Haynes 556 (UNS R30556) Sheet, Bar, and Pipe: High-Performance Alloy for Industrial Applications-Bolaibao (Suzhou) Metal Products Co., Ltd.

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Haynes 556/UNS R30556 sheet/bar/pipe

HAYNES 556 is an iron-nickel-chromium-cobalt alloy that combines several excellent properties that make it resistant to vulcanization, carburizing and chlorine-containing environments at high temperatures. The alloy is also corrosion resistant to molten chloride salts and other salts, and resistant to corrosion by molten zinc. Its ease of processing and good high-temperature strength make it suitable for a wide range of industrial applications.

Product Details

UNS R30556

Form	ASTM
Rod	B 572
Plate, sheet and strip	B 435, B 906
Seamless pipe and tube	B 622
Welded pipe	B 619, B 775
Welded tube	B 626, B 751
Welding fitting	B 366
Billet and bar for reforging	B 472

Chemical composition

%	Fe	Cr	Ni	Co	Mo	W	C	Mn	Si
min	balance	21.0	19.0	16.0	2.5	2.0	0.05	0.50	0.20
max	balance	23.0	22.5	21.0	4.0	3.5	0.15	2.00	0.80
%	P	S	Al	Ta	Nb	La	Zr	N	B
min			0.10	0.30		0.005	0.001	0.10
max	0.040	0.015	0.50	1.25	0.30	0.10	0.10	0.30	0.020

Physical properties

Density	8.23 g/cm3
Melting range	1330-1415℃

Features: Haynes 556 combines effective resistance to sulfidizing, carburizing and chlorine-bearing environments at high temperatures with good oxidation resistance, fabricability and excellent high temperature strength. It also resists to corrosion by molten zinc, molten chloride salts and other salts.

Applications: Industrial waste incinerators, rotary calciners and kilns, hot-dip galvanizing equipment, aerospace industry high temperature components.

Note: Haynes and 556 are registered trademarks of Haynes International, Inc.

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