Fire Resistant and weather resistant Steel Beam
1.Production Standard:
2.Grade:
LWFR490
3.Steel Beam Sizes and Weights
| Size | kg/m | Size | kg/m |
|---|---|---|---|
| 100*100 | 16.9 | 300*300 | 93 |
| 125*125 | 23.6 | 340*250 | 78.1 |
| 148*100 | 20.7 | 350*350 | 135 |
| 150*75 | 14 | 390*300 | 105 |
| 150*150 | 31.1 | 396*199 | 56.1 |
| 175*90 | 18 | 400*200 | 65.4 |
| 175*175 | 40.4 | 400*400 | 172 |
| 194*150 | 29.9 | 400*408 | 197 |
| 198*99 | 17.8 | 414*405 | 232 |
| 200*100 | 20.9 | 440*300 | 121 |
| 200*200 | 49.9 | 446*199 | 65.1 |
| 200*204 | 56.2 | 450*200 | 74.9 |
| 244*175 | 43.6 | 482*300 | 111 |
| 248*124 | 25.1 | 488*300 | 125 |
| 250*125 | 29 | 496*199 | 77.9 |
| 294*200 | 55.8 | 500*200 | 88.2 |
| 298*201 | 65.4 | 582*300 | 133 |
| 298*149 | 32 | 588*300 | 147 |
| 300*150 | 36.7 | 596*199 | 92.5 |
| 346*174 | 41.2 | 600*200 | 103.4 |
| 350*175 | 49.4 | 700*300 | 182 |
| 250*250 | 71.8 | 800*300 | 207 |
| 250*255 | 81.6 | 900*300 | 240.1 |
4.Mechanical Properties for LWFR490
| （20℃） | 20℃AKV/J≥ | 600℃ | ||||||
| 1h | ||||||||
| бsMPa | бbMPa | δ5% | ψ% | бs/бb | бsMPa | бbMPa | δ5% | |
| ≥ | ≥ | ≥ | ≥ | ＜ | ≥ | ≥ | ≥ | |
| 345 | 490 | 18 | 40 | 0.85 | 50 | 230 | 327 | 25 |
5.Advantages:
The weathering resistance of steel can prolong the service life of steel and reduce the maintenance cost in the use process. The corrosion resistance of this product in industrial atmosphere is more than twice that of ordinary Q345.
This product has excellent fire resistance performance, which can meet the comprehensive requirements of users on fire resistance and weather resistance of steel. While improving the safety of buildings, it can reduce the user’s construction costs and maintenance costs during the use of buildings.
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