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Duplex 2205 (UNS S31803) Products
Duplex Steel 2205 (UNS S31803) Pipes, Tubes, Fittings, Flanges, Fasteners, Plates and Bar : Agent, Exporter, Dealer, Distributor, Stockist, Stockholder and Supplier in India :
Duplex 2205 : Specifications of Alloy 2205
- Duplex 2205 : Specifications of Alloy 2205
- Duplex 2205 : Chemical Specification of Alloy 2205
- Duplex 2205 : Basic Properties of Alloy 2205 - Mechanical Properties
- Duplex 2205 : Physical Properties of Alloy 2205
- Duplex 2205 : Applications of Alloy 2205
- Duplex 2205 : Alloy 2205 Features
- Duplex 2205 : Forms of Alloy 2205 Available
- Duplex 2205 : Machining Advice of Alloy 2205 - Hot worked and precipitation hardened
- Duplex 2205 : Alloy Comparisons
- Duplex 2205 : KEY Features of Alloy 2205
DUPLEX STAINLESS STEEL
UNS S31803 – UNS S32205
Duplex Plate/Sheet
Duplex Seamless & Welded Tube
Duplex Seamless & Welded Pipe
Duplex Round Bar
Duplex Flanges F51
Duplex Specialty Forgings
Duplex Seamless & Welded BW Fittings
Specifications of Alloy 2205
- Alloy 2205 to MLA-MPS-22V-BAR
- EN 10088-3 1.4462
- ASTM A182 UNS S31803 Forgings Grade F51
- ASTM A182 UNS S32205 Forgings Grade F60
- ASTM A240 UNS S31803 Sheet and Plate
- ASTM A479 UNS S31803 Bar
- ASTM A479 UNS S32205 Bar
- ASTM A276 UNS S31803 Bar
- ASTM A76 UNS S32205 Bar
| Trade Name | UNS | Duplex Industry Specifications | Chemical Composition | Min.Tensile (KSI) | Min.Yield (KSI) | Elongation % |
|---|---|---|---|---|---|---|
| SAF 2205® 22Cr | UNS S31803 | ASMESA-182 (F51), SA-240, SA-798, SA-790, SA-815 ASTMA182 (F51),A240, A276, A479, A789, A790, A815, A928, A988 SAEJ405 | C0.30 max Cr21.0-23.0 Mn2.00 max Mo 2.50-3.50 N0.08-0.20 Ni4.50-6.50 P0.030 max S0.020 max Si 1.00 max | 90 | 65 | 25 |
| SAF 2205® 22Cr | UNS S32205 | ASMESA-182 (F60), SA-240, SA-798, SA-790, SA-815 ASTMA182 (F60), A240, A276, A479, A480, A798, A790, A815, A928, A988 SAEJ405 | C0.30 max Cr22.0-23.0 Mn 2.00 max Mo3.00-3.50 N0.14-0.20 Ni4.50-6.50 P0.030 max S 0.020 max Si1.00 max | 95 | 65 | 25 |
Duplex 2205 : Chemical Specification of Alloy 2205
| Elements | Cr | Fe | Mo | N | Ni | P | S | Si |
| Minimum | 22.00 | REMAINDER | 3.00 | 0.14 | 4.50 | 0.20 | ||
| Maximum | 23.00 | 3.50 | 0.20 | 5.50 | 0.030 | 0.020 | 0.70 |
Duplex 2205 : Basic Properties of Alloy 2205 - Mechanical Properties
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 450 [65.2] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 760 [94.2] |
| Elongation (%) minimum | 25 |
| Hardness (HBN) | 270max |
| 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] |
| Additional Testing | |
| ASTM G48A Corrosion test at 40°C | No pitting and weight loss <4.0 g/m2 |
| Ultrasonic Testing | According to ASTM A388 |
| Ferrite Content | 35%-55% |
| Microstructure | Microstructure certified free from grain boundary carbides, sigma, chi and laves phases |
Duplex 2205 : Physical Properties of Alloy 2205
| Density (Kg.m-1) | 7810 |
| Magnetic Permeability | <50 |
| Young’s Modulus (N/mm2) | 190 x 103 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 400 |
| Specific Electrical Resistance, 20°C (µO.m) | 0.85 |
| Thermal conductivity, 20°C (W.m-1.°K-1) | 15 |
| Mean coefficient of thermal expansion, 20-100°C (°K-1) | 11 x 10-6 |
Duplex 2205 : Applications of Alloy 2205
| Chemical Process Industry: |
| Sulphuric Acid Production, Nitric Acid Processes, Phosphoric Acid Processes, Ethylene oxide, Polypropylene Production, PVC, Equipment Handling Organic and Fatty Acids, Chemical Storage and Tankers, Heat Exchangers |
| 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, Separators, Heat Exchangers |
| Pollution Control: |
| Waste water treatment, Sour water purification |
| Pulp and Paper Industry: |
