large diameter galvanized steel spiral steel pipe on sale

十月 25th, 2017|

Product Name galvanized steel pipe/pre-galvanized steel pipe Thickness 2.75mm-6mm Outer diameter 21.25mm-219mm Surface treatment Oiled, galvanized, phosphate etc. Authentication ISO9001-2008,SGS.BV Thickness Tolerance ±0.2 Application Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse [...]

Double-faced Spiral Arc Merged Spiral Welded Steel Pipe

十月 23rd, 2017|

Spiral steel Pipe O.D.:159~3020MM W.T.:4~25MM Q235B Q345 GradeB X42 X56 X60 X65 PSL-1& we can customer made for special requirement! Product Name Double-faced Spiral Arc Merged Spiral Welded Steel Pipe Size OD 159--3020mm in Theory Thickness [...]

API 5L ASTM A53 Spiral Welded Steel Pipe , 235MPa-660MPa spiral pipe

十月 19th, 2017|

Commodity: Black/Galvanized/Coating/Oil and other low carbon steel pipe Business type: Steel Pipe Manufacturers Pipe and tube Size Range Pre Galvanized Steel Pipes OD:10-273mm  thickness:0.5-15mm length We can produce any length you need Surface finish Black, galvanized, coating and to customised Zinc Coating 60-220g/m2 Steel grade   Q235, Q345, Q195, Q215 or as customer requirement Standard BS;ASTM;GB;EN;DIN;JIS etc Marking [...]

Common spiral steel pipe standards are generally divided

十月 18th, 2017|

Common spiral steel pipe standards are generally divided into: SY / T5037-2008 (Ministry of standard, also known as ordinary fluid pipes with spiral submerged arc welded pipe), GB / T9711.1-2008 (GB, also known as the [...]

Welded steel pipe refers strip or plate bending round

十月 17th, 2017|

Welded steel pipe refers strip or plate bending round Welded steel pipe refers strip or plate bending round, square and other shapes and then welded into the surface jointed pipe. Welded steel pipes used in [...]

Spiral steel pipe technical requirements

十月 16th, 2017|

Manufacturing method The use of hot-rolled steel pipe to do bad, often warm spiral shape, spiral automatic submerged arc welding method, internal and external submerged arc welding seam not be less than one. Allows the [...]

The method of forming large-diameter seamless steel pipe

十月 13th, 2017|

Large diameter seamless steel tube forming methods are: UOE method, conventional forming method, RBE roll forming method, JCOE molding method, C formation method, the people first party continuous bending method, etc.. A brief introduction is [...]

Identify fake spiral pipe with several methods

十月 12th, 2017|

    1) easy to render inferior spiral pipe collapsed.     2) inferior spiral steel outer appearance often pockmarked face.     3) easy to look shoddy spiral pipe scarring occurs.     4) easy to look shoddy spiral pipe cracking.     5) [...]

Spiral steel pipe welded pores Cause and Prevention Measures

十月 11th, 2017|

Spiral steel pipe weld zone defects are easy to produce pores, thermal cracking, and undercuts.     Spiral steel pipe seam weld porosity affects not only dense, resulting pipeline leakage and corrosion will be induced point [...]

JIS/ANSI steel elbow fittings

十月 9th, 2017|

Sizes: 1/2 to 72 inches Pressure: Sch10 to Sch160 and XXS Carbon steel: A234 WPB ,WPHY-42, WPHY-46, WPHY-52, WPHY-60, WPHY-65, WPHY-70 Alloy steel: ASME A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91, and WP92 Stainless [...]