Concrete Grouting Round Duct (50mm, 60mm, 90mm) Cold Rolled

• Type: Spiral Making
• Technique: Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Construction & Decoration
• Section Shape: Round
• Model NO.: 40mm, 50mm, 60mm
• Transport Package: Steel Pallet and Carton Packing
• Trademark: ETERNOO
• Origin: China, Henan
• Production Capacity: 2000m/Day

Product Description

1. Used at working site, making duct at working site,
2. Operated easily, nimble structure, working steady
3. Make round duct or flat duct, used for post tension
4. Steel strip can be 0.35mm, 0.4mm
5. Making black steel duct and galvanized steel duct
Spiral prestressed corrugated pipe making machine
Corrugated pipe making machine
1. Galvanized steel duct thick 0.15mm, 0.2mm, 0.25mm, 0.28mm, 0.35mm, 0.4mm, 0.5mm, 0.6mm

Cold rolled strip production technology:
1.     Acid pickling, 2. Rolling, 3. Annealing , 4. Anti-corrosion oil painting, 5.   
Leveling , 6 cutting, 7. Packing
 

Material	Standard	Grade	Equivalent foreign standard	Foreign Grade	Application
Structural steel	GB/T912-1989	Q195	JISG3101	SS3300	For Building, Bridge, Ship, vehicle etc.
		Q235B		SS400
		SS400		SS490
		ASTMA36		SS540