Common Carbon 30X30 Welded Steel Square Pipe for Structure

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Construction & Decoration
• Section Shape: Rectangular
• Model NO.: TYT
• Transport Package: Standrad Export Package
• Specification: 16*16-100*100
• Trademark: TYT
• Origin: Made in China
• HS Code: 73063090
• Production Capacity: 20000tons /Month

Product Description

Welded Carbon Steel Square Pipe or Tube for Construction Structure

1. Square Pipe Materila: ASTM A500 Gr.B, Gr.C, Q195, Q215, Q235, Q345, S235JR, S275JR, S355JR, SKTR400, 490 etc.

2. Production Technique: ERW Welded

3. Square Pipe Specification: 

Outer Diameter: 20x20mm~500x500mm
Wall Thickness: 1.0mm~18mm
Length: 6m or cut as request

Square and Rectangular Pipe/Tube Show:

4. Square Pipe's Packing Way:
a. Galvanized: Packed by steel strips
b. Black steel hollow: Packed by steel strips and tarpaulin
c. Woven cloth with 7 slats
d. According to the requirements of customers
7. Main market:

Middle East, South American, Africa, Asia and some European country and America, Australia, etc.


8. Zinc coating(if) : Pre-galvanized: 50-150G/M2; Hot dipped galvanized: 200-480G/M2

9. Productivity: 80, 000 Metric Tons per Month
10. Remark:
a. Payment terms: T/T, L/C at sight;
b. Terms of trade: FOB, CFR, CIF, CIP, EXW, etc.
c. Minimum order: 1 tons
d. Lead time: 7-30 days.

Specification of  ASTM A500 Q195 Q235 Q345 S275 B Grade ERW Structural Mild Steel Square Pipes
Square steel pipe	Size	WT(mm)		Rectangular steel pipe	Size	WT(mm)
	20*20	1.0-2.5			20*30	1.0-2.75
	25*25	1.0-2.75			20*40	1.0-2.75
	30*30	1.0-2.75			25*40	1.0-2.75
	40*40	1.2-3.75			30*50	1.0-4.75
	50*50	1.2-5.75			30*60	1.2-4.75
	60*60	1.2-5.75			40*50	1.2-4.75
	70*70	1.2-5.75			40*80	1.2-4.75
	80*80	1.2-5.75			50*70	1.3-4.75
	90*90	1.2-5.75			50*80	1.3-4.75
	100*100	1.5-12			60*90	1.3-4.75
	120*120	2.5-12			50*100	1.3-5.75
	140*140	2.75-16			50*150	1.3-5.75
	150*150	2.75-16			60*160	1.3-5.75
	160*160	3.0-16			100*150	2.5-16
	180*180	3.0-16			100*200	2.5-16
	200*200	3.0-16			100*250	2.5-16
	250*250	4.75-16			150*300	4.5-16
	300*300	4.75-16			200*300	5.5-16
	400*400	4.75-25			200*400	5.5-16
	500*500	4.75-25			400*600	5.5-25