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Galvanized Rhs Rectangular Hollow Section Steel Pipe

Categories Cs Carbon Steel Welded Tube
Brand Name: HDT
Model Number: HDT-CSWT001
Certification: ASME, ISO9001,ISO14001, PED
Place of Origin: China(Mainland)
MOQ: 5T
Price: 800 - 9000 USD / ton
Payment Terms: L/C, T/T, Western Union
Supply Ability: About 10000 ton / month
Delivery Time: 60-75days
Packaging Details: seaworthy packing for exporting
Material: Carbon Steel Welded Tube
Finishing: Annealed, Normalized, Normalized and Tempered
Application: boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid industry
Certificates: ASME, TUV, SGS, CE, ISO9001,
Shape: Welded pipe
Technique: Hot Rolled,ERW,Cold Drawn
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    • Company Profile

    Galvanized Rhs Rectangular Hollow Section Steel Pipe


    Galvanized Cs Carbon Steel Welded Tube Rectangular Hollow Section Steel Pipe


    Specification of Thickness of Anti-corrosive Coating


    Products Namehollow section steel pipes pre-galvanized steel pipe
    THK0.5-2.75mm
    Length5.8m or 6m or as per customer request
    HS code7306309000
    Zinc coating40-275g/m2
    paymentT/T L/C cash
    ApplicationFluid Pipe, Fluid transport and construction
    MOQ1TONS
    Produce line6 lines
    Advantagethe same quality as hot dip galvanized pipe, but much cheaper than hot dip galvanized pipe

    Pre-Galvanized square pipe.Zinc coating 40-275g/m2


    Square 10*10-200*200mm

    Rectangular10*20-150*200mm

    THK:0.5-2.75mm

    Length:5.8m or 6m or as per customer request

    HS code:7306309000

    Zinc coating:40-120g/m2

    Advantage: the same quality as hot dip galvanized pipe, but much cheaper than hot dip galvanized pipe

    Roduction Method


    The cold drawn welded tube is produced by drawing ERW (electric resistance welded tube).During this process the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish is closely controlled to produce tube of the required size and mechanical property characteristics.

    Main Date


    Material: E355
    Other Aviliable Material: E155 E195 E235 E275
    Outer Diameter Range: 10-50mm
    Wall Thickness Range: 1.5-8mm
    t/D ≥ 0.2(Normal: t/D=0.1)
    Standard: En10305-2
    Process: Cold Drawn, Cold Rolling


    Typical Specification


    Grade
    Welding Typical Specification

    Yield Strength
    1E355Φ38×4.5355~450Mpa


    Chemical Component


    Steel NumberQuality LevelThickness/mmDeoxidize MethodC(%)≤Si(%)≤Mn(%)≤P(%)≤S(%)≤
    E185(Fe310)0-------
    E235(Fe360)A
    B



    C
    D
    ≤16
    >16-25
    ≤40
    >40


    N
    -
    -
    E
    NE
    NE
    GF
    0.22
    0.17
    0.20
    0.17
    0.20
    0.17
    0.17
    -
    0.40
    0.40
    0.40
    0.40
    0.40
    0.40
    -
    1.40
    1.40
    1.40
    1.40
    1.40
    1.40
    0.050
    0.045
    0.045
    0.045
    0.045
    0.040
    0.035
    0.050
    0.045
    0.045
    0.045
    0.045
    0.040
    0.035
    E275(Fe430)A
    B
    C
    D
    ≤40
    >40
    -
    E
    NE
    NE
    GF
    0.24
    0.21
    0.22
    0.20
    0.20
    -
    0.40
    0.40
    0.40
    0.40
    -
    1.50
    1.50
    1.50
    1.50
    0.050
    0.045
    0.045
    0.040
    0.035
    0.050
    0.045
    0.045
    0.040
    0.035
    E355(Fe510)C
    D
    ≤30
    >30
    ≤30
    >30
    NE
    NE
    GF
    GF
    0.20
    0.22
    0.20
    0.22
    0.55
    0.55
    0.55
    0.55
    1.60
    1.60
    1.60
    1.60
    0.040
    0.040
    0.035
    0.035
    0.040
    0.040
    0.035
    0.035


    Stength Yield


    Steel NumberYield Strengh/MPa
    ≤16>16-40>40-63>63-80>80-100>100-150>150-200
    E185(Fe310)-185175-----
    E235(Fe360)A
    B
    BNF
    C
    D
    235
    235
    235
    235
    235
    225
    225
    225
    225
    225
    215
    -
    215
    215
    215
    215
    -
    215
    215
    215
    215
    -
    215
    215
    215
    195
    -
    195
    195
    195
    185
    -
    185
    185
    185
    E275(Fe430)A
    B
    C
    D
    275
    275
    275
    275
    265
    265
    265
    265
    255
    255
    255
    255
    245
    245
    245
    245
    235
    235
    235
    235
    225
    225
    225
    225
    215
    215
    215
    215
    E355(Fe510)C
    D
    355
    355
    345
    345
    335
    335
    325
    325
    315
    315
    295
    295
    285
    285


    Delivery Condition:


    1) +C No heat treatment after the final cold drawing process.
    2) +LC After the final heat treatment there is a suitable drawing pass.
    3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
    4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
    5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere.


    Advantage (compare with seamless cold drawn tube)


    Better shape
    Improved quality surface
    Tight Excentricity and wall thickness tolerances (the eccentric
    Tube more safety
    Good toughness at low temperature
    USA Market: 90% of the cylinder in the USA market are produced with welded tubes
    Cost fix Lengths More Cheaper


    Advantage of Our Company


    Top class of welding line: SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. The tube is of small outer diameter (D) and thick wall thickness (t): t/D≥0.2, and high size precision.


    Application



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