Shear Studs & Weld Studs
Premium shear connector studs for steel-concrete composite construction
ISO 13918 | AWS D1.1 | EN 14555
Product Range
Our shear studs and welding studs are designed for high-strength permanent fastening in composite construction, bridges, and industrial steel structures.
🔩 Shear Connector Studs
Standard headed shear studs for composite steel-concrete beams. Designed to resist shear loadings between concrete slab and steel beam.
⚡ Arc Welding Studs (DD Type)
Threaded studs with aluminum ball for arc lift ignition. Complete shank design for drawn-arc welding applications.
🔧 CD Welding Studs
Capacitor discharge welding studs for thinner base materials. Available in stainless steel and mild steel.
🏗️ Stainless Steel Weld Studs
Corrosion-resistant weld studs for outdoor and marine environments. Grade A2-70 / A4-80 stainless steel.
Technical Specifications
📏 Standard Sizes (Shear Studs)
| Diameter (mm) | Diameter (inch) | Length Range (mm) | Material Grade | Standard |
|---|---|---|---|---|
| M13 | 1/2″ | 80-150 | SWRCH15A / Q235 | ISO 13918 |
| M16 | 5/8″ | 100-200 | SWRCH18A / Q345 | AWS D1.1 |
| M19 | 3/4″ | 120-250 | ASTM A108 | GB/T 10433 |
| M22 | 7/8″ | 150-300 | 1045 Carbon Steel | BS 5400 |
| M25 | 1″ | 200-300 | Grade 8.8 | JIS B1198 |
🔬 Mechanical Properties
| Standard | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| ISO 13918 / EN 14555 | ≥ 450 | ≥ 350 | ≥ 15 |
| AWS D1.1 (ASTM A108) | ≥ 450 | ≥ 350 | ≥ 15-20 |
| GB/T 10433 | ≥ 420 | ≥ 340 | ≥ 14 |
| BS 5400 | ≥ 495 | ≥ 385 | ≥ 15 |
| JIS B1198 | ≥ 400 | ≥ 235 | ≥ 20 |
✅ Industry Standards & Certifications
🧪 Surface Finishes
Applications
Shear studs and weld studs are essential components in high-strength structural applications worldwide.
📌 Key Application Features
- Shear Connector Function: Ties concrete slab to steel beam, resisting shear loadings in composite construction.
- Through-Deck Welding: Enables welding through metal decking without pre-drilling holes.
- One-Sided Installation: Welded from one side – ideal when backside access is limited.
- High Load & Vibration Resistance: Remains stable under stress after welding.
- Corrosion Protection: Suitable for C5 environments (offshore, heavy industrial pollution).
Welding Methods
🔥 Drawn Arc Stud Welding
For larger diameter studs (M10-M25). Uses ceramic ferrule to contain the weld pool. Ideal for structural shear studs in composite construction.
⚡ Capacitor Discharge (CD) Welding
For smaller diameter studs (M3-M10). Fast welding process with minimal heat input, suitable for thin gauge materials.
🔧 Short Cycle Welding
Combines benefits of drawn arc and CD welding. Medium-diameter applications with reduced heat-affected zone.
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