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Box 6 Welding process Symbol e.g.:
Manual metal arc welding with covered electrodes
Tungsten
Metal inert and active gas welding including the use of flux cored wire
Selfshielded flux cored arc welding
Submerged arc welding
Symbol for plasma cutting
Symbol for plasma gouging
Box 7Symbol for welding power sources which are suitable for supplying power to welding operations carried out in an environment with increased hazard of electric shock (if applicable).Box 8
Welding current symbol e.g.: Direct current
Alternating current, and additionally the rated frequency in hertz e.g.: ~50 Hz
Box 9 | U0... V | Rated | ||
| a) Arithmetic mean value in case of direct current | |||
| b) RMS value in case of alternating current | |||
| c) Ur... V Reduced rated | |||
| d) Us... V Switched rated | |||
Box 10 | ... A/... V to... A/... V Range of output, rated minimum and maximum welding current and their | |||
| corresponding conventional load voltage. | |||
Box 11 | X Duty cycle (duty factor) symbol. | |||
Box 12 | I2 | Rated welding current symbol. | ||
Box 13 | U2 | Conventional load voltage symbol. | ||
Boxes | 11a, 11b, 11c | ...% Values of the duty cycle (duty factor). | ||
| 12a, 12b, 12c | ... A Values of the rated welding current. | ||
| 13a, 13b, 13c | ... V Values of the conventional load voltage. |
These boxes form a table with corresponding values of the three settings:
a)... % duty cycle (duty factor) at the rated maximum welding current;
b)60 % duty cycle (duty factor); and