Weld Steel Pipe & 24Inch Steel Pipe from okorder.com

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
50000 m.t./month

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Product Description:

1. Structure of Weld Steel Pipe & 24Inch Steel Pipe Description: 

    Welded steel pipe are commonly welded by means of bent round, we can weld the steel into square and other shapes and then welded into the surface of the steel pipe seam. Steel plate or steel pipe is used in the blanks of welded steel.  We can use electric arc welded pipe, high or low frequency electric resistance welded pipe, gas pipe, stove pipe, Bundy tubes according to different methods.


2. Main Features of the Weld Steel Pipe & 24Inch Steel Pipe:

  •  ·Reasonable price

  • ·Relatively light weight

  • ·Optional torsional strength

  • ·Support high pressure

  • ·Resist corrosion


3. The Weld Steel Pipe & 24Inch Steel Pipe Images:







  • 4. The Weld Steel Pipe & 24Inch Steel Pipe Specification: 

  • Standard:

    JIS, DIN, ASTM
    JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ASTM A1020-2002, ASTM A179-1990, ASTM A199

    Grade:

    Cr-Mo alloy, 16Mn, ST35-ST52, STB35-STB42
    15CrMo, 10CrMo910, 30CrMo, 16Mn, St37, St52, St42, St45, STB35, STB42

    Thickness:

    2 - 30 mm

    Section Shape:

    Round

    Outer Diameter:

    10 - 568 mm

    Secondary or Not: 

    Non-secondary

    Application: 

    Structure Pipe

    Technique:

    Hot Rolled

    Certification:

    API

    Surface Treatment:

    Paint

    Special Pipe:

    API Pipe

    Alloy Or Not: 

    alloy

     


Specifications

1.W.T from 2mm to 70mm 
2.OD from 10 to 568mm 
3.product by our own factory 

4.on time dilivery 



FAQ

black steel pipe black iron pipe steel tube astm pipe API

Q1: Could you tell me your loading port ?

   

   A: Our factory is 470km away from Qingdao port ,China

       and 400km away from Tianjin port,China.

       but to save the domestic charges,we always choose Qingdao port to export.

 

 

Q2:Could you supply Mill Test Certificate?

     A: Yes.We can. we can supply MTC, API 5L, API 5CT, ISO,Certificate of Origin                       

       If your order need the inspetion by third party such as SGS,it is no problem.

  

Q3:Payment Terms?

    A: We can accept T/T,D/P ,L/C,D/A.

        But we need your 30% deposit to engine the production.

 

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Q:What are the lengths of scaffold steel tubes?
Used to build scaffolding of steel pipes in general have two kinds, an outer diameter 48mm, wall thickness 3.5mm; another kind of outer diameter 51mm, wall thickness 3mm; according to its location and role of different, can be divided into vertical pole, horizontal rod, sweeping rod, etc.. According to the technical specification for construction of steel tubular scaffold with couplers, JGJ 130 - 2011[1]. The scaffolding steel pipe should be specified with the current national standard "GB/T13793" or "straight seam welded steel pipe welded steel pipe for low pressure liquid delivery" GB/T3091 Q235 ordinary steel pipe; steel pipe steel quality should meet the requirements of current national standard grade Q235 steel "carbon structural steel" in GB/T700. The scaffold pipe shall be made of a diameter of 48.3 * 3.6 steel tubes. The maximum mass of each steel tube shall not be greater than 25.8kg.
Q:Heating system DN40 and DN32 welded steel pipe how to connect?
Welding: AC arc welding machine welding. Mode 1: apply to the medium of non demanding piping, DN40 steel pipe necking and DN32 steel pipe butt welding, or directly DN32 steel pipe into the DN40 internal welding. 2: the pipeline requirements apply to the inner wall of smooth transition, reducing short circuit welding for DN40x32 suppression of this mechanism are used for connection pipe seamless steel pipe high pressure pipeline connection, no special requirements, not commonly used welded steel pipe. Connection of mechanism fittings is not only costly, but not necessary unless special requirements are required!
Q:Water, gas, steel pipes, thick steel wire means?
Thick steel wire pipe is the same wire pipe, but the wire pipe is thin tube, easy to damage, so with thick as the outer diameter can protect the wire tube, so called thick steel wire pipe.
Q:Are steel tubes and round steel in weight or length when purchased?
A large amount of words is calculated by weight, less is usually calculated. According to the length between the length and quality of a material is usually a scaling. Steel belongs to the section, with the length of valuation, according to the classification of wall thickness and diameter; round steel belongs to building materials, mostly for the amount of weighing per ton of valuation, a small amount of more than according to the length multiplied by the conversion ratio of weight to that theory. But the latter is the valuation of tons of steel products between the uneven thickness, with uniform proportion will produce larger price difference, so the general price of different manufacturers are not the same, mostly depends on the quality, to a certain extent is to balance the diameter difference.
Q:RC is it welded steel pipe or galvanized steel pipe?
RC pipe is galvanized steel pipe, usually followed by the diameter, such as RC50, that is, 50mm galvanized steel pipe.
Q:304 stainless steel tube with the diameter of 25*2-3 is what mean
304 stainless steel tube with the diameter of 25*2-3 said: material for 304 (the equivalent of the American brand, Chinese numbered S30408 stainless steel or 06Cr19Ni10 stainless steel), diameter (OD) for 25mm, for the seamless steel pipe wall thickness of 2 to 3mm.
Q:How many fasteners are there in a ton of steel tubes?
The fastener generally refers to the intermediate connecting parts connecting two members, in the construction project for external diameter of steel pipe scaffold with 48mm fixation, the fastener is divided into rectangular fastener (cross directional fastener fastener) rotary fastener (universal movable fastener fastener) (a direct docking fastener fastener fastener) etc..
Q:Difference and application of seamless hot rolled pipe and cold drawn pipe in seamless steel tube
The general production of hot-rolled seamless steel pipe in the automatic tube rolling mill. Solid billet after inspection and clearance of surface defects, cut into required length, in the tube hole end surface of centering, then sent to a heating furnace, in punch in punch. While continuing to rotate and advance, in the roll and immediate action, tube gradually form a cavity, called capillary. Sent to the automatic tube rolling mill on rolling. Finally after all the entire thickness, sizing machine sizing, achieve specifications. Using continuous pipe mill production of hot-rolled seamless steel tube is advanced.1.2, in order to obtain smaller size and better quality of seamless tube, cold rolling, cold drawing must be used or combined method of cold rolling. Usually in two roller mill, rolling ring groove tapered plug pipe in variable cross section circular slot and the composition. Drawing is usually in single or double 0.100T chain drawbench.1.3, the extrusion method will soon heat the tube blank in the closed extrusion cylinder, the perforation bar and extrusion rod movement, so that extrusion parts from the smaller die hole extrusion. This method can produce smaller diameter steel pipe
Q:Galvanized steel pipe in addition to good rust resistance, what are the advantages?
Galvanized steel is cracking for 39 days and will not, especially suitable for Northern very cold environment.
Q:What does "1.5" steel tube mean?
DN refers to the nominal diameter of the pipe (also known as nominal diameter), all piping accessories in the piping system are numerically represented in order to distinguish the parts that are represented by threads or outside diameters. Nominal diameter is used as a reference, after rounding the figures, and processing numerical value is not exactly the same, nominal diameter can be expressed as metric mm, also can be used in English in.

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