07H16N4B

It is intended for the manufacture of high-loaded parts of ship engineering products, welded assemblies, nuclear power facilities, chemical industry. According to ST-TsKBA 010−2004 critical temperature of brittleness -10 ° C

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, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Nb, %	Mo, %	W, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	P, %	C, %	S, %	Nb, %	Mo, %	W, %
GOST 5632-72	76.155–81.05	< 0.6	0.2–0.5	15–16.5	< 0.2	< 0.3	3.5–4.5	< 0.2	< 0.025	0.05–0.1	< 0.02	0.2–0.4	< 0.3	< 0.2

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Forgings	GOST 25054-81	< 600	Longitudinal		882	690	40–55	590–880	11–14	Hardening and tempering

Standards

Standard	Description
Standard	Description
GOST 5632-72

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
V	%	Vanadium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Nb	%	Niobium
Mo	%	Molybdenum
W	%	Tungsten

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
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness