2.4675

HuaNickel 2.4675 alloy is a high-performance nickel-based alloy with excellent corrosion resistance. It is widely used in aerospace, petrochemical, nuclear power generation and other fields.

2.4675Chemical composition：

	Ni	Cr	Mo	Cu	C	Si	Mn	P	S	Fe	AI	Co
Min	Bal	22	15	1.3	≤
Max		24	17	1.9	0.01	0.08	0.5	0.04	0.02	3	0.5	2

2.4675 Physical properties：

Density/g·cm-3	Linear expansion coefficient/×10-6·K-1 25～100℃	Thermal conductivity/W·(m·K)-1 room temperature	Resistivity/μΩ ·mroom temperature
8.5	12.4	9.1	1.28

2.4675Mechanical properties：

Plate thickness/mm	σb/MPa	σpo.2/MPa	δ(50mm)/%
1.6	752	358	64
3.2	765	393	63
6.4	779	379	62
13	758	345	68
25	752	372	63

2.4675Alloy properties：

The solid solution state of HuaNickel 2.4675 alloy is also an austenite structure with a face-centered cubic crystal structure, while in the medium-temperature heating (sensitization, aging) state, there will be carbide and intermetallic phase precipitation.

2.4675Uses of alloys：

This alloy is suitable for the manufacture of various forms of corrosion-resistant devices and components, including towers, tanks, reactors, heat exchangers, pipelines and pipe fittings, as well as forgings, pumps, valves, etc.

2.4675Process performance：

Welding performance: Manual arc welding (SMAW), tungsten argon arc welding (GTAW) and gas arc welding (GMAW) are recommended, but oxyacetylene welding and submerged arc welding are not recommended.

Heat treatment: HuaNickel 2.4675 alloy is also solution treated, the suitable heating temperature is about 1150 °C, water cooling after heat preservation, for Ni-Cr-Mo type alloys, the stress relief after welding can not be carried out in the sensitization temperature range, in order to eliminate the residual stress must also be solution treatment.

Relevant standards：

ASTM B574、 ASTM B575、 ASTM B622、 ASTM B619 、ASTM B626 、ASTM B564