Alloy F44-UNS S31254: 马来西亚的首选 SINGDA SUPERALLOY (MALAYSIA) SDN. BHD.

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Alloy F44 UNS S31254 / W. Nr. 1.4547 / F44

Technical Data Sheet
Alloy F44 (UNS S31254) is a super austenitic stainless steel designed to withstand high pressures, stress corrosion cracking, and many other potentially hazardous events and materials. This high-end stainless steel contains high levels of chromium, molybdenum, nickel and nitrogen, which contribute to its excellent corrosion resistance and many other properties.

Specification

Forms	ASTM & SAE
Bar	ASTM A276, ASTM A479,
Tube	ASTM A213, ASTM A249, ASTM A269, ASTM A270, ASTM A688
Pipe	ASTM A312, ASTM A358, ASTM A409, ASTM A813, ASTM A814, ASTM A943
Plate	ASTM A240, ASTM A480
Sheet	ASTM A240, ASTM A480
Forgings	ASTM A182, ASTM A473

Application
Used for Boiler, Condenser, Feedwater Heater, Heat-Exchanger, Pressure Vessels, Sanitary, Superheater and other Corrosive or High-Temperature Service, etc.
Examples: Heat-Resisting tube or pipe, Pipe fitting, etc.

Chemical Composition Limits Wt.% (According to ASTM A473)

Element	C	Mn	P	S	Si	Cr	Ni	Mo	N	Cu
Min.						19.5	17.5	6.0	0.18	0.50
Max.	0.02	1.00	0.03	0.01	0.80	20.5	18.5	6.5	.25	1.00

Typical Mechanical Properties

Material	Condition	Tensile Strength (Mpa)	Yield Strength 0.2% offset (Mpa)	Elongation	Hardness Max.
Alloy F44	T condition	650-850	300	35%	260HB

Standard product forms
Bar, Forgings, Pipe (Cold-Worked Welded, Electric-Fusion-Welded, Seamless, Single- or Double-Welded, Spray-Formed and Heavily Cold Worked), Plate, Sheet, Tube (Seamless and Welded), etc.

Services
Every order is treated as carefully and timely as possible, and shipments are handled to ensure that all export procedures are followed correctly so that your order arrives in perfect condition as quickly as possible.

Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.