Alloy-20

We are Distributors and Suppliers Alloy 20.

ALLOY 200 (UNS No.N02200, DIN W.Nr. 2.4066)

Alloy 20 is an austenitic nickel-iron-chromium alloy with additions of copper and molybdenum. The nickel content makes Alloy 20 resistant to chloride-ion stress-corrosion cracking. Copper and molybdenum give resistance to reducing environments. The molybdenum content also provides good resistance to pitting and crevice corrosion. The chromium gives resistance to oxidizing environments such as nitric acid. The addition of niobium reduces the effect of carbide precipitation during welding, thus increasing the alloy's resistance to intergranular corrosion. Alloy 20 has exceptional corrosion resistance in sulfuric acid environments, and is used in a range of applications involving this acid. Other uses include the production of gasoline, solvents, explosives, inorganic and organic chemicals, pharmaceuticals, food and synthetic materials. For these and other applications,Alloy 20 is readily fabricated to produce mixing tanks, heat exchangers, process piping, pickling equipment, pumps, valves, fasteners and fittings.

Mechanical Properties - At room temperature - Annealed condition:-

C	Ni	Mo	Co	Ir	M	Cr	Si	Su	Ti	Al	Pho
19.00-21.00	32.00-38.00	2.00-3.00	3.00-4.00	Bal.	2.00max	0.07max	1.00max	0.035max			0.045max

Specification:-

Sheet / Plate	SB- B162 / B160
Round Bar	SB- B162 / B160
Pipe	SB- B161 / B725
Tube
Fittings	SB- B366
Forgings	SB- B564

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