Inconel718 bolt

Similar grades

GB/T	UNS	Trademark	W.Nr
GH4169	N07718	Inconel718	2.4668

 

Chemical composition of Inconel718 bolts

Alloy	%	Ni	Cr	Fe	Mo	Nb	Co	C	Mn	Si	S	Cu	Al	Ti
Inconel718	Min	50	17	Balance	2.8	4.75							0.2	0.65
	Max	55	21		3.3	5.5	1	0.08	0.35	0.35	0.015	0.3	0.8	1.15

 

Minimum mechanical properties of Inconel718 bolt alloy at room temperature

Status	tensile strength Rm N/mm2	Yield Strength RP0.2 N/mm2	Elongation A5%	Brinell hardness HB
Solid solution	965	550	30	≤363

 

 

Inconel718 bolts have the following characteristics:

1. Ease of processing
2. It has high tensile strength, fatigue strength, creep resistance and fracture strength at 700℃
3. High oxidation resistance at 1000℃
4. Has stable chemical composition at low temperatures
5. Good welding performance

 

Metallographic structure of Inconel718 bolt:

Alloy 718 has an austenitic structure, and the Y phase generated after precipitation hardening gives it excellent mechanical properties. The Δ phase generated at the grain boundaries during heat treatment gives it optimal plasticity.

 

Corrosion resistance of Inconel718 bolts:

No matter in high or low temperature environment, 718 alloy has excellent resistance to stress corrosion cracking and pitting corrosion. The oxidation resistance of 718 alloy at high temperatures is particularly outstanding.

 

Inconel718 bolt application scope Application fields include:

Due to its high temperature strength, excellent corrosion resistance and easy processability at 700°C, 718 can be widely used in various high-demand situations.