Wholesale Welded Square and Rectangular Steel Tube

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: 100*50
• Surface Treatment: Galvanized
• Usage: Mining
• Section Shape: Rectangular
• Od: 20*30-600*800mm
• Transport Package: Steel Strip According Client′s Request.
• Trademark: JiaHeXin Steel
• Origin: Qingdao, China
• Production Capacity: 100000mt Per Year

Product Description

Wholesale Welded Square and Rectangular Steel Tube 

1.Thickness: 1.5-10.5mm
2.Size:30*30-200*200mm
3.Mmaterial: Q235,Q345,S235JR, S275JR, S355JR, S355J2H, STK400/500.
4.Certifications: BV, SGS
5.Standard:ASTM BS GB DIN
6.Zinc coating: 275 - 600g /m2
7.Standard: BS1387-1985, DIN EN10025, EN10219, JIS G3444: 2004, GB/T3091-2001, ASTM A53: GR. A, GR. B, GR. C.
8.Surface: Hot dipped galvanized, Pre-galvanized, electro galvanized, painted, threaded, beveled, grooved, engraved
 

1) Size : O.D round 20--219 mm ,Square 20*20-- 100*100 mm, Rectangular20*30-600*800 , WT 0.8-2.7 mm
2) the chemical composition of raw materials							the mechanical property of raw materials
item	Chemical composition %						Item	mechanical property
pre galv steel	C %	Mn %	S %	P %	Si %		steel	yield point Mpa	tensile strength Mpa	elongation %
BS1387	0.06-0.12	0.25-0.50	< 0.050	< 0.045	< 0.30		BS1387	> 195	315-430	32-33
3) surface treatment: pre galvanized
4) end treatment: plain , threaded
5) test:chemical component analysis, mechanical properties ,technical properties
6)application:transmission of gas .water .petroleum, fence.construction.mechanical part furniture making
7)certificate: SGS or BV inspection
8)delivery time: usually in 20--30 days
9) payment term: T/T , L/C

 2.Here we list some regular sizes of galvanized steel pipe round and square we often produce.

Shape	Round			Square			Rectangular
Size	OD	WT		OD	WT		OD	WT
1/2"	20	0.8-2.1		20*20	0.9-2.0		20*30	1.0-2.0
3/4"	25	0.8-2.2		25*25	1.1-2.0		20*40	1.0-2.0
1"	32	0.9--2.2		30*30	1.2-2.2		25*50	0.8-2.2
1 1/4"	40	0.8-2.3		40*40	0.8-2.0		25*40	0.8-2.0
1 1/2"	47	1-2.3		50*50	0.8-2.0		30*40	0.8-2.2
2"	59	0.9-2.0		60*60	1.0-2.2		30*50	0.8-2.0
2 1/2"	75	1.1-2.0		80*80	1.1-1.8		40-*60	1.0-2.0
3"	88	1-2.2		100*100	1.2-2.5		40*80	1.0-2.0
4"	114	1-2.2					50*100	1.0-2.0
5"	140	1.1-2.5		If any other sizes,you need we also can do.
6"	165	1.2-2.7
8"	219	1.4--2.4