12.7mm PE Coated Unbonded Strand

• Material: Steel Wire
• Cross Sectional Shape: Round
• Application: Prestressed Concrete
• Metal Wire Drawing: Cold Drawing
• Tensil Strength: >1860mpa
• Structure: 1*7 Steel Wires
• Model NO.: 12.7mm, 15.24mm
• Coil Weight: 2~3 Tons
• Color of Coat: Black or Blue
• Alloy or Not: Non-Alloy
• Brand Name: Daqiang
• Place of Origin: Tianjin, China (Mainland)
• Friction Factor: 0.04~0.1u
• Minimum Thickness of Coat: 1.0mm
• Weight of Grease: Accoring to Standard
• Transport Package: Export Packing
• Specification: 12.5, 12.7, 12.9mm
• Trademark: Daqiang
• Origin: Tianjin, China
• HS Code: 73121000
• Production Capacity: 100 Ton / Day

Product Description

12.7mm PE Coated Unbonded Strand 

PC Strand / LRPC Strand is short for low relaxation, high tensile strength, stress-relieved, 7-wire steel strand for prestressed concrete
Technical Specifications:
Diameter: 9.3mm, 9.53mm, 11.1mm, 12.5mm, 12.7mm, 12.9mm, 15.2mm, 15.7mm, 17.8mm, 18.9mm, 21.6mm, 21.8mm
Raw Material: High carbon steel wire rod SWRH77B, SWRH82B and other grade.
Standards: ASTM A416, ABNT NBR 7483: 2008, BS5896-1980, EN10138-3, GB/T5224-2003, IS6006, JISG3536, Aus standard AS4672
Categories: Plain, spiral ribs, indented, galvanized, PE coated, epoxy resin coated.
Grade: 250K / 270K / 290K, Tensile Strength: 1770Mpa / 1860Mpa / 1960Mpa
The 1000h Relaxation is 2.0% max and the elongation is 4.0% min.
Standard export packing and each package roll is 2000-4000kgs.

HDPE Coating: Color is black or blue for your choice;
Thickness ≥ 1.0mm, tensile strength ≥ 30MPa, yield strength ≥ 10MPa, breakage elongation ≥ 600%;
Nominal weight of greased and coated PE strand 0.875kg/m; Weight of corrosion-resistant lubricating grease ≥ 43g/m;
Friction Coefficient of strand and wall: 0.04-0.10; Effect Friction Coefficient on tolerance of per-meter length for strand and wall: 0.003-0.004;

The specifications and technical parameters
Specification	Tensile Strength (Mpa)	Section Area (mm2)	Grease mass per meter (g/m)	Minimum thickness of coat (mm)	Friction factor(μ)	Effect modulus (k)	Mass per meter  (kg/m)
1*7-Φ12.70	1720	98.7	43	1	0.04-0.1	0.003-0.004	0.875
	1860
	1960
1*7-Φ15.20	1570	140	50				1.21
	1670
	1770
	1860
	1960
1*7-Φ15.24	1860	140	50
1*7-Φ15.70	1860	150	53				1.3