hot dipped galvanized pipe with thread and coupling

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Product Description:

O.D

O.D tolerance

W.T

Thickness Tolerance

1/2-12''

±0.3mm

1.5-12 MM

±8%

Length

3m,4m,5.8m,6m or according  customers' requirements

Certificate

ISO9001-2008,EN10210,API,Raw material cert,Mill cert,Reap on site inspection report,SGS,BV

Standard

ASTM A53/ASTM A36

BS1387/BS1139/EN39/EN10219/EN10217/EN10297/EN10296/EN10025 etc

Material

Q195/215/235/345,

SS330/400/500,

S235JR/S235JQ/S235J2, etc

Inspection

With Hydraulic Testing, Eddy Current , Infrared Test, etc

Technique:

Welded Hot rolled,heat extrusion

Packing

in bundle or in bulk, PVC in blue or in strip

Usage

For construction, Pluid and Greenhouse

Main market:

Middle east,North and South America, East and West Europe, South and southeast Asia,Australia,Africa,

Place of Origin

China

HS code:

73063090

Productivity

2000Ton/Month

Processing

galvanzied,inner and outer stab clean,bevelled

oiled,painted black

threading,with coupling and plastic caps protected

packing in plastic cloths,3PE,FBE,corrosion resistant coating


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Q:What kind of argon arc welding wire is used for 16Mn steel pipe?
16Mn steel weldability is very good, general use TIG with J50 welding wire, hand arc welding with J506, J507 and other welding rod
Q:What does seamless steel tube mean? What are the main uses? What are the classifications?
Electrical, gas, water, power, fluid, pipe.The main production process for hot rolling seamless steel tube (the main inspection):Tube preparation and check delta to billet heating, heating, rolling, perforated pipe, steel pipe and heat treatment, diameter (minus) Delta to finished tube straightening, finishing and inspection of delta (nondestructive, physicochemical, Taiwan inspection and warehousing)Main production process of cold rolled (drawn) seamless steel tube:Blank preparation, pickling, lubrication, cold rolling (drawing), heat treatment, straightening, finishing and inspection
Q:What's the actual size of the DN25?
Steel pipe production technology development began in the bicycle manufacturing industry rise, early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry, petroleum and natural gas drilling and mining and transportation, are promoted in production the quality and variety, the development of steel tube industry.
Q:How much is 4 inches steel tube MM?
The nominal diameter of the 4 inch steel pipe is DN100, that is to say, the diameter of the center of the pipe wall is 100mm.
Q:Is the PVC tube a plastic tube or a plastic tube?.
PVC is actually a vinyl polymerization substance, whose material is a non crystalline material. Polyvinyl chloride (Poly, Vinyl, Chloride, PVC), it is obviously impossible to steel, we often say that iron and steel, the steel must be the main component of iron, Fe, inorganic. And PVC, polyvinyl chloride, is an organic substance. Therefore, PVC can not be called steel, and PVC constitutes a large number of substances, not confined to the pipe type.
Q:Is the steel frame on each floor supporting formwork (floor) called full scaffolding?
The scaffold is also called full house scaffolding is a construction process for building a scaffold. Hall scaffolding relative to other scaffolding system density, that is, the house full of shelves. The full scaffolding is more secure than the rest of the scaffolding.
Q:What's the difference between No. 20 steel pipe and 27SiMn Steel Pipe?
20# steel pipe material is 20 steel, generally 20 seamless steel pipe, 20# steel pipe material is: high quality carbon structural steel
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:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?
Double submerged arc welding should be for spot welding and single side welding, they are straight line welds, but double submerged arc welding seam is more beautiful and fine.
Q:How seamless steel tube is formed?
Overview of two kinds of steel pipe process:1, cold drawing (rolling) seamless steel pipe: round tube to heating to perforation, annealing, pickling, leading to oil (copper), multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, pressure test (testing), marking and warehousing.2. Hot rolling (extrusion seamless steel tube): round tube billet, heating, piercing, three roll cross rolling, rolling or extrusion, removal of pipe, sizing, reducing (diameter or reducing), cooling, blank tube, straightening, water pressure test (or flaw detection), marking and warehousing.

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