Hollow Section-Square Pipes With Best price

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Min Order Qty:
25 m.t.
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10000 m.t./month

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Product Description:

 Carbon ERW Welded Pipes-Square Tube And Pipe For Furniture ASTM A53 Hollow Section Details:

Minimum Order Quantity:50MTUnit:m.t.Loading Port:China Main Port
Supply Ability:based on orderPayment Terms:TT or L/C

Product Description:

1. Specification of ERW Welded Pipes-Square Tube and Pipe for Furniture ASTM A53 Hollow Section

1) Application: Greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas, mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.

 

2) Standard: ASTM A53, BS1387, GB/T9711, GB/T39013

3) Steel Grade: Q195/Q215/Q235/Q345

 

2. Sizes of ERW Welded Pipe- Square Tube and Pipe for Furniture ASTM A53 Hollow Section

Outer Diameter: 1/2"x1/2"-16"x16''

Thickness:4.0-12.75mm

Length: As costumer's requirement

2. Packing & Delivery

Packing Detail: Packing in bundle with steel strips;with seaworthy package at the end; could be done with your requirement

Delivery Time: Within 30 Days after the reception of prepayment or L/C

3. Data Sheet

Standard: ASTM A53

Mechanical Properties

Standard

Grade

(MPa)

(MPa)

Yield strength

Tensile Strength

ASTM A53M

A

205

330

B

240

415

Chemical Composition(%)

Standard

Grade

C

Mn

P

S

V

Ni

Cu

Cr

Mo

Max

Max

Max

Max

Max

Max

Max

Max

Max

ASTM A53M

A

0.25

0.95

0.05

0.045

0.08

0.4

0.5

0.4

0.15

B

0.30

1.20

0.05

0.045

0.08

0.4

0.5

0.4

0.15

 

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Q:What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
DN refers to the nominal diameter of the pipe, but this is neither the outside diameter nor the inside diameter, and the "Phi" means the outer diameter of the steel pipe. For example, the same nominal diameter of the steel pipe due to its different wall thickness, corresponding to the outer diameter is also different. As can be seen from the chart below:Project control table (commonly used) diameter pressure pipe standard pressure pipe standard pressure pipe standard specification DN- nominal diameter: diameter of large diameter series DN15- 22mm DN20- 27mm DN25- phi, Phi Phi Phi Phi 34mm, DN32- 42mm DN40- 48mm DN50- 60mm DN65-, Phi Phi 76 (73) mm, DN80- 89mm DN100- 114mm DN125- and Phi Phi Phi. 140mm DN150- 168mm DN200- 219mm DN250- phi, Phi Phi Phi Phi 273mm, DN300- 324mm DN350- 360mm DN400- 406mm DN450- 457mm DN500- and Phi Phi Phi Phi, 508mm DN600- 610mm, DN15- 18mm series of small diameter Phi Phi Phi, DN20- 25mm DN25- 32mm DN32- 38mm DN40- 45mm DN50- Phi Phi, Phi Phi Phi 57mm DN65- 73mm, DN80- 89mm DN100- 108mm, DN125- 133mm DN150- 159mm DN200- and Phi Phi Phi Phi, 219mm DN250- 273mm DN300- 325mm DN350- 377mm, Phi phi,
Q:What is PE coated steel pipe? Seek explanation
PE pipe is a kind of thermoplastic resin with high crystallinity and non polarity.
Q:How can galvanized steel tubes be painted on the surface?
The market is commonly used in alkyd iron red primer, iron red epoxy primer are not suitable for galvanized parts, otherwise it is easy to fall off. It is important to point out that the saponification of the galvanized sheet with alcohol, acid and paint will result in the failure of the coating and the damage of the original zinc coating.
Q:Will the steel tube dance?
The steel tube dance tube has a rotating steel tube and a fixed steel tube, so that different types of steel pipe can be chosen according to the type of pipe dance performed by the dancer.
Q:What quota is reserved for buried DN20 steel pipe?
It is an embedded sleeve control sub item, if the reserved hole, then there is no need to cover, special subject structure adjustment factor of the cost of the water supply and drainage engineering, water supply and drainage engineering he is buried under the charge.
Q:How much is the wall thickness standard of building 48?
According to the "construction of fastener type steel pipe scaffold safety technical specifications JGJ130-2011" stipulates that the specification of steel pipe should be Phi 48.3 * 3.6, that is, wall thickness is 3.6mm.
Q:Hot galvanized steel pipe for use?
1, galvanized layer uniformity: steel pipe sample in copper sulfate solution immersion 5 times continuously, must not turn red (copper plated)2, surface quality: galvanized steel pipe surface should be complete galvanized layer, must not have plating on the black spots and bubbles exist, allow little rough surface and local zinc tumor exists.3, galvanized layer weight: according to the requirements of the buyer, galvanized steel pipe can be used for zinc layer weight determination, its average value should be not less than 500g/ square meters, and any sample shall not be less than 480g/ square meters.
Q:What is the buckling type thin-wall steel pipe? What is a tight set of thin-walled steel tubes? What's the difference between the two?
The wire pipe thread (box, cup lock fastening points) (JDG) and buckling type (KBG) two. Products are made of high-quality steel pipe, through precise stamping molding, supply pipe and terminal box connection. The nut is hexagonal, and the convex point is punched at the six corner so as to form a good multi-point contact after being connected with the junction box.
Q:Where is the difference between seamless steel pipe and welded pipe
In appearance, seamless steel pipe and welded steel pipe difference in the welded pipe wall welded tendons, and seamless No.
Q:How seamless steel tube is formed?
Hot drawing or cold drawing. The so-called cold is the billet from the thick wall tube is not heated, oil lubrication, with a steel sleeve inside, gradually elongated. Hot drawing is to make the billet tube red, do such work, generally thick wall applicable.

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