UNS S32750 Super Duplex Stainless Steel 2507 By yaang.com

DataTime:[2015-1-26]

Super Duplex Stainless Steel like Duplex Stainless Steel, is a mixed microstructure of austenite and ferrite (50/50) which has improved strength over ferritic and austenitic steel grades. The main difference is that Super duplex stainless steel has a higher Molybdenum and Chromium content which gives the material greater corrosion resistance. Super Duplex Stainless Steel has the same benefits as its counterpart – it has lower production costs when compared with similar ferritic and austenitic stainless steel grades and due to the materials increased tensile and yield strength, in many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance.

Benefits of UNS S32750 Super Duplex Stainless Steel 2507

Improved corrosion resistance in comparison to Duplex Stainless Steel
Greater tensile and yield strength
Good ductility and toughness
Good stress corrosion cracking resistance (SSC)
Opportunity for purchases to reduce their material costs without compromising on quality

Applications of UNS S32750 Super Duplex Stainless Steel 2507

Super Duplex Stainless Steel is used in the oil and gas industry, on offshore platforms, in heat exchangers, super duplex stainless steel 2507 flange,chemical processing equipment pressure vessels and boilers.

About UNS S32750 Super Duplex Stainless Steel 2507

2507 is the most common Super Duplex Stainless Steel which contains 24% chromium and a minimum of 3% molybdenum. Please refer to the chemical composition and mechanic properties tables below.

Chemical Composition

UNS No	Grade	C	Si	Mn	P	S	Cr	Mo	Ni	N	Other
S32750	2507	0.030	0.80	1.20	0.035	0.020	24.0/26.0	3.0/5.0	6.00/8.00	0.24/0.32	Cu:0.50

Mechanical Properties

UNS No	Grade	Proof Stress 0.2% (MPa)	Tensile Strength (MPa)	Elongation A5(%)	Hardness Max
					HB	HRB
S32750	2507	550	795	15	310	32*

Source: Yaang Pipe Industry Co., Limited (www.yaang.com)

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