Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A312 UNS S31254 Seamless Duplex Stainless Steel Pipes
YUHONG Group offers ASTM A312 S31254 SMLS duplex stainless steel pipes and we sell these pipes with high quality in many countries.
Chemical Composition % S31254
| C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu |
| 0.02max | 1max | 0.03max | 0.01max | 0.8max | 17.5-18.5 | 19.5-20.5 | 6-6.5 | 0.18-0.22 | 0.5-1 |
ASTM A312 UNS S31254 material has many advantages.One advantage is its high resistance to corrosion. This stainless steel grade is known for its excellent corrosion resistance in a wide range of aggressive environments, including seawater, chloride solutions, and acidic and alkaline environments. This makes it suitable for use in various industries such as oil and gas, chemical processing, and marine applications.
Another advantage is its high strength and impact toughness. ASTM A312 UNS S31254 has a high tensile strength and yield strength, allowing it to withstand high-pressure and high-stress conditions. Additionally, it has good ductility and impact toughness, which makes it less susceptible to cracking or failure under impact or dynamic loading.
Furthermore, this material is highly resistant to pitting, crevice corrosion, and stress corrosion cracking. These resistance properties make it a reliable choice for applications in aggressive environments where the risk of localized corrosion is high.
Moreover, this stainless steel grade offers good weldability and can be easily fabricated into various shapes and sizes. It can be welded using
Tensile Requirements
| S31254 | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| t ≤ 0.187 in. (5mm) | 310 | 675 | Logitudinal 35% Transverse 25% |
Heat Treatment
S31803--------------------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
Applications Industries
Pulp and Paper Industry
Sea Water Equipment
Food Processing- Salt Making,etc.
Petrochemicals- Oil Refining Chemical,etc.
Condensers & Boiler & Heat Exchangers
Energy Field- Nuclear Power Generation,Tidal Power Generation,etc
Environmental Protection Field- Gas Processing,Waste Water Treatment,etc.