Square Hollow Section Black Welded Tube

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Construction & Decoration
• Section Shape: Square
• Model NO.: ZL-BT
• Surface: Black, Bright, Zinc Coating
• Square Section: 13X13mm - 400X400mm
• Rectangle Section: 10X20mm - 300X400mm
• Transport Package: Bundle
• Origin: Hebei
• Production Capacity: 10000tons/ Month

Product Description

Square ERW steel Steel Tube
Square section: 13x13mm - 400x400mm
Thickness: 0.4~16mm
Material: Q195~Q235
Kinds: Pre galvanized, galvanized, hot rolled, cold rolled
Standard: BS1139, BS1387-BS1385, ASTMA53B, Sch10-40, ASTMA500, API5L, API5CT, DIN2440andEN10219
Package: In bulk, bundles, or pvc; We also can package as customers'requirements.
Delivery time: 15-30 days
Payment: T/T, L/C

Square (Rectangle) Welded Steel tube
Material	Q195 - Q235 and others
Q195,Q235 or others	Item (type)	Shape Include
		Round pipe	Thickness	Length
	Cold Rolled Welded Pipe (anneal)	square pipe (SHS)	0.5mm - 16mm	no longer than 12meters
	pre-galvanized pipe	rectangle pipe (RHS)
	bright pipe
	full hard (without annealed)	LTZ pipe Oval pipe
OTHER DETALS
Steel Grade	Q195; Q235,Q345,Grade B,etc
Surface	Satiny and Smooth; Oiled or Unoiled
End	Clean
Thickness Tolerance	0.5-1.2mm: +/-0.02mm	1.2-2.0mm: +/-0.03mm	2.0-3.0mm: +/-5%	3.0-16mm: +/-10%
Bend Degree	>=90 degree
Packing	by bundles tightened with metal belts
Delivery Time	30 days after receipt of deposit or original L/C at sight from bank
MOQ	10 Tons