YUHONG GROUP CO.,LIMITED
ASTM A789 S31803 Duplex Stainless Steel Tube,ASME SA789 UNS S31803 Duplex Steel Tube,Duplex Seamless Tube ASTM A789 S31803 SAF2205 DIN1.4462
86-574-88013900
YUHONG GROUP CO.,LIMITED
ASTM A789 S31803 Duplex Stainless Steel Tube,ASME SA789 UNS S31803 Duplex Steel Tube,Duplex Seamless Tube ASTM A789 S31803 SAF2205 DIN1.4462
86-574-88013900
Heat Exchange Tube ( 53 )Boiler Tube ( 37 )Nickel Alloy Steel Pipe ( 21 )Nickel Alloy Steel Tube ( 16 )Duplex Steel Pipe ( 10 )Duplex Steel Tube ( 4 )Stainless Steel Pipe ( 18 )Stainless Steel Tube ( 14 )Steel Flange ( 30 )Steel Fitting ( 25 )Special Steel Products ( 14 )Model No.: ASTM A789 S3180 Duplex Stainless Steel Tube
Brand: YUHONG
Packaging: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Productivity: 1200 Tons Per Month
Place of Origin: CHINA
Certificate: ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Duplex Stainless Steel Pipes,ANSI B16.19, B16.10,A1016/A1016M, A450, A530, ASTM A789 S31803 (2205 / 1.4462), UNS S31803.
YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy, Monel, Inconel, Incoloy) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France .... And our group branch company and factory have been already approved by : ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Standards : ASTM/ASME A789/SA789, A790/SA790, A450, A530
Material : UNS S31803 (Cr22Ni5Mo3/1.4462) /2205, UNS S32750 (1.4410), UNS S31500 (Cr18NiMo3Si2), UNS32760(1.4501)
Chemical Composition
| Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
| UNS S32750 | 0.030 | 0.8 | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
| UNS S31803 | 0.030 | 1.0 | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| UNS S31500 | 0.030 | 1.0 | 1.2-2.0 | 0.030 | 0.030 | 18.0-19.0 | 4.5-5.5 | 2.5-3.5 | 0.05-0.10 |
Physical Properties
| Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC |
| UNS S32750 | 550 | 800 | 15 | 20 |
| UNS S31803 | 450 | 620 | 25 | 20 |
| UNS S31500 | 440 | 630 | 30 | 20 |
Duplex Stainless Steel Pipe Application:
Chemical processing, Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
Product Categories : Duplex Steel Tube > Duplex Steel Seamless Tube
