Type: Seamless Material:
Stainless Steel Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose Trademark: Bao Steel Specification: diameter 10 to 200mm HS Code: 7304419000 Technique: Cold Rolled Surface Treatment: Polished Section Shape: Round Transport Package: Fumigated Wooden Box Origin: China Duplex stainless 2205
Seamless Steel Pipe Product DescriptionIntroduction 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
Our Services 1.Our Service For You Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment, 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. Photo for factory
FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit. Contact us Name:Lucy Cui Phone:021-67896311
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Our Services 1.Our Service For You Pre-sale Service 1. Sample can be offered with sample charge and courier fee by buyer's side. 2. We have full stock,and can deliver within short time.Many styles for your choices. 3. OEM and ODM order are accepted, Any kind of logo printing or design are available. 4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you 5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor. After you choose 1. We will count cheapest shipping cost and make invoice to you at once. 2. Check quality again, then send out to you at 1-2 working day after your payment, 3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose 1. We are very glad that customer give us some suggestion for price and products. 2. If any question,please contact with us freely by E-mail or Telephone. Photo for factory 
FAQ 1. If we travel to China to checking your facility, are you welcome? Of course, why not? we will provide the whole accompany from you landing in China. Only Give us a call before your arrive. We will pick up you from the airport, living in our company's hotel, and driving by car take you visiting our company. Warm Welcome! 2. How many sales person in your team? present 8 sales, but more hands help in work, total team is 20+ workers. So do not worry, not the one person company. 3. How Many Years of your company working in this industry? We are 20+ years, from last century. Expanding the market, and cultivate our techniques, two ways all in work together. 4. Could you show me some photos of your producing working? here, following is our working plant, all is same when you come to China to audit. Contact us Name:Lucy Cui Phone:021-67896311
