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Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes

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    Buy cheap Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes from wholesalers
     
    Buy cheap Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes from wholesalers
    • Buy cheap Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes from wholesalers
    • Buy cheap Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes from wholesalers
    • Buy cheap Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes from wholesalers

    Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes

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    Brand Name : TOBO
    Model Number : ASTM A790
    Certification : SGS/ABS/LR/TUV/DNV/BIS/API/PED
    Price : Based on the number
    Payment Terms : T/T, Western Union
    Supply Ability : 10000t/month
    Delivery Time : 25 workdays
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    Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes

    Super Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes

    Product NameSuper Duplex Stainless Steel Pipe BE ASTM A790 3" SCH80 UNS ASME B36.10M Round Pipes
    MaterialASTM A106,A53GRB,A53-A,A106-A,A192,A226,A315-B,A106-B,A178-C,A210-A-1,A210-C,A333-1.6,A334- 1.6,A333-7.9,A334-7.9,150M19,En46 and so on.
    Colorblack painted, galvanized
    StandardAPI 5L, API 5CT, DIN1629/2448, DIN17175, ASTM A53, ASTM A106B, ASTM A179, ASTM A210, ASTMA335, ASTMA519 and so on.
    Size1/2" ~48", DN15~DN1200 OD21.3MM~1219.2MM
    Wall Thicknessseamless pipe 1/2" ~24", DN15~DN600 OD21.3MM~609.6MM

    Welded pipe 1/2" ~48", DN15~DN1200 OD21.3MM~1219.2MM
    Surface TreatmentTransparent oil, rust-proof black oil or hot galvanized
    UsedPetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, nuclear, etc

    Introduction

    Stainless steel seamless steel pipe is a kind of long steel with hollow section and no joints around. Stainless steel seamless pipe

    Features of stainless steel seamless pipe:

    First, the thicker the wall thickness of the product is, the more economical and practical it is. The thinner the wall thickness is, the higher the processing cost will be; Secondly, the process of the product determines its limited performance. Generally, the precision of seamless steel pipe is low: uneven wall thickness, low brightness on the inner and outer surfaces of the pipe, high sizing cost, and pockmarks and black spots on the inner and outer surfaces are not easy to remove; Third, its detection and shaping must be handled offline. Therefore, it shows its advantages in high pressure, high strength and mechanical structure materials.


    Duplex stainless steel has about half of ferrite phase and half of austenite phase in its solid solution structure. Generally, the content of small phase should reach 30%. With low C content, Cr content is 18%~28% and Ni content is 3%~10%. Some steels also contain alloy elements such as Mo, Cu, Nb, Ti and N.


    Classification of duplex stainless steel:


    1. Low alloy type

    It indicates the grade (23Cr-4Ni-0.1N). There is no molybdenum in the steel. PREN (pitting resistance equivalent) is 24-25. It can replace AISI304 or 316 for stress corrosion.


    2. Alloy

    Representative grade (22Cr-5Ni-3Mo-0.15N), PREN (pitting resistance equivalent) is AISI 316L and the corrosion resistance between 6% Mo N austenitic stainless steel is 32-33.


    3. High alloy type

    It generally contains 25% Cr, molybdenum and nitrogen, copper and tungsten. Standard grade (25Cr-6Ni-3Mo-2Cu-0.2N), PREN (pitting equivalent) is 38-39, and the corrosion resistance of this steel is higher than that of duplex stainless steel with 22% Cr.


    4. Super duplex stainless steel

    The standard grade (25Cr-7Ni-3.7Mo-0.3N) and PREN (pitting resistance equivalent) are greater than 40, which are suitable for demanding medium conditions and have good corrosion resistance and mechanical properties, comparable to super austenitic stainless steel.


    Alloy 32750 is a super duplex stainless steel supplied in the hot worked and solution annealed states. As a super duplex stainless steel, it combines the ideal aspects of austenite and ferrite grades. The higher content of chromium, molybdenum and nitrogen leads to the pitting resistance equivalent value (PREN)>40, which provides better pitting and crevice corrosion properties than austenitic and duplex stainless steels in almost all corrosion media, and the critical pitting temperature exceeds 50 ° C


    Q1: Are you trading company or manufacturer ?


    A: We are factory.


    Q2: How long is the delivery ?


    A: 15-30 working days


    Q3: Do you provide samples ? is it free or extra ?


    A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


    If you want to get more information of the products, send me e-mail or by skype, whatsapp etc.


    If any questions,you can call me mobile phone at any times:0086-15710108231



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