Prestressed steel strand counterweight 12.7mm Prestressed steel strand counterweight

Product Description:PC STRAND is mainly used for concrete structure, such as railway and highway, overhead crane construction, multi-floor industrial building and etc, Products have been widely applied to the major domestic rail, road, and construction. Features: Strong force and flexible.Normally force grade:1860MPa, 1720MPa, 1

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Prestressing Strands Weights 12.7mm Prestressing Strands Weights

Product Description:

PC STRAND is mainly used for concrete structure, such as railway and highway, overhead crane construction, multi-floor industrial building and etc, Products have been widely applied to the major domestic rail, road, and construction. Features: Strong force and flexible.

Normally force grade:

1860MPa, 1720MPa, 1770MPa, 1960MPa, 2000MPa, 2100MPa.

Diameter with the corresponding grade:

9.5mm            1860MPa
12.7mm            1720MPa / 1860MPa / 1960MPa
15.2mm            1570MPa / 1670Mpa / 1860MPa / 1960MPa

 

Standard: GB/T 5224 2014, ASTM A 416 / A416M, BS5896, EN10138, JISG 3635


 

Prestressing Strands Weights 12.7mm Prestressing Strands Weights

BS 5896

Strand TypeNom.(mm)Tolerance(mm)Area of Section(mm)Theoretical Weight per 1000M (kg)Tensile StrengthSpecified characteristic breaking LoadLoad at 1% Elongation lo ≥ 500mmMin Elongation at Max load
Standard 7-wire9.3+0.3524081770927881
-0.15
11-0.3715571770125106110
-0.15
12.5+0.4937301770164139144
-0.2
15.2+0.413910901670232197204
-0.2
Super 7-wire9.6+0.35543218601028790
-0.15
11.3-0.3755901860139118122
-0.15
12.9+0.41007851860186158163
-0.2
15.7+0.415011801770265225233
-0.2
Dia 7-wire12.7+0.41128901860209178184
-0.2
15.2+0.416512931820300255264
-0.2
18+0.422917501700380323334
-0.2
Min Elongation at Max Load:3.5
Relaxation Value 1000h60% initial Load: 1.0
70% initial Load: 2.5
80% initial Load: 4.5

 

 

Mechanical Properties of steel strand - ASTM A 416

GradeNom.(mm)Tolerance(mm)Cross Section(mm2)Re. Mass per 1000m (Kg/1000m) (kg)Min Breaking loadMin Load at 1% Extension (KN)
250 (1725)9.53±0.4051.6140589.081
11.1139.68548120.1108.1
12.7092.90730160.1144.1
15.24139.351094240.2216.2
270 (1806)9.53±0.6554.84431102.392.1
11.1174.19582137.9124.1
12.70-0.1598.71775183.7165.1
15.24140.001102260.7234.6
Lo ≥ 610mm (%)3.5
The relaxation at 1000h ( initial Load to 70% of nominal max load )(t/%) Not more than (%)Low-relaxation: 2.5
Normal-relaxation: 3.5



Prestressing Strands Weights 12.7mm Prestressing Strands Weights





Prestressing Strands Weights 12.7mm Prestressing Strands Weights


Prestressing Strands Weights 12.7mm Prestressing Strands Weights



 

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