Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1200tons/month |
| Delivery Time | 5-65 days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Materialrd | Duplex Stainless Steel |
| Product | Seamless Pipes |
| Standard | ASTM A790 / ASME SA790 |
| Grade | S32750 |
| Application | For General Service |
| Length | or as required |
| Certificate | ISO9001-2008, API 5L, API 5CT, etc. |
| Packing Details | Ply-wooden Case /Woven Bag in Bundle |
| Brand Name | YUHONG |
| Model Number | ASTM A790 / ASME SA790 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1200tons/month |
| Delivery Time | 5-65 days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Materialrd | Duplex Stainless Steel | Product | Seamless Pipes |
| Standard | ASTM A790 / ASME SA790 | Grade | S32750 |
| Application | For General Service | Length | or as required |
| Certificate | ISO9001-2008, API 5L, API 5CT, etc. | Packing Details | Ply-wooden Case /Woven Bag in Bundle |
| Brand Name | YUHONG | Model Number | ASTM A790 / ASME SA790 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
ASTM A790 S32750 SMLS Super Duplex Steel Pipes Tuberias
YUHONG Group, a factory offers ASME SA790 / ASTM A790 S32750 SMLS duplex stainless steel pipes and we sell these pipes with high quality in many years.
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.
Chemical Composition % S32750 MAX
| C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu |
| 0.03 | 1.2 | 0.035 | 0.02 | 0.8 | 6-8 | 24-26 | 3-5 | 0.24-0.32 | 0.5 |
S32750 has excellent resistance to corrosion, especially in harsh environments such as seawater and chemical processing industries. This makes it a suitable choice for applications in oil and gas, desalination plants, and offshore drilling.This material has a higher strength compared to conventional stainless steels. This allows for the use of thinner tubes, reducing weight and material costs while maintaining structural integrity.
Tensile Requirements
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| S32750 | 550 | 800 | 15 min |
Besides,S32750 offers good weldability, allowing for easy fabrication and installation of tubes without compromising their performance. This makes it a viable option for various construction projects.The duplex structure of S32750 provides a unique combination of high strength and excellent corrosion resistance. This makes A790 S32750 tubes suitable for use in aggressive environments where both properties are required.
Despite its superior properties, S32750 is a cost-effective solution compared to other corrosion-resistant alloys. The reduced maintenance and long-term durability of A790 S32750 tubes provide cost savings over the product's lifespan.
In summary, A790 S32750 tubes offer numerous advantages due to the material's corrosion resistance, high strength, weldability, and cost-effectiveness. These properties make them an ideal choice for applications that require durability and reliability in challenging environments.
Heat Treatment
| UNS | Heat Treating Temperature | Quench |
| S32750 | 1880-2060°F [1025-1125°C] | Rapid cooling in air or water |
Test Required
Chemical Analysis/ Mechanical Properties/ Hardness Test/ Flattening Test/ Tension Test/ FlaringTest
Intergranular Corrosion Test/ Hydrostatic or Nondestructive Electric Test/ Ultrasonic Test,etc
Hardness Requirements
| HBW | HRC |
| 300 max | 32max |
Applications
A790 S32750 tubes are made from the material known as S32750, which is a super duplex stainless steel. These tubes are used in various applications where corrosion resistance and high strength are required.
Oil and Gas
Chemical Processing
Desalination Plants
Sea Water Equipment
Pulp and Paper Industry
Condensers & Boiler & Heat Exchangers
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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