Standard Size 4X4 Hollow Square Hot Rolled Steel, Steel Hollow Pole

• After-sales Service: Bending,Welding,Cutting,Decoiling
• Standard: AISI, JIS, ASTM, DIN, GB
• Certification: UL, ABS, RoHS
• Technique: Cold Drawn
• Wall Thickness: Thick
• Surface Treatment: Black Varnished, Bare, PE Coated or as Required
• Alloy: Non-alloy
• Application: Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pip
• Transport Package: Standard Packing
• Trademark: zhongding
• Origin: China
• Production Capacity: 2000tonnes Per Week

Product Description

Carbon steel pipe is divided into hot rolled and cold rolled two types. 

 

Hot rolled carbon steel pipe is divided into steel tube, low and medium pressure boiler tube, high pressure boiler tube, alloy steel tube, stainless steel tube, petroleum cracking pipe, geological steel tube and other steel pipe etc. 

 

Cold-rolled carbon steel pipe in addition to general steel tube, low medium pressure boiler pipe, high pressure boiler tube, alloy steel, stainless steel pipe, oil cracking pipe, steel pipe, other include carbon thin wall steel tube, alloy thin wall steel pipes. Generally greater than 32 mm hot rolled seamless steel tube diameter, wall thickness 2.5 75 mm, to 6 mm cold rolled seamless steel tube diameter, wall thickness to 0.25 mm, to 5 mm thin wall pipe diameter, wall thickness less than 0.25 mm, cold than hot rolled high dimensional accuracy.

Product Name	black painted welded square and rectangular steel tube pipe
Standard	Q195 / Q235 / Q345 (A/B/C/D) ST37 / ST52 / ST37-2  S185/S235JR/S235JO/E295/S355JRH  ASTM A106A / ASTM A106C  API 5L, API 5CT, API N80, API P110
Material	a36 15CrMo 20# a106 a53 gr.b St37.0 St44.0 St55 St52.0 Ck45 S355 Q345A
Size	15*20mm - 300*200mm (other sizes sall be customized)
Surface	1.Black painted  2.oil anti-rust  3.Galvanized  4.FBE;3PE,PE  5.or as customer request
Technology	1.Electronic Resistance Welded (ERW )  2. Electronic Fusion Welded (EFW) 3. Double Submerged Arc Welded (DSAW)
Pipe ends	plian,beveled
Application	For manufacture of pipelines, vessels, equipment, pipe fitting and steel structure.
Package	Standard export sea-worthy packing or customized.
Delivery Time	5-10 days if goods in stock,10-15 days if goods not in stock.
Trade terms	FOB, CFR, CIF, EXW, etc.
Payment	T/T L/C Western union etc