Welded Carbon Square Steel Tube Q235 From China

• Customization: Available
• Technique: Hot Rolled
• Surface Treatment: Coated
• Standards: ASTM A53-2007, GB/T 3094-2000, JIS G3466, En10219
• Grade: 10#-45#, Q195-Q345, St35-St52, 10#, 20#, 45#, Q195
• Thickness: 1.5 - 30 mm
• Outer Diameter: 20*20mm-300*300mm
• Length: 2-12 M, or According to Customers′ Requirements
• Surface Treatments: Galvanized or None
• Wall Thickness: Thick & Thin
• Alloy: Non-Alloy
• Transport Package: in Bundle
• Specification: BS, ASTM, JIS, GB, DIN, AISI, 200*200mm-800*800mm
• Trademark: DERBO
• Origin: Hebei, China (Mainland)
• Production Capacity: 250000 Tons/Year

Product Description

welded cold rolled square carbon steel pipe Q235

1. Product Show
2. Product  Parameter

DETAIL
 

Shape	Square        :20*20-200*200mm
	Rectangular :30*20-250*150mm
Thickness	1.0-12.0mm
Length	3-12m,or as per your request
Technique	Hot Rolled, Cold Rolled,ERW,High-frequency welded,Extruded
Surface	Bared, Oil, Galvanized, Paint,etc
Standard	GB/T3094-2000,GB/T6728-2002,ASTM A500,JIS G3466,DIN EN10210,or others
Material	Q195,Q235,Q275,Q345,S355,St33,St37,St52A500,A513,A106 and so on
Certification	ISO9001:2000,CE,SGS
Package	Wooden box,steel strip,pallet,or as your request
Productivity	15000tons/month
Usage	Machinery manufacture,Roads and Bridges,Construction,Transportation
If you have any questions, please don't hesitate to contact me.

SQUARE SIZE

Size(mm)	Wall thickness(mm)	Size(mm)	Wall thickness(mm)	Size(mm)	Wall thickness(mm)
20x20	1.0-3.0	60x60	1.8-6.0	115x115	1.8-8.0
25x25	1.0-3.0	65x65	1.8-6.0	120x120	2.5-10.0
30x30	1.0-4.0	70x70	1.8-6.0	125x125	2.5-10.0
35x35	1.0-4.0	75x75	1.8-6.0	130x130	4.0-10.0
38x38	1.0-5.0	80x80	1.8-8.0	135x135	4.0-10.0
40x40	1.0-6.0	85x85	1.8-8.0	140x140	4.0-10.0
42x42	1.2-6.0	90x90	1.8-8.0	150x150	4.0-10.0
45x45	1.2-6.0	95x95	1.8-8.0	160x160	4.0-10.0
48x 48	1.2-6.0	100x100	1.8-8.0	180x180	4.0-10.0
50x50	1.8-5.0	105x105	1.8-8.0	190x190	4.0-12.0
55x55	1.8-5.0	110x110	1.8-8.0	200x200	4.0-12.0

RECTANGULAR SIZE

Size(mm)	Wall thickness(mm)	Size(mm)	Wall thickness(mm)	Size(mm)	Wall thickness(mm)
30x20	1.0-3.0	80x40	1.8-6.0	120x100	2.5-10.0
40x20	1.0-3.0	80x50	1.8-6.0	140x70	2.5-8.0
40x30	1.0-3.0	90x60	1.8-6.0	150x75	2.5-8.0
50x20	1.0-3.0	100x40	1.8-6.0	150x90	2.5-8.0
50x25	1.8-4.0	100x50	1.8-6.0	150x100	2.5-10.0
50x30	1.8-4.0	100x60	1.8-6.0	160x80	2.5-8.0
50x40	1.8-4.0	100x80	1.8-6.0	200x80	2.5-8.0
60x30	1.8-6.0	120x40	1.8-6.0	200x100	2.5-10.0
60x40	1.8-6.0	120x50	1.8-6.0	200x150	2.5-10.0
70x30	1.8-6.0	120x60	1.8-6.0	250x100	4.0-12.0
70x50	1.8-6.0	120x80	1.8-10.0	250x150	4.0-12.0

3. Quality Control

Chengdu Derbo Steel Focus on Steel Pipe and Pipe Fittings For More than 10 years with prime quality and reasonable price,and had succeed to cooperated with Shell.Lukoil and other famous oil&gas companies all over the world.If you have any technical and other question,please don't hesitation to contact us,we will offer warm-hearterd service to you and We,Chengdu Derbo Steel can accept much payment terms inculde TT,LC,Western Union,Paypal,O/A ect,any inquiry please feel free to contact us,we will quote to you in two hours.