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 |
||||
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 |
|||
PC
"horizontal" |
![]() 2G |
![]() |
PC |
![]() 2G |
||
PD
"horizontal overhead" |
![]() 4F |
PD |
![]() 4F |
|||
PE
"overhead" |
![]() 4G |
![]() |
PE |
![]() 4G rotated |
||
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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