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ASTM A376 TP347H Seamless Stainless Steel Pipe For Petrochemical Industry

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ASTM A376 TP347H Seamless Stainless Steel Pipe For Petrochemical Industry

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Brand Name : YUHONG

Model Number : ASTM A376 TP347H

Certification : ISO, SGS, BV, ISO&SGS, ISO/CE/SGS

Place of Origin : CHINA

MOQ : 500 kgs

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : According to client requirements

Delivery Time : 7 days

Packaging Details : Ply-wooden Case / Iron Case / Bundle with plastic Cap

Standard : ASTM,AISI,GB,DIN,JIS

Type : Seamless,Welded,round pipe / tube

Outer Diameter : 6-630mm, 6-762mm, 6-860mm, Customized

Thickness : 0.4-30mm, 1.0mm, 0.6-2500mm,1-60mm, 0.6-25mm

Length : 3000-6000mm, Customized, 1800max, 11.8m Or As Required, 8m

Technique : Cold Rolled Hot Rolled, Cold Drawn, Extrusion, Cold Drawn/Cold Rolling Or Both Of Them

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ASTM A376 TP347H Seamless Stainless Steel Pipe For Petrochemical Industry

ASTM A376 TP347H is a high-temperature, corrosion-resistant, seamless stainless steel pipe widely used in demanding industrial applications. It is part of the austenitic stainless steel family, specifically developed for elevated temperature environments where resistance to creep and oxidation is required.

Key Features

  • High-Temperature Strength:
    TP347H contains columbium (niobium) and high carbon content, which enhance its creep strength and long-term stability at elevated temperatures.

  • Corrosion Resistance:
    Excellent resistance to intergranular corrosion due to stabilized elements, making it suitable for applications involving aggressive environments.

  • Seamless Construction:
    The seamless design ensures high mechanical strength and eliminates weak points, providing durability under high pressures and temperatures.

  • Oxidation Resistance:
    Resistant to oxidation at temperatures up to 870–980°C (1600–1800°F), making it ideal for heat exchangers, boilers, and superheaters.

Chemical Composition (Typical)

Element Content (%)
Carbon (C) 0.04–0.10
Chromium (Cr) 17.0–19.0
Nickel (Ni) 9.0–13.0
Manganese (Mn) ≤2.0
Silicon (Si) ≤1.0
Phosphorus (P) ≤0.045
Sulfur (S) ≤0.030
Niobium (Cb) 10×C to 1.0

Mechanical Properties

Property Value
Tensile Strength ≥515 MPa (75 ksi)
Yield Strength (0.2%) ≥205 MPa (30 ksi)
Elongation ≥35%
Hardness (Brinell) ≤223 HB

Applications

  • Power Generation: Boilers, heat exchangers, and superheater tubes in power plants.
  • Petrochemical Industry: Refinery furnaces, chemical processing units, and high-temperature piping systems.
  • Aerospace: Components requiring high-temperature resistance.
  • Industrial Heating: Heat treatment equipment and furnaces.

Advantages

  • Long service life in high-temperature environments.
  • Stable microstructure due to the addition of niobium and titanium.
  • Excellent weldability and machinability.

ASTM A376 TP347H Seamless Stainless Steel Pipe For Petrochemical Industry


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