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Duplex 2205 Astm, Duplex 2205 asme, Duplex 2205 (UNS S31803) Products, Duplex 2205 Price
duplex 2205 pipe, duplex 2205 round bar Dealer, duplex 2205 flanges, duplex 2205 plate Stockist, duplex 2205 fittings, duplex 2205 fasteners Distributor, duplex 2205 alloy, duplex 2205 pipe fittings Stockholder and Supplier in India,
Stockists of Huge Range of Duplex Steel 2205 Products : Like 2205 Duplex, Duplex Steel 1.4462 - 2205 Products Fittings Duplex Steel 2205 Flanges, Duplex Steel 2205 Pipe, Duplex Steel 2205 Plate, Duplex Steel 2205 Sheet, Duplex Steel 2205 Tube, Duplex Steel 2205 Bar, Grade 1.4462/2205 is similar to: Duplex Steel UNS S31803, Duplex Steel UNS S32205, Duplex Steel BS 318S13
Alloy 2205
MD Exports LLP Pvt. ltd.Company has an extensive inventory of 2205 stainless steel plate in thicknesses from 3/16" through 3". The yield strength is about twice that of austenitic stainless steels, thus allowing a designer to save weight and making the alloy more cost competitive when compared to 316L or 317L.
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
| 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 |
GENERAL DUPLEX STAINLESS STEEL INFORMATION
2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. The standard duplex S31803 composition has over the years been refined by many steel suppliers, and the resulting restricted composition range was endorsed as UNS S32205 in 1996. Duplex S32205 gives better guaranteed corrosion resistance, but for much of the Duplex S31803 currently produced also complies with Duplex S32205. 2205 is not generally suitable for use at temperatures above 300ºC as it suffers from precipitation of brittle micro constituents, nor below -50ºC because of its ductile-to-brittle-transition.
DUPLEX APPLICATIONS
- Chemical processing, transport and storage,
- Oil and Gas exploration and processing equipment,
- Marine and other high chloride environments,
- Pulp and paper digesters, liquor tanks and paper machines.
DUPLEX CORROSION RESISTANCE
Excellent general corrosion resistance; superior to Grade 316 in most environments. Excellent resistance to localized corrosion including intergranular, pitting and crevice corrosion; the CPT of 2205 is generally at least 35ºC. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150ºC. Grade 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water then Grade 316.
DUPLEX HEAT RESISTANCE
Although 2205 has good high temperature oxidation resistance, this grade – like other duplex stainless steels – suffers from embrittlement if held for even short times at temperatures above 300ºC. If embrittled, this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300ºC.
DUPLEX HEAT TREATMENT
Solution treatment (annealing) – heat to 1020ºC-1100ºC and cool rapidly. This grade cannot be hardened by thermal treatment, but does work harden.
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Fabrication and Heat Treatment
Annealing
Hot Working
Welding
Forming
Machinability
Applications
Introduction
Stainless steels are high-alloy steels. These steels are available in four groups that include martensitic, austenitic, ferritic and precipitation-hardened steels. These groups are formed based on the crystalline structure of stainless steels.
Stainless steels contain larger amounts of chromium in comparison with other steels and thus have good corrosion resistance. Most of the stainless steels contain about 10% of chromium.
Grade 2205 stainless steel is a duplex stainless steel whose design enables combining improved resistance to pitting, high strength, stress corrosion, crevice corrosion and cracking. Grade 2205 stainless steel resists sulfide stress corrosion and chloride environments.
The following datasheet provides an overview of grade 2205 stainless steel.
Chemical Composition
The chemical composition of grade 2205 stainless steel is outlined in the following table.
| Element | Content (%) |
|---|---|
| Iron, Fe | 63.75-71.92 |
| Chromium, Cr | 21.0-23.0 |
| Nickel, Ni | 4.50-6.50 |
| Molybdenum, Mo | 2.50-3.50 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Nitrogen, N | 0.080-0.20 |
| Carbon, C | 0.030 |
| Phosphorous, P | 0.030 |
| Sulfur, S | 0.020 |
Physical Properties
The following table shows the physical properties of grade 2205 stainless steel.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.82 g/cm³ | 0.283 lb/in³ |
Mechanical Properties
The mechanical properties of grade 2205 stainless steel are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength at break | 621 MPa | 90000 psi |
| Yield strength (@strain 0.200 %) | 448 MPa | 65000 psi |
| Elongation at break (in 50 mm) | 25.0 % | 25.0 % |
| Hardness, Brinell | 293 | 293 |
| Hardness, Rockwell c | 31.0 | 31.0 |
Thermal Properties
The thermal properties of grade 2205 stainless steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 13.7 µm/m°C | 7.60 µin/in°F |
Other Designations
Equivalent materials to grade 2205 stainless steel are:
- ASTM A182 Grade F51
- ASTM A240
- ASTM A789
- ASTM A790
- DIN 1.4462
Fabrication and Heat Treatment
Annealing
Grade 2205 stainless steel is annealed at 1020-1070°C (1868-1958°F) and then water quenched.
Hot Working
Grade 2205 stainless steel is hot worked in the temperature range of 954-1149°C (1750-2100°F). Hot working of this grade stainless steel under room temperature is recommended whenever possible.
Welding
Welding methods recommended for grade 2205 stainless steel include SMAW, MIG, TIG and manual covered electrode methods. During the welding process, the material should be cooled below 149°C (300°F) between passes and preheating of the weld piece should be avoided. Low heat inputs should be used for welding grade 2205 stainless steel.
Forming
Grade 2205 stainless steel is difficult to form due to its high strength and work hardening rate.
Machinability
Grade 2205 stainless steel can be machined with either carbide or high speed tooling. The speed is reduced by about 20% when carbide tooling is used.
Applications
Grade 2205 stainless steel is used in the following applications:
- Flue gas filters
- Chemical tanks
- Heat exchangers
- Acetic acid distillation components
Origin Of Material
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