Weld Stud Specification
- Weld Stud
- Standard: GB10433, ISO13918
- Raw Material: LY195/ML15
- Strength level: class 10.9, class 12.9
- Surface Treatment: original color
The weld stud is a kind of fastener with high strength and rigidity. It is the abbreviation of the cylindrical head welding stud for arc stud welding ( Cheese head studs for arc stud welding). Dimension diameter Φ10-Φ25mm, the total length before welding is 40 to 300 mm. Weld studs have the manufacturer's identification mark embossed on the top of the head.
Weld Stud Dimension
| Dimension | 10 | 13 | 16 | 19 | 22 | 25 | |
|---|---|---|---|---|---|---|---|
| d | min | 9.64 | 12.57 | 15.57 | 18.48 | 21.48 | 24.48 |
| max | 10 | 13 | 16 | 19 | 22 | 25 | |
| dk | max | 18.35 | 22.42 | 29.42 | 32.5 | 35.5 | 140.5 |
| min | 17.65 | 21.58 | 28.58 | 31.5 | 34.5 | 39.5 | |
| d1 | 13 | 17 | 21 | 23 | 29 | 31 | |
| h | 2.5 | 3 | 4.5 | 6 | 6 | 7 | |
| K | max | 7.45 | 8.45 | 8.45 | 10.45 | 10.45 | 12.55 |
| min | 6.55 | 7.55 | 7.55 | 9.55 | 9.55 | 11.45 | |
| r | min | 2 | 2 | 2 | 2 | 3 | 3 |
| WA | 4 | 5 | 5 | 6 | 6 | 6 | |
Welded Stud Dimension and Test Piece Dimension
When weld stud length can not meet the requirement of tensile test, weld stud dimension of the same size, made of same raw material and technology shall be choose for the test, weld stud made of same raw material and made of cold drawn technology is also available.
| Weld Stud Dimension | 10 | 13 | 16 | 19 | 22 | 25 |
|---|---|---|---|---|---|---|
| Test Piece Dimension | 8 | 10 | 12 | 15 | 17 | 20 |
Weld Stud Mechanical Property
| Material | Standard | Mechanical property |
|---|---|---|
| ML15、ML15A1 | GB/T10433 | σb>400N/mm2 σs or σp0.2 >320N/mm2 σ5>14% |
| SWRCH18A | ISO13918 | σb>450N/mm2 σs or σp0.2 > 350N/mm2 σ5>15% |
Tensile Test - Weld Stud
According to customer requirment, when agreed by buyer and supplier, weld performance test shall be made according to requirement of GB/T10433-2002 A. Weld stud shall not be broken when tensile load force reaches the limit below.
| d/mm | 10 | 13 | 16 | 19 | 22 | 25 |
|---|---|---|---|---|---|---|
| Tensile load/N | 32970 | 55860 | 84420 | 119280 | 159600 | 206220 |
Weld Stud Application
Shipbuilding, metallurgy, stud welding of penetration floor slabs, welding of insulation studs, stud welding of steel structures, bridges, boilers, buildings, etc.
