N70MFV (EP814A)

The chemical equipment with operation in salt to — those at higher. t-re conc. P-pax sulfuric, phosphoric, acetic, hydrogen halide, ion exchange resins, polypropylene. In the process of organic synthesis and pharmaceuticals. 9200 kg / m3. OZL-23.

weldments operating at elevated temperatures in corrosive environments (sulfuric acid, acetic acid, chlorides, etc.)

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5632-72	< 0.8	< 0.1	< 0.05	< 0.3	< 0.15	69.403–73.5	1.4–1.7	< 0.015	< 0.02	< 0.012	25–27	0.1–0.45

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{P}$$, $$MPa$$	$$\epsilon_L$$, %	Treatment
Sheet	GOST 24982-81				780	365	40	Hardening of 1050-1090 ° C

Analogues

USA	Germany
HastelloyB-2	2.4617 (NiMo28)

Standards

Standard	Description
GOST 5632-72
GOST 3239-81
TU 14-1-2260-77
TU 14-1-4684-89
TU 14-1-2230-77
TU 14-1-1227-83
GOST 24982-81
GOST 5632-14

Description of chemical elements

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

Description of mechanical properties

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