16-25-6 (10Х16Н25АМ6 / ЭИ395)

16-25-6 is a kind of solution strengthening superalloy which has Cr and Mo elements to solution strengthen and stabilize austenite matrix. It has high thermal strength at 700℃, and high instantaneous strength at 900-1000℃.

Equivalent Grades

Trademark	GB	GOST	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
16-25-6	GH1040	10Х16Н25АМ6 ЭИ395	–	–	–	–	–	–	–	–

Chemical Composition, %

Alloy	C	Si	Mn	P	S	Cr	Ni	Mo	Cu	N	Fe
16-25-6	≤0.12	0.5-1.0	1.0-2.0	≤0.030	≤0.020	15.0-17.5	24.0-27.0	5.5-7.0	≤0.20	0.1-0.2	Bal

Typical Physical and Mechanical Properties (RT, Solution annealed)

Density, g/cm3	Melting Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	ELongation, %	Hardness, HB
8.08	1380-1420	–	–	–	≥255

Available Products and Specifications

Rod, Bar, Wire and Forgings	GB/T 14992
Plate, Sheet and Strip	–
Pipe and Tube	–
Welding Product	–
Others	GB/T 14992, SAE J467b

Features

Excellent heat resistance ability
Excellent corrosion resistance ability
Good organizational stability
Good thermal plasticity, welding and cold forming process performance

Applications

16-25-6 have been used to make welded rotors, shafts and fasteners for gas turbines and short-working rocket engine parts. The alloy can be used to make turbine discs working below 650℃ after being strengthened by warm working.