• Raajsagar Steels: super duplex 2507 pipe suppliers - super duplex pipe specification - chemical composition - corrosion resistance-equivalent-uns S32750 F53 - wnr 1.4410
  • Super Duplex Steel Pipe

    super duplex steel pipe ( super duplex 2507 seamless & welded pipe ) specification - chemical composition - corrosion resistance-equivalent-uns S32750 F53 - wnr 1.4410

    Standard fabricability 2507 super duplex stainless steel manufacturer, large inventory on stock. Fast Delivery Time - We can offer cut to size, No min Order Qty. Quick Delivery. Global super duplex steel pipe Supplier. Ready to Ship

    Super Duplex Steel Pipe

    Super Duplex Steel Pipe Supplier

    Raajsagar Steels is Manufacturer of Super Duplex Steel welded Pipe in india ,manufacturing Super Duplex Steel ERW pipes & Super Duplex Steel EFW welded pipe since 1999.We are ISO 9001 & 14000 certified Exporter of Super Duplex Steel Seamless pipe in india.We maintain over 1200 ton Austenitic Super Duplex Steel pipes in various shape,sizes & coating which makes us one of the largest stockist of Super Duplex Steel Pipes in India.

    In 1985 Raajsagar steels was incorporated as a trader of Super Duplex Steel Pipes in India & in 1990 became stocking Distributor of Nippon Sumitomo Make Super Duplex Steel Seamless Pipes & Jindal Make Super Duplex Steel welded Pipe. later in year 1994 we were recognised as a leading Distributor of Super Duplex Steel Pipe in India.Further we started stocking Super Duplex Steel Seamless Pipe of other manufacturers of Super Duplex Steel pipes in Japan & Europe like Kobelco,Sandvik,Sanyo Special Steels & Wuxi.In year 1998 Raajsagar Steels became Largest Stockist of Super Duplex Steel Seamless Pipe in India.

    Currently we have ready stock of Super super duplex steel pipe ( super duplex 2507 seamless & welded pipe ) at our stockyard in Mumbai,Maharashtra.Raajsagar Steels is only Supplier in india who Maintains Super Duplex Steel Seamless pipe in all Schedule like Schedule 40/SCH 80/SCH 160/SCH 10 /SCH XS /SCH XXS Super Duplex Steel Pipe.Widest Stock of Super Duplex Steel pipe in india enable us for prompt delivery to Middle east,Gulf countries,far east asian countries in any emergency.we can offer Super Duplex Steel Seamless Pipe at dealer price which helps us to prove one of the best Stockholder of Super Duplex Steel Pipe in India.

    Who we are?

    •  Super Duplex Steel welded Pipe Manufacturer in India
    •  Super Duplex Steel Seamless Pipe Supplier in India
    •  cold drawn Super Duplex Steel Pipe Exporter in India
    •  Super Duplex Steel Polish Pipe Distributor
    •  Super Duplex Steel Fabricated Pipe traders in india
    •  Super Duplex Steel Round Pipe Stockist in India
    •  Super Duplex Steel Pipe Stockholder in India
    •  Thin wall Super Duplex Steel Pipe Wholesaler in India
    •  Large diameter Super Duplex Steel Pipe Importer in India

     

    PRICE : super duplex stainless steel price per kg or per pound
    US $2-10 / Kilogram

    ASTM A789, A790 Duplex Steel Pipes Specification

    Dimensions : ASTM, ASME and API.

    Specifications : ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789

    Seamless Pipes & Tubes Sizes : 1 / 2” NB - 8” NB

    Welded Pipes Sizes : 6” NB - 24” NB

    Outer Diameter : 6.0-630mm

    Thickness : 0.3mm – 50 mm

    Schedule : SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

    Form : Round Pipes, Square Pipes, Rectangular Pipes, Coiled Pipe, “U” Shape, Pan Cake Coils, Hydraulic Pipe

    Type : Seamless / ERW / Welded / Fabricated / CDW

    Length : Single Random, Double Random & Required Length

    End : Plain End, Beveled End, Treaded

    Our Duplex & Super Duplex Steel Pipes conforms to NACE MR0175/ISO 15156

    Super Duplex 2507 UNS S32750 Overview

    Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking. 

    Usage of Super Duplex 2507 should be limited to applications below 600° F (316° C). Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of alloy 2507.

    Super Duplex 2507 possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. The resulting savings in weight can dramatically reduce the overall cost of fabrication.

    Super Duplex Corrosion Resistance

    2507 Duplex is highly resistant to uniform corrosion by organic acids such as formic and acetic acid. It is alsohighly resistant to inorganic acids, especially if they contain chlorides.  Alloy 2507 is highly resistant to carbide-related intergranular corrosion.  Due to the ferritic portion of the duplex structure of the alloy it is very resistant to stress corrosion cracking in warm chloride containing environments. Through additions of chromium, molybdenum and nitrogen localized corrosion such as pitting and crevice attack are improved.  Alloy 2507 has excellent localized pitting resistance.

