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ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

    Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers
     
    Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers
    • Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers
    • Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers
    • Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers
    • Buy cheap ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes from wholesalers

    ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

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    Brand Name : Yuhong
    Model Number : ASTM A213 T9
    Certification : ABS, BV, DNV, CCS, LR
    Price : Negotiable
    Payment Terms : TT, LC
    Supply Ability : 4150 Ton Per Month
    Delivery Time : 20-80 days
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    • Company Profile

    ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

    Product Introduction: ASTM A213 T9 Chromium-Molybdenum Alloy Seamless Heat Exchanger Tubes

    1. Material & Chemical Composition

    ASTM A213 T9 tubes are crafted from a chromium-molybdenum (Cr-Mo) alloy steel, engineered for exceptional heat resistance and structural stability in high-temperature heat exchange systems. Their chemical composition adheres strictly to ASTM standards:

    ElementContent RangeFunction
    Carbon (C)0.15-0.25%Enhances high-temperature strength
    Chromium (Cr)8.00-10.00%Improves oxidation and corrosion resistance
    Molybdenum (Mo)0.90-1.10%Boosts creep resistance at elevated temps
    Manganese (Mn)≤0.60%Aids in grain refinement
    Silicon (Si)≤0.50%Enhances oxidation resistance
    Phosphorus (P)≤0.025%Minimized to prevent brittleness
    Sulfur (S)≤0.025%Controlled to reduce corrosion risk

    2. Mechanical Properties

    Designed for extreme thermal stress, these tubes deliver superior mechanical performance in high-heat environments:

    PropertyValueAdvantage in Applications
    Tensile Strength≥515 MPaResists rupture under pressure
    Yield Strength≥205 MPaMaintains integrity under load
    Elongation (in 50mm)≥30%Accommodates thermal expansion
    Maximum Operating Temp650°C (1202°F)Ideal for high-temperature heat exchangers

    3. Equivalent Materials & Standards

    For global project compatibility, ASTM A213 T9 aligns with these international equivalents:

    StandardMaterial GradeRegion
    ASTM A213 T9Cr-Mo Alloy SeamlessUSA
    DIN 1717510CrMo9-10Europe
    JIS G3462STBA 26Japan
    GB 531012Cr1MoVGChina

    4. Processing Technology

    Our ASTM A213 T9 tubes undergo precision manufacturing to ensure reliability:

    1. Seamless Production: Hot-rolled from alloy billets, ensuring uniform wall thickness and no weak seams.
    2. Solution Annealing: Heat-treated at 900-980°C to optimize grain structure and enhance creep resistance.
    3. Cold Finishing: Optional cold drawing for tight dimensional tolerances (±0.3% on diameter).
    4. Quality Validation: 100% ultrasonic testing, eddy current inspection, and hydrostatic pressure testing (at 30% above design pressure).

    5. Application Scenarios

    Perfect for high-temperature heat exchange systems in:

    • Petrochemical Industry: Refinery heat exchangers, reformers, and hydrocrackers.
    • Power Generation: Boiler superheaters, reheaters, and turbine cooling systems.
    • Chemical Processing: High-temperature reactors and process heat exchangers.

    6. Product Advantages

    • Extreme Temp Resistance: Maintains strength at up to 650°C, outperforming standard carbon steel tubes.
    • Creep Resistance: Cr-Mo alloy minimizes deformation under long-term high-temperature stress.
    • Corrosion Resistance: Chromium content resists oxidation and chemical attack in harsh environments.
    • Seamless Reliability: Eliminates leak risks, critical for high-pressure heat exchange applications.

    7. FAQ

    Q1: Can these tubes be customized for specific lengths or wall thicknesses?
    A: Yes, we offer diameters from 12mm to 168mm, wall thicknesses from 1.5mm to 12mm, and cut-to-length options (1-12m) with precision end finishes.

    Q2: What certifications are provided with each order?
    A: All tubes include ASTM A213 certification, mill test reports (MTR), and optional ASME BPVC Section I/II stamps for pressure vessel applications.

    Q3: How do these compare to carbon steel tubes in high-heat applications?
    A: ASTM A213 T9 offers 30% higher creep resistance and 50% better oxidation resistance than carbon steel, extending service life in temperatures above 450°C.

    8. About Yuhong Holding Group Co., Ltd

    With 20 years of export expertise to 80+ countries, Yuhong is ranked among China’s top 5 finned tube exporters. Beyond finned tubes, we specialize in high-performance boiler tubes, heat exchanger tubes, and custom alloy solutions. Our 55 production lines, 110+ skilled workers, and 20,000㎡ facility—equipped with advanced heat treatment and testing equipment—ensure compliance with global standards (ASTM, ASME, DIN).

    We deliver on-time, with 24/7 technical support and tailored solutions.

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