2507 Stainless Steel Coil Tubing Price

Short Description:

Super Duplex, 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 2507 Duplex Steel material has a higher molybdenum and chromium content which gives the material greater corrosion resistance than standard duplex grades.

The balanced duel phase microstructure of Super Duplex 2507 combines high strength with cost effective corrosion resistance particularly in high chloride environments. This material has comparatively lower alloying costs than similar ferritic and austenitic grades with equipment corrosion resistance in chloride containing environments due to the material’s increased tensile and yield strength. It thus results into the welcomed option for purchaser while purchasing smaller thicknesses while meeting the quality and performance needs at the same time.

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Duplex Stainless Steel Composition

Super Duplex 2507 is available in various forms such as Straight, Coiled, Seamless, Seam welded, cold redrawn and annealed. It’s typical applications are in Subsea control lines, Offshore, Fire-fighting systems, Injection & ballast water systems, Heat exchangers etc. where industries predominantly using this Grade are Chemical processing industry and petroleum industry.

S32750 / S32760 Super Duplex Chemical Composition

S32750 / S32760	C	N	P	Si	Mn	Mo	Ni	Cr	S	Other
S32750 / S32760	0.030	0.24/0.32	0.035	0.80	1.20	3.0/5.0	6.00/8.00	24.0/26.0	0.020	Cu:0.50

Super Duplex Steel S32750 / S32760 Mechanical Properties

S32750 / S32760	Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
S32750 / S32760	7.8 g/cm3	1350 °C (2460 °F)	Psi – 80000 , MPa – 550	Psi – 116000 , MPa – 800	15 %

Super Duplex 2507 Equivalent

Equivalent Grades for S32750 / S32760 Super Duplex Stainless Steel

Super Duplex 2507 Standard Specification	UNS	WERKSTOFF NR.
Super Duplex S32750	S32750	1.4410
Super Duplex S32760	S32760	1.4410

Super Duplex 2507 (UNS S32750)
Composition %

C Carbon	Mn Manganese	P Phosphorous	S Sulfur	Si Silicon	Ni Nickel	Cr Chromium	Mo Molybdenum	N Nitrogen	Cu Copper
0.030 max	1.20 max	0.035 max	0.020 max	0.80 max	6.0–8.0	24.0–26.0	3.0–5.0	0.24–0.32	0.50 max

Dimensional Tolerances

OD	OD Tolerance	Wall Tolerance
≤ .500”	± .005”	± 15%
0.500”–1.500” excl	± .005”	± 10%

Mechanical Properties

Yield Strength:	80 ksi min
Tensile Strength	116 ksi min
Elongation (min 2”)	15%
Hardness (Rockwell C Scale)	32 HRC max

Industry Applications
Chemical Process
Super Duplex 2507 is designed for demanding applications which require exceptional strength and corrosion resistance, which are found in chemical process, petrochemical, and seawater equipment. The alloy is used in salt evaporation processes, heat exchangers, and hydrochloric acid environments.