Angle Steel (SS400, Q235, S275JR, A36) Equal Side Kinds

Our equal side angle steel, available in four industry-recognized grades-SS400, Q235, S275JR, and A36-is engineered to deliver uniform load distribution, exceptional workability, and reliable structural performance across diverse applications. As a core component in framing, bracing, and load-bearing systems, the equal side design (with identical leg lengths) ensures balanced stress transfer, making it ideal for projects requiring symmetry and consistent mechanical behavior. Each grade is selected for its unique material properties, allowing customers to match the angle steel to specific project requirements, from light-duty fabrication to heavy-duty construction.

Material Grade Breakdown: Tailored Performance for Every Need

SS400 (JIS Standard): A versatile mild carbon steel grade, SS400 offers a minimum yield strength of 245 MPa and tensile strength ranging from 400–510 MPa. Its low carbon content (≤0.22%) enhances formability, enabling seamless cutting, bending, and welding without cracking-perfect for on-site customization in residential and commercial framing. It also exhibits good surface quality, ensuring compatibility with coatings like galvanization for improved corrosion resistance in outdoor environments.

Q235 (GB Standard): A foundational Chinese grade for structural steel, Q235 features a minimum yield strength of 235 MPa and tensile strength of 375–500 MPa. With excellent ductility and impact resistance (even at moderate low temperatures), it excels in infrastructure projects such as bridge bracing, highway guardrails, and industrial shelving. Its cost-effectiveness and wide availability make it a go-to choice for large-scale, budget-conscious projects.

S275JR (EN Standard): A European structural steel grade, S275JR raises the performance bar with a minimum yield strength of 275 MPa (for thicknesses ≤16mm) and tensile strength of 370–530 MPa. It incorporates trace elements (e.g., manganese, silicon) to enhance toughness, making it suitable for heavy-duty applications like industrial machine frames, offshore platform supports, and multi-story building columns. It also meets strict EN 10025 standards for chemical composition and mechanical testing, ensuring consistent quality.

A36 (ASTM Standard): A globally recognized carbon structural steel, A36 delivers a minimum yield strength of 250 MPa and tensile strength of 400–550 MPa. Renowned for its superior weldability (compatible with all common welding methods, including MIG, TIG, and stick welding) and ductility, it is widely used in commercial construction (e.g., office building framing, roof trusses) and manufacturing (e.g., conveyor systems, storage tanks). Its versatility across climates and applications makes it a staple in international projects.

Equal Side Design: Engineering for Balance and Efficiency

The equal side profile of our angle steel ensures that loads are evenly distributed across both legs, eliminating stress concentration points common in unequal side alternatives. This design simplifies installation, as the identical leg lengths allow for consistent fastening and alignment with other structural components (e.g., beams, channels). Dimensional precision is maintained through advanced hot-rolling technology, with strict tolerances for leg length, thickness, and right-angle accuracy (conforming to grade-specific standards). The hot-rolled finish also refines the steel's grain structure, enhancing overall strength and surface smoothness for easier coating application.

Manufacturing and Quality Assurance

All our equal side angle steel undergoes rigorous quality control throughout the production process. This includes chemical composition analysis (to verify carbon, manganese, and phosphorus content, ensuring compliance with grade standards), mechanical property testing (yield strength, tensile strength, and elongation), and dimensional inspection (using laser measurement tools). For grades like S275JR and A36, additional impact testing may be conducted to confirm toughness under dynamic loads. These measures guarantee that every piece of angle steel meets or exceeds industry benchmarks, minimizing the risk of structural failure and ensuring long-term durability.

Application Versatility

From construction to manufacturing, our multi-grade equal side angle steel adapts to diverse needs:

Construction: Framing for residential homes, commercial buildings, and infrastructure (bridges, tunnels); bracing for columns and roof trusses; reinforcement for concrete structures.

Manufacturing: Frames for industrial equipment, storage racks, and conveyor systems; bases for heavy machinery; components for agricultural and automotive equipment.

Infrastructure: Highway guardrails, utility poles, and transmission tower supports (especially S275JR and A36 for high-load requirements).

With four trusted grades and a precision-engineered equal side design, our angle steel provides a flexible, high-performance solution for projects of all scales-combining material reliability, structural efficiency, and broad application compatibility.

Angel steel
1. Grade: S235JR-S335JR Series
2. Standard: GB/T ISO9001: 2000
3. Length: 6m-12m
4. Size: 25*25--250*250mm
5. Packing: In bundle or we can make spacking as your required
6. Payment term: T/T, L/C