Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 800tons/month |
| Delivery Time | 30-65 days |
| Packaging Details | Ply-wooden Case / Bundle With Plastic Cap |
| Standard | ASTM A790 / ASME SA790 |
| Materialrd | Duplex Stainless Steel |
| Product | Seamless Pipes |
| Grade | S31803/F51 |
| Application | Petrochemical Equipment, Seawater and Wastewater Treatment Equipment, Oil and Gas and other industrial fields |
| Length | According to Clients' need |
| Certificate | ISO9001-2015, API 5L, API 5CT |
| Packing Details | Ply-wooden Case / Bundle With Plastic Cap |
| Brand Name | YUHONG |
| Model Number | ASTM A790 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 800tons/month |
| Delivery Time | 30-65 days | Packaging Details | Ply-wooden Case / Bundle With Plastic Cap |
| Standard | ASTM A790 / ASME SA790 | Materialrd | Duplex Stainless Steel |
| Product | Seamless Pipes | Grade | S31803/F51 |
| Application | Petrochemical Equipment, Seawater and Wastewater Treatment Equipment, Oil and Gas and other industrial fields | Length | According to Clients' need |
| Certificate | ISO9001-2015, API 5L, API 5CT | Packing Details | Ply-wooden Case / Bundle With Plastic Cap |
| Brand Name | YUHONG | Model Number | ASTM A790 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | S31803 Duplex Stainless Steel Seamless Pipes ，ASTM A790 S31803 F51 Seamless Pipes ，Petrochemical Equipment Stainless Steel Seamless Pipes | ||
ASTM A790 S31803 F51 Duplex Stainless Steel Seamless Pipes For Petrochemical Equipment
YUHONG Group, a Chinese manufacturer that offers duplex stainless steel pipes in more than 80 countries up to now.The products we provide are all of high quality, and our quality inspectors will conduct quality inspections on the goods after production is completed.
ASTM A790/ ASME SA790 This specification covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.
Advantages
1. Offers excellent resistance to corrosion, especially in harsh environments such as high chloride and acidic conditions.
2. Have a higher strength compared to austenitic stainless steel pipes, making them suitable for applications that require high mechanical strength.
3. More affordable compared to other high-performance alloys while still providing excellent corrosion resistance and strength.
Chemical Composition %
| C | Mn | P | S | Si | Ni | Cr | Mo | N |
| 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 21-23 | 2.5-3.5 | 0.08-0.2 |
Tensile Requirements
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| S31803/F51 | 450 | 620 | 25 min |
Heat Treatment
| UNS | Heat Treating Temperature | Quench |
| S31803/F51 | 1870-2010°F [1020-1100°C] | Rapid cooling in air or water |
Hardness Requirements
| HBW | HRC |
| 290 max | 30max |
Applications Industries
Petrochemical Equipment
Condensers & Boiler & Heat Exchangers
Seawater and Wastewater Treatment Equipment,
Food Processing- Salt Making,etc.
Energy Field- Nuclear Power Generation,Tidal Power Generation,etc
Environmental Protection Field- Gas Processing,Waste Water Treatment,etc.
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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