GB/T	UNS	Trademark	JIS	W.Nr
GHH4145	N07750	InconelX-750	NCF750B	2.4669

chemical composition:

brand	%	Ni	Cr	Fe	Nb	Co	C	Mn	Si	S	Cu	Al	Ti	P
GH4145	min	margin	14	5.0	0.7							0.4	2.25
GH4145	max	margin	17	9.0	1.2	1.00	0.08	1.00	0.50	0.01	0.5	1.0	2.75	0.02

Physical properties:

density	8.25 g/cm³
Melting point	1395-1425℃

The minimum mechanical properties of the alloy at room temperature:

static	Tensile Strength Rm N/mm²	Yield StrengthRp0.2 N/mm²	ElongatSion A5 %	Solution treatment HB
Brinell hardness	910	550	25	≤350

GH4145 alloy has the following characteristics:

GH4145 has good corrosion resistance and oxidation resistance below 980 °C, high strength below 800 °C, good relaxation resistance below 540 °C, and good formability and welding performance in low temperature environment. Excellent mechanical properties.

The application areas of the GH4145 application range are:

The alloy has good corrosion resistance and creep rupture strength under high temperature environment, good mechanical properties, wide application, sufficient strength and corrosion resistance and oxidation resistance below 980 °C.

1. Manufacturing springs, bolts, rotor blades, impellers and other structural components on gas turbines;

2. Thrust chamber on the rocket engine;

3. The thrust reverser on the aircraft;

4. Large high pressure vessels;

5. Elastomeric air sealing sheet, sealing the die.