Name: S32750 super duplex pipe

Size：4 - 219mm（Seamless） ；5.0 - 1219.2 mm（Welded）

Material: S32750

Type：Seamless / ERW / Welded / Fabricated

Thickness range: 0.5 - 20mm

Surface Treatment: Polishing, Hairline, Pickled, etc.

Finished condition: Round, Square, Rectangular, Coil，U Tube

Application: Petrochemical, Oil & Gas； Geothermal, Mining；Chemical Process, Pharmaceutical, Biomass；Sea Water, Water Desalination； LNG (Liquefied Natural Gas), Nuclear Power, Solar Power。

Model number:

Original: Wenzhou,Zhejiang

Standard:ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928

Brand:

Technics:

Package: Packed in woven bag, or put in wooden case

Price:

Delivery: Accord Quantity

Certificate:

Production ability:

 

Product Detail

Duplex 2507 is a super duplex stainless steel developed for applications that demand high strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content causes high resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.

The steel combines high mechanical strength (typically up to 570 MPa yield strength) and good ductility with outstanding corrosion resistance in marine environments. The alloy is supplied with a PREN (Pitting Resistance Equivalent) at >= 40.0 which guarantees high resistance to pitting corrosion. In addition, the steel offers high resistance to crevice corrosion and stress corrosion cracking. Ambient and sub-zero (down to minus 50°C) notch ductility is good.

 

Specification of S32750 super duplex pipe

 

Standard	ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928
Grade	S32750
Type	Seamless / ERW / Welded / Fabricated
Length	Single Random Length, Double Random Length And Customize Size.
End	Plain End, Bevelled End, Threaded

 

Applications of S32750 super duplex pipe

• Gas Processing
• Petrochemicals
• Condensers
• Pulp and Paper Industry
• Off-Shore Oil Drilling Companies
• Power Generation
• Heat Exchangers
• Pharmaceutical Equipment
• Pharmaceuticals
• Sea Water Equipment
• Chemical Equipment
• Specialty Chemicals

 

UNS S32750 Super Duplex Pipes Chemical Composition

S32750	C	N	P	Si	Mn	Mo	Ni	Cr	S	Other
	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 S32750Pipe Mechanical Properties

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

 

Physical Properties OF ASTM A790 UNS S32750 Super Duplex Stainless Steel Seamless Pipes

Density (Kg.m-1)	7810
Magnetic Permeability	33
Young’s Modulus (N/mm2)	199 x 103
Specific Heat, 20°C (J.Kg-1.°K-1)	475
Fracture Toughness, Kq (MPa.m)	475
Specific Electrical Resistance, 20°C (µO.m)	0.80
Thermal conductivity, 20°C (W.m-1.°K-1)	14.2
Mean coefficient of thermal expansion, 20-100°C (°K-1)	11.1 x 10-6

 

Equivalent Grades for S32750 Super Duplex Stainless Steel Pipe

STANDARD	UNS	WERKSTOFF NR.
Super Duplex S32750	S32750	1.4410

 

Yield Strength Of Super Duplex 2507 Pipe

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