Product Classification
Type | Definition | Typical Notation |
Equal-leg Angle | Both legs have the same width | Leg width × thickness, e.g., L50×50×5 |
Unequal-leg Angle | Leg widths are different | Long leg × short leg × thickness, e.g., L100×80×8 |
Common Specifications (Equal-leg Angle Steel)
Size | Leg Width (mm) | Thickness (mm) | Theoretical Weight (kg/m) | Length (m) |
L20×3 | 20 | 3 | 0.89 | 6 / 9 / 12 |
L25×3 | 25 | 3 | 1.12 | 6 / 9 / 12 |
L30×3 | 30 | 3 | 1.37 | 6 / 9 / 12 |
L40×4 | 40 | 4 | 2.42 | 6 / 9 / 12 |
L50×5 | 50 | 5 | 3.77 | 6 / 9 / 12 |
L60×6 | 60 | 6 | 5.42 | 6 / 9 / 12 |
L63×6 | 63 | 6 | 5.72 | 6 / 9 / 12 |
L70×7 | 70 | 7 | 7.40 | 6 / 9 / 12 |
L75×8 | 75 | 8 | 9.03 | 6 / 9 / 12 |
L80×8 | 80 | 8 | 9.66 | 6 / 9 / 12 |
L90×8 | 90 | 8 | 10.95 | 6 / 9 / 12 |
L100×10 | 100 | 10 | 15.12 | 6 / 9 / 12 |
L125×12 | 125 | 12 | 22.70 | 6 / 9 / 12 |
L150×15 | 150 | 15 | 33.10 | 6 / 9 / 12 |
Other sizes (e.g., L140×10, L160×16) and unequal-leg angles (e.g., L100×80×8, L125×80×10) are also available upon request. Lengths can be cut to order.
Materials & Standards
Material | Yield Strength (MPa) | Tensile Strength (MPa) | Applicable Standard |
Q235B | ≥235 | 370-500 | GB/T 706, GB/T 700 |
Q355B | ≥355 | 470-630 | GB/T 706, GB/T 1591 |
Q195 | ≥195 | 315-430 | GB/T 706, GB/T 700 |
For export, we can also produce to JIS G3192, ASTM A36, or EN 10025, with equivalent grades such as SS400, S235JR, S355JR available.
Surface Finishes
Finish | Features | Application |
Bare steel (black) | Hot-rolled scale surface, lowest cost | Indoor structures, painting after welding |
Hot-dip galvanized | Zinc coating ≥40μm, excellent corrosion resistance | Outdoor, coastal, high-corrosion environments |
Electro-galvanized | Bright appearance, thin coating | Mild anti-corrosion, decorative |
Paint coating | Anti-rust paint or topcoat as specified | Specific colour or corrosion protection |
Key Advantages
Advantage | Description |
High Structural Strength | Hot-rolled with uniform section, good bending and torsion resistance |
Complete Size Range | Equal-leg from L20×3 to L200×20; various unequal-leg combinations in stock |
Precise Dimensions | Leg width, thickness, and length meet standards; clean cut ends |
Excellent Workability | Easy to cut, drill, weld, suitable for on-site fabrication |
Versatile Surface Options | Bare, galvanized, painted – suitable for different environments |
Custom Lengths | Cut-to-length service (3m, 4m, 5m, 6m, 9m, 12m, etc.) reduces waste |
Export-Ready Packaging | Tightly bundled, waterproof and rust-proof, safe for ocean freight |
Application Scenarios
Field | Typical Uses |
Building Structures | Steel plant frames, beams/columns, bracing members |
Bridge Works | Girders, cross-beams, connectors |
Power & Telecom | Transmission towers, telecommunication masts, lamp poles |
Machinery Manufacturing | Equipment bases, frames, conveyor rails |
Curtain Wall & Decoration | Curtain wall framing, stone cladding supports |
Municipal Facilities | Stair handrails, guardrails, brackets, carports |
Shipbuilding & Vehicles | Hull frames, carriage structures |
Packaging & Shipping
Packaging Method | Description |
Bundled Packing | Bundled by size with steel straps/wire, each bundle approx. 2-3 tons |
Waterproof & Rust-proof | Anti-rust oil coating for bare steel, wrapped with waterproof fabric |
Custom Marking | Labels or stenciled markings as per request |
Loading Port | Qingdao, Tianjin – we can arrange ocean freight |
supplies equal-leg and unequal-leg angle steel in materials Q195, Q235B, Q355B, with hot-dip galvanizing service and cut-to-length options. For inquiries and quotations, please contact us.