| Pulp liquor heaters, Bleach Tower Linings, Digesters, Brownstock Washers |
| Food Industry: |
| Brewery Piping, Evaporators, Hot liquor tanks, Presses |
Duplex 2205 : Alloy 2205 Features
- Higher strength than standard stainless steels
- Higher corrosion resistance than 316 stainless steel in a wide variety of corrosive chemicals including sulphuric, phosphoric and nitric acids
- Good resistance to pitting and crevice corrosion in seawater
- High stress corrosion resistance
- Lower thermal expansion than austenitic stainless steels
- Higher thermal conductivity than austenitic stainless steels
Duplex 2205 : Forms of Alloy 2205 Available
| Alloys | Bars & Sections | Hot & Cold Rolled Plate | Ingot & Billet | Forged Products | Sand Castings |
|---|---|---|---|---|---|
| ALLOY 2205 | Yes | Yes | Yes |
Duplex 2205 : Machining Advice of Alloy 2205 - Hot worked and precipitation hardened
| Operation | Cutting Speed m/min (ft/min) | Feed Rate mm/rev (in/rev) | Depth of cut mm (in) |
| Milling | 40 (130) | 0.05-0.13 mm/tooth 0.02-0.005 in/tooth | 0.5-6.0 (0.02-0.25) |
| Drilling – 6.4mm (1/4”) dia | 250rpm | 0.075 (0.003) | |
| Drilling – 12.7mm (1/2”) dia | 250rpm | 0.125 (0.005) | |
| Drilling – 25.4mm (1”) dia | 150rpm | 0.28 (0.011) | |
| Turning - Roughing | 30- 45 (100-150) | 0.20 – 0.38 (0.008-0.015) | 3 (0.125) |
| Turning - Finishing | 50- 60 (165-200) | 0.13 – 0.20 (0.005-0.008) | 0.5 (0.02) |
| Tooling | Milling/Turning: Carbide (SANDVIK GC 235, SECO T25M) Drilling: HSS, point angle 118°, chisel angle 120° | ||
Duplex 2205 : Alloy Comparisons
| Alloy Comparisons | FERRALIUM 255-SD50 | S17400(17-4PH) | S32205 | 718 (ST) |
| 0.2% Proof Strength (N/mm2), minimum | 600 | 1070 | 450 | 550 max |
| Corrosion Rate (mm.y-1) Seawater | <0.01 | ~1 | <0.01 | <0.01 |
| Corrosion Rate (mm.y-1) 10% sulphuric acid at 80°C | <0.15 | 10 | 0.4 | <0.15 |
| Corrosion Rate (mm.y-1) Boiling 50% nitric acid | <0.15 | <0.15 | <0.15 | <0.15 |
| Wear Properties related to Hardness (HRC) | RC28 | RC38 | RC25 | RC20 |
Duplex 2205 : KEY Features of Alloy 2205
- Higher strength than austenitic stainless steels
- Excellent general corrosion resistance in a wide variety of corrosive chemicals including seawater and industrial acids
- Excellent resistance to localised corrosion including intergranular, pitting and crevice corrosion
- Excellent resistance to stress corrosion cracking
- Good sulphide stress corrosion resistance
- High resistance to abrasion, erosion and cavitation erosion
- Lower thermal expansion and higher heat conductivity than austenitic stainless steels
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2205 Duplex Stainless Steel
- 2205
- Duplex Steel 2205 : Techinical Information
- Duplex Steel 2205 : Application or Typical Applications
- Duplex 2205 : Standards
- Duplex 2205 : Mechanical Properties
- Duplex 2205 : Chemical Composition
- Duplex 2205 : Tensile Requirements
- Duplex 2205 : Specifications of Alloy 2205
- Duplex 2205 : Chemical Specification of Alloy 2205
- Duplex 2205 : Basic Properties of Alloy 2205 - Mechanical Properties
- Duplex 2205 : Physical Properties of Alloy 2205
- Duplex 2205 : Applications of Alloy 2205
- Duplex 2205 : Alloy 2205 Features
- Duplex 2205 : Forms of Alloy 2205 Available
- Duplex 2205 : Machining Advice of Alloy 2205 - Hot worked and precipitation hardened
- Duplex 2205 : Alloy Comparisons
- Duplex 2205 : KEY Features of Alloy 2205
OUR PRODUCTS
- Duplex Steel 2205 Butt Weld Fittings
- Duplex Steel 2205 Flanges
- Duplex Steel 2205 Bar
- Duplex Steel 2205 Forged Fittings
- Duplex Steel 2205 Pipes Tubes
- Duplex Steel 2205 Sheet Plate
- Duplex Steel 2205 Fasteners
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Duplex Stainless Steel Products