Incoloy 20（alloy 20）、UNS N08020

Incoloy 20 alloy overview:

The Cr content in Incoloy 20 alloy is usually 19.0-21.0%, and the nickel content is 32.0-38.0%. Incoloy 20 alloy is a nickel-based alloy containing molybdenum and copper, which has good hot and cold workability. Incoloy 20 is a corrosion resistant alloy with many excellent properties. It has good resistance to oxidizing and medium reducing corrosion. It has excellent resistance to stress corrosion cracking and good local corrosion resistance. It is satisfactory in many chemical process media. Corrosion resistance.

 

Incoloy 20 alloy chemical composition:

C≤	Si≤	Mn≤	P≤	S≤	Cr≥	Ni≥	Mo≥	Cu≤	Fe≤	Nb  Ta
0.007	1.00	2.00	0.045	0.035	19.0 21.0	32.0 38.0	2.0 3.0	3.0 4.0	margin	≤1.00

 

Incoloy 20 alloy physical properties:

Density: 8.08 g / cm3.

Melting point: 1357-1430 ° C.

 

Incoloy 20 alloy mechanical properties:

Tensile strength (MPA) Rm N / mm2 ≥ 620.

 

Special alloys commonly used in the petroleum industry:

Stainless steel: 316LN, 1.4529, 1.4539, 254SMO, 654SMO, etc.

High-temperature alloy: GH4049

Nickel-based alloys: Alloy 31, Alloy 926, Incoloy 925, Inconel 617, Nickel 201, etc.

Corrosion-resistant alloys: NS112, NS322, NS333, NS334