Unequal Angle Bar
Precision-rolled with long leg/short leg ratio 1.2:1 to 3:1 (e.g. 100×75mm). Compliant with Q355B (GB), A36 (ASTM), S355JR (EN). Optimized centroid design saves 18% material for eccentric connections and confined spaces. |
Product Name: Hot Rolled Unequal Steel Angle
Overview
Precision-rolled with long leg/short leg ratio 1.2:1 to 3:1 (e.g. 100×75mm). Compliant with Q355B (GB), A36 (ASTM), S355JR (EN). Optimized centroid design saves 18% material for eccentric connections and confined spaces.
Parameter | Standard Range | Tolerance |
---|---|---|
Leg Combination | 30×20mm - 200×150mm | Long leg±0.8mm, Short leg±0.5mm |
Thickness | 3-20mm | ±0.3mm |
Yield Strength | Q355B: ≥355MPa | Tensile 470-630MPa |
Centroid Offset | 5-45mm | Laser-calibrated |
Straightness | ≤1.8mm/m (EN 10056-1) | ≤0.8mm/m (cold-straightened) |
Weight | 1.12kg/m (L50×32×3) - 68.5kg/m (L200×150×20) | ±3% theoretical |
Processing | Milled Ends/Pre-punched/HDG | Zn≥550g/㎡ (ISO 1461) |
1. Spatial Adaptability
Long leg: 35% higher bending resistance
Short leg: Compact space installation
2. Mechanical Superiority
Centroid offset reduces joint moment by 25%
Impact toughness ≥40J @ -20℃ (S355K2G3)
3. Global Compliance
Region | Standard | Certification |
---|---|---|
Europe | EN 10056-2 | CE EXC3 |
North America | ASTM A6/A36 | CSA G40.21 50W |
Middle East | BS EN 10056 | SASO ASTM A6 |
4. Pre-engineering
Precision miter cuts (±0.5°)
Robotic welding ready holes (±0.8mm)