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ASTM A992 A36 w12x252 wide parallel flange beam
W12 flange steel series steel parameters
| 型号 | Cross-sectional dimensions (mm) | Weight per meter (kg/m) | 适用材质 |
|---|---|---|---|
| W12x26 h beam wide flange | 310×165×5.84×9.65 | 38.7 | A36/A572GR50/A992 |
| W12x35 w shape beam | 317×167×7.6×13.21 | 52.33 | A36/A572GR50/A992 |
| W12x40 wide flange beam | 303×203×7.49×13.08 | 59.63 | A36/A572GR50/A992 |
| W12x50 w flange beam | 309×205×9.4×16.26 | 74.4 | A36/A572GR50/A992 |

Material property comparison
| Material | Chemical composition characteristics | Mechanical properties | Welding performance | Typical Applications |
|---|---|---|---|---|
| A36 | Low carbon steel, carbon content ≤ 0.26% | Yield strength 250MPa, tensile strength 420MPa | Excellent weldability, no preheating required | Buildings, bridges, general mechanical structures |
| A992 | Low alloy steel with high manganese content | Yield strength 345MPa, tensile strength 580MPa | Heat input needs to be controlled to avoid cracks | High-strength bridges, heavy equipment, high-rise buildings |
Differences between A992 and A36 in the W12 h beam section series
Strength comparison: The yield strength of A992 h shaped beam is about 38% higher than that of A36 h beam material, which is suitable for higher load scenarios (such as large bridge main beams).
A36 structural steel h beam has better toughness and is suitable for welding complex structures.
Processing suggestions
A36 h beam steel structure: No preheating is required, it can be directly welded, suitable for mass production.
A992 steel beam: The interlayer temperature needs to be controlled (≤150℃) to avoid cold cracks.





















