S355J2 Angle Steel is a high-strength structural steel angle manufactured according to EN 10025-2 (1.0577). Known for its excellent toughness, weldability, and load-bearing capacity, S355J2 steel angles are widely used in construction frameworks, steel towers, offshore platforms, and heavy engineering structures.
S355J2 Angle Steel
As a professional steel supplier, we provide equal and unequal S355J2 angle steel with strict quality control, mill certification, and optional processing services to meet demanding structural applications.
Key Highlights of S355J2 Angle Steel
Standard: EN 10025-2 (Material No. 1.0577)
Impact Test: ≥ 27J at -20°C
Steel Mills: Gnee Steel
Certification: Mill Test Certificate EN 10204 3.1 available
Product Types: Equal Angle Steel / Unequal Angle Steel
Application: Structural frames, towers, bridges, machinery supports
These properties make S355J2 steel angle bars ideal for structural projects requiring both high strength and low-temperature toughness.
Technical Specifications of S355J2 Angle Steel
To ensure engineering reliability, our S355J2 angle steel is manufactured under strict dimensional and metallurgical control.
1. Dimensions and Size Range
| Feature | Range | Standard |
|---|---|---|
| Leg Width | 20 mm × 20 mm – 250 mm × 250 mm | EN 10056-1 |
| Thickness | 3 mm – 35 mm | EN 10056-2 |
| Length | 6 m / 9 m / 12 m or customized | Tolerance ±50 mm |
| Precision Cutting | Available | ±2 mm tolerance |
Both equal angle steel and unequal angle steel profiles are available to meet different structural design requirements.
2. Chemical Composition (Heat Analysis)
Strict chemical composition control ensures excellent weldability and structural reliability.
| C (max) | Si (max) | Mn (max) | P (max) | S (max) | Cu (max) | CEV (Typical) |
|---|---|---|---|---|---|---|
| 0.20% | 0.55% | 1.60% | 0.025% | 0.025% | 0.55% | ≤ 0.45% |
The controlled Carbon Equivalent Value (CEV) improves welding performance while reducing the risk of cracking during fabrication.
S355J2 Angle Steel
3. Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength ReH (t ≤ 16 mm) | ≥ 355 MPa |
| Tensile Strength Rm | 470 – 630 MPa |
| Elongation A80mm | ≥ 22% |
| Impact Energy | ≥ 27J at -20°C |
These mechanical properties ensure that S355J2 angle steel provides excellent strength and toughness under demanding structural loads.
4. S355-J2 Structural Angle Size Chart
| Size in mm | Weight Per Meter in Kg. | Size in mm | Weight Per Meter in Kg. |
| 20 x 20 x 3 | 0.9 | 75 x 75 x 10 | 11.00 |
| 25 x 25 x 3 | 1.1 | 90 x 90 x 8 | 10.8 |
| 25 x 25 x 5 | 1.8 | 90 x 90 x 10 | 13.4 |
| 30 x 30 x 3 | 1.4 | 100 x 100 x 6 | 9.2 |
| 35 x 35 x 5 | 2.6 | 100 x 100 x 8 | 12.1 |
| 40 x 40 x 3 | 1.8 | 100 x 100 x 10 | 14.9 |
| 40 x 40 x 5 | 3.0 | 100 x 100 x 12 | 17.7 |
| 40 x 40 x 6 | 3.5 | 110 x 110 x 8 | 13.4 |
| 50 x 50 x 5 | 3.8 | 110 x 110 x 10 | 16.5 |
| 50 x 50 x 6 | 4.5 | 130 x 130 x 10 | 19.7 |
| 65 x 65 x 6 | 5.8 | 130 x 130 x 12 | 23.4 |
| 65 x 65 x 8 | 7.7 | 150 x 150 x 10 | 22.8 |
| 65 x 65 x 10 | 9.4 | 150 x 150 x 12 | 27.2 |
| 75 x 75 x 6 | 6.8 | 200 x 200 x 12 | 36.6 |
| 75 x 75 x 8 | 8.9 |
Why the J2 Impact Test Matters
One of the key differences between S355J2 and S355JR is the impact testing temperature.
- S355JR: Impact tested at +20°C
- S355J2: Impact tested at -20°C
This means S355J2 steel angles maintain high toughness even in sub-zero environments.
Advantages of S355J2 Low Temperature Toughness
- Prevents brittle fracture in cold climates
- Improves safety in structural applications
- Essential for wind power towers, offshore structures, and high-altitude projects
For projects operating in harsh environments, S355J2 angle steel is often the preferred structural grade.
Welding Performance and Carbon Equivalent Control
Weldability is critical for structural steel fabrication. By carefully controlling the Carbon Equivalent Value (CEV), our S355J2 steel angles provide:
- Excellent weldability
- Reduced risk of cold cracking
- Lower preheating requirements
- Faster fabrication efficiency
This ensures smoother welding processes for large construction and infrastructure projects.
Processing Services and Quality Control
In addition to supplying S355J2 angle steel, we offer a full range of processing services to support engineering and fabrication requirements.
Precision Cutting
Equipped with heavy-duty band saw machines, we provide:
- Custom length cutting
- 45° angle cutting
- Dimensional tolerance ±1 mm – ±2 mm
Surface Treatment Options
| Treatment | Standard | Benefit |
|---|---|---|
| Hot-Dip Galvanizing | ISO 1461 | Corrosion protection up to 50 years |
| Shot Blasting | Sa2.5 | Removes scale and improves coating adhesion |
| Shop Primer Coating | Optional | Temporary corrosion protection |
Hole Punching / Drilling
CNC drilling based on CAD drawings is available for applications such as:
- Tower structures
- Bolt connections
- Steel frame assemblies
Applications of S355J2 Angle Steel
Due to its excellent strength and low-temperature toughness, S355J2 steel angle bars are widely used in:
- Steel structure buildings
- Wind power towers
- Offshore platforms
- Bridge construction
- Industrial equipment frames
- Transmission towers
These applications require materials with reliable structural integrity and high safety performance.
Why Choose Our S355J2 Angle Steel
Full Traceability
Each angle bar is marked with a heat number, ensuring full traceability to the original mill and EN 10204 3.1 certificate.
Large Inventory
We maintain over 5000 tons of S355J2 angle steel stock, including equal and unequal profiles, enabling fast delivery for urgent orders.
Third-Party Inspection Available
Independent inspections can be arranged from internationally recognized organizations such as:
- SGS
- Bureau Veritas (BV)
- Lloyd's Register
These inspections can include chemical analysis, dimensional verification, and impact testing.
If you are looking for a reliable supplier of S355J2 angle steel, we can provide competitive pricing, certified materials, and customized processing services.
Contact us today to receive:
Latest S355J2 angle steel price
Available sizes and stock list
Technical support for your project
Contact now to get S355J2 Angle Quote
Hot Tags: Hot DIP Steel S355j2 Angle Bars, China Hot DIP Steel S355j2 Angle Bars manufacturers, suppliers, factory, carbon angle steel, E360 structural angle, sheet metal angle, alloy structural steel angle, S235JR Angle Steel, structural angle steel