Welded Square Black Steel Pipes

• Customization: Available
• Type: Welded
• Technique: Cold Rolled
• Model NO.: 16FR0716
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport
• Section Shape: Square
• Size: 40X80mm
• Length: 6m or 5.8m
• Surface Finishment: Black
• W/T.: 1.5
• Transport Package: in Bundle
• Specification: ASTM-A500, Bs1387-1985, GB/T3091-2008
• Trademark: Tianyingtai
• Origin: China
• HS Code: 73066100
• Production Capacity: 500, 000mt/Year

Product Description

Product Description: 
1)Material: Q195/Q215/Q235/Q345;

2)Size and thickness: See the table as below;

3)Length: 4-12M or as customer's special requirements;

4)Surface: Galvanized or naked as customers' need;

5)Product Type: Square tubes, Rectangular tubes, ERW tubes, Galvanized steel pipe, etc.;

6)Usage: Be widely used in furniture, building and construction Industry, traffic and communication, and so on.

Square pipe:
Pipe Type	Specification/mm	Thickness/mm	Specification/mm	Thickness/mm
	10*20	0.5-2.0
	10*30	0.5-2.0
Rectangular Pipe	20*30	0.5-3.0	100*50	1.0-5.0
	40*20	0.5-3.0	100*60	1.5-5.0
	50*20	0.6-2.0	50*25	0.6-2.0
	75*25	0.7-2.0	70*20	0.7-2.0
	40*30	1.2-3.0	100*80	1.5-5.0
	50*25	1.5-3.0	120*50	2.0-5.0
	50*30	0.7-4.0	120*60	2.0-5.0
	60*30	0.7-4.0	120*80	2.0-5.0
	70*30	0.7-2.5
	60*40	0.7-4.0	160*80	2.75-5.0
	70*50	1.5-4.0	100*150	2.75-5.0
	80*40	0.9-4.0	100*200	2.75-5.0
	80*60	1.7-5.0	200*300	2.75-14
	90*50	1.7-5.0	200*400	2.75-14
	90*60	1.5-5.0	300*400	2.75-14
	100*40	1.5-5.0	300*500	2.75-14
	15*15	0.5-2.0	19*19	0.5-2.0
Square Pipe	20*20	0.5-2.0	100*100	2.0-5.0
	24*24	0.5-2.0
	25*25	1.2-3.0	110*110	2.0-5.0
	30*30	1.2-3.0	120*120	2.0-5.0
	40*40	0.6-4.0	130*130	2.0-5.0
	50*50	0.7-4.0	140*140	2.0-5.0
	60*60	1.0-4.0	150*150	2.75-5.0
	70*70	1.7-5.0	200*200	2.75-14
	75*75	1.7-5.0	250*250	2.75-14
	80*80	1.7-5.0	300*300	2.75-14
	90*90	2.0-5.0	400*400	2.75-14
Round Pipe	17-273(3/8"-10")	0.8-12"