Square Pipe

Short Description:


  • Keywords(pipe type): carbon steel pipe,Seamless Steel Pipe, Seamless Stainless Steel Pipe, Steel Piping;Hollow Section;Square Pipe
  • Size: OD: 10mm*10mm ~ 500mm*500mm; WT: 0.5mm ~ 20mm; LENGTH: 0.3mtr ~ 18mtr
  • Standard & Grade: ASTM A500, ASTM A53, EN 10210, EN 10219, JIS G 3466, BS 1387, BS 6323
  • ends: Square Cut, Burr Removed
  • Delivery: Within 30 days and Depends on your order quantity
  • Payment: TT, LC , OA , D/P
  • Packing: Waterproof Paper Wrapped, Steel Strips Bundled, Two Tags on Each Bundle
  • usage: In Industrial Construction, Machinery/Rack/Container manufacturing
  • Description

    Specification

    Standard

    Painting & Coating

    Packing & Loading

    Shape:

    Hollow Sections: Square, Rectangular, Round, Triangular, Hexagonal, Eliptical Hollow sections

    Scaffolding

    Usage:

    Hollow Sections:

    Construction: Hall Structure, Sea Trestle, Airport Structure, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures and Expressway Safety Guards, Balustrade, Decorating, Residential, Ornamental Pipes

    Automotive Parts:Motorcar Case,Car and Bus Manufacture, Vehicles

    Agriculture: Agricultural Equipment

    Industry:Machinery,Solar Stent, Offshore Oil Field, Mine Equipment, Electromechanical Hardware, , heavy engineering, Mining and Resources, Process Engineering, Materials Handling,Mechanical Parts

    Traffic:Walking Rails, Roll-up Doors, Guardrail, Plaza Structure, Signage, Road Furniture, Fencing

    Logistics Storage: Supermarket Shelves, Containers, Transport Industries, Commercial Construction

    Other: Sports Apparatus, Leisure Equipment, Furniture, School Furniture

    Scaffolding Tube:

    Material Storage Racks, Pallets, Hydraulic Platforms, Trusses, Columns, Purlins, Greenhouse Stands Towers

     Quality Standard:

    Hollow Sections:

    GB/T 13793 Longitudinal electric resistance welded steel tubes

    GB/T 6728 Cold formed steel hollow sections for general structure–Dimensions,shapes,weight and permissble deviations

    ASTM A500 Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes

    ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

    EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steels

    EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels

    JIS G 3466 Carbon steel Square for general structural purposes

    BS 1387 Steel Tubes for use for Water, Gas, Air and Steam

    BS 6323 PART5 SEAMLESS AND WELDED STEEL TUBES FOR AUTOMOBILE MECHANICAL AND GENERAL ENGINEER PURPOSE

    IS : 1161 Steel Tubes For Structural purpose and Electric poles.

    IS : 3601 Steel tubes for mechanical & general engineering purposes.

    IS : 3074 Steel tubes for Automobile purpose.

    IS : 4923 Steel tubes for Hollow sections used in structures

    DIN 1626 WELDED CIRCULAR TUBES OF NON ALLOY STEELS WITH

    SPECIAL QUALITY EQUIREMENTS

    DIN 2394 WELDED AND SIZED PRECISION STEEL TUBES

    Scaffolding Tube:

    GB 15831 Steel tube scaffold couplers

    EN 39 Loose steel tubes for tube and coupler scaffolds

    BS 1139 Metal scaffolding

    Steel Grade:

    GB/T 13793, GB/T 6728, GB 15831:

    Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08

    EN 10210, EN 10219, BS 1387: S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44,ST52

    ASTM A500, ASTM A 53: Gr. A, Gr B, Gr C, Gr.D, DC01, DC03, 1008, 1010

    JIS G 3466: SS330, SS440, SS490, SPHD, SPHE

    Process: ERW and Seamless

    Size:

    Hollow Sections:

    Square:10 mmx10mm – 500 mmx500mm

    Retangular:10mm x 20mm – 600mmx400mm

    Round: 1/8″ – 4″

    Wall Thickness: 0.5 – 20.0mm

    Length:0.3 mtr – 18 mtr as customer required

    Scaffolding Tube:

    Outer Diameter: 38mm, 42mm, 48.3mm-48.6mm

    Wall Thickness: 2.0mm, 2.5mm, 2.75mm, 3.0mm, 3.25mm, 3.85mm, 4.0mm

    Length: 0.3mtr -18 mtr

    Process:

    Seamless: Hot Rolled, Hot Explored

    Welded: ERW, HFW

    Coating: Hot-dipped Galvanised, Electrical Galvanised

    Raw Material:

    Seamless: Pipe Billet( Hot Rolled, or Con-casting), Mother Pipe

    Welded: Hot Rolled Steel Coil (HRC) , Cold Rolled Steel Coil (CRC), Pre-pained Galvanized Steel Strip

    End: Square cut, Burr removed

    Surface:Lightly oiled, Hot dip galvanized, Electro galvanized, Black

    Heat Treatment: Bright Annealed, Black Annealed

    Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips

    Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield

    strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection

    Mill Test Certificate: EN 10204/3.1B


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  • Square tubes sizes

    Size (mm)

