Gnee Steel (Tianjin) Co., Ltd. is one of the most professional w21x166 a36/a572gr50/a992 wf steel beam manufacturers and suppliers in China, also supports customized service. If you're going to buy w21x166 a36/a572gr50/a992 wf steel beam made in China, welcome to get free sample from our factory. Quality products and low price are available.
W21x166 A36/A572GR50/A992 wf steel beam
Basic parameters and specifications
| Parameters | W21x166 steel (American standard H-beam) |
|---|---|
| Cross-section size | 21 inches (about 533.4mm) |
| Theoretical weight | About 166 lbs/ft (need to be adjusted according to material) |
| Applicable standards | ASTM A6/A36/A572/A992 |
Material characteristics comparison
A36 h beam steel structure material
Chemical composition: low carbon steel, carbon content ≤0.2365%, silicon 0.15%-0.40%, manganese 0.30%-0.60%.
Mechanical properties: yield strength 36 ksi, tensile strength 58 ksi, with a balance of strength and toughness.
Weldability: excellent, suitable for complex structure welding.
A572GR50 h section steel material
Chemical composition: contains alloy elements such as vanadium and nickel, and the manganese content is increased to 1.0%-1.6%.
Mechanical properties: yield strength 50 ksi, tensile strength 65 ksi, strong fatigue resistance.
Application scenarios: heavy machinery, large bridges and other high-load scenarios.
A992 steel h beam material
Chemical composition: high manganese content (1.0%-1.6%), enhanced strength and hardness.
Mechanical properties: yield strength 50 ksi, tensile strength 65 ksi, similar to A572GR50 performance but better toughness.
Weldability: Heat input needs to be controlled to avoid cracks.
Typical application scenarios
| Material | Application Areas | Advantages and features |
|---|---|---|
| A36 h type beam | Building frames, ordinary bridges, ship structures | Low cost and convenient processing |
| A572GR50 steel beam h | Nuclear power engineering, petrochemical equipment, wind power towers | High strength, good corrosion resistance |
| A992 h steel profile | High-rise building core structure and earthquake-resistant design | Excellent comprehensive performance and high safety |
