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High Quality 
Mature Technical 
Safe and H Beams are commonly used in the construction of buildings as well but also large trailers and bridges, among others. Due to their slightly different cross-section shape, thicker central web and wider flanges, H beams can bear larger loads than I beams.
Q235B H Beam Specification
| Term | Specification | |
| Main Steel Frame | Column | Q235, Q355 Welded H Section Steel |
| Beam | Q235, Q355 Welded H Section Steel | |
| Secondary Frame | Purlin | Q235 C and Z purlin |
| Knee Brace | Q235 Angle Steel | |
| Tie Rod | Q235 Circular Steel Pipe | |
| Brace | Q235 Round Bar | |
| Vertical and horizontal Support | Q235 Angle Steel, Round Bar or Steel Pipe | |
| Maintence System | Roof Panel | EPS Sandwich Panel / Glass Fiber Sandwich Panel / |
| Rock Wool Sandwich Panel / Pu Sandwich Panel /Steel Sheet | ||
| Wall Panel | Sandwich Panel / Corrugated Steel Sheet | |
| Accessories | Window | Aluminum Alloy Window / PVC Window / Sandwich Panel Window |
| Door | Sliding Sandwich Panel Door / Rolling Metal Door / Personal Door | |
| Rain spout | PVC | |
| Live load on Roof | In 120kg /Sqm(Colr steel panel Surrouned ) | |
| Wind Resistance Grade | 12 Grades | |
| Earthquale -Resistance | 8 Grades | |
| Structure Usage | Up to 50 years | |
| Temperature | Suitable temperature:50'C -+50'C | |
| Certification | CE,SGS,ISO9001:2008.ISO4001:2004 | |
| Finishing Options | Vast array of colors and textures available | |
| Paint Options | Alkys paiting,two primary painting ,two finish painting (Gray paint ,red paint,white pait ,epoxy zink etc.) or Galvanized | |
Q235B H Beam Chemical composition
| Grade | Grade | C (%) | Mn (%) | Si | P | S | V (%) | Nb (%) | Ti (%) |
| ≤(%) | |||||||||
| Q195 | - | 0.06-0.12 | 0.25-0.50 | 0.30 | 0.050 | 0.045 | - | - | - |
| Q215 | A | 0.09-0.15 | 0.25-0.55 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.045 | - | - | - | |||||
| Q235 | A | 0.14-0.22 | 0.30-0.65 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.12-0.20 | 0.30-0.70 | 0.045 | - | - | - | |||
| Q345 | A | ≤0.20 | 1.00-1.60 | 0.55 | 0.045 | 0.045 | 0.02 -0.15 | 0.015 -0.060 | 0.02 -0.20 |
| B | 0.040 | 0.040 | |||||||
Q235B H Beam Mechanical property
| Grade | Yield Strength | Tension Strength (MPa) | Elongation | 180°Cold-Bend Test R-Pin Diameter A-Thickness | Charpy V-notch Impact Test (Longitudinal) | ||||
| Thickness (mm) | ΣS≥ (MPa) | Thickness (mm) | Δ ≥(%) | Longitudinal | Transverse | TemperatureºC | AKV/J≥ | ||
| Q235 | ≤16 | 235 | 375-500 | ≤16 | 26 | A | 1.5A | 20 | 27 |
| >16-40 | 225 | >16-40 | 25 | ||||||
| >40-60 | 215 | >40-60 | 24 | 0 | |||||
| >60-100 | 205 | >60-100 | 23 | 2A | 2.5A | ||||
| >100-150 | 195 | >100-150 | 22 | 2.5A | 3A | -20 | |||
| >150 | 185 | >150 | 21 | ||||||
| Q345 | ≤16 | 345 | 470-630 | 21 | - | - | 20 | 34 | |
| >16-35 | 325 | ||||||||
| >35-50 | 295 | ||||||||
| >50-100 | 275 | ||||||||
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