W/D STUD BOLTS
■ WELDING CURRENT
| STUD SIZE | WELDING CURRENT | STUD SIZE | WELDING CURRENT | ||
|---|---|---|---|---|---|
| mm | Inch | Amp | mm | Inch | Amp |
| 5.0 | 3/16 | 275∼350 | 13.0 | 1/2 | 750∼1050 |
| 6.0 | 1/4 | 325∼400 | 16.0 | 5/8 | 1000∼1200 |
| 8.0 | 5/16 | 375∼500 | 19.0 | 3/4 | 1600∼1900 |
| 10.0 | 3/8 | 450∼525 | 22.0 | 7/8 | 1800∼2200 |
| 11.0 | 7/16 | 525∼650 | |||
■ COMBINED MATERIAL
| BASE MATERIAL | STUD MATERIAL | ||||
|---|---|---|---|---|---|
| Mild Steel | Stainless Steel | Copper | Brass | Al | |
| Mild steel | ○ | ○ | △ | ○ | × |
| Stainless steel | ○ | ○ | △ | ○ | × |
| Copper | ○ | ○ | △ | × | × |
| Brass | ○ | ○ | ○ | △ | × |
| Ductile steel | ○ | ○ | ○ | ○ | × |
| Zinc plate | △ | △ | × | × | × |
| Aluminium | × | × | × | × | ○ |
○ : EXCELLENT
△ : COMMONNESS
× : UNSUITABLENESS
■ HEADED WELDING STUD
| Description | Stud Dia ød |
Head Dia øD |
Head Hight H(min) | Length L |
Final Length |
Weight g/EA |
|---|---|---|---|---|---|---|
|
6x43 6x73 |
6 | 13±0.3 | 4.75 |
43 73 |
40 70 |
13.6 20.2 |
|
8x53 8x83 |
8 | 16±0.35 | 6 |
53 83 |
50 80 |
28.2 40.1 |
|
9x53 9x103 |
9 | 19±0.35 | 7 |
53 103 |
50 100 |
39.0 63.9 |
|
13x53 x83 x123 |
13 | 22±0.4 | 8 |
53 83 103 123 |
50 80 100 120 |
71.5 102.8 123.6 144.5 |
|
19x85 x105 x125 x135 x155 |
19 | 32±0.4 | 10 |
85 105 125 135 155 |
80 100 120 130 150 |
231.6 276.5 318.9 343.0 387.5 |
|
22x105 x125 x135 x155 x175 x205 |
22 | 35±0.4 | 10 |
105 125 135 155 175 205 |
100 120 130 150 170 200 |
360.8 420.5 450.4 510.2 569.8 659.5 |
■ PITCH DIAMETER BASE STUDS
| Stud Description | Thread Dia. D |
C | A | Weld Fillet Dimensions | Fillet Fillet Clear. | |
|---|---|---|---|---|---|---|
| E | F | |||||
| 1/4 x 1¼TO2 | 1/4-20 | 0.215 | 0.375 | 0.312 | 0.093 | 0.375 |
| 5/16 x 1¼4TO3 | 5/16-18 | 0.275 | 0.375 | 0.406 | 0.109 | 0.469 |
| 3/8 x 1TO4 | 3/8-16 | 0.330 | 0.390 | 0.468 | 0.109 | 0.531 |
| 1/2 x 1¼TO5 | 1/2-13 | 0.448 | 0.500 | 0.593 | 0.156 | 0.656 |
| 5/8 x 1¼TO6 | 5/8-11 | 0.562 | 0.625 | 0.750 | 0.187 | 0.812 |
| 3/4 x 1½2TO7 | 3/4-10 | 0.680 | 0.796 | 0.921 | 0.250 | 0.894 |
| 7/8 x 2¼TO8 | 7/8-9 | 0.798 | 0.859 | 1.046 | 0.312 | 1.125 |
■ STUD
■ SHIELD
■ MATERIAL OF WELDING STUD ASTM A108(%)
| Grade | C | Mn | P(MAX) | S(MAX) |
|---|---|---|---|---|
| 1010 | 0.08∼0.13 | 0.30∼0.60 | 0.04 | 0.05 |
| 1015 | 0.13∼0.18 | 0.30∼0.60 | 0.04 | 0.05 |
