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ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems

    Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers
     
    Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers
    • Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers
    • Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers
    • Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers
    • Buy cheap ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems from wholesalers

    ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems

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    Brand Name : YUHONG
    Model Number : ASME SA350 LF2 Class 1
    Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
    Price : Negotiable
    Payment Terms : L/C, T/T
    Supply Ability : 800 Tons/ Month
    Delivery Time : 15-20 Days
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    ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems

    ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems


    ​​YUHONG GROUP​​ specializes in manufacturing ​​ASME-certified forged steel flanges​​ for critical low-temperature applications. Our ​​ASTM A350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flanges​​ are engineered to deliver reliable performance in cryogenic piping systems operating as low as ​​-46°C​.


    ​​Chemical Composition of ASTM A350 LF2 (UNS K03011) Forged Steel Flange​


    ​Element​​Requirement (%)​​Notes​
    ​Carbon (C)​≤0.30Controlled for weldability
    ​Manganese (Mn)​0.60-1.35Enhances strength and toughness
    ​Phosphorus (P)​≤0.035Minimizes brittleness
    ​Sulfur (S)​≤0.040Improves machinability
    ​Silicon (Si)​0.15-0.30Deoxidizer and strength enhancer
    ​Nickel (Ni)​≤0.40Part of the alloy sum restriction
    ​Chromium (Cr)​≤0.30Part of the Cr+Mo sum restriction
    ​Molybdenum (Mo)​≤0.12Part of the Cr+Mo sum restriction
    ​Copper (Cu)​≤0.40Part of the alloy sum restriction
    ​Columbium (Cb)​≤0.02Controlled for weldability
    ​Vanadium (V)​≤0.08Grain refinement control

    Tensile Properties for ASTM A350 LF2 Class 1/2


    ​Property​​Requirement for LF2 Class 1 & 2​​Notes​
    ​Tensile strength​70-95 ksi [485-655 MPa]Range applies to both Class 1 & 2
    ​Yield strength, min​36 ksi [250 MPa]By a 0.2% offset or a 0.5% extension method
    ​Elongation (standard round specimen)​22% min in 4D gauge lengthFor full-section testing
    ​Elongation (strip specimen)​30% min in 2 in. (50 mm)For thickness ≥7.94 mm
    ​Reduction of area, min​30%Applies to round specimens only

    Impact Test Temperature for ASME SA350


    ​Grade​​Test Temperature, °F [°C]​
    LF1-20 [-29]
    LF2, Class 1-50 [-46]
    LF2, Class 20 [-18]
    LF3, Classes 1 and 2-150 [-101]
    LF5, Classes 1 and 2-75 [-59]
    LF6, Classes 1 and 2-60 [-51]
    LF6, Class 30 [-18]
    LF9-100 [-73]
    LF787, Class 2-75 [-59]
    LF787, Class 3-100 [-73]

    ​​Key Advantages of ASTM A350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange​

    ​​1. Certified Low-Temperature Performance​​

    ​​Guaranteed impact toughness​​ at -46°C (-50°F) per ASTM A350 Table 4

    ​​Class 1 designation​​ ensures superior performance in cryogenic service compared to Class 2

    ​​2. Optimized Material Composition​​

    ​​Controlled carbon content (≤0.30%)​​ enables excellent weldability without preheat requirements

    ​​Manganese content (0.60-1.35%)​​ provides an optimal balance of strength and toughness

    ​​3. Manufacturing Reliability​​

    ​​Forged construction​​ eliminates defects and ensures structural integrity under pressure

    ​​Full traceability​​ with heat number marking and EN 10204 3.1 certification available

    ​​4. Quality Verification​​

    ​​100% non-destructive testing​​ (PT/MT/UT) available upon request

    ​​Third-party inspection​​ acceptance (SGS/BV/DNV)

    Quality ASME SA350 LF2 Class 1 Forged Carbon Steel Nozzle Cover Flange for Piping Systems for sale
    Company Info.
    Yuhong Group Co.,Ltd
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