Galvanized steel angles — also called galvanized angle iron, L-profiles or L-sections — are among the most versatile and widely used hot-dip galvanized profiles in construction, infrastructure and industrial fabrication. These equal-leg angle sections are hot-rolled from S235JR structural steel per EN 10025-2 and subsequently hot-dip galvanized per DIN EN ISO 1461, providing decades of maintenance-free corrosion protection in outdoor and exposed environments. ULAMEX stocks galvanized steel angles in dimensions from 25×25×3 mm to 100×100×10 mm in standard lengths of 6,000 mm, available for immediate dispatch from our European warehouse. As a specialist galvanized profiles supplier with over 35 years of industry experience, we deliver complete documentation, competitive wholesale pricing and reliable logistics across Europe.
Material Grade and Mechanical Properties
All galvanized angles in our programme are hot-rolled from non-alloy structural steel S235JR (material number 1.0038, formerly St37-2) per DIN EN 10025-2. The mechanical properties of S235JR angle steel are:
- Minimum yield strength (ReH): 235 MPa for thicknesses up to 16 mm; 225 MPa for thicknesses 16–40 mm
- Tensile strength (Rm): 360–510 MPa
- Minimum elongation (A): 26% (for longitudinal test pieces)
- Impact toughness: 27 J at +20°C (JR designation)
- Carbon content: max. 0.17% (for thicknesses up to 16 mm)
- Carbon equivalent (CEV): max. 0.35% — ensuring excellent weldability without preheating
S235JR is the standard structural steel grade for general construction and fabrication across Europe. Its combination of reliable mechanical properties, excellent weldability and universal availability makes it the default choice for angle steel applications. For projects requiring higher strength, galvanized angles in S355J2 (minimum yield strength 355 MPa, impact toughness 27 J at -20°C) are available on request — contact our sales team for availability and lead times.
Hot-Dip Galvanizing Process and Coating Properties
Our galvanized steel angle sections undergo batch hot-dip galvanizing (also called piece galvanizing or after-fabrication galvanizing) per DIN EN ISO 1461. The process sequence involves:
- Surface preparation — the hot-rolled angle sections are first degreased, then pickled in hydrochloric acid to remove mill scale and rust, and finally fluxed in a zinc ammonium chloride solution to activate the steel surface for zinc bonding.
- Immersion in molten zinc — the prepared angles are immersed in a bath of molten zinc at approximately 450°C. During immersion, the zinc reacts with the steel surface to form a series of iron-zinc intermetallic alloy layers (gamma FeZn₃, delta FeZn₇, zeta FeZn₁₃) with a pure zinc (eta) outer layer.
- Withdrawal and drainage — the galvanized angles are withdrawn from the zinc bath and excess zinc drains away, leaving a smooth, continuous coating that conforms to the profile geometry.
- Cooling and inspection — after cooling, the zinc coating thickness is verified using magnetic thickness gauges per EN ISO 2808 to ensure compliance with the minimum requirements of ISO 1461.
The resulting zinc coating on galvanized angle iron provides the following protection characteristics:
- Zinc coating thickness: 55–85 µm depending on the steel thickness of the angle legs. Per ISO 1461 Table 3, steel sections with material thickness of 3–5 mm require a minimum local coating thickness of 55 µm (mean 70 µm). For material thicknesses above 6 mm, the minimum local thickness is 70 µm (mean 85 µm).
- Expected service life: 30–50+ years in corrosivity categories C2–C3 per EN ISO 9223 (rural to moderate urban/industrial environments). In C4 environments (heavy industrial or moderate coastal), the expected service life is 15–25 years.
- Cathodic protection range: the zinc coating protects exposed steel at cut edges, scratches and bolt holes for a distance of approximately 2–3 mm from the zinc/steel boundary through electrochemical (sacrificial) action.
