Alloy 20 Steel

Alloy 20 is one of the so-called "Super" stainless steels that was designed for maximum resistance to acid attack. It's nickel, chromium, molybdenum and copper content contribute to its overall resistance to chlorideon stress corrosion cracking and general pitting attack.

Alloy 20 Steel Chemical composition :

C	Cb	Cr	Cu	Mn	Mo	Ni	P	S	Si	Ta
Max	8 times			Max			Max	Max	Max	8 times
0.07	Carbon-1.00	19.0-21.0	3.0-4.0	2.0	2.0-3.0	32.0-38.0	0.045	0.035	1.0	Carbon-1.00

Alloy 20 Steel Mechanical Properties

Material Type	Condition	Ultimate Tensile Strength (PSI)	0.2% Yield Strength (PSI)	Elongation (% In 2in.)	Reduction Of Area (%)	Hardness Brinell	Hardness Rockwell
Alloy 20	Annealed	80,000	35,000	30	50	160	*

The alloy is stabilized with columbium to minimize carbide precipitation during welding. It has good mechanical properties and can be fabricated with comparative ease. Athough the alloy was designed for use in sulfuric acid related industries, it finds wide usage throughout the chemical processing industry.

Alloy 20 steel is used for processing pharmaceuticals, food, gasoline, solvents, plastics, explosives, synthetic fibers and many other products.

Alloy 20 stainless steel is a super-austenitic stainless alloy developed for maximum corrosion resistance to sulfuric acid and other aggressive environments not suitable for typical austenitic grades.

China Special Steel limited Alloy 20 steel is a solution for stress corrosion cracking that can occur when stainless steel is introduced to chloride solutions. We supply Alloy 20 steel for a variety of applications and will help in determining the precise amount for your current project.

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