"St", refers to the general structural carbon steel includes %2 carbon "52" is a steel has min 52 kg/mm tensile strength. It is best used in welded steel construction changing and exposed to constant stress
| Thickness (mm) | ||||
|---|---|---|---|---|
| 1000*2000 | 1200*2400 | 1250*2500 | 1500*6000 | |
| 2.00 mm | 32.0 kg | 46.0 kg | 50.0 kg | |
| 2.50 mm | 40.0 kg | 57.6 kg | 62.5 kg | |
| 3.00 mm | 48.0 kg | 69.1 kg | 75.0 kg | 216.0 kg |
| 3.50 mm | 56.0 kg | 80.6 kg | 87.5 kg | 252.0 kg |
| 4.00 mm | 64.0 kg | 92.2 kg | 100.0 kg | 288.0 kg |
| 5.00 mm | 80.0 kg | 115.2 kg | 125.0 kg | 360.0 kg |
| 6.00 mm | 96.0 kg | 138.2 kg | 150.0 kg | 432.0 kg |
| 7.00 mm | 112.0 kg | 161.2 kg | 175.0 kg | 504.0 kg |
| 8.00 mm | 128.0 kg | 184.3 kg | 200.0 kg | 576.0 kg |
| 9.00 mm | 144.0 kg | 207.0 kg | 225.0 kg | 648.0 kg |
| 10.00 mm | 160.0 kg | 230.0 kg | 250.0 kg | 720.0 kg |
| 12.00 mm | 192.0 kg | 276.0 kg | 300.0 kg | 864.0 kg |
| 13.00 mm | 208.0 kg | 299.0 kg | 325.0 kg | 936.0 kg |
| 14.00 mm | 224.0 kg | 322.0 kg | 350.0 kg | 1008.0 kg |
| 15.00 mm | 240.0 kg | 345.0 kg | 375.0 kg | 1080.0 kg |
| 16.00 mm | 256.0 kg | 368.0 kg | 400.0 kg | 1152.0 kg |
| 18.00 mm | 288.0 kg | 414.0 kg | 450.0 kg | 1296.0 kg |
| 20.00 mm | 320.0 kg | 460.0 kg | 500.0 kg | 1440.0 kg |
| 25.00 mm | 400.0 kg | 576.0 kg | 625.0 kg | 1800.0 kg |
| 30.00 mm | 480.0 kg | 691.0 kg | 750.0 kg | 2160.0 kg |
| 35.00 mm | 560.0 kg | 806.0 kg | 875.0 kg | 2520.0 kg |
| 40.00 mm | 640.0 kg | 921.0 kg | 1000.0 kg | 2880.0 kg |
| 50.00 mm | 800.0 kg | 1152.0 kg | 1250.0 kg | 3600.0 kg |
| 60.00 mm | 960.0 kg | 1382.0 kg | 1500.0 kg | 4320.0 kg |
| 70.00 mm | 1120.0 kg | 1612.0 kg | 1750.0 kg | 5040.0 kg |
| 80.00 mm | 1280.0 kg | 1843.0 kg | 2000.0 kg | 5760.0 kg |
| 90.00 mm | 1440.0 kg | 2073.0 kg | 2250.0 kg | 6480.0 kg |
| 100.00 mm | 1600.0 kg | 2304.0 kg | 2500.0 kg | 7200.0 kg |
| C | % 0.22 (max) |
|---|---|
| Si | % 0.55 (max) |
| Mn | % 1.60 |
| P | % 0.05 |
| S | % 0.05 |
| Class | Kind | Thickness mm
|
Yield Strength Mpa(min)
|
Tensile Strength MPa
|
Elongation % (min)
|
Min Impact StrengthKVJ | ||
| -20° | 0° | +20 | ||||||
| A ST 52 |
Normalized
|
<16 | 355 | 510-650 | 20 | 27 | 34 | 40 |
| 16 -40 | 345 | 510-650 | 20 | 27 | 34 | 40 | ||
| 40-60 | 335 | 460-580 | 20 | 27 | 34 | 40 | ||
| 60-100 | 315 | 490-630 | 20 | 27 | 34 | 40 | ||
| 10-150 | 295 | 480-630 | 20 | 27 | 34 | 40 | ||
| 150-250 | 280 | 470-630 | 20 | 27 | 34 | 40 | ||
