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DIN525 Fastener Hardware Weld Studs

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
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DIN525 Fastener Hardware Weld Studs

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.


StyleWeld Studs Screws
StandardDIN, ANSI, JIS, GB, BS, ISO, etc.
SupplierQBH
SizeM6-M48
Coatingblack, zinc, HDG, Heat treatment, plain, etc.
MaterialCarbon steel & Stainless Steel
Packingbulk/ boxes in cartons, bulk in poly bags/ buckets, etc.
Palletsolid wood pallet, plywood pallet, ton box/bag, etc.
Shipment PortShanghai & 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.

DIN 525 Fastener Hardware Weld Studs
DIN 525 Fastener Hardware Weld Studs

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