Psb Screw Thread Steel Bar

  • Model NO.: SIZE: 6-28MM
  • Length: 5.8-12m
  • Surface: Ribbed
  • Specification: ASTM, BS, GB
  • HS Code:
  • Diameter: 6-28mm
  • Use for: Building and Construction
  • Trademark: GHL
  • Origin: China

HOT ROLLED SCREW THREAD STEEL BAR 


1. Screw Thread Steel bars 
 
PSB500/555/785/830/930/1080 Screw thread reinforced steel bars
Cheap price High quality 12mm PSB Screw thread Iron steel bar for concrete
 
The screw thread steel bars for the prestressing of concrete manufactured by our company is a high tensile alloy steel bar which features a coarse right-hand thread The outline dimensions of the screw thread steel bars for the prestressing of concrete manufactured by us accord with the regulation for the outline and dimension of screw thread steel bars for the prestressing of concrete provided by Highway LAYOUT Design Institute under the Ministry of Communication.
 
1)Grade: HRB400/HRB500/BS4449/ASTM A615/SD400 
2)Diameter:6,12,14,16,18,20,22,25,28,32
3)Length:6m-12m  or in coils
4)Brand:GHL
5)MOQ:250 tons
6)Usuage: building and construction
7)competitive price   
8)FOB Price: Per Metric Ton price

Length:6m-12m 
The chemical composition of deformed steel bar reinforcing bar







Standard

GB1499-48,HRB335,HRB400,HRB500,BS4449-97,Gr.460B,B500

The chemical composition of reinforcing bar

Grade

C

Mn

Si

S

P

HRB335

0.17~0.25

1.0~1.6

0.4~0.8

0.045Max

0.045Max

HRB400

0.17~0.25

1.2~1.6

0.2~0.8

0.045Max

0.045Max

HRB500

0.17~0.25

1.6Max

0.8Max

0.045Max

   0.045Max

The technique parameter of reinforcing bar

 

Yield Strength

Tensile Strength

Elongation

HRB335

≥335MPa

≥455MPa

≥17%

HRB400

≥400MPa

≥540MPa

≥16%

HRB500

≥500MPa

≥630MPa

≥15%

Concave Convex Drainage Board

Production process

Concave convex Drainage Board has a good drainage system of the civil construction period and normal use of structure in playing an important role. Drain and porous tubes an effective drain drainage system, cylindrical long-short drainage plate and Geotextiles is composed of a drainage system, thus forming the function of water seepage, water storage and drainage system.

 

Introduction:

Dimple Drainage Board is using blow molding method to produce high density polyethylene (HDPE) Geomembrane, pressed on geomembrane pressure after the special craft the closed swelled the frustum of a cone shape, having a three-dimensional space and some support stiffness, liquid, gas can flow excreted within its plate. This dimples which in spatial structure with certain height can resist long-term high pressure without deformation.

 

Concave convex drainage board instead of pebbles water drainage has the advantage of time saving, energy saving and saving investment, also can reduce the load of the building.
Drainage board plays an important role in good drainage system, the civil construction period and normal use of structure. Drain board and also called basement drainage is an effective drain drainage system, cylindrical long-short drainage plate and geotextiles is composed of a drainage system, thus forming a which has the function of water seepage, water storage and drainage system.

 

Advantages

low-cost, high efficiency; durable; chemical resistance, resistance to puncture of plant roots; diverse application; simple installation and quality guaranteed.

 

Application:

Greening project: the garage roof greening, roof garden, vertical greening, roof greening, football pitches, golf course, etc.
2. Municipal engineering: airport, road embankment, subway, tunnel, landfill, etc.
3. Construction: the upper or lower building foundation, inside and outside the basement wall, floor and roof, roof seepage control and heat insulation layer, etc.
4. Water conservancy project: the reservoir seepage water, reservoir, lake water seepage control, etc.
5. Traffic engineering: highway, railway basement, roadbed, dam and slope protection layer, etc.

Application

•New road and renovation project

•Asphalt overlay on the old cement concrete road surface

•Repair of asphalt pavements cracks and old asphalt road

•To be reinforced layer for airport runway, bridge, playground.

 

 

 

Specification:

 

NO.

Item Name

Technical requirements

H10-1.0

H20-1.0

H10-1.5

H20-1.5

H10-2.0

H20-2.0

1

Tensile strength N/<5cm>         â‰¥

400

400

500

500

700

700

2

Elongation at break %           â‰¥

200

200

300

300

400

400

3

Dimensional strength Mpa     â‰¥

400

320

450

370

500

420

4

Dimensional stability %

±2

5

Low temperature impact brittle property

-35℃ crack-free bending

6

Longitudinal flow capacity cm3/s( hydraulic pressure 5Kpa)

5.6

8.6

5.6

8.6

5.6

8.6

7

Longitudinal flow capacity cm3/s( hydraulic pressure 350Kpa)

15.2

18.2

15.2

18.2

15.2

18.2


Dimple Drainage Board

Convex Drainage Board,Dimple Drainage Board,Basement Drainage,Dimple Drainage Boards

ZHEJIANG BOYA COMTECH CO.,LTD , http://www.zjbytx.com

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