Screw Thread Steel Bar (PC bar)-WTR
As a kind of prestressed material, Screw Thread Steel Bar (PC bar) is widely used in large bridges of expressways and high-speed railways, rock and soil slope anchorage, building foundation and other engineering fields. The product has the advantages of simple connection and anchoring, safe and reliable, convenient construction, etc. PC Bar is a kind of high-strength and high-precision straight bar with external thread rolled on the whole bar. The reinforcement shall be connected or anchored by screwing a coupler or nut with internal thread on any section.
HUAYONGXIN supply professional and honest service.
The high-strength pre-stressed threaded bars produced by our company are matched with various anchorages, connectors, and tool anchors for tensioning. The grades are PSB500/630, PSB785/930, PSB830/, PSB930/, PSB/, PSB/. The main diameters are 15mm, 18mm, 20mm, 25mm, 28mm, 32mm, 36mm, 40mm, 50mm, 63.5mm, 75mm and other specifications. The corresponding diameters can also be ordered according to the needs of users.
PRESTRESSING THREAD STEEL BAR
Steel grade
Yield strength MPa
Tensile strength MPa
Elongation at failure A%
Uniform elongtion Agt%
Stress relaxation
Original stress
Relaxation rate after h r/%
Ralaxation rate after 10 r/%
PSB500
&#;500
&#;630
&#;10
0.8R
&#;3
&#;1.5
PSB555
&#;555
&#;777
&#;5
PSB785
&#;785
&#;980
&#;7
&#;3.5
PSB830
&#;830
&#;
&#;6
PSB930
&#;930
&#;
&#;6
PSB
&#;
&#;
&#;6
&#;2.5
PSB390
&#;390
&#;560
&#;18
Nominal Diameter
mm
Dv
mm
Dh
mm
H
mm
B
mm
L
mm
Nominal sectional
area
mm2
Nominal
Weight
Kg/M
15
15
15
1
4.5
10
176
1.47
18
18
18
1.2
4
9
254.5
2.11
20
20
20
1.3
4.8
10
314
2.47
25
25
25
1.6
6
12
490.9
4.1
32
32
32
2.0
7
16
804.2
6.65
36
36
36
2.2
8
18
8.41
40
40
40
2.5
8
20
.6
10.34
50
50
50
3.0
9
24
.5
16.28
63.5
63
63.5
3.0
--
22
26.5
Spherical Nut and Anchor Nut
Nominal Diameter
mm
Full force hex nut
L
SW
Weight (kg/pc)
15
45
28.5
0.2
18
45
30
-
20
45
32
0.29
25
54
50
0.65
32
72
65
1.45
36
80
65
1.65
40
100
70
2.09
50
110
80
2.71
63.5
115
100
4.58
Nominal Diameter
mm
Spherical hex nut
L
SW
Weight (kg/pc)
15
45
28.5
0.18
18
45
30
-
20
45
32
0.21
Contact us to discuss your requirements of PC Steel Bar. Our experienced sales team can help you identify the options that best suit your needs.
25
54
50
0.60
32
72
65
1.35
36
80
65
1.50
40
100
70
2.00
50
110
80
2.60
63.5
115
100
4.58
Coupler
Normal Diameter
mm
L mm
D mm
Φ mm
Weight (kg/pc)
15
80
30
15.3
0.32
25
126
50
25.4
1.35
32
168
60
32.5
2.25
36
180
70
36.6
3.6
40
220
74
41.0
4.63
50
270
88
51.0
8.05
63.5
260
102
64.0
9.50
Lock nut
Nominal Diameter
mm
Lock nut
H
S
D
Weight (kg/pc)
15
22
32
37
0.09
20
22
32
37
0.11
25
26.5
50
57
0.30
32
35.5
65
75
0.67
36
39.5
65
75
0.75
40
49.5
70
81
1.00
50
54.5
80
92
1.30
63.5
57.5
100
115
2.29
Plate
Normal Diameter
mm
Size marking
L1
L2
R1
R2
Φ
Weight (kg /pc)
15
80
80
12
22
0.7
20
80
80
16
28
0.7
25
120
120
13.5
20
35
2.1/2.0
28
100
100
14
38
1.2
32
140
140
15.5
24
45
3.5/3.4
36
150
150
15
30
50
4.8/4.6
40
160
160
15
30
55
5.53/5.2
50
200
200
15
50
60
14.1
63.5
240
240
50
21.8
China PC Bar Manufacturers, Suppliers
Silvery Dragon is the earliest manufacturer of pc bar in China, and also the developer of spiral drawing and high-frequency heat treatment technology for PC bar. We also successfully developed various kinds of alloy wire rod for PC bar together with domestic steel mills. We export a lot to foreign markets, and also develop deep processing products which bring additional benefits.
In , we successfully developed pc bar for high-speed railway track plate and deep processing threaded pc bar. ...
Comments
All Comments ( 0 )