Chart for Tungsten Electrodes

SuperArc: Precision-machined disposable tungsten electrodes for reproducible orbital welding. Cut your costs, because each new manual sharpening operation costs time and money. Standard quality WC 20 to DIN EN ISO 6848.


Finished dimensions for all ORBITEC weld heads as a function of the tube outer diameter.

 

Ø 1,0 mm, All lengths available, Ø Tip surface 0,1 mm, Polished section 30°
Ø 1,6 mm, All lengths available, Ø Tip surface 0,2 mm, Polished section 18
Ø 2,4 mm, All lengths available, Ø Tip surface 0,4 mm, Polished section 30°


SuperArc tungsten electrode Ø 1.0 mm - 1.2.0202 + Length
SuperArc tungsten electrode Ø 1.6 mm - 1.2.0200 + Length
SuperArc tungsten electrode Ø 2.4 mm - 1.2.0201 + Length

 

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Weld head   OSK 13 S*   OSK 21 CS/CW   OSK 38 CS/CW   OSK 53 S/SW   OSK 76 S/SW   OSK 115 S/SW   OSK 170 GW  
Tube Ø                              
mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch
3,17 0,125 14 0,551 26 1,024 40 1,575                
6,00 0,236 12 0,472 25 0,984 39 1,535 48 1,889 64 2,520        
6,35 0,250 12 0,472 25 0,984 39 1,535 47 1,850 63 2,480        
8,00 0,315 11 0,433 24 0,945 38 1,496 47 1,850 63 2,480        
9,53 0,375 10 0,394 23 0,906 37 1,457 46 1,811 62 2,441 82 3,228    
10,00 0,394 10 0,394 23 0,906 37 1,457 46 1,811 62 2,441 82 3,228    
10,20 0,402 10 0,394 22 0,866 36 1,417 46 1,811 61 2,402 81 3,189    
12,00 0,472 9 0,354 22 0,866 36 1,417 45 1,771 61 2,402 81 3,189    
12,70 0,500 9 0,354 21 0,827 35 1,378 44 1,732 60 2,362 80 3,150    
13,00 0,512     21 0,827 35 1,378 44 1,732 60 2,362 80 3,150    
13,50 0,531     21 0,827 35 1,378 44 1,732 60 2,362 80 3,150    
15,88 0,625     20 0,787 34 1,339 43 1,692 59 2,323 79 3,110    
16,00 0,630     20 0,787 34 1,339 43 1,692 59 2,323 79 3,110    
17,20 0,677     19 0,748 33 1,299 42 1,653 58 2,283 78 3,071    
18,00 0,709     18 0,709 32 1,260 41 1,614 57 2,244 77 3,031    
19,00 0,748     17 0,669 31 1,220 40 1,574 56 2,205 76 2,992    
19,05 0,750     17 0,669 31 1,220 40 1,574 56 2,205 76 2,992    
20,00 0,787     17 0,669 31 1,220 39 1,535 56 2,205 76 2,992    
21,30 0,839     16 0,630 30 1,181 39 1,535 55 2,165 75 2,953    
22,00 0,866         30 1,181 39 1,535 55 2,165 75 2,953    
23,00 0,906         29 1,142 38 1,496 54 2,126 74 2,913    
25,40 1,000         28 1,102 37 1,456 53 2,087 73 2,874    
26,90 1,059         27 1,063 36 1,417 52 2,047 72 2,835    
28,00 1,102         27 1,063 36 1,417 52 2,047 72 2,835    
29,00 1,142         26 1,024 35 1,377 51 2,008 71 2,795    
30,00 1,181         26 1,024 35 1,377 51 2,008 71 2,795    
33,70 1,327         24 0,945 33 1,299 49 1,929 69 2,717    
35,00 1,378         23 0,906 32 1,259 48 1,890 68 2,677    
38,10 1,500         22 0,866 31 1,220 46 1,811 66 2,598    
40,00 1,575         21 0,827 30 1,181 46 1,811 66 2,598    
41,00 1,614             29 1,141 45 1,772 65 2,559    
42,40 1,669             28 1,102 44 1,732 64 2,520    
44,50 1,752             27 1,062 43 1,693 63 2,480    
48,30 1,902             25 0,984 41 1,614 61 2,402    
50,80 2,000             24 0,944 40 1,575 60 2,362 90 3,453
51,00 2,008             24 0,944 40 1,575 60 2,362 90 3,453
52,00 2,047             24 0,944 40 1,575 60 2,362 90 3,453
53,00 2,087             23 0,905 39 1,535 59 2,323 89 3,504
54,00 2,126                 39 1,535 59 2,323 89 3,054
60,30 2,374                 35 1,378 55 2,165 85 3,346
63,50 2,500                 34 1,339 54 2,126 84 3,307
70,00 2,756                 31 1,220 51 2,008 81 3,189
76,10 2,996                 27 1,063 47 1,850 78 3,071
76,20 3,000                 27 1,063 47 1,850 78 3,071
85,00 3,346                     43 1,693 74 2,913
88,90 3,500                     41 1,614 71 2,795
101,60 4,000                     35 1,378 65 2,559
104,00 4,094                     34 1,339 64 2,520
108,00 4,252                     32 1,260 64 2,520
114,30 4,500                     28 1,102 58 2,283
127,00 5,000                         53 2,087
129,00 5,079                         52 2,047
141,30 5,563                         46 1,811
152,40 6,000                         40 1,575
154,00 6,063                         39 1,535
168,28 6,625                         32 1,260

 

Electrode lengths for:

OSW 40 open weld head: 20 – 35mm | 0.787“ - 1.378“
OSW 80 – 275 open weld heads: 35 – 50mm | 1.378“ - 1.968“
RBK tube-to-tubesheet weld heads: 35 – 46mm | 1.378“ - 1.811“

* Only electrodes measuring 1.0 mm in diameter must be used for the OSK 13 S. Special lengths available on request.