GH4145

카테고리 고온 합금

설명

항공 그룹에 대한 공급 범위

단조품, 원형 막대, 강판, 링, 이음매없는 파이프, 강판 / 스틸 벨트, 와이어 용접 재료, 문의 환영합니다!

1. Introduction to GH4145 Materials

GH4145 has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, good relaxation resistance below 540℃, and good forming performance and welding performance, and excellent mechanical properties in low-temperature environments.

2. Chemical composition of GH4145

합금	%	C	Cr	Ni+what	Al	Of	Fe	Nb+Ta	Co	Mn	그리고	S	Cu	P
GH4145	최소값	–	14.0	70.0	0.4	2.25	5.0	0.7	–	–	–	–	–	–
GH4145	최대 값	0.08	17.0	–	1.0	2.75	9.0	1.2	1.0	1.0	0.50	0.01	0.50	0.015

Note: Mn and Si in the table are the contents of rods, forgings, rings and wires, and the sheets, strips and pipes are: Mn≤0.35%, Si≤0.35%.

3. GH4145 physical properties

밀도	녹는점
g / cm3	℃
8.28	1397-1427

Solid solution state, mechanical properties of alloy at room temperature:

합금 상태

인장 강도
Rm N/mm

수익률

RP0.2 N/mm

신장

A5 %

브리넬 경도
HB

고체 솔루션 상태

≥1267

868

≤400

4. GH4145 material characteristics

It has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, good relaxation resistance below 540℃, and good forming performance and welding performance, and excellent mechanical properties in low-temperature environments.

V. GH4145 application fields

Manufacture springs and bolts that work at high temperatures; rotor blades, impellers and other structural parts on gas turbines;

Thrust chamber on rocket engine;

thrust reverse device on the aircraft;

Large high-pressure container;

Elastic gas sealing plate, elastic sealing die plate, rubber mechanical electric heating blade.