DX53D+Z Galvanized Square Tube

DX53D+Z Galvanized square tube is also known as square and rectangular cold bending hollow steel,referred to as square pipe and rectangular pipe. It is a kind of joint name of square pipe and rectangular pipe,that is,the steel pipe with equal and unequal side length,it is made of strip steel processed by technology.
Generally,strip steel after unpacked,flattened,crimped,welded round pipe,then rolled into square pipe, and then cut into the required length.

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Product Description

Production process classification Of DX53D+Z Galvanized square tube
According to the production process,square pipe is divided into:hot rolled seamless square pipe ,cold drawn seamless square pipe, extruded square pipe without dimension, welded square pipe.
The welded square pipe is divided into: (a) according to the process of an arc welded square pipe, resistance welded square pipe (high frequency, low frequency), gas welded square pipe, furnace welded square pipe (b) according to the weld of straight welded square pipe, spiral welded square pipe
Square tube material classification.
Square tube according to material: ordinary carbon steel square tube, low alloy square tube. General carbon steel is divided into: Q195, 0215.0235, 0275SS400, 20# steel, 45# steel, etc. : low alloy steel is divided into Q345, 16N, 0390, ST53-2, etc.

Thickness	1-200mm；or as required
Dimensions	1020-600800(mm)
Length:	2000-16000mm，or as required
Technique	Hot Rolled Or Cold Rolle
Surface treatment	Rust remove , black painting , Galvanized , antirust oil , varnish , 3PE,
Standard:	ASTM，JIS，GB，DIN，EN
Payment Terms	T/T, L/C at sight,West Union
Heat Treatment	Annealed; Quenched; Tempered
Certification:	CE, ISO, SGS，BV，Mill Certificate
price terms	FOB,CRF,CIF,EXW, CPT
Grade	Q195 — Grade B , SS330 , SPC , S185Q215 — Grade C , CS Type B , SS330 , SPHC，Q235 --- Grade D , SS400 , S235JR , S235JO , S235J2 ，Q345 --- SS500 , ST52 ，S355JR
Delivery Detail	Standard has Stock ; Normal About 3-5days ; Custom-made 15-20days；According to order's quantity.
Packing	standard export packing ( inside : water proof paper , outside : fumigated wooden box ) Hexagon Shape Bundle , Covered With Tarpaulin , Containers Or In Bulk

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1) Different kinds of steel pipe

2) Different sizes of our galvanized pipes

3) Quality Standard
API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A106 Seamless Carbon Steel Pipes for oil pipeline and gas pipeline transportation GB/T8162 Seamless Steel Tubes for Structural Purposes JIS G3441 Alloy steel tubes for machine purposes
JIS G3444 Carbon steel pipes for general structural purposes
JIS G3445 Carbon steel tubes for machine structural purposes
DIN 2391 Seamless Precision Steel Tubes
EN10305 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes
EN 10297 Hot rolled seamless steel tubes with an application in the mechanical and general engineering
EN 10210:Seamless structural steel pipes

Factory Show
After 10 years development and support from our clients, our capacity of galvanized steel from 500tons/month to 10000tons/month. Currently, we have 6 lines of galvanized production. Our professional engineers and trained workshop workers help our sales team achieve every orders in advance.

1.why should you buy from us not from other suppliers?
We are Manufacture of steel coil. Also have the resources of related steel products in China. For example, wire rod, steel rebar, steel coil, PPGI, steel plate, steel pipe, stainless steel, copper steel and so on.

2.what services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA, DDP, DDU
Accepted Payment currency :USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF
Accepted Payment Type: T/T, L/C,

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