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SAF 2507 UNS S32750 Stainless Seamless Boiler Tubes / Duplex Stainless Steel Pipe DIN1.4410

Categories Seamless Boiler Tubes
Brand Name: HDT
Model Number: 2205 2507
Certification: SGS, ISO, BV
Place of Origin: China(Mainland)
MOQ: 25T
Price: 800 - 9000 USD per ton
Payment Terms: L/C, T/T, Western Union
Supply Ability: About 10000 tons per month
Delivery Time: 60-75days after getting the down payment or L/C
Packaging Details: seaworthy packing for exporting
Steel Grade: Seamless Duplex Stainless Steel SAF 2507 UNS S32750 Duplex Steel Tube DIN1.441
Technique: Annealed Pickling
Application: petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,paper making,shipbuilding,boiler fields
OD: 6-650MM
WT: 1-52mm
Length: 2000-12000mm
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    • Product Details
    • Company Profile

    SAF 2507 UNS S32750 Stainless Seamless Boiler Tubes / Duplex Stainless Steel Pipe DIN1.4410

    Part 1 . Product Description


    Seamless Duplex Stainless Steel SAF 2507 UNS S32750 Duplex Steel Boiler Tubes DIN1.4410


    Product Name2205 2507 Duplex Stainless Steel Seamless Boiler TubeS Chemical / Petrochemical Industry
    Grade202 304 304L 309S 310S 316L 317L 321 347 904L 2205 2507 .etc
    StandardASTM,AISI, ASME ,SUS,JIS,EN,DIN,BS,GB .etc
    CertificationISO,SGS, BV
    BrandChina brand


    SIZE
    OD : 6-650 mm
    Wall Thickness : 1-52mm
    Length: 6m or as your requirement
    Ends1) Plain
    2) Beveled
    3) Thread with Coupling or cap
    End protector1) Plastic pipe cap
    2) Iron protector
    Surface Treatment1) Bared
    2) Black Painted (varnish coating)
    3) Galvanized
    4) With Oiled
    5) 3 PE, FBE, corrosion resistant coating
    Payment termsL/C TT
    PackageStandard export packing or as per customer’s request.
    Deliver time5-7 days according to quantity




    Part 2 . Applications

    Chemical and petrochemical processing industries;
    Oil and gas industry;
    Application of fertilizer industry.

    Part 3 . Products List

    • stainless steel sheet /plate
    • Stainless steel coil
    • Stainless steel pipe/tube
    • Stainless steel bar/rod
    • Stainless steel square/angle bar
    • Galvanized steel sheet/plate
    • Galvanized steel coil
    • Galvanized steel pipe/tube


    Material/Grade : 304 321 316 316L 310S 309S 202 201 430 409L 444 410s 904L 2205 2507 Incoloy 800 800H 800HT 825 Inconel 600 625 718 Monel 400 Hastelloy C-276.etc



    Part 4 . Packing and Shipping

    Standard export packing or as per customer’s request .



    Part 5 . Company Information---The Reason Why You Will Choose Us

    • We are an large storage company and have our own factory . We specialize in stainless steel products for 25 years, we can supply Processing services , including cutting ,welding , surface treatment and precision processing.
    • We mainly specialize in stainless steel sheet/plate/circle/coil/strip/pipe/tube/bar. etc and galvanized steel sheet/plate/coil/strip. etc . More than 200 kinds of products for your choice .
    • We can also supply special stainless steel product , such as Monel / Incoloy / Inconel / Hastelloy .etc
    • we have strict inspection system to ensure the quality, and all processes are carried out according to ISO 9001: 2008.
    • we are nominated as the AAA enterprise by Jiangsu government.
    • We are powerful manufacturer audited by world top inspection company ISO ,SGS, TUV and BV.
    • Our products have been exported to more than 30 countries and regions, including

      Europe,Middle East,South Asia,South America,Africa,United Arab Emirates .etc.

    • The annual production capacity is 50000 tons stainless steel products.

    Part 6 . Our Service


    1Free samples will be available for most of the products
    224 hours online to ensure your inquiry will be replied within 12 hours
    3Most products can be delivered within 7 days after order
    4Small trial order can also be accepted
    5Customized Size & Surface Treatment as your requirement
    6Quality Inspection---We can provide MTC , PMI inspection , and SGS inspection or other third Party Inspection .
    7If you are not sure about what exactly you need - feel free to contact us anytime and get professional assistance from us


    Part 7 . About 2507

    Alloy 32750 is a super duplex stainless steel supplied in the solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50°C.

    Supplied in the annealed condition, it achieves yield strengths of 80ksi (550Mpa), greater than most austenitic and duplex stainless steel grades. It cannot be hardened by heat treatment but can be strengthened by cold working. It also exhibits a low coefficient of thermal expansion and higher heat conductivity than austenitic steels and is suitable for working temperatures up to 300°C. Alloy 32750 is listed in NACE MR 0175 for sour service and having gained ASME Approval for Pressure Vessel applications it can be used in a wide variety of applications.


    hemical Composition:

    CrNiMoCoNb (+Ta)TiVWCuCMnNSiPSFeAl
    Min24.506.003.000.500.240.10
    Max26.008.005.000.500.031.200.320.800.0350.020Bal

    Mechanical Properties:

    0.2% Proof Stress550 N/mm279.8 ksi
    Tensile Strength800 N/mm2116 ksi
    Elongation, 5.65√S025%
    Reduction of area45%
    Hardness (Brinell)<270
    Impact Strength (Room Temp)80J
    Impact Strength (-46oC)Longitidinal 45J (35J min)
    Transverse 45J (35J min)

    Notes:

    1. Testing shall be carried out in accordance with ASTM A370 or EN ISO 6892-1 (tensile), EN ISO 6506-1 (hardness)
    2. Minimum properties quoted (tested at room temperature in a longitudinal direction)
    3. Testing performed on each melt of material per heat treatment batch
    4. Hardness shall be in accordance with NACE MR 1075 with a maximum HRC of 25
    5. ASTM G48A corrosion test (at 50°C) No pitting and < 3.0g/m2 weight loss (ASTM specification < 4.0g/m2)
    6. Ferrite content 35-55%
    7. Microstructure certified free from grain boundary carbides, sigma, chi and laves phases

    Physical Properties:


    Density (Kg/m3)7810
    Magnetic Permeability (20°C)33
    Young’s Modulus (kN/mm2)199
    Specific Electrical Resistance, 20°C (µΩ.m)0.8
    Mean coefficient of thermal expansion, 20-300°C (m/m/oC)11.1 x 10-6
    Specific Heat, 20°C (J/kg.K)475
    Thermal conductivity, 20°C (W/m.K)14.2

    Quality SAF 2507 UNS S32750 Stainless Seamless Boiler Tubes / Duplex Stainless Steel Pipe DIN1.4410 for sale
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