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Quick Details

  • Standard: ASTM, BS, DIN, GB, JIS
  • Grade: 40Si2MnV
  • Diameter: 15-50mm
  • Length: 6m/9m/12m
  • Place of Origin: Tianjin, China (Mainland)
  • Brand Name: SJT
  • Model Number: 18-50mm
  • Application: prestressing of concrete
  • material: 40Si2MnV

Packaging & Delivery

Packaging Details: in bundles

Thread bolt and nut 

 

1.Commodity: Rock Bolt for the Prestressing of Concrete

2.Grade: PSB785,PSB830,PSB930,PSB1080

3.Material:40Si2MnV

4.Length:6m-12m

5.Diameter: 15mm,18mm,25mm,32mm,40mm,50mm

6.Packing: In bundle 

Steel

Grade

Yield

Strength

Tensile

Strength

Elongation

Uniform

Elongation

Stress Relaxation

Mpa

Mpa

Original

Stress

Relaxation

Rate

After

1000h

Relaxation

Rate

After 10h

PSB500

≥500

≥630

≥10%

 

 

≤3%

≤1.5%

PSB785

≥785

≥980

≥7%

≥3.5%

0.8R

≤3%

 

PSB830

≥830

≥1030

≥6%

PSB930

≥930

≥1080

≥6%

PSB1080

≥1080

≥1230

≥6%

≥2.5%

 

 

 

 

Nominal Diameter 

(mm)

Full force hex nut
LSWWeight (kg/pc)
154528.50.2
184530-
2045320.29
2554500.65
3272651.45
3680651.65
40100702.09
50110802.71
63.51151004.58
751351207.65

 

 

 

 

 

Nominal Diameter 

(mm)

Spherical hex nut
LSWWeight (kg/pc)
154528.50.18
184530-
2045320.21
2554500.6
3272651.35
3680651.5
40100702
50110802.6

 

 

 

 

CERTIFICATE

 

 

 

 

    

 

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China (Mainland) | Trading Company
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