UNS S32760 Welded duplex stainless steel grade 2205 EFW Gas Stress Corrosion
UNS S32760 Welded duplex stainless steel grade 2205 EFW Gas Stress Corrosion
Super Duplex UNS S32760 has excellent corrosion resistance to a wide variety of media, with outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with Critical Pitting Temperature exceeding 50°C.
Providing higher strength than both austenitic and 22% Cr Duples Stainless Steels UNS S32760 is suited to a variety of applications in industries such as Chemical Processing, Oil & Gas, and Marine environments.
Applications:
Chemical Process Industry:
Nitric Acid Processes, Polypropylene Production, PVC Production, Dioxide, Caustic Evaporators, Equipment
Handling Organic and Fatty Acids
Marine Industry and Shipbuilding:
Propellers and Shafts, Rudders, Shaft Seals, Pumps, Bolts and Fasteners, Valves, Instrumentation, Oil and Chemical Tankers
Oil and Gas Industry:
Pumps, Valves, Pipe, Vessels, Wellhead Equipment, Subsea Equipment
Pollution Control:
Fans and pumps, Wet Scrubbers, Incinerators
Pulp and Paper Industry:
Black liquor heater tubes, Digester Blow Valves, Rotary Feed Valves, I.D.Fans, Brownstock Washers, Precipitators, Bleaching Components
Food Industry:
Sugar Cane Centrifuges, Corn and Vegetable processing plant
Agrochemicals:
Fertiliser Production (Wet phosphoric acid)
Civil Engineering:
Sewage Treatment
Chemical Composition of UNS S32760 Super Duplex Stanless Steel Pipes and Tubes
|
Elements
|
C
|
Cr
|
Cu
|
Fe
|
Mo
|
Mn
|
N
|
Ni
|
P
|
S
|
Si
|
W
|
|
Minimum
|
|
24.0
|
0.5
|
REMAINDER
|
3.0
|
|
0.20
|
6.00
|
|
|
|
0.50
|
|
Maximum
|
0.030
|
26.00
|
1.0
|
|
4.0
|
1.0
|
0.30
|
8.00
|
0.030
|
0.010
|
1.00
|
1.00
|
Mechanical Properties of UNS S32760 Super Duplex Stanless Steel Pipes and Tubes
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550 [79.8] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 750 [108.8]] |
| Elongation (%) minimum | 25 |
| Hardness (HBN) | 270max |
| Reduction of Cross Section Area (%) minimum | 45 |
| Charpy V-notch Impact at ambient Temp (J) [ft.lb] | 80min [59min] |
| Charpy V-notch Impact at -46°C (J) [ft.lb] | 45av, 35min [33av, 25.8min] |
Physical Properties of UNS S32760 Super Duplex Stanless Steel Pipes and Tubes
| Density (Kg.m-3) | 7810 |
| Magnetic Permeability | 33 |
| Young’s Modulus (N/mm2) | 199 x 103 |
| Fracture Toughness, KQ (MPa.m½) | 98 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 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 |
ASTM A928 UNS S32760 Super Duplex Stainless Steel EFW pipes Specifications
| Pipe Range | 6NB to 1200NB - SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
|---|---|
| PipeType | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| Stainless Steel Pipe | ASTM A312, A358, A269, A270- TP 304, 304L, 304H, 316, 316L, 316H, 316Ti, 309, 310, 317L, 321, 347, 904L. |
| TEST CERTIFICATES | MTC, IBR & Third Party Inspection. |
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