Yuhong Group Co.,Ltd
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Delivery Time | 10days-> |
| Payment Terms | T/T, L/C |
| Supply Ability | 1500 tons per month |
| Standard | ASTM A789, ASME SA789, ASTM A790 , ASME SA790 , ASTM A928, ASME SA928 |
| Grade | S31803 , S32750, S32760, S31254 , 254Mo, 253MA |
| Type | Welded Duplex pipe , Seamless Duplex Pipe |
| NDT | 100% ET/UT/HT |
| Place of Origin | China, USA, Korea, UE |
| Brand Name | YUHONG |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Model Number | S31803 , S32750, S32760, S31254 , 254Mo, 253MA |
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Product Specification
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Delivery Time | 10days-> |
| Payment Terms | T/T, L/C | Supply Ability | 1500 tons per month |
| Standard | ASTM A789, ASME SA789, ASTM A790 , ASME SA790 , ASTM A928, ASME SA928 | Grade | S31803 , S32750, S32760, S31254 , 254Mo, 253MA |
| Type | Welded Duplex pipe , Seamless Duplex Pipe | NDT | 100% ET/UT/HT |
| Place of Origin | China, USA, Korea, UE | Brand Name | YUHONG |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Model Number | S31803 , S32750, S32760, S31254 , 254Mo, 253MA |
| High Light | super duplex seamless pipe ，welded steel pipe | ||
Duplex Stainless Steel Pipe ASTM A789 / A790 S31803 , S32750, S32760, S31254 , 254Mo, 253MA
YUHONG SPECIAL STEEL 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, 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.
Duplex Stainless Steel Pipe is a type of stainless steel pipe that combines the desirable qualities of both ferritic and austenitic stainless steels, resulting in a material that is highly resistant to corrosion, has excellent strength, and is suitable for a wide range of demanding applications.
These pipes are suitable for a wide range of demanding applications in industries such as oil and gas, chemical processing, desalination, pulp and paper, power generation, and marine. The enhanced mechanical properties and resistance to localized corrosion make them a cost-effective and reliable choice for critical systems.
UNS 31803 (F51), UNS 32205 (F60) Alloy 2205, UNS S32550 (F61), UNS S 32750 (F53), Alloy 2507 and UNS 32760 (F55)
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:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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