Xiamen Guoqiao Machinery Co., Ltd.
Main products:PC strancl,steel strip
Products
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  • Contact Person : Ms. Luo Jessie
  • Company Name : Xiamen Guoqiao Machinery Co., Ltd.
  • Tel : 86-592-5662719
  • Fax : 86-592-5259937
  • Address : Fujian,Xiamen,No.1394, Jinshang Rd.
  • Country/Region : China

Steel Strand for Prestressed Concrete

Steel Strand for Prestressed Concrete
Product Detailed
1)Material:Steel 2)Mainly used for:Prestressed Concrete Structure Reinforcement 3)Structure:1x2,1x3,1x7,1x19 4)Grade:250,270

1)Mainly used for:Prestressed Concrete Structure Reinforcement

2)Structure:1x2,1x3,1x7,1x19

3)Grade:250{1725},270{1860}

ASTM A416 Specifications&Technical Parameter

Grade

Nominal Dia(mm)

Tolerance

Nominal Section Area{mm2)

Mass Per 1000m      (kg/1000m)

Minimum Breaking Load

Min.Load at 1% Extension(KN)

Lo≥610mm(%)

The Relaxation at 1000h(Inital load to 70%of nominal max load)(%)

  250   (1725)

9.5

±0.40

51.6

405

89

80

3.5

Low-Relaxation

Normal-Relaxation

 

11.1

69.7

548

120.1

108.1

2.5

3.5

 

12.7

92.9

730

160.1

144.1

 

15.2

139.4

1094

240.2

216.2

 

  270  (1860)

9.53

±0.65 -0.15

54.84

432

102.3

92.1

 

11.11

74.19

582

137.9

124.1

 

12.7

98.71

775

183.7

165.3

 

15.24

140

1102

260.7

234.6

 

Steel Strand for Prestressed Concrete



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