Unbonded PC Steel Strand/Prestressed Concrete Steel Strand

• Material: Steel Wire
• Cross Sectional Shape: Round
• Application: Construction Wire Mesh, Bridge
• Type: Loop Tie Wire
• Surface Treatment: Anti-Rust Oil Paint
• Metal Wire Drawing: Cold Drawing
• Model NO.: 1*7 12.7mm 15.2mm 15.24mm
• Status: Soft State
• Condition: New
• Transport Package: Export Anti-Rust Packing
• Specification: 1x7-12.70, 1x715.24
• Trademark: xiao niu
• Origin: Tianjin, China
• HS Code: 7312100000
• Production Capacity: 50000 Tons Per Month

Product Description

Post-tensioned unbonded prestressed concrete bar is suitable for cast-in-place concrete of long-span and wide buildings, large load prefabricated beam and other construction. It has the characters of not need room for future expansion and grout-in, convenient use, material saved, easy bended.





 

Mechanics Properties & Dimension of Unbonded PC Steel Strand
Specification	1x7- Φ12.70			1x7- Φ15.20					1x7-Φ15.24
Tensile Strength (Mpa)	1720	1860	1960	1570	1670	1770	1860	1960	1860
Section Area (mm²)	98.7			140.0					140.0
Grease Mass Per Meter (g/m)	43			50					50
Minimum Thickness of Coat (mm)	0.8			1.0					1.0
Friction Factor (μ)	0.04~ 0.1			0.04~ 0.1					0.04~ 0.1
Effect Modulus (k)	0.003~ 0.004			0.003~ 0.004					0.003~ 0.004
Mass Per Meter (kg/m)	0.875			1.21					1.21