Shanghai Yichen industrial co. LTD
| Payment Terms | T/T, Western Union |
| Supply Ability | 100000 pcs per month |
| Delivery Time | 5 working days after received your payment |
| Packaging Details | Packed in carton |
| Materials | Steel /A2-50 AlMg3/Brass CuZn37 |
| Φ | M4-M8 |
| length | upon request |
| Brand Name | BTH BOLTE |
| Model Number | Colour groove stud |
| Certification | CE |
| Place of Origin | Germany |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 100000 pcs per month |
| Delivery Time | 5 working days after received your payment | Packaging Details | Packed in carton |
| Materials | Steel /A2-50 AlMg3/Brass CuZn37 | Φ | M4-M8 |
| length | upon request | Brand Name | BTH BOLTE |
| Model Number | Colour groove stud | Certification | CE |
| Place of Origin | Germany | ||
| High Light | stainless weld studs ，aluminium weld studs | ||
BTH BOLTE Welding Studs for Capacitor Discharge Stud Welding
Colour Groove Stud
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Wechart: 630531309
Colour groove stud
Capacitor discharge stud welding has been successfully used for many years all over the world. It allows weld studs with a maximum diameter of M12 to be welded. The welding process is executed by discharging the capacitor battery within a fraction of a second from 1 – 3 ms (0.001 – 0.003 sec.) using the welding element’s ignition tip.
This procedure has proven invaluable especially in vehicle construction, sheet metal forming and decorative metal design.
Colour groove stud
| Dimensions Material (item number) | Material (item number) | |||||||||
| d1 | l1 | d2 | d4 | l3 | h1 | l2 | Steel 4.8 | A2-50 | AlMg3 | CuZn37 |
| ±0,08 | ±0,05 | copper-plated | ||||||||
| M4 | upon request | 5.5 | 0.65 | 0.55 | 7-1,4 | ≈ l1-0,3 | 11-LN-04-XXX | 12-LN-04-XXX | 14-LN-04-XXX | 13-LN-04-XXX |
| M5 | upon request | 6.5 | 0.75 | 0.8 | 7-1,4 | ≈ l1-0,3 | 11-LN-05-XXX | 12-LN-05-XXX | 14-LN-05-XXX | 13-LN-05-XXX |
| M6 | upon request | 7.5 | 0.75 | 0.8 | 7-1,4 | ≈ l1-0,3 | 11-LN-06-XXX | 12-LN-06-XXX | 14-LN-06-XXX | 13-LN-06-XXX |
| M8 | upon request | 9 | 0.75 | 0.85 | 8-1,4 | ≈ l1-0,3 | 11-LN-08-XXX | 12-LN-08-XXX | 14-LN-08-XXX | 13-LN-08-XXX |
Materials
Our welding studs are standardly made from the following materials:
| Materials | Production standards | Yields trength/point | Tensile strength | Elongation |
| Steel Strength class 4.8 | According to DIN EN ISO 898-1 | (Re)≥340N/mm2 | (Rm)≥420N/mm2 | (A5)≥14% |
| Stainless steel A2-50 | According to DIN EN ISO 3506-1 | (Rp0,2)≥210N/mm2 | (Rm)≥500N/mm2 | (AL)≥0,6d |
| Stainless steel1.4571 | According to DIN EN ISO 3506-1 | (Rp0,2)≥210N/mm2 | (Rm)≥500N/mm2 | (AL)≥0,6d |
| Aluminium AlMg3 | (Rm)≥100N/mm2 | |||
| Brass CuZn37 | (Rm)≥370N/mm2 |
The materia lspecifications conform with DIN EN ISO 13918 and DIN EN ISO 14555.Forwelding studs from other materials please send us you rinquiry or contact us. On demand, the material properties can be verified by an inspection document (test report,inspection certificate) according to DIN EN 10204.We are pleased to inform you about weldability to different base materials and welding parameters.
Dimensions
Welding studs dimensions are given in the measurement tables (all dimensions in mm).All standardised welding studs conform to DIN EN ISO 13918. Not standardised welding studs are supplied according to DIN EN ISO 13918. Special welding elements, which are not described, are delivered upon request. Dimensions that are not listed in the measurement tables are
delivered upon request.
Surface protection
Standardly our welding studs made fro msteel 4.8 are supplied with an electrolytic copper plating of 4-8 µm (according to DIN EN ISO 4042) as corrosion protection.Other surface treatments are possible upon request.
Threads
The threads of the studs are cold rolled (tolerance limit 6g). For surface-treated studs the tolerance limit 6h can be reached. We deliver studs with special threads upon request.
Stud flange
Welding studs for capacitor discharge stud welding have a cold formed flange. The diameter oft he flange is always bigger than the external diameter of the welding element (see following drawings and measurement tables). The flange prevents the electric arc to flash over to the cylindrical part of the welding elemsent and increases the welding area. By this, a high strength of the stud welded joint is guaranteed.Upon request, it is possible to deliver welding studs with flange dimensions other than the ones listed and welding studs without flange. However, we can only recommend the limited use of welding studs without flange–depending on the welded joint requirements. Please contact us for this.
Welding pip
Welding studs for capacitor discharge stud welding have a cold formed calibrated welding pip with length and diameter tolerances closely controlled. At the welding pip the welding process is initiated and it determines the length of the welding time.Therefore exact dimensions of the welding pip are decisive for proper welding results.
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Shanghai Yichen Industrial advanced German-made stud welding machines to provide guidance and technical services to many Chinese companies. In the automotive industry, electrical cabinet industry, elevator industry, bridge construction industry, large signage industry, glass cladding b... Shanghai Yichen Industrial advanced German-made stud welding machines to provide guidance and technical services to many Chinese companies. In the automotive industry, electrical cabinet industry, elevator industry, bridge construction industry, large signage industry, glass cladding b...
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