    Wall Thickness (mm)

    Size (mm)

    Wall Thickness (mm)

    20*20

    1.2

    70*70

    60*80

    100*40

    1.8

    1.3

    2

    1.4-1.5

    2.2

    1.7

    2.3

    1.8

    2.5-4.0

    2

    4.5-5.0

    2.2

    5.5-5.75

    2.3

    75*75

    60*90

    100*50

    1.8

    2.5-2.75

    2

    25*25

    20*30

    1.2

    2.2

    1.3

    2.3

    1.5

    2.5-4.0

    1.7

    4.5-5.0

    1.8

    5.5-5.75

    2

    80*80

    100*60

    100*80

    120*60

    2

    2.3-2.3

    2.2

    2.5-3.0

    2.3

    30*30

    30*40

    25*40

    20*40

    1

    2.5-4.0

    1.2

    4.5-5.0

    1.3

    5.5-5.75

    1.5

    7.5-7.75

    1.7

    100*100

    120*80

    2

    1.8

    2.2

    2

    2.3

    2.2

    2.5-5.0

    2.3

    5.5-5.75

    2.5*2.75

    7.5-7.75

    3

    120*120

    140*80

    150*100

    160*80

    2.5

    40*40

    30*50

    25*50

    1.2

    2.75

    1.3

    3

    1.4-1.5

    3.25-5.0

    1.7

    5.5-7.0

    1.8

    7.5-7.75

    2

    140*140

    150*150

    200*100

    3.5-4.0

    2.2-2.3

    4.5-5.0

    2.5-4.0

    5.25-7.0

    50*50

    60*40

    30*60

    40*50

    1.5

    7.5-7.75

    1.7

    160*160

    180*180

    3

    1.8

    3.5

    2

    3.75

    2.2

    4.0-5.0

    2.3

    5.25-5.75

    2.5*-4.0

    7.5-7.75

    4.25-5.0

    60*60

    40*80

    75*75

    50*70

    50*80

    2.3

    60*60

    40*80

    75*45

    50*70

    50*80

    1.5

    2.5-4.0

    1.7

    4.25-5.0

    1.8

    5.5-5.75

    2

    /

    2.2-2.3

    /

    Available Quality Standards

    ASTM A500 Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes

    EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steels

    EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels

    ASTM A53 used as structural steel or for low-pressure plumbing

    Standard Corner Radius(Structural Sizes:)
    Max. 3 x Nominal Wall Thickness

    Mechanical Sizes

    Structural Sizes

    Largest Nominal Outside Dimension

    Outside Tolerance at all Sides at Corners

    Largest Nominal Outside Dimension

    Outside Tolerance at all Sides at Corners

    3/16 to 5/8

    ± 0.004

    2 1/2 and under

    ± 0.020

    over 5/8 to 1 1/8

    ± 0.005

    over 2 1/2 to 3 1/2

    ± 0.020

    over 1 1/8 to 1 1/2

    ± 0.006

    over 3 1/2 to 5 1/2

    ± 0.030

    over 1 1/2 to 2

    ± 0.008

    over 5 1/2

    ± 1%

    over 2 to 3

    ± 0.010

    over 3 to 4

    ± 0.020

    over 4 to 6

    ± 0.020

    over 6 to 8

    ± 0.025

    Straightness
    Mechanical Sizes: Max. 1/16″ in 3 feet
    Structural Sizes: Max. 1/8″ x Number of feet of total length divided by 5

    Wall Thickness

    Mechanical & Structural Sizes: ± 10% of Nominal Wall Thickness

    Squareness of Sides
    Mechanical Sizes: Max: ± b = c x 0.006″
    b = Tolerance for out-of-square
    c = Largest external dimension across flats
    Structural Sizes: Adjacent sides may deviate from 90 ° by ± 2 °

    Maximum Twist (Mechanical & Structural Sizes)

    Largest Dimension, inches

    Max. Twist*, inches

    over 1/2 to 1 1/2

    0.050

    over 1 1/2 to 2 1/2

    0.062

    over 2 1/2 to 4

    0.075

    over 4 to 6

    0.087

    over 4 to 8

    0.100

     Convexity & Concavity(Mechanical & Structural Sizes)

    Largest Nominal O.D., Inches

    Tolerance ± Inches

    2 1/2 and under

    ± 0.010

    over 2 1/2 to 4

    ± 0.015

    over 4 to 8

    ± 0.025

    Structural Tubing A 500 Requirements

    Grades

    Chemical

    Physical

    C Max. %

    Mn Max. %

    P Max. %

    S Max. %

    Cu Max. %

    Tensile strength, min. psi

    Yield strength, min. psi

    Elongation in 2 in.

    Grade B

    0.26

    /

    0.04

    0.05

    0.20

    58,000

    46,000

    23

    Grade C

    0.23

    1.35

    0.04

    0.05

    0.20

    62,000

    50,000

    21

    Bright Annealed, Black Annealed

    Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips

    Inspection: Chemical Component Analysis, Mechanical Properties

    the packing of Square Pipe