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Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

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    Buy cheap Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod from wholesalers
     
    Buy cheap Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod from wholesalers
    • Buy cheap Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod from wholesalers
    • Buy cheap Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod from wholesalers
    • Buy cheap Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod from wholesalers

    Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

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    Brand Name : NEW-ERA
    Model Number : M3-M60
    Certification : ISO9001/TS16949
    Price : Negotiation
    Payment Terms : L/C, T/T
    Supply Ability : 2000tons per month
    Delivery Time : 20-30days
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    Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

    ASTM A320 L7 Full Threaded steel Rod ASTM A320 L7 Alloy Steel threaded rods

    The ASTM A320 specification covers alloy steel and stainless steel bolting materials for low temperature service. This standard covers rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings.

    1. Specifications and materials

    dentificationL7, L7M, L70L7A, L71L7B, L72L43
    GradeChromium- Molybdenum
    (AISI 4140, 4142, or 4145)    		Carbon- Molybdenum
    (AISI 4037)    		Chromium-
    Molybdenum
    (AISI 4137)    		Nickel-Chromium-
    (AISI 4340)


    2. Chemical composition of A320 L7 steels.:

    ElementL7 (AISI 4140)L43 (AISI 4340)B8 (AISI 304)B8M (AISI 316)
    Carbon0.37 - 0.49%0.38 - 0.43%0.08% max0.08% max
    Manganese0.65 - 1.10%0.75 - 1.00%2.00% max2.00% max
    Phosphorus, max0.04%0.04%0.05%0.05%
    Sulfur, max0.04%0.04%0.03%0.03%
    Silicon0.15 - 0.35%0.15 - 0.35%1.00% max1.00% max
    Chromium0.75 - 1.20%0.70 - 0.90%18.0 - 20.0%16.0 - 18.0%
    Nickel1.65 - 2.00%8.0 - 11.0%10.0 - 14.0%
    Molybdenum0.15 - 0.25%0.20 - 0.30%2.00 - 3.00%


    3. Mechanical properties of A320 L7,L7ML43 and so on..

    Grade and ClassDiameterHeat TreatmentTensile Str
    Min KSI    		Yield Str 0.2%
    Offset KSI    		Elongation
    in 2in. Min, %    		Reduction of
    Area Min, %    		Hardness
    max
    FERRITIC STEELS
    L7, L7A, L7B, L7C, L70,
    L71, L72, L73    		2-1/2" and underquench and tempered1251051650
    L434" and underquench and tempered1251051650
    L7M2-1/2" and underquench and tempered
    @ 1150F, min    		100801850235 HB / 99HRB
    L11" and underquench and tempered1251051650
    AUSTENTIC STEELS
    CLASS 1: B8, B8C, B8M,
    B8P, B8F, B8T, B8LN, B8MLN    		ALLcarbide solution treated75303050223 HB or 96 HRB
    CLASS 1A: B8A, B8CA,
    B8MA, B8PA, B8FA, B8TA,
    B8LNA, B8MLNA    		ALLcarbide solution treated75303050192 HB or 90 HRB
    CLASS 2: B8, B8C, B8P,
    B8F, B8T    		3/4" and undercarbide solution treated
    and strain hardened    		1251001235321 HB or 35 HRC
    over 3/4 to 1" incl115801530321 HB or 35 HRC
    over 1" to 1-1/4" incl105652035321 HB or 35 HRC
    over 1-1/4" to 1-1/2" incl100502845321 HB or 35 HRC
    CLASS 2: B8M3/4" and undercarbide solution treated
    and strain hardened    		110951545321 HB or 35 HRC
    over 3/4 to 1" incl100802045321 HB or 35 HRC
    over 1" to 1-1/4" incl95652545321 HB or 35 HRC
    over 1-1/4" to 1-1/2" incl90503045321 HB or 35 HRC


    4. Sizes we can also for full Threaded rods: 1/4‘’ to 4‘’

    5. MOQ: Normally we don't have any MOQ requirements, because we produce threaded rods for big quantity every month

    6. Delivery time : 7-30 days upon to the sizes & quantity.

    Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded RodAlloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded RodAlloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

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    Alloy Steel Large Threaded Rod , ASTM A320 L7 Forged Double End Threaded Rod

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