| 1020 | 0.18∼0.23 | 0.30∼0.60 | 0.04 | 0.05 |
| 1022 | 0.18∼0.23 | 0.70∼1.00 | 0.04 | 0.05 |
■ CHEMICAL COMPOSITIONJIS G4051 G3507 G4303 (%)
| C | Si | Mn | P(MAX) | S(MAX) | |
|---|---|---|---|---|---|
| S 10 C | 0.08∼0.13 | - | 0.30∼0.60 | 0.040 | 0.040 |
| S 15 C | 0.13∼0.18 | - | 0.30∼0.60 | 0.040 | 0.040 |
| S 18 C | 0.15∼0.20 | - | 0.30∼0.60 | 0.040 | 0.040 |
| S 20 C | 0.18∼0.23 | 0.15~0.35 | 0.70∼1.00 | 0.030 | 0.035 |
■ LENGTH REDUCTION OF STUD
| STUD | L-ℓ |
|---|---|
| 6∼13 | App 3 |
| 13∼22 | App 4.5 |
| 22~ | App 6 |
| STUD DIA | E | F |
|---|---|---|
| 1/4" | 7.9 | 2.4 |
| 5/16" | 10.3 | 2.8 |
| 3/8" | 11.9 | 2.8 |
| 1/2" | 15.1 | 4.0 |
| 5/8" | 19.1 | 4.8 |
| 3/4" | 23.4 | 6.3 |
| STUD DIA | E | F |
|---|---|---|
| 6 | 8.0 | 2.3 |
| 8 | 10.1 | 2.8 |
| 10 | 12.7 | 3.0 |
| 12 | 15.2 | 3.3 |
| 16 | 19.5 | 5.0 |
| 20 | 23.7 | 6.2 |
unit:mm
■ W/D STUDS WEIGHT
| SIZE(D*L) | TOTAL WEIGHT(G) | SIZE(D*L) | TOTAL WEIGHT(G) | SIZE(D*L) | TOTAL WEIGHT(G) | SIZE(D*L) | TOTAL WEIGHT(G) |
|---|---|---|---|---|---|---|---|
| ø22*80 | 284 | ø19*60 | 174 | ø16*60 | 130 | ø13*50 | 74 |
| *85 | 299 | *65 | 185 | *64 | 137 | *53 | 77 |
| *90 | 314 | *70 | 196 | *70 | 146 | *55 | 79 |
| *95 | 329 | *75 | 207 | *74 | 153 | *60 | 84 |
| *100 | 344 | *80 | 219 | *80 | 162 | *63 | 87 |
| *105 | 359 | *85 | 230 | *84 | 169 | *65 | 89 |
| *110 | 374 | *90 | 241 | *90 | 178 | *70 | 94 |
| *115 | 389 | *95 | 252 | *94 | 184 | *73 | 97 |
| *120 | 403 | *100 | 263 | *100 | 194 | *75 | 99 |
| *125 | 418 | *105 | 274 | *104 | 200 | *80 | 104 |
| *130 | 433 | *110 | 285 | *110 | 209 | *83 | 107 |
| *135 | 448 | *115 | 296 | *114 | 216 | *85 | 110 |
| *140 | 463 | *120 | 307 | *120 | 225 | *90 | 115 |
| *145 | 478 | *125 | 319 | *124 | 232 | *93 | 117 |
| *150 | 493 | *130 | 330 | *130 | 241 | *95 | 119 |
| *155 | 508 | *135 | 341 | *134 | 248 | *100 | 123 |
| *160 | 523 | *140 | 352 | *140 | 256 | *103 | 126 |
| *165 | 537 | *145 | 363 | *144 | 263 | *105 | 129 |
| *170 | 552 | *150 | 374 | *150 | 272 | *110 | 134 |
| *175 | 567 | *155 | 386 | *154 | 286 | *113 | 137 |
| *180 | 582 | *160 | 397 | *205 | 354 | *115 | 139 |
| *185 | 597 | *165 | 408 | *120 | 144 | ||
| *190 | 612 | *170 | 419 | *123 | 146 | ||
| *195 | 627 | *175 | 430 | *125 | 149 | ||
| *200 | 642 | *180 | 486 | *206 | 230 | ||
| *205 | 657 | *185 | 497 |