Our Structural Steel Angle Bar features standard right angles, smooth surfaces, straight edges and uniform wall thickness. The angle bars have stable structural performance, excellent bending and shear resistance, as well as outstanding welding and machinability. As a general-purpose core structural member, angle bars are widely used in areas such as steel structure reinforcement, load-bearing supports, curtain wall frames, equipment bases, bridge bearings, municipal guardrails and factory frame structures.
The L-shaped right-angle section has high rigidity and even stress distribution. It disperses point loads rather than concentrating them at one location. In structural reinforcement, joint connections and lateral support, this improves shear and bending resistance and reduces the risk of loosening or deformation under load.
We finish on fully automatic hot-rolled lines. Angles are accurate, edge width is consistent, and straightness deviation is minimal, with no cracks, folds or burrs. Tolerances follow international standards, which gives tight fitting and narrow assembly gaps in modular construction and reduces on-site calibration and secondary processing.
Uniform material toughness and good weldability support cutting, bending, punching, welding and tapping without cracking or deformation. The same section covers heavy-load structural reinforcement and lighter applications such as decorative brackets and equipment frames.
High-purity raw material gives the angle basic resistance to oxidation and rust in conventional indoor and outdoor conditions. Surface treatment is selected by environment: hot-dip galvanizing, cold galvanizing or epoxy anti-corrosion spraying. These suit coastal salt spray, high-temperature drought and humid rainy conditions, extending service life and reducing maintenance frequency.
Angle steel is a globally standardized profile with complete specification coverage and low procurement cost. It matches H beams, I beams, square pipes and round pipes at connection and reinforcement points. This simplifies sourcing for mixed-profile projects in construction, municipal engineering, new energy, machinery, chemical and warehousing.
| Item | Details |
| Execution Standards | GB/T 706, EN 10056, ASTM A36, JIS G3101 |
| Material Grade | Q235B, Q355B, S235JR, S355JR, ASTM A36 |
| Product Type | Hot-Rolled Equal Angle Steel, Hot-Rolled Unequal Angle Steel, Hot-Dip Galvanized Angle Steel, Anti-Corrosion Painted Angle Steel |
| Size Range | Edge Width 20mm-200mm, Wall Thickness 2.0mm-20mm, Custom Fixed Length Available |
| Surface Treatment | Original Black Finish, Hot-Dip Galvanizing, Cold Galvanizing, Epoxy Anti-Corrosion Spraying, Rust-Proof Treatment |
| Processing Service | Fixed-Length Cutting, Groove Processing, Punching, Bending, Welding, Precision Machining |
| Delivery Mode | In-Stock Direct Shipment, Bulk Customization, Full/LCL Container Export, Cross-Border Logistics Support |
High-rise steel structure joint reinforcement, industrial factory frame support, and steel structure stair reinforcement.
Photovoltaic and wind power support systems, including bracket reinforcement and frame connections.
Road and bridge guardrails, pipe supports, and municipal auxiliary load-bearing structures.
Building curtain wall keels and exterior structural connection points.
Storage rack structures, mechanical equipment bases, and equipment frame reinforcement.
Agricultural greenhouse structures, container accessories, and overseas civil, industrial and municipal projects requiring export documentation.
| Comparison Item | Equal Angle Steel | Unequal Angle Steel |
| Cross-Section | Two sides of equal width | Long side and short side |
| Stress Distribution | Symmetrical, uniform | Asymmetrical, suits unidirectional stress |
| Bending Resistance | Balanced in both directions | Stronger along the long side |
| Installation Space | Standard, requires symmetric layout | Fits limited or irregular space |
| Cost | Lower per ton | Slightly higher |
| Specification Range | Complete, 20×20mm to 200×200mm | Complete, 25×16mm to 200×125mm |
| Best Suited For | Structural support, reinforcement, brackets, guardrails, general frames | Curtain wall keels, equipment brackets, confined-space connections |
Selection Tip: Choose equal angle for general structural and symmetric load applications; choose unequal angle when installation space is limited or the load is predominantly one-directional.
• Southeast Asia Photovoltaic Support Project (2025): We supplied 1,100 tons of S355JR hot-dip galvanized unequal angle steel for distributed photovoltaic power station projects in Thailand and Vietnam, applied to PV module brackets, diagonal braces and fixed structures. Adopting high-adhesion hot-dip galvanizing technology to adapt to local high temperature, high humidity and salt spray environments, the products ensure long-term structural stability and rust resistance. All products were pre-cut and pre-punched for convenient on-site assembly. The project passed one-time acceptance and established long-term annual supply cooperation.
• Middle East Urban Infrastructure Upgrade Project (2025): We undertook the UAE municipal renovation project and supplied 850 tons of ASTM A36 & Q355B high-strength angle steel for urban road guardrails, bridge reinforcement and municipal curtain wall keel systems. Featuring precise dimensions, high flatness and excellent weldability, the products fully meet the appearance and structural safety standards of high-end Middle Eastern municipal projects. Punctual delivery and complete qualification documents ensured smooth customs clearance and project acceptance.
• European Industrial Factory Renovation Project (2024): We supplied 620 tons of EN standard S235JR precision hot-rolled angle steel for industrial factory renovation in Hungary, used for main structural reinforcement and equipment bracket manufacturing. With strict tolerance control and superior surface quality, the products comply with European refined construction standards. Complete English test reports and qualification documents made us the long-term fixed supplier of the client.
A: Equal angle steel features symmetrical stress distribution and high versatility, suitable for general scenarios such as structural support, reinforcement, brackets and guardrails. Unequal angle steel with flexible long and short side structure adapts to limited installation space and unidirectional stress scenarios, ideal for curtain wall keels and professional equipment brackets. We provide professional selection solutions according to engineering drawings and load requirements.
A: Full customization is supported. We provide custom non-standard edge width, wall thickness and fixed length, as well as surface treatments including hot-dip galvanizing, thickened anti-corrosion coating and painting. One-stop deep processing such as cutting, punching, bending, grooving and welding meets all kinds of non-standard engineering construction needs.
A: All Structural Steel Angle Bar are manufactured in accordance with international standards with full pre-delivery tests on dimensions, appearance and mechanical properties. Each batch is equipped with complete material sheets, factory certificates and test reports, supporting SGS, BV third-party inspection. Full qualifications meet global customs clearance and engineering acceptance requirements.
A: Sufficient stock is available for mainstream GB, EN and ASTM standard specifications. Sample and small-batch orders can be shipped within 3-7 working days. Production schedules for large-batch customized orders are arranged according to project progress. Full container and LCL export are supported with whole-process logistics tracking.
A: Our hot-dip galvanized angle steel adopts high-temperature zinc dipping technology with uniform and dense zinc layer to isolate moisture and oxidation. It maintains stable rust resistance for 8-10 years in conventional outdoor environments. Thickened galvanization is available for coastal salt spray environments. All products are traceable with formal after-sales warranty for non-artificial quality problems.
With years of dedication in steel profile R&D, production and cross-border export, YS STEEL focuses on the global procurement market of infrastructure, new energy and industrial manufacturing. Relying on standardized quality control, stable inventory, mature custom processing capacity and efficient global delivery system, we provide cost-effective Structural Steel Angle Bar and integrated procurement solutions for international engineering contractors, traders and manufacturers.
Adhering to controllable quality, on-time delivery and professional service, we support sample procurement, bulk purchasing and long-term strategic cooperation. Global clients are sincerely welcomed for inquiry, factory inspection and win-win cooperation.
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