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Product Description

Product Name	Square Steel Pipe
Standard	API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A270, ASTM A249, ASTM A511,ASTM A778 ,ASTM A312,ASTM A358,ASTM A409,ASTM A213,ASTM A790,ASTM A268,ASTM A269,ASTM A554,ASTM B338,ASTM B673,ASTM B674,ASTM B677,ASTM B675, ASTM B676, ASTM B690,ASTM A928,ASME B36.19,ASMEB36.10,ASTMA179/A192/A213/A210/370WP91,WP11,WP2
	GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,GB/T8163-2008, GB8162-2008,GB/T17396-2009
	EN10216-5,EN10217-7,DIN 17456,DIN 17458
	JIS G3463,JIS G3119,JIS G3446,JIS G3218,JIS G3258,JIS G3448,JIS H4631
	DEP 31,DEP 40,DEP 20,DEP 32,DNV-OS-F101
Grade	Q195 = S195 / A53 Grade A
	Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
	Q345 = S355JR / A500 Grade B Grade C

Outer Diameter	ERW / HFW	LSAW / DSAW	SSAW / HSAW	RHS	SHS
Outer Diameter	1/8 - 20 inch (10.3-508 mm)	12 - 56 inch (323.8-1,420 mm)	8 - 126 inch (219.1-3,200 mm)	40 x 20 mm -1,000 x 800 mm	15 x 15 mm -1,000× 1,000 mm
Wall Thickness	0.4 - 16 mm	6.0 - 40 mm	6.0 - 26 mm	1.0 - 30 mm	0.6 - 30 mm
Length	5.8~12.0 m or as customized
Surface Treatment	Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)
Inspection	With Chemical Composition and Mechanical Properties Analysis; Dimensional and Visual Inspection, also with Nondestructive Inspection.
Application	Structure, Electric power transmission tower projects, Piling, Water, Oil & gas pipeline engineering, Mechanical industry, Municipal projects, Roads and its auxiliary facilities, etc.

Detailed Specifications:1 1/2 inch steel pipe seam welded steel pipe ERW
Outside Diameter			Wall Thickness
DN	Inch	mm	mm
15	1/2"	20~21.3	0.95~2.77
20	1/2"	25~26.9	1.1~2.87
25	1"	32~33.7	1.1~4.0
32	1 1/4"	40~42.4	1.1~4.0
40	1 1/2"	47~48.3	1.5~7.0
50	2"	58~60.3	1.8~7.0
65	2 1/2"	73~76.1	2.0~7.0
80	3"	73~76.1	2.0~7.0
90	3 1/2"	87~88.9	2.2~8.0
100	4"	113~114.3	2.2~9.0
125	5"	140~141.3	2.5~10.0
150	6"	165~168.3	2.5~10.0
200	8"	216~219.1	2.75~12.0
250	10"	272.8~273.2	5.0~13.75
300	12"	323.8~325	5.5~13.75
350	14"	355.6~356	5.5~13.75
400	16"	406~406.4	5.75~13.75
450	18"	457~457.2	5.75~17.75
500	20"	507.9~508.1	5.75~17.75
600	24"	609~610	5.75~17.75

Aluminum Alloy Series	Black annealing tube	Copper Brass Series	Corrugated Sheet
Galvanized Steel Tube/Pipe	Seamless Steel Tube/Pipe	Square/Rectangular Steel Tube/Pipe	Steel Bar
Steel Coil	Steel Sheet/Plate	Tinplate	Ungrouped
Wear Resistant Plate	Welded Steel Tube/Pipe