Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1500tons/month |
| Delivery Time | 5-65 days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Materialrd | Duplex Stainless Steel |
| Product | SMLS Tube |
| Standard | ASTM A312 |
| Grade | S31254 |
| Application | For General Service, Boiler, Oil And Gas, Oil Gas Sewage Transport |
| Length | 3-6M Or As Customized |
| Finish | Annealed & Pickled |
| Packing Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Brand Name | YUHONG |
| Model Number | ASTM A312 |
| 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 | 1500tons/month |
| Delivery Time | 5-65 days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Materialrd | Duplex Stainless Steel | Product | SMLS Tube |
| Standard | ASTM A312 | Grade | S31254 |
| Application | For General Service, Boiler, Oil And Gas, Oil Gas Sewage Transport | Length | 3-6M Or As Customized |
| Finish | Annealed & Pickled | Packing Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Brand Name | YUHONG | Model Number | ASTM A312 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
ASTM A312 UNS S31254 Seamless Duplex Steel Boiler Pipes
YUHONG Group offers ASTM A312 UNS S31254 SMLS duplex steel pipes and we sell these tubes with high quality in more than 70 countries up to now.
ASTM A312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service
Advantages
1.S31254 pipe is highly resistant to corrosion, even in harsh environments such as seawater, chloride solutions, and acidic media. This makes it suitable for applications in industries like chemical processing, desalination, and petrochemicals. And due to its excellent corrosion resistance, S31254 pipe requires less maintenance compared to other materials. This can result in cost savings in the long run.
2.S31254 pipe has excellent mechanical properties, including high tensile strength and yield strength, making it suitable for applications that require strength and durability.
3. S31254 pipe can withstand high temperatures and thermal shocks without losing its mechanical properties. It has a high melting point, which makes it suitable for high-temperature applications.
4. S31254 pipe can be easily welded using common welding techniques such as shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), and gas metal arc welding (GMAW). This allows for easy fabrication and installation.
Overall, the S31254 pipe offers superior corrosion resistance, high strength, and heat resistance, making it a reliable choice for demanding applications in corrosive environments.Pipes od this material can be used in various applications, including chemical processing, offshore oil and gas platforms, pulp and paper industry, and desalination plants. Its versatility makes it a preferred choice in many industries.
Specifications
| Standard | ASTM A312 |
| Name of Material | Duplex Stainless Steel Tubes----Seamless or Welded |
| Keywordas | Ferritic and Austentic stainless steel; welded steel tube; duplex steel tubes etc. |
| Condition | Annealed |
| Quantity | Feet,metres,or number of lengths |
| Length | Specific or random |
Heat Treatment
S31254--------------------Temperature 2100°F (1150°C)-----------------Quench: 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
Max Chemical Composition % S31254
| C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu |
| 0.02 | 1 | 0.03 | 0.01 | 0.8 | 17.5-18.5 | 19.5-20.5 | 6-6.5 | 0.18-0.22 | 0.5-1 |
Tensile Requirements
| S31254 | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation min |
| t ≤0.187in. | 675 min | 310 min | Longitudianl 35% Transverse 25% |
| t＞0.187in. | 655 min | 310 min | Longitudianl 35% Transverse 25% |
Applications Industries
Food Processing
Sea Water Equipment
Pulp and Paper Industry
Condensers & Boiler & Heat Exchangers
Petrochemicals- Oil Refining Chemical,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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