EN ISO 6947 and ASME use the same welding positions, but with different labels. A conversion table is provided below. (Note, downloadable versions are below the table for printing.)
Plate |
Pipe
0 ° or 90 ° inclined |
Pipe
45 ° inclined |
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EN ISO | Butt | Fillet | EN ISO | Butt | Fillet | Butt/Fillet |
PA
"flat" |
1G |
1F |
PA |
1G rotated |
1FR rotated |
|
PB
"horizontal vertical" |
2F |
PB |
2F 2FR rotated |
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PC
"horizontal" |
2G |
PC |
2G |
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PD
"horizontal overhead" |
4F |
PD |
4F |
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PE
"overhead" |
4G |
PE |
4G rotated |
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PF
"vertical up" |
3G uphill |
3F uphill |
PH |
5G uphill |
5F uphill |
6G uphill HL-045 |
PG
"vertical down" |
3G downhill |
3F downhill |
PJ |
5G downhill |
5F downhill |
6G downhill JL-045 |
PK | Orbital welding | |||||
Note: There is also a 6GR position, which is the 6G position with a restriction simulating ring around the pipe. |
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