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ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater

ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater

  • ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater
  • ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater
  • ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater
ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater
Détails sur le produit:
Lieu d'origine: CHINE
Nom de marque: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Numéro de modèle: ASTM A213 T9
Conditions de paiement et expédition:
Quantité de commande min: 500 kg
Prix: Négociable
Détails d'emballage: Cas Pli-en bois/caisse/paquet de fer avec le chapeau en plastique
Délai de livraison: Dépend de la quantité
Conditions de paiement: L / C, T / T
Capacité d'approvisionnement: Selon des exigences de client
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Description de produit détaillée
Nom de produit: Tube sans couture en acier en alliage Spécification: ASTM A213 / ASME SA213
Matériel: T9 Taper: Sans couture
Fin: Fin ordinaire, extrémité biseautée Application: Chaudière, surchauffeur, échangeur de chaleur
Mettre en évidence:

ASTM A213 T9 alloy steel tube

,

seamless boiler superheater tube

,

alloy steel tube with warranty

ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater

 

 

ASTM A213 T9 is a standard specification for seamless ferritic and austenitic alloy steel boiler, superheater, and heat-exchanger tubes. The T9 grade is a specific chromium-molybdenum alloy steel known for its excellent elevated temperature strength and oxidation resistance.

 

 

1. Key Characteristics & Applications

  • Primary Use: These tubes are primarily designed for high-temperature service environments, making them ideal for:

    • Power Generation Boilers: Superheater and reheater tubes.

    • Fossil Fuel Plants: Heat exchangers, condenser tubes, and piping systems.

    • Petrochemical Industry: Components in refineries and chemical processing equipment where resistance to corrosion and heat is critical.

  • Main Advantages:

    • Good Elevated Temperature Strength: Maintains structural integrity and resists creep (deformation under long-term stress at high temperatures).

    • Oxidation Resistance: The chromium content provides a protective oxide layer, preventing scaling and degradation in oxidizing atmospheres.

    • Weldability and Formability: Can be welded and fabricated using standard procedures suitable for chromium-molybdenum steels.

 

 

2. Chemical Composition

Element Composition (%)
Carbon (C) 0.15 max
Manganese (Mn) 0.30 - 0.60
Phosphorus (P) 0.025 max
Sulfur (S) 0.025 max
Silicon (Si) 0.25 - 1.00
Chromium (Cr) 8.00 - 10.00
Molybdenum (Mo) 0.90 - 1.10

 

 

3. Mechanical Properties

Property Requirement
Tensile Strength ≥ 415 MPa (60 ksi)
Yield Strength ≥ 205 MPa (30 ksi)
Elongation ≥ 30% (in 2 inches or 50mm)

 

 

4. Manufacturing Standard

The tubes are manufactured as seamless (without a weld seam) through a process like extrusion or piercing, ensuring uniformity and strength throughout the tube's circumference. This makes them highly reliable for high-pressure applications.

 

 

ASTM A213 T9 Alloy Steel Seamless Tube for Boiler Superheater 0

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