    What are the characteristics of Duplex 2507?

    • High resistance to chloride stress corrosion cracking
    • High Strength
    • Superior resistance to chloride pitting and crevice corrosion
    • Good general corrosion resistance
    • Suggested for applications up to 600° F
    • Low rate of thermal expansion
    • Combination of properties given by austenitic and ferritic structure
    • Good weldability and workability

    Super Duplex Material Chemical Composition, %

    Cr

    Ni

    Mo

    C

    N

    Mn

    24.0-26.0

    6.0-8.0

    3.0-5.0

    0.030 Max

    .24-.32

    1.20 Max

    Si

    Cu

    P

    S

    Fe

     

    0.80 Max

    0.50 Max

    0.035 Max

    0.020 Max

    Balance

     

    In what applications is Duplex 2507 used?

    • Desalination Equipment
    • Chemical process pressure vessels, piping and heat exchangers
    • Marine Applications
    • Flue Gas Scrubbing Equipment
    • Pulp & Paper Mill Equipment
    • Offshore Oil production/technology
    • Oil and gas industry equipment

    Super Duplex ASTM Grades - Specifications

    Super Duplex Pipe Seamless

    Super Duplex Pipe Welded

    Super Duplex Tube Seamless

    Super Duplex Tube Welded

    Super Duplex Sheet/Plate

    Super Duplex Bar

    Super Duplex Flanges & Fittings

    Astm A790

    Astm A790

    Astm A789

    Astm A789

    Astm A240

    Astm A276

    Astm A182

    Mechanical Properties
    Specified Tensile Properties, Plate ASTM A240

    Super Duplex Ultimate Tensile Strength, ksi Minimum

    .2% Super Duplex Yield Strength, ksi Minimum

    % Elongation Min.

     

    116

    80

    15

    310

    Super Duplex stainless like S32750, is a mixed microstructure of austenite and ferrite (50/50) which has improved strength over ferritic and austenitic steel grades. The main difference is that Super Duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance than standard duplex grades.

    The balanced duel phase microstructure combines high strength with cost effective corrosion resistance particularly in high chloride environments. Super Duplex has the same benefits as its counterpart – it has lower alloying costs when compared with similar ferritic and austenitic grades with equipment corrosion resistance in chloride containing environments due to the material’s increased tensile and yield strength. In many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance. 

    Super Duplex Physical Properties (Room Temperature)

    Super Duplex Specific Heat (0-100°C) 500 J.kg-1.°K-1
    Super Duplex Thermal Conductivity 15 W.m -1.°K-1
    Super Duplex Thermal Expansion 11 μm/μm/°C
    Super Duplex Modulus Elasticity 200 GPa
    Super Duplex Electrical Resistivity 8.12 μohm/cm
    Super Duplex Density 7.8 g/cm3

    HEAT TREATMENT

    super duplex heat treatment :

    The various heat treatment processes are annealing, normalizing, hardening, tempering, spheroidising, surface hardening, flame and induction hardening, nitriding, cyaniding, carbonitriding, carburizing etc Heat treatment on duplex stainless steel is to improve ductility, toughness, strength, hardness and to relieve internal stress developed in the material. Here basically the experiment of hardness test, impact test, wear test and compression is done to get idea about heat treated duplex stainless steel, which has extensive uses in all industries and scientific research and development fields.

    Super Duplex Annealing

    The duplex stainless steel material was heated to 900° c and is kept at this temperature for soaking for 3 different timings. The soaking conditions was varied from 30minutes, 45minutes, and 60minutes. The material after heating was made to cool very slowly. The cooling of the material after heating was done by placing the material in the sand which is a very slow cooling process.

    Super Duplex Normalizing

    The duplex stainless steel material was heated to 1100°c and is kept at this temperature for soaking for 3 different timings. The soaking conditions was varied from 30minutes, 45minutes, and 60minutes. The material after heating was made to cool slowly. The cooling of the material after heating was done by placing the material in open air

    Super Duplex Tempering

    The duplex stainless steel material was heated to 900° c and is kept at this temperature for soaking for 3 different timings. The soaking conditions was varied from 30minutes, 45minutes, and 60minutes. The specimens after taking from oven was made to cool slowly. The cooling of the material after heating was done by placing the material in open air.

    Super Duplex Hardening

    The duplex stainless steel material was heated to 1100° c and is kept at this temperature for soaking for 3 different timings. The soaking was varied from 30minutes, 45minutes, and 60minutes. The material after heating was cooled very fast . The material after heating was cooled by oil cooling. The oil used for cooling is SAE 20-40 oil which is used mostly for automobiles.