Dimensions, Sizes and Weight Table
ULAMEX stocks galvanized equal-leg angles in the following standard dimensions per EN 10056-1:
| Designation | Leg Length (mm) | Thickness (mm) | Weight (kg/m) | Cross-Section Area (cm²) |
|---|---|---|---|---|
| L 25×25×3 | 25 | 3 | 1.12 | 1.42 |
| L 30×30×3 | 30 | 3 | 1.36 | 1.74 |
| L 35×35×3 | 35 | 3 | 1.60 | 2.04 |
| L 35×35×4 | 35 | 4 | 2.09 | 2.67 |
| L 40×40×4 | 40 | 4 | 2.42 | 3.08 |
| L 40×40×5 | 40 | 5 | 2.97 | 3.79 |
| L 45×45×4 | 45 | 4 | 2.74 | 3.49 |
| L 45×45×5 | 45 | 5 | 3.38 | 4.30 |
| L 50×50×4 | 50 | 4 | 3.06 | 3.90 |
| L 50×50×5 | 50 | 5 | 3.77 | 4.80 |
| L 50×50×6 | 50 | 6 | 4.47 | 5.69 |
| L 60×60×5 | 60 | 5 | 4.57 | 5.82 |
| L 60×60×6 | 60 | 6 | 5.42 | 6.91 |
| L 60×60×8 | 60 | 8 | 7.09 | 9.03 |
| L 70×70×6 | 70 | 6 | 6.38 | 8.13 |
| L 70×70×7 | 70 | 7 | 7.38 | 9.40 |
| L 80×80×6 | 80 | 6 | 7.34 | 9.35 |
| L 80×80×8 | 80 | 8 | 9.63 | 12.30 |
| L 90×90×7 | 90 | 7 | 9.61 | 12.20 |
| L 90×90×8 | 90 | 8 | 10.90 | 13.90 |
| L 90×90×9 | 90 | 9 | 12.20 | 15.50 |
| L 100×100×8 | 100 | 8 | 12.20 | 15.50 |
| L 100×100×10 | 100 | 10 | 15.00 | 19.20 |
All dimensions are supplied in a standard length of 6,000 mm. Sawing to custom lengths is available on request. Dimensional tolerances conform to EN 10056-2. The leg lengths listed above refer to the outer measurement of each leg. The root radius (inner corner) and toe radius (outer edge) conform to the standard profile geometry per EN 10056-1. Weights are approximate and refer to the base steel weight before galvanizing — the zinc coating adds approximately 3–5% to the total weight depending on the section size.
Applications of Galvanized Steel Angles
Galvanized angle iron is specified wherever corrosion-resistant structural connections, supports, frames or reinforcements are required without the expense of stainless steel. The L-profile geometry provides bending resistance in two perpendicular planes, making it uniquely suited for corner applications and multi-directional support functions:
- Structural bracing and diagonal ties — galvanized angles serve as tension bracing, compression struts and diagonal tie members in steel-framed buildings, transmitting lateral forces (wind, seismic) to the foundation system. Sizes L50×50×5 through L80×80×8 are most commonly specified for bracing applications in portal frame buildings.
- Connection angles and cleats — L-sections are the standard connection element for joining steel beams to columns, beams to beams and secondary members to primary frames. Galvanized angles eliminate the need for site painting of connection hardware in exposed or outdoor structures.
- Equipment and machinery supports — industrial equipment frames, motor bases, conveyor supports and machine foundations utilise galvanized angles for their combination of rigidity, versatility and corrosion resistance. The L-profile provides a natural horizontal shelf and vertical support surface.
- Fence and gate reinforcement — galvanized angles stiffen gate frames, reinforce corner posts, brace long fence runs and support overhead barriers. Full corrosion compatibility with other galvanized fence components ensures system longevity.
- Handrail and guardrail construction — angle iron forms the structural basis of guardrail systems, safety barriers and handrail supports on walkways, platforms and staircases. The galvanized finish provides maintenance-free corrosion protection for these safety-critical applications.
- Solar mounting brackets and supports — galvanized steel angles serve as tilt brackets, lateral bracing and foundation anchors in ground-mounted photovoltaic installations. The 30–50 year zinc coating life matches the design life of the solar plant.
- Cable tray and conduit support — angle brackets support cable management systems, conduit runs and pipe supports in industrial, commercial and infrastructure installations.
- Agricultural structures — galvanized angles reinforce barn trusses, support livestock pen dividers, frame agricultural equipment and brace greenhouse structures, providing reliable performance in the humid, chemically active environments typical of farming operations.
- Shelf and rack construction — industrial shelving, storage racks and workshop organisation systems use galvanized angle iron as vertical uprights, horizontal shelving supports and cross-bracing members.
Processing and Fabrication of Galvanized Angle Iron
Hot-dip galvanized steel angles can be processed using standard metalworking techniques, with specific considerations for the zinc coating:
- Welding — galvanized angles can be welded using MIG/MAG (GMAW) and MMA (SMAW) processes. The zinc coating must be ground away in the weld zone before welding to prevent zinc oxide contamination of the weld pool, which can cause porosity. After welding, the zinc-free heat-affected zone must be restored with zinc-rich primer (minimum 92% zinc in dry film) or zinc spray metallizing per EN ISO 2063 to maintain corrosion protection. Adequate ventilation or local exhaust extraction is mandatory when welding galvanized steel to manage zinc oxide fumes. For detailed guidance, refer to EN 1011-6 (welding of galvanized steels).
