Products
Construction TMT/QST Bars
Corrosion-resistant, earthquake resistant, ductile, and superior welding strength!
We produce FE500, FE500D, FE550D, CRS grades from 6mm to 32mm of wide range. We have “D” graded steel bars. TMR/QST bars having this grade mean more flexibility and strength. Our bars assure phenomenal quality in all types of building construction.
Chemical Properties - IS 1786:2008
Elements
|
Indian Standard ( 1786 : 2008 )
|
Polaad Specifications
|
||||||
---|---|---|---|---|---|---|---|---|
Fe 500
|
Fe 500D
|
Fe 550
|
Fe 550D
|
500
|
500D
|
550
|
550D
|
|
Carbon, Max
|
0.30
|
0.25
|
0.30
|
0.25
|
0.25
|
0.25
|
0.25
|
0.25
|
Sulphur, Max
|
0.055
|
0.040
|
0.055
|
0.040
|
0.050
|
0.040
|
0.050
|
0.040
|
Phosphorus, Max
|
0.055
|
0.040
|
0.050
|
0.040
|
0.050
|
0.040
|
0.050
|
0.040
|
S + P, Max
|
0.105
|
0.075
|
0.100
|
0.075
|
0.095
|
0.075
|
0.095
|
0.075
|
Mechanical Properties - NES- IS 1786:2008
Elements
|
Indian Standard ( 1786 : 2008 )
|
Polaad Specifications
|
||||||
---|---|---|---|---|---|---|---|---|
Fe 500
|
Fe 500D
|
Fe 550
|
Fe 550D
|
500
|
500D
|
550
|
550D
|
|
Yield Strength, Min (N/mm²)
|
500
|
500
|
550
|
550
|
530
|
530
|
580
|
580
|
Ultimate Tensile Strength, Min (N/mm²)
|
545
|
565
|
585
|
600
|
585
|
585
|
610
|
610
|
Elongation, Min (%)
|
12
|
16
|
10
|
14.5
|
16-20
|
18-22
|
16-20
|
18-22
|
UTS/YS Ratio
|
1.08
|
1.10
|
1.06
|
1.08
|
1.10
|
1.15
|
1.10
|
1.15
|
Weight Tolerance
Size (Dia)of bar(mm)
|
Cross
Sectional area (m2)
|
Section Wt. (Kg/m ) as
per IS1786 |
Polaad Section Wt. (Kg/m)
|
Length of Bar (m)
|
Weight of 1 Bar of Polaad (Kg)
|
No. Of Bars In 1 Bundle
|
||||
---|---|---|---|---|---|---|---|---|---|---|
Lower
|
Standard
|
Higher
|
Lower
|
Higher
|
Lower
|
Higher
|
||||
6
|
28.30
|
0.206
|
0.222
|
0.238
|
0.211
|
0.233
|
12
|
2.531
|
2.797
|
30
|
8
|
50.30
|
0.367
|
0.395
|
0.423
|
0.375
|
0.415
|
12
|
4.503
|
4.977
|
17
|
10
|
78.60
|
0.574
|
0.617
|
0.660
|
0.586
|
0.648
|
12
|
7.034
|
7.774
|
11
|
12
|
113.10
|
0.844
|
0.888
|
0.932
|
0.861
|
0.915
|
12
|
10.336
|
10.976
|
8
|
14
|
153.95
|
1.148
|
1.209
|
1.269
|
1.175
|
1.209
|
12
|
14.1
|
14.5
|
6
|
16
|
201.20
|
1.501
|
1.580
|
1.659
|
1.533
|
1.627
|
12
|
18.391
|
19.529
|
4
|
18
|
254.50
|
1.940
|
1.998
|
2.058
|
1.950
|
1.998
|
12
|
23.4
|
23.976
|
3
|
20
|
314.30
|
2.396
|
2.470
|
2.544
|
2.421
|
2.519
|
12
|
29.047
|
30.233
|
3
|
25
|
491.10
|
3.735
|
3.850
|
3.966
|
3.733
|
3.927
|
12
|
45.276
|
47.124
|
2
|
28
|
615.80
|
4.685
|
4.830
|
4.975
|
4.733
|
4.927
|
12
|
56.801
|
59.119
|
1
|
32
|
804.60
|
6.121
|
6.310
|
6.499
|
6.184
|
6.436
|
12
|
740
|
77.234
|
1
|