N70MF

weldments, operated at elevated temperature in hydrochloric acid, sulfuric acid, phosphoric acid

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

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	V, %	P, %	C, %	S, %	Mo, %
GOST 5632-72	< 4	< 0.2	< 0.5	< 0.3	64.21–73.6	1.4–1.7	< 0.02	< 0.05	< 0.02	25–29

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{P}$$, $$MPa$$	$$\epsilon_L$$, %	Treatment
Alloy					900	400	40

Standard	Description
GOST 5632-72

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