Name: Sch80 Steel Tube Hot Dipped Galvanized Round Steel Pipe
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Sch80 Steel Tube Hot Dipped Galvanized Round Steel Pipe

Wall Thickness Rating: Sch80, a standard wall thickness rating, suitable for piping systems requiring high pressure resistance.

Surface Treatment: Hot-dip galvanized, formed by immersing the steel pipe in molten zinc to create a coating, providing excellent corrosion resistance.

Material: Typically carbon steel (such as ASTM A53, A106, etc.), specific materials can be selected according to requirements (such as 10#, 20#, 16Mn, etc.).

Product Name	hot dipped galvanized steel pipe
Specifications	Square pipe: 2020mm~500500mm Rectangular pipe: 2040mm~300500mm round:19mm-610mm
Thickness	1.2mm~20mm
Length	2.0m~12m
material	Q195—Grade B, SS330, SPC, S185 Q215—Grade C,CS Type B, SS330, SPHC Q235---Grade D, SS400, S235JR, S235JO, S235J2 Q345---SS500, ST52
Section Shape	Square、round、rectangle
zinc coating	pre galvanized steel pipe: 60-150g/m2 hot dipped galvanized steel pipe:200-400g/m2
Standard	GB/T13793-1992,GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88 BS1387/1985,ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etc
Package	1) Big OD: in bulk 2) Small OD: packed by steel strips 3) Plastic bags 4) According to customer’s requirement
Application	Construction / building materials steel pipe Structure steel pipe Solar structure component steel pipe Fence post steel pipe Greenhouse frame steel pipe

Chemical composition and application

Grade	Standard	C (%) max	Mn (%)	Si (%) max	P (%) max	S (%) max	Primary Use / Notes
ASTM A53 Grade B	ASTM A53 (Seamless/Welded Pipe)	0.3	0.29-1.06	0.4	0.05	0.045	The most common type of general-purpose galvanized pipe. Used for low-pressure fluid transportation and structural applications.
ASTM A106 Grade B	ASTM A106 (Seamless tube)	0.3	0.29-1.06	0.35	0.035	0.035	Seamless pipes for high-temperature services (such as steam) are also often galvanized for more demanding applications.
API 5L Grade B	API Spec 5L (pipeline pipe)	0.26	0.45-1.20	0.4	0.03	0.03	It is mainly used for oil and gas transportation, and is also commonly used in heavy structures, piling, etc.
S235J0H / S235J2H	EN 10219-1/-2 (Cold-formed welded pipe)	0.17-0.21	0.65-1.60	0.5	0.030-0.035	0.030-0.035	Hollow steel profiles (CHS) are commonly used in European structural applications. J0/J2 indicates the impact toughness grade.
S355J0H / S355J2H	EN 10219-1/-2 (Cold-formed welded pipe)	0.20-0.24	0.70-1.70	0.50-0.55	0.030-0.035	0.030-0.035	European standard higher strength structural pipe base material.
STK 400 / STK 490	JIS G 3444 (Structural carbon steel pipes)	0.30-0.32	0.30-1.00	0.30-0.55	0.04	0.04	Japanese standard general structural galvanized pipe base material (such as scaffolding).
Q235B / Q355B	GB/T 3091 (Low-pressure fluid delivery pipe)	0.20-0.22	0.30-0.80	0.35	0.045	0.045	The most common galvanized welded pipe substrate in Chinese national standards. Q355B is the high-strength version.

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Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

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