NBP-3a

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

Standard	Fe, %	Si, %	Sn, %	Mg, %	Mn, %	Co, %	Ti, %	Cu, %	Ni, %	Zr, %	Al, %	C, %	O, %	Nb, %	N, %	W, %	H, %	Ta, %
GOST 26252-84	< 0.003	< 0.003	< 0.001	< 0.001	< 0.001	< 0.001	< 0.01	< 0.003	< 0.001	< 0.001	< 0.002	< 0.005	< 0.3	> 99.583	< 0.02	< 0.003	< 0.002	< 0.06

USA
B 391 Type 1

Standard	Description
GOST 26252-84