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Square & Rectangle Tube

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  • 1. Standard: ASTM A36, A500, EN10025, EN10255


    2. Materials: ASTM A36, A500, GR.B, S195T, SS400, ST37, ST52.3 etc.


    3. Specification: 15*15mm-800*800mm. 


    4. Shape: square, rectangle.


    5. The surface treatment: hot galvanized, electro-galvanized, coated with oil, pickling.

    6. Application: Widely used in machinery manufacturing, construction, metallurgical industry, agricultural vehicles, agricultural

    greenhouses, automotive, railway, highway guardrail, container framework, furniture, decoration as well as steel and other

    fields.

  • 1. The low pressure fluid galvanized welded pipe, standard number is GB / T3091-2008. Representative of material Q235A,

    Q235BQ345B like. Mainly used for conveying water, gas, air, oil and heating hot water or steam, use is limited to general low

    pressure fluid.


    2. Low pressure fluid galvanized welded pipe, standard number is GB / T3092-2008. Representative material above. Mainly

    used for conveying water, gas, air, oil and heating hot water or steam and other general low pressure fluid, the pipe surface

    using hot-dip galvanizing or cold galvanizing anti-corrosion technology.


    3. Mine liquid weld pipe, standard number I GB / T14291-2000. Representative of material Q235A, grade B steel is mainly

    used for mine air pressure, drainage, gas discharge shaft with a straight seam welded square tube.


    4. The low pressure fluid with a large diameter welded pipe, standard number GB / T14980-1994. Representative material

    Q235AB level. Mainly used for conveying water, sewage, gas, air, steam heating and other low pressure fluids.


    5. The mechanical structure with stainless steel welded pipe, standard number GB / T12770-1991. Representative material

    0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb like. Mainly used in machinery, automobiles, bicycles, furniture, hotel and

    restaurant decoration and other mechanical components and structures.


    6. Fluid transport stainless steel welded pipe, standard number GB / T12771-1991. Representative material for

    0Cr13,0Cr19Ni9,00Cr19Ni11,00Cr17,0Cr18Ni11Nb, 0017Cr17Ni14Mo2 like. Mainly used for conveying low pressure corrosive

    media.


    7. The low pressure delivery spiral square tube (Ministry of Oil Standards) standard number is SY / T5037-2008.

    Representative material for Q235B Q345B and other steel materials. Mainly for low conveying water, oil, gas, heating and

    other pipelines.


    8. Transport flammable and non-flammable fluid pipe, standard number GB / T9711.1 - 1997. Representative material for

    L245-L415, etc. (GB / T9711.2) pipeline steel. Mainly used to transport flammable and non-flammable fluid with low or high

    pressure pipe, require relatively high.

  • Square & Rectangle steel pipe production process



  • We have two kinds of packaging:

    1. Package suitable for every kind of transport;

    2. According to customer's requirement.

    20200115093043770.jpg  20200115093044537.jpg 

    20200115093044684.jpg  20200115093044692.jpg



Product name: square & rectangle tube
Materials: ASTM A36, A500, GR.B, S195T, SS400, ST37, ST52.3 etc.

Standard: ASTM A36, A500, EN10025, EN10255
Specification: 15*15mm-800*800mm.
Shape: square, rectangle.
Surface: bare, galvanized, oiled, pickling.
Application: construction, machinery manufacturing, steel engineering, electrical engineering, agricultural and chemical machinery, highway railings, petroleum, bridges.

 


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