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ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe

  • ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe
Place of Origin CHINA
Brand Name Shangle
Certification PED,IS09001
Model Number 12.7
Minimum Order Quantity Negotiable
Price Negotiable
Packaging Details Woven Packing
Delivery Time 30DAYS
Payment Terms L/C, T/T
Supply Ability 500TONS/30DAYS

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Product Details
Material S31803/s32205/309S/2520/314/317/347/904/254 Standard AISI, ASTM, DIN, EN, GB
Shape SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80 Technique Cold Draw
Application Oil, Petroleum/Power Package Woven Packing
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Duplex Stainless Steel Seamless Pipe

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UNS S31254 Steel Seamless Pipe

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ASTM A312 Steel Seamless Pipe
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Product Description

ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe

 

 

Duplex stainless steels are characterized by their high levels of both ferrite and austenite phases, which give them excellent strength and corrosion resistance. ASTM A312 254SMO / UNS S31254 duplex stainless steel seamless pipes are commonly used in industries such as chemical processing, oil and gas, and pulp and paper. These pipes are made using a seamless manufacturing process, which ensures that they have a uniform wall thickness and smooth surface finish. They are available in various sizes and thicknesses, and can be customized to meet specific requirements.

 

 

Equivalent Grade of A312 254SMO Stainless Steel Seamless Pipes

UNS EN Number EN Name W.Nr. SS AFNOR
S31254 1.4547 X1CrNiMoCuN20-18-7 1.4529 2378 Z1 CNDU 20.18.06AZ

 

 

Chemical Composition of ASTM A312 254SMO Stainless Steel Seamless Pipes

C Si Mn P S Cr Ni Mo N Cu
≤0.020 ≤0.80 ≤1.00 ≤0.030 ≤0.010 20 18 6.1 0.20 0.7
 

 

Mechanical Properties of ASTM A312 254SMO Stainless Steel Seamless Pipes

Properties Metric Imperial
Tensile strength 680 MPa 98600 psi
Yield strength 300 MPa 43500 psi
Modulus of elasticity 195 GPa 28300 ksi
Shear modulus 75 GPa 10900 ksi
Poisson’s ratio 0.30 0.30
Elongation at break 50 % 50 %
Hardness, Brinell 210 210

 

 

The physical properties of ASTM A312 254SMO Stainless Steel Seamless Pipes

Specific Heat (0-100°C) 500 J.kg-1.°K-1
Thermal Conductivity 14 W.m -1.°K-1
Thermal Expansion 16.5 mm/m/°C
Modulus Elasticity 196 GPa
Electrical Resistivity 8.5 μohm/cm
Density 8.0 g/cm3

 

 

The Thermal Properties of ASTM A312 254SMO Stainless Steel Seamless Pipes

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 16.5 µm/m°C 9.17 µin/in°F
Thermal conductivity 14 W/mK 97.2 BTU in/hr.ft².°F

 

 

Apllications

  • Saltwater handling

  • Tall oil distillation columns
  • Flue gas desulfurization scrubbers
  • Components used in petroleum production
  • Food processing equipment
  • Process equipment in chemical industry
  • Bleaching equipment in the pulp and paper industry
  • Flue-gas cleaning
  • Desalination
  • Heat exchangers
  • Equipment for handling of seawater, such as, seawater cooling, cooling water Pipes, ballast water systems, firefighting systems etc.
  • Hydraulic and instrumention tubing
  • Equipment in pulp bleaching plants
  • Components in gas cleaning systems
  • Tanks and pipelines for chemicals with high halide contents


ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe 0

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