Carbon Steel Angle Bar Product Overview
Carbon steel angle bar, also known as angle iron or L-bar, is an L-shaped structural section used in framing, bracing, shelving, towers, and general fabrication. Huaxia-Steel supplies equal-leg and unequal-leg carbon steel angle bar in hot-rolled, pickled, and galvanized finishes with grades including Q235B, Q345B, A36, S235JR, S275JR, and SS400.
Standard Sizes and Specifications
| Parameter | Range |
|---|---|
| Leg size (equal leg) | 20 mm × 20 mm – 200 mm × 200 mm |
| Leg size (unequal leg) | 25 mm × 16 mm – 200 mm × 125 mm |
| Thickness | 3 mm – 20 mm |
| Length | 6,000 mm / 12,000 mm, or cut to length |
| Tolerance | ASTM A6 / EN 10056-1 / GB/T 706 |
| Surface | Hot rolled black, pickled, shot blasted, galvanized |
Available Steel Grades
| Grade | Standard | Typical Application |
|---|---|---|
| Q235B | GB/T 700 | General construction, shelving, brackets |
| Q345B / Q355B | GB/T 1591 | Heavy frames, towers, crane booms |
| A36 | ASTM A36 | Structural framing and welded fabrications |
| S235JR | EN 10025-2 | Building frames, infrastructure |
| SS400 | JIS G3101 | General structural work in Asian markets |
Manufacturing Standards
Our carbon steel angle bar is manufactured and inspected to the following standards:
- ASTM A36 / A6: structural carbon steel and dimensional tolerances
- EN 10025-2: structural steel grades S235JR, S275JR, S355JR
- EN 10056-1/2: dimensions and tolerances for structural steel equal and unequal leg angles
- GB/T 700 / GB/T 1591 / GB/T 706: Chinese chemical, mechanical, and dimensional standards
- JIS G3101: Japanese rolled steel for general structure
Applications
- Building frames, roof trusses, and purlins
- Towers, masts, and antenna supports
- Shelving, racking, and storage systems
- Machine guards, platforms, and stair stringers
- Truck and trailer frames
- Agricultural and mining equipment
Quality Assurance
Each heat is supplied with an EN 10204 3.1 mill test certificate covering heat number, chemical composition, mechanical properties, and dimensional compliance. Optional services include:
- PMI spectrometry
- Galvanizing thickness testing
- Third-party inspection by SGS, BV, or TUV
- Cutting, drilling, punching, and welding preparation
Packaging and Shipping
Angle bars are bundled with steel straps, ends aligned, and surface oiled for sea transport. Galvanized angles are wrapped to protect the zinc coating. Wooden separators and pallets can be added for containerized shipments. Each bundle is tagged with grade, size, heat number, and quantity.
Request a Quotation
Send us your leg size, thickness, length, grade, finish, quantity, and destination. Huaxia-Steel will reply with a competitive factory-direct quotation and delivery schedule within 24 hours. Contact us now.
