU 14-136-274-79

Description of chemical elements

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

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

Designation of types of weldability

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
no limits		Welding is performed without heating and without subsequent heat treatment
Boundedly welded		Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld		For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures