box column steel box section steel column

Sun,wind or rain makes steel easily rust. anti-rust package is necessary for customers who don't accept rust material. Mill standard pacakge:oiled and wrapped in pvc cloth. With putting 2 tags per bundle and customer's name with size on pvc cloth,you will find your material easily on port. Shipment:bulk vessel and containers.

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With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welded pipe manufacturer in China. Annual sales reached $15 billion. Yuantai Derun has 59 black ERW pipe production lines, 10 galvanized pipe production lines and 3 spiral welded pipe production lines. Square pipe 20 * 20 * 1mm to 500 * 500 * 40MM, rectangular steel pipe 20 * 30 * 1.2mm to 400 * 600 * 40MM, spiral pipe Ø 219-1420mm can be made of steel grades from Q (s) 195 to Q (s) 345B / gr.a-gr.d. Yuantai Derun can produce square rectangular tubes according to ASTM A500, JIS g3466, en10219, din2240 and as1163. Yuantai Derun has the largest square rectangular tube inventory in China, which can meet the direct purchasing demand of customers.   Welcome everyone to cantact Yuantai Derun,E-mail:sales@ytdrgg.com, and Real time connection inspection plant or factory visit！

	square and rectangular hollow section               Unit: mm
Non-standard size	standard size	thickness	non-standard size	standard size	thickness
		1.0			1.5
		1.2			1.7
		1.3	40*135	50*150	2.0
19*19	20*20	1.4	50*140	60*140	2.2
		1.5	60*130	80*120	2.5~5.0
153		1.7	75*125	100*100	5.25~6.0
		2.0			6.5~9.75
		1.0	395		11.5~16
		1.2	50*160		2.5
		1.3	60*150	60*160	2.75
	25*25	1.4	60*180	80*140	3.0~4.0
		1.5	65*180	80*160	4.25~4.75
153	20*30	1.7	70*150	100*150	5.25~6.0
		1.8	90*150	120*120	6.5~7.75
		2.0	90*160	110*110	9.5~9.75
		2.2	100*120	120*180	10.5~11.75
		2.5~3.0	100*125	125*125	12.5~15.75
		1.0	100*140	470	16~~30
	20*40	1.2	60*170	75*150	2.5
20*50		1.3	70*16070*200	100*200	2.75
	25*40	1.4	80*150	140*140	3.0~5.75
32*32		1.5	80*180	150*150	7.5~9.75
	30*30	1.7	127*127	130*130	10.5~11.75
35*35		1.8		570	12.5~15
	30*40	2.0	60*200	100*250	2.5
		2.2	60*220	160*160	2.75~3.25
		2.5~3.0	80*200	180*180	3.5~5.0
232		3.5~3.75	80*220	140*180	5.25~7.75
		1.2	100*180	150*170	9.5~11.75
		1.3	120*160	150*180	12.5~15.75
		1.4	120*200	150*200	16~~30
20*60	25*50	1.5	100*350		2.75
20*80	30*50	1.7	125*250		3.0~3.25
25*65	30*60	1.8	130*250	100*300	3.5~9.75
30*70	40*40	2.0	135*135	150*250	11.5~11.75
35*60	40*50	2.2	140*240	200*200	12.5~14.75
38*38	40*60	2.5~4.0	150*220	200*250	15.5~15.75
45*45	50*50	4.25~5.0	225*225	770	16~~30
		5.25~5.75	100*400	150*300	3.5~4.0
153		5.75~6.0	130*300	200*300	4.5~7.75
		1.3	150*350	250*250	9.5~11.75
		1.4	200*280	180*300	12.5~14.75
30*100	40*80	1.5	220*220	1010	15.5~17.75
40*70	40*100	1.7	200*350	200*400	4.75~11.75
40*90	50*70	1.8	250*350	250*300	12.5~14.75
50*60	50*80	2.0		300*300	15.5~17.75
50*75	60*60	2.2		200*500	4.75~11.75
50*90	60*80	2.5~4.0	300*320	250*450	12.5~14.75
55*55	70*70	4.25~5.0	300*350	300*400	15.5~17.75
65*65		5.25~5.75		350*350	18~~30
232		5.75~6.0	200*450	200*600	4.5~5.75
		1.3	250*400	280*280	6.5~11.75
40*120	50*100	1.5	250*500	300*500	12.5~14.75
40*140	60*90	1.7	300*450	350*400	15.5~17.75
50*110	60*100	1.8		400*400	18~~30
50*120	60*120	2.0	300*650	300*600	4.5~7.75
50*125	75*75	2.2		400*500	9.5~9.75
70*100	80*80	2.5~4.0	300*700	400*600	11.5~13.75
85*85	80*100	4.25~5.0		450*450	14.5~15.75
	90*90	5.25~5.75	320*320	500*500	16.5~17.75
312		7.5~9.75			18~~30
				1300*1300	70~80
The length, width and thickness of other specifications can be customized