Even though they are more expensive, seamless pipes have the advantage of being almost 20% better capable of withstanding high pressure than a welded pipe. Despite being well suited to broad applications, ASTM A790 UNS S32205 Seamless Pipe (Seamless and Welded Pipemain )'s benefit is its ability to prevent stress-related corrosion cracking. In environments that are favourable for stress corrosion cracking, conventional stainless steel alloys like grade 304 or even grade 316 frequently struggle to maintain their structural integrity.
However, because the UNS S32205 Duplex Steel ASME SA790 Welded Pipe alloy also contains nickel and molybdenum in addition to chromium as the main alloying component, it is well suited for applications that are vulnerable to the deterioration caused by stress-related corrosion cracking. In addition to being resistant to corrosion, uns s32205 pipe typically has yield strengths that are nearly twice as high as typical austenitic stainless steel alloys. According to the specification, a heat analysis is used to determine the elemental composition of ASTM A790 Duplex Steel S32205 Seamless Pipes.
The component, for example Duplex UNS S32205 Stainless Steel pipe, must comply with the standard in most ASTM specifications. Tests are part of these requirements. Duplex steel UNS S32205 EFW pipes have undergone testing such as hydrostatic tests, tension tests, hydrohardening tests, flattening tests, and nondestructive electric tests. The automated procedure will be used to weld the Duplex Steel S32205 ERW pipe. The Duplex Steel S32205 Seamless pipe could be welded without the use of filler metal, in contrast to other techniques that require it.
| Standard Specification | ASTM A 312/ ASME SA 312/ A790/ SA790/ EN10216-5 |
| Size | ½” to 6” NB Sch 10s, 40s, & 80s, 160s |
| Wall Thickness | 0.1 - 60 mm |
| SS Seamless Pipe Length |
|
| Seamless SS Pipe Surface Finish | Cold Finish, Bright, Polished, Annealing, Pickling, or as per client requirements |
| Standard | JIS, AISI, ASME, ASTM, AMS, GB, DIN, EN, GOST |
| Manufacturing types | Seamless, Welded, ERW, EFW |
| Manufacturing Shapes | Round, Square, Rectangle, Box Section |
| Manufacturing Technology | Hot / Cold Formed |
| Other Grades | SS 446 |
| Inspection, Test Reports | EN 10204 3.1, Mill Test Certificates, PMI Test Reports, Chemical Reports, Mechanical Reports, NABL Approved Lab Reports, Visual Inspection Reports, Destructive and Non Destructive Test Reports, Third Party Inspection |
| Technique | Cold Rolled Hot Rolled |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2205 (UNS S31803) | Min Max | – 0.030 | – 2.00 | – 1.00 | – 0.030 | – 0.020 | 21.0 23.0 | 2.5 3.5 | 4.5 6.5 | 0.08 0.20 |
| Grade | Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness | |
|---|---|---|---|---|---|
| Rockwell C (HR C) | Brinell (HB) | ||||
| UNS S32205 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
| Grade 2205 | Density (kg/m3) |
Elastic Modulus(GPa) |
Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C( J/kg.K) |
Electrical Resistivity (nΩ.m) |
|||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| UNS S32205 | 782 | 190 | 13.7 | 14.2 | - | 19 | - | 418 | 850 |
| Grade | American ASTM | UNS No |
Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 2205 | ASTM A790 ASTM A789 |
UNS S32205 | 318S13 | - | 1.4462 | X2CrNiMoN22-5-3 | 2377 | SUS 329J3L |
| NPS Designator | Permissible Variations in Outside Diameter | |
|---|---|---|
| Over In. | Under In. | |
| 1/8 to 1-1/2, incl | 1/64 (0.015) | 1/32 (0.031) |
| Over 1-1/2 to 4, incl | 1/32 (0.031) | 1/32 (0.031) |
| Over 4 to 8, incl | 1/16 (0.062) | 1/32 (0.031) |
| Over 8 to 18, incl | 3/23 (0.093) | 1/32 (0.031) |
We have supplied Duplex Stainless Steel ASTM A790 UNS S32205 material to these places recently:
| A790 S32205 20' STD pipe | France, Qatar, Thailand, Europe |
| SA789 S32205 material | Germany, Czechia, Malaysia, Thailand |
| 3/4" SA-789 - UNS S32205 Duplex Stainless Steel material | Saudi Arabia (KSA), South Africa, Brazil, Kuwait |
| SA 790 UNS S32205 Seamless Pipes | South Africa, Bahrain, United Arab Emirates (UAE), Singapore |
| NPS 1, ASTM A790 grade UNS S32205 seamless pipe, SCH XXS | Turkey, Malaysia, Singapore, Norway |
| SA 789 UNS S32205 Duplex Steel Pipes | Malaysia, Netherlands, Dubai, Russia |
| 3" Pipe, Seamless, ASTM A790 Grade S32205, Sch 40 | UAE, United Kingdom -UK, Europe, Malaysia |
| SA790 S32205 DSS Pipes | Canada, UK, Ellington -United States, Poland |
| Pipe UNS S32205 CL1, 3LPP Coated | Colombia, Sweden, Malaysia, China |
| S32205 stainless steel seamless and welded tubes | Malaysia, Taiwan, Philippines, Los Alamos -Mexico |
| Pipe, BE, WELDED, ASTM A790 UNS S32205 sch 10 | Dammam -KSA, Indonesia, Belgium, Philippines |
| SA 789 S32205 SMLS Pipe | Chile, Italy, Singapore, Iran |
| XXS pipe material duplex S32205 | Egypt, Spain, UK, Mexico |
| SCH 80 Seamless Pipes SA 790 S32205 | Malaysia, USA, Finland, Bangladesh |
| Duplex SMLS Pipe S32205 | Philippines, Australia, Nigeria, UK |
| s32205 duplex stainless steel pipe material | Singapore, Malaysia, Philippines, Canada |
| duplex uns s32205 seamless tube | Oman, Malaysia, UAE, Hong Kong |
| a790 uns s32205 seamless and erw pipes | Europe, Japan, Malaysia, Romania |
| sa790 s32205 material | Singapore, South Korea, Malaysia, NY 12203 (USA) |
