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ASTM A213 TP444 Seamless Ferritic Austenitic Alloy Steel Tube for Heat Exchangers

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ASTM A213 TP444 Seamless Ferritic Austenitic Alloy Steel Tube for Heat Exchangers

Name: ASTM A213 TP444 Seamless Ferritic Austenitic Alloy Steel Tube for Heat Exchangers
Brand: YUHONG GROUP
Price: 1 USD

Quality ASTM A213 TP444 Seamless Ferritic Austenitic Alloy Steel Tube for Heat Exchangers for sale

Brand Name : YUHONG GROUP

Model Number : TP444

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 1PC

Price : Negotiation

Payment Terms : T/T, L/C at sight

Supply Ability : 10000Ton/Month

Delivery Time : Depends on quantity

Packaging Details : Ply-wooden Case/Bundle

Material Grade : UNS NO8800

Standard : ASTM A213

Size : 0.5mm to 50mm

W.T : 10mm to 2500mm

Length : Single, Double Random & Cut Length

NDT : ET/HT/UT/PT

Packing : Ply-wooden Case/Bundle

Application : Gas Processing/Petrochemical

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ASTM A213 TP444 Seamless Ferritic Austenitic Alloy Steel Tube for Heat Exchangers

ASTM A213 TP444 is a seamless ferritic-austenitic alloy steel tube designed for use in high-temperature and high-pressure environments. It is primarily utilized in heat exchangers, boilers, and other applications requiring excellent resistance to corrosion, oxidation, and thermal fatigue.

Key Features:

Material Composition: TP444 is a ferritic stainless steel with high chromium and molybdenum content, providing superior corrosion resistance, especially in chloride-rich environments.
Corrosion Resistance: Exceptional resistance to pitting and crevice corrosion, making it suitable for seawater and chemically aggressive environments.
High-Temperature Performance: Excellent resistance to scaling and oxidation at elevated temperatures, making it ideal for heat exchanger and boiler tubes.
Mechanical Properties: Good mechanical strength, ductility, and workability.
Weldability: The material is weldable using standard processes, though preheating and post-weld heat treatment may be necessary for optimal results.

The chemical composition of ASTM A213 TP444 seamless ferritic stainless steel is specified as follows:

Element	Composition (Weight %)
Carbon (C)	≤ 0.025
Manganese (Mn)	≤ 1.00
Phosphorus (P)	≤ 0.040
Sulfur (S)	≤ 0.030
Silicon (Si)	≤ 1.00
Chromium (Cr)	17.5 – 19.5
Molybdenum (Mo)	1.75 – 2.50
Nickel (Ni)	≤ 0.50
Nitrogen (N)	≤ 0.035
Iron (Fe)	Balance

Applications:

Heat exchangers
Condensers
Boiler tubes
Power generation equipment
Chemical and petrochemical industries

Standards and Specifications:

ASTM Standard: ASTM A213
Grade: TP444
Dimensions: Available in various sizes and thicknesses as per application requirements.
Testing: Includes non-destructive testing, hydrostatic testing, and other inspections to ensure compliance with ASTM standards.

Advantages of TP444:

High resistance to corrosion in chloride and sulfur-containing environments.
Improved thermal conductivity compared to austenitic stainless steels.
Reduced thermal expansion, minimizing the risk of deformation under thermal cycling.
Cost-effective alternative to austenitic stainless steels like TP316 or TP317 in specific applications.

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