Friends Steel has recently introduced MS ERW pipes (Black and Galvanized) in the Gujarat market manufactured at its franchisee unit at Viramgam. Within a short span of time, Friends Pipes have made a name in the market for excellent quality and availability of wide range of sizes. Rectangular and square hollow sections, round pipes of various diameters and thickness are available.
| BLACK & GALVANIZED STEEL TUBES FOR IS:4923 |
| DIMENSION & DEPTH PROPERTIES OF RECTANGULAR HOLLOW SECTION |
| GRADE YST 210, YST 240, YST310 |
| DESIGNATION |
DEPTH OF SECTION D |
WIDTH OF SECTION W |
THICKNESS |
WEIGHT |
AREA OF SECTION |
|
| mm |
mm |
mm |
mm |
Kg/m |
|
|
|
|
50 |
25 |
3.20 |
3.24 |
4.13 |
|
| 60 X 40 |
60 |
40 |
2.90 |
4.12 |
5.25 |
|
| 80 X 40 |
80 |
40 |
2.90 |
5.03 |
6.41 |
50.87 |
|
80 |
40 |
3.20 |
5.50 |
7.01 |
54.94 |
|
80 |
40 |
4.00 |
6.71 |
8.55 |
64.79 |
| 96 X 48 |
96 |
48 |
3.20 |
6.71 |
8.54 |
98.61 |
|
96 |
48 |
4.00 |
8.22 |
10.47 |
117.54 |
|
96 |
48 |
4.80 |
9.66 |
12.31 |
134.35 |
| 122 X 61 |
122 |
61 |
3.60 |
9.67 |
12.32 |
232.61 |
|
122 |
61 |
4.50 |
11.88 |
15.14 |
278.94 |
| GRADE |
TENSILE STRENGTH(min) Mpa |
YIELD STRESS (min) Mpa |
ELONGATION |
| 25.4 mm & under |
Over 25.4 mm |
| YST – 210 |
330 |
210 |
12 |
20 |
| YST -240 |
410 |
240 |
10 |
15 |
| YST – 310 |
450 |
310 |
8 |
10 |
| Outside diameter of sides |
±1% with minimum ±0.5 mm |
| Thickness |
±10% |
| Weight |
| Single Tube |
– 8% + 10% |
| On lots of 10 Tonne |
±7.5% |
| DESIGNATION D X W |
DEPTH OR WIDTH |
THICKNESS |
WEIGHT |
AREA OF SECTION |
MOMENT OF INERTIA |
RADIUS OF GYRATION |
ELASTIC MODULUS |
PLASTIC MODULUS |
| mm |
mm |
mm |
Kg/m |
|
|
cm |
|
|
| 25 X 25 |
25.00 |
2.60 |
1.69 |
2.16 |
1.72 |
0.89 |
1.38 |
1.76 |
|
25.00 |
3.20 |
1.98 |
2.53 |
1.89 |
0.86 |
1.51 |
1.98 |
| 32 X 32 |
32.00 |
2.60 |
2.26 |
2.88 |
4.02 |
1.18 |
2.51 |
3.11 |
|
32.00 |
3.20 |
2.69 |
3.42 |
4.54 |
1.15 |
2.84 |
3.59 |
|
32.00 |
4.00 |
3.19 |
4.07 |
5.02 |
1.11 |
3.14 |
4.11 |
| 38 X 38 |
38.00 |
2.60 |
2.75 |
3.51 |
7.14 |
1.43 |
3.76 |
4.57 |
|
38.00 |
2.90 |
3.03 |
3.86 |
7.68 |
1.41 |
4.04 |
4.97 |
|
38.00 |
3.20 |
3.29 |
4.19 |
8.18 |
1.40 |
4.30 |
5.34 |
|
38.00 |
3.60 |
3.63 |
4.62 |
8.76 |
1.38 |
4.61 |
5.80 |
|
38.00 |
4.00 |
3.95 |
5.03 |
9.26 |
1.36 |
4.87 |
6.22 |
| 49.5 X 49.5 |
49.50 |
2.90 |
4.07 |
5.19 |
18.37 |
1.88 |
7.42 |
8.93 |
|
49.50 |
3.60 |
4.93 |
6.28 |
21.42 |
1.85 |
8.66 |
10.60 |
|
49.50 |
4.50 |
5.95 |
7.58 |
24.64 |
1.80 |
9.96 |
12.47 |
| 72 X 72 |
72.00 |
3.20 |
6.71 |
8.54 |
66.32 |
2.79 |
18.42 |
21.80 |
|
72.00 |
4.00 |
8.22 |
10.47 |
79.03 |
2.75 |
21.95 |
26.32 |
|
72.00 |
4.80 |
9.66 |
12.31 |
90.31 |
2.71 |
25.09 |
30.49 |
| 91.5 X 91.5 |
91.50 |
3.60 |
9.67 |
12.32 |
156.49 |
3.56 |
34.21 |
40.24 |
|
91.50 |
4.50 |
11.88 |
15.14 |
187.57 |
3.52 |
41.00 |
48.79 |
