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| Categories | Fully Threaded Studs |
|---|---|
| Brand Name: | QBH |
| Model Number: | DIN525 |
| Certification: | ISO9001 |
| Place of Origin: | CHINA |
| MOQ: | 900kg |
| Price: | Negotiation |
| Payment Terms: | L/C, T/T,OA |
| Supply Ability: | 600TON/MONTH |
| Delivery Time: | 30days |
| Packaging Details: | 900KG/PALLET |
| Material: | Carbon steel |
| Size: | 1/4"-4" |
| Surface treatment: | Plain,Zinc,Black,H.D.G |
| Grade: | B7 |
| Sample: | Free Sample |
| Packaging: | 25kg Carton+900kg/Pallet |
| Company Info. |
| Jiaxing City Qunbang Hardware Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
DIN 525 Weld Studs
DIN 525 defines a series of non-threaded studs for drawn arc stud welding, creating a permanent, monolithic connection with the base material. The process forms a forged, full-penetration fusion zone, resulting in a threaded anchor point whose ultimate tensile load is determined by the weld interface rather than mechanical engagement. This makes it the specified solution for primary structural connections in steel construction, offshore platforms, and heavy equipment where fatigue resistance and predictable failure modes are engineering requirements.
| Style | Weld Studs Screws |
| Standard | DIN, ANSI, JIS, GB, BS, ISO, etc. |
| Supplier | QBH |
| Size | M6-M48 |
| Coating | black, zinc, HDG, Heat treatment, plain, etc. |
| Material | Carbon steel & Stainless Steel |
| Packing | bulk/ boxes in cartons, bulk in poly bags/ buckets, etc. |
| Pallet | solid wood pallet, plywood pallet, ton box/bag, etc. |
| Shipment Port | Shanghai & Ningbo |
Material Specification & Condition
Supplied in the quenched and tempered (Q&T) condition from
weldable steels including S235JR, S355JR, or stainless steel
1.4301. The heat treatment ensures a consistent tensile strength
range (400-600 MPa minimum) and hardness profile that matches
common structural steel plates, preventing heat-affected zone (HAZ)
brittleness.
Joint Metallurgy & Mechanical Performance
The drawn arc process produces a metallurgical bond with a forged
grain structure at the weld interface. The joint's static strength
typically exceeds the stud's nominal tensile strength, with fatigue
performance governed by the geometry of the weld fillet and the
resulting stress concentration factor.
Welding Procedure & Quality Validation
Application requires a calibrated stud welding system controlling
lift, arc time, and plunge. Base metal carbon equivalent (CEV) must
be assessed for weldability. Quality is validated per EN ISO
14555:2017, typically requiring a 15° bend test for procedure
qualification and statistical torque testing for production
control.







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