Black Annealing Tube

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Polished
• Usage: Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Octagonal
• Model NO.: 20*20* 0.8
• Trademark: LC
• HS Code: 73066100
• Production Capacity: 1000000ton/Year

Product Description

Product Description

 Tangshan Lianchuang Steel Making Science & Technology Co., Ltd., Covering an area of 164, 000 square meters, is a comprehensive enterprise of steel deep-processing integrating ratio-frequency welded pipe, galvanized pipe, cold-rolled sheet and galvanized coil, with the annual yield capacity of 2,000, 000 tons of welded pipe, 450, 000 tons of galvanized pipe ranging from15mm*15mm/10mm*20mm-300mm*300mm/200mm*400mm, and 80, 000 tons of cold-rolled sheet with 620mm-150mm in width, 3.0mm-0.3mm in thickness. 

eight sides multiple steel pipe
1.product name:multiple steel pipe 

2.WT:0.5-12.0mm
3.Standard:GB/T 13793 

specification:219-630*6-21

Material :ASTM A106 A53 Gr.B
Steel Grade: Q195-Q235,Q345,20#

Surface :Black or galvanized
Packing :Bundle or according to the customers' requirements
Application :Construction, mechanical engineering, civil engineering, automobile industry;medical instrument, heating equipment, gardening engine,furniture decoration, road and bridge construction, body building apparatus.
Delivery time:15-20days after the receipt of deposit or original L/C

 

Normal dimension of steel pipe
Black Steel Pipe
(Square)SHS			(Rectangular)RHS
(Out dia.)mm	(Wall thickness)mm		(Out dia.)mm		(Wall thickness)mm
15*15	0.8-2.5		20*30		0.8-2.75
20*20	0.8-2.75		20*40		0.8-2.75
25*25	0.8-2.75		30*40		0.8-3.0
30*30	0.8-3.0		25*50		0.8-3.0
38*38	0.8-4.0		30*50		0.8-4.0
40*40	0.8-4.0		30*60		0.8-4.0
50*50	0.8-5.0		40*60		0.8-5.0
60*60	0.8-5.0		40*80		0.8-5.0
70*70	1.3-5.0		50*70		0.8-5.0
80*80	1.5-5.0		60*80		1.3-5.0
100*100	1.5-12.0		50*100		1.3-6.0
120*120	1.6-12.0		60*100		1.3-6.0
130*130	2.0-12.0		60*120		1.6-6.0
140*140	2.0-12.0		80*100		1.6-6.0
150*150	2.0-12.0		80*120		1.6-12.0
160*160	2.0-12.0		80*140		2.0-12.0
180*180	2.0-12.0		80*160		2.0-12.0
200*200	2.0-12.0		100*150		2.0-12.0
250*250	3.5-12.0		100*200		2.0-12.0
300*300	3.5-12.0		150*250		3.0-12.0
			100*300		3.0-12.0
			200*300		3.0-12.0
			200*400		3.0-12.0
Hot Dipped Galvanized Steel Pipe
(Square)SHS			(Rectangular)RHS
(Out dia.)mm	(Wall thickness)mm		(Out dia.)mm		(Wall thickness)mm
15*15	0.82-2.52		20*30		0.82-2.77
20*20	0.82-2.77		20*40		0.82-2.77
25*25	0.82-2.77		30*40		0.82-3.02
30*30	0.82-3.02		25*50		0.82-3.02
38*38	0.82-4.02		30*50		0.82-4.02
40*40	0.82-4.02		30*60		0.82-4.02
50*50	0.82-5.02		40*60		0.82-5.02
60*60	0.82-5.02		40*80		0.82-5.02
70*70	1.32-5.02		50*70		0.82-5.02
80*80	1.52-5.02		60*80		1.32-5.02
100*100	1.52-12.02		50*100		1.32-6.02
120*120	1.62-12.02		60*100		1.32-6.02
130*130	2.02-12.02		60*120		1.62-6.02
140*140	2.02-12.02		80*100		1.62-6.02
150*150	2.02-12.02		80*120		1.62-12.02
160*160	2.02-12.02		80*140		2.02-12.02
180*180	2.02-12.02		80*160		2.02-12.02
200*200	2.02-12.02		100*150		2.02-12.02
			100*200		2.02-12.02
			150*250		2.02-12.02
Pre-Galvanized Steel Pipe
(Square)SHS			(Rectangular)RHS
(Out dia.)mm	(Wall thickness)mm		(Out dia.)mm		(Wall thickness)mm
15*15	0.7-2.0		20*30		0.7-2.0
20*20	0.7-2.0		20*40		0.7-2.0
25*25	0.7-2.0		25*50		0.7-2.0
30*30	0.7-2.0		30*40		0.7-2.0
38*38	0.7-2.0		30*50		0.7-2.0
40*40	0.7-2.0		40*60		0.7-2.0
50*50	0.7-2.0		40*80		0.7-2.0
60*60	0.7-2.0		37*57		0.7-2.0
80*80	0.7-2.0		27*47		0.7-2.0
100*100	0.7-2.0		37*77		0.7-2.0
			50*100		0.7-2.0

 

 
1.High quanlity and reasonable price.
2. Customized on-demand.
3. Reasonable shipping and fast delivery.
4.Free sample.
If you have any question,please contact us!
We will reply you within 24 hours.
TANGSHAN LIANCHUANG STEEL MAKING SCIENCE & TECHNOLOGY CO., LTD
Add: LUAN COUNTY,EQUIPMENT MANUFACTURING INDUSTRIAL PARK,TANGSHAN CITY,HEBEI PROVINCE,CHINA