- Bolting — standard high-strength bolted connections using grade 8.8 or 10.9 bolts per EN 15048 or EN 14399 are fully compatible with galvanized angles. Use hot-dip galvanized bolts, nuts and washers for corrosion-matched connections. Bolt hole clearance and edge distance requirements per EN 1993-1-8 apply.
- Cutting — sawing with bi-metal or carbide-tipped blades is the preferred cutting method for galvanized angles. Abrasive cutting (angle grinder) is acceptable for site work. Avoid oxy-fuel cutting, which destroys the zinc coating over a wide zone. Cut ends are protected by the cathodic action of adjacent zinc for a distance of approximately 2–3 mm.
- Drilling and punching — standard HSS or carbide drill bits can be used for drilling galvanized angles. The zinc coating provides lubrication during drilling, slightly improving tool life compared to bare steel. For punched holes, the zinc coating deforms plastically with the base steel, maintaining coverage on the hole inner surface.
- Bending — galvanized angles can be cold bent to moderate radii using press brakes or manual bending equipment. The zinc coating may crack at tight bend radii (below approximately 3× material thickness), but cathodic protection from adjacent zinc maintains corrosion protection at the cracked zone.
Standards, Certification and Quality Assurance
ULAMEX operates as an EN 1090 certified structural steel distributor with ISO 3834-2 quality management and ISO 3834 welding quality systems. All galvanized steel angles are covered by the following standards and documentation:
- EN 10056-1 — dimensions and tolerances for equal-leg and unequal-leg angles
- EN 10056-2 — tolerances on shape and dimensions
- DIN EN 10025-2 — material grade S235JR, mechanical properties and chemical composition
- DIN EN ISO 1461 — hot-dip galvanized coatings, minimum zinc thickness requirements
- EN 10204 — mill test certificates 3.1 available on request for all angle sizes
- CE marking documentation per Construction Products Regulation (CPR)
Full material traceability from origin mill, production heat and galvanizing batch is maintained for every galvanized angle in our inventory.
Frequently Asked Questions — Galvanized Angles
What is the difference between galvanized angles and stainless steel angles?
Galvanized angles are carbon steel (S235JR) with a zinc coating for corrosion protection. Stainless steel angles are made from chromium-nickel alloy steel (typically AISI 304 or 316) with inherent corrosion resistance. Galvanized angles cost approximately 30–50% less than stainless steel equivalents and are entirely sufficient for most outdoor structural applications in C2–C4 corrosivity environments. Stainless steel is specified for food processing, chemical plants, marine/offshore and high-aesthetic architectural applications where the zinc coating of galvanized steel would be insufficient or visually inappropriate.
Are unequal-leg galvanized angles available?
Yes. While our standard stock programme focuses on equal-leg angles, unequal-leg galvanized angles (e.g., 60×40, 80×60, 100×65 mm) are available on request with short lead times. Contact our sales team for availability of specific unequal-leg dimensions.
Can galvanized angles be painted or powder-coated over the zinc surface?
Yes, this is known as a duplex coating system. The galvanized surface must be lightly abraded or treated with a suitable etch primer (e.g., wash primer per MIL-DTL-15328) before applying topcoat paint or powder coating. Duplex systems provide synergistic protection — the combined service life is typically 1.5–2× the sum of the individual coating lives. ULAMEX can supply galvanized angles pre-treated for duplex coating on request.
What is the minimum order quantity?
ULAMEX supplies galvanized angles from single bundles for standard stock items. Bundle quantities depend on the angle size — smaller sections (25×25 to 40×40) are typically bundled in quantities of 20–40 pieces, larger sections (60×60 to 100×100) in 5–15 pieces per bundle. Request a quote for your specific size and quantity requirements.
ULAMEX is your trusted galvanized steel angle wholesale partner for construction, fabrication and industrial applications. Browse our complete galvanized steel product range or explore all galvanized profiles. For project quotations covering Winkeleisen verzinkt with delivery across Europe, request a quote today or call our structural steel team to discuss your requirements. With EN 1090 certification, mill test certificates 3.1 and over 38 years of B2B steel trade experience, ULAMEX delivers the quality and reliability that professional buyers demand.