    Types of Super Duplex Steel Pipe

    Super Duplex Stainless Steel Pipe Supplier
    Super Duplex Steel Decorative Pipe supplierSuper Duplex Steel Electropolished Pipe supplierSuper Duplex Steel Rectangular pipe supplierSuper Duplex Steel Secondary & Surplus Pipe supplier
    Super Duplex Steel Decorative PipeSuper Duplex Steel Electropolished Pipe Super Duplex Steel Rectangular pipe Super Duplex Steel Secondary & Surplus Pipe
    Super Duplex Steel Cold Drawn pipe supplierSuper Duplex Steel Extruded Pipe supplierThin wall stainless steel pipe supplierSuper Duplex Steel Polished Pipe supplier
    Super Duplex Steel Cold Drawn pipe Super Duplex Steel Extruded PipeSuper Duplex Steel Thin wall pipe Super Duplex Steel Polished Pipe
    Super Duplex Steel Outside Polished Pipe supplierInner Polished Super Duplex Steel Pipe supplierSuper Duplex Steel Square Pipe supplierSuper Duplex Steel Round Pipe supplier
    Super Duplex Steel Outside Polished Pipe Inner Polished Super Duplex Steel Pipe Super Duplex Steel Square Pipe Super Duplex Steel Round Pipe
    Super Duplex Steel Triangle Pipe supplierSuper Duplex Steel Hexagonal Pipe supplierSuper Duplex Steel thermocouple Pipe supplierSuper Duplex Steel Cold Drawn Pipe supplier
    Super Duplex Steel Triangle Pipe Super Duplex Steel Hexagonal Pipe Super Duplex Steel thermocouple Pipe Super Duplex Steel Cold Drawn Pipe
    Super Duplex Steel Hollow Pipe supplierSuper Duplex Steel U Shaped Pipe supplierSuper Duplex Steel Oil Pipe supplierSuper Duplex Steel Electric Fusion Welding Pipe supplier
    Super Duplex Steel Hollow Pipe Super Duplex Steel U Shaped Pipe Super Duplex Steel Oil Pipe Super Duplex Steel Electric Fusion Welding Pipe
    Super Duplex Steel Electric Resistance Welding Pipe supplierLarge Diameter Custom Size Super Duplex Steel Pipe supplierSuper Duplex Steel Slot Round Pipe supplierSuper Duplex Steel Colour Coated Pipe supplier
    Super Duplex Steel Electric Resistance Welding Pipe Large Diameter Custom Size Super Duplex Steel Pipe Super Duplex Steel Slot Round PipeSuper Duplex Steel Colour Coated Pipe
    Super Duplex Steel Seamless Pipe supplierSuper Duplex Steel Welded Pipe supplierSuper Duplex Steel Industrial Pipe supplierSuper Duplex Steel Fabricated Pipe supplier
    Super Duplex Steel Seamless Pipe Super Duplex Steel Welded Pipe Super Duplex Steel Industrial PipeSuper Duplex Steel Fabricated Pipe

    Super Duplex Steel Pipes

    Sr. No. Product Description Outside Diamter, OD (in mm) Wall Thickness, WT (in mm)
    1 Super Duplex Stainless Steel Round Pipe 6mm – 630mm 0.5mm-30mm
    2 Super Duplex Stainless Steel Square Pipe 12.7mm* 12.7mm to 300mm* 300mm 0.5mm-30mm
    3 Super Duplex Stainless Steel Rectangular Pipe  10*20mm to 100*200mm 0.5mm-30mm
    4 Super Duplex Stainless Steel Colour Coated Pipe 6mm to 630mm 0.5mm-30mm
    5 Super Duplex Stainless Steel Ornamental Tubes 12.7mm to 76.2mm 0.5mm-2.0mm
    6 Super Duplex Stainless Steel Electropolished Pipe 12.7mm to 250mm 0.5mm-30mm
    7 Super Duplex Stainless Steel Slot Round Pipe 12.7mm to 76.2mm 0.5mm-2.0mm
    8 Super Duplex Stainless Steel Triangle Tube 16mm to 85mm 0.5mm-3.0mm
    9 Super Duplex Stainless Steel Hexagonal Tube 13mm to 85mm 0.5mm-2.0mm
    10 Super Duplex Stainless Steel Handrail Tube 0.5mm-2.0mm
    11 Super Duplex Stainless Steel U Shaped Tube 20mm to 200mm 0.5mm-2.0mm
    12 Super Duplex Thin-Wall Stainless Steel Tube  22mm*0.7mm to 108mm*2.0mm 0.5mm-2.0mm
    13 Super Duplex Inner/Outside Polished Stainless Steel Tube, Pipes 12.5mm to 203.2mm 1.0mm – 5mm
    14 Super Duplex Stainless Steel Capillary Tube 0.28mm to 10mm 0.08mm – 1.2mm
    15 Super Duplex Stainless Steel Seamless Tube 6mm to 430mm 0.8mm – 30mm

    Ready Stock Available:Top 10 Manufacturers of Duplex Steel Pipe


    Super Duplex Steel Pipes( super duplex 2507) specification - chemical composition - corrosion resistance-equivalent-uns S32750 F53 - wnr 1.4410