Alloy 20 Round Bar-Shanghai Yikai Metal Products Co., Ltd

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Yikai Metal Products Co.,Ltd
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Alloy 20 Round Bar

Alloy 20 was designed specifically to withstand sulfuric acid. Its nickel, chromium, molybdenum and copper levels all provide excellent general corrosion resistance. Restricted carbon plus columbium stabilization permits welded fabrications to be used in corrosive environments, normally without post-weld heat treatment. At 33% nickel, Alloy 20 has practical immunity to chloride stress corrosion cracking. This alloy is often chosen to solve SCC problems, which may occur with 316L stainless.

Specifications
ASME SA 240, ASME SB 366, ASME SB 463
ASTM A 240, ASTM B 366
ASTM B 463
ASTM B 473
EN 2.4660
UNS N08020
Werkstoff 2.4660

The characteristics of Alloy 20

Excellent general corrosion resistance to sulfuric acid
Excellent resistance to chloride stress corrosion cracking
Excellent mechanical properties and fabricability
Minimal carbide precipitation during welding
Excels in resisting corrosion to hot sulfuric acids

Chemical Composition, %

Ni	Fe	Cr	Cu	Mo	Nb
32.00-38.00	Balance	19.0-21.0	3.0-4.0	2.0-3.0	8xC-1.0max

C	Mn	P	S	Si
.07max	2.0max	.045max	.035max	1.0max

Inventory
Alloy 20 bar, Alloy 20 Plate, Alloy 20 Sheet, Alloy 20 Weld Wire

Applications of Alloy 20

Synthetic rubber manufacturing equipment
Processing of pharmaceuticals, plastics and organic and heavy chemicals
Tanks, piping, heat exchangers, pumps, valves, and other process equipment
Acid cleaning and pickling equipment
Chemical process piping, reactor vessels
Bubble caps
Petrochemical process equipment
Food and dye production

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