The group numbers are anot the same as in ASME IX.
Group 1 Carbon steel
Group 8 Ferritic and martensitic stainless
Group 9 Austenitic stainless.

E-hand means SMAW manual

To extend further,
Actual group descriptions as per EN 288 for info.
Nos in the bracket indicate P No as per ASME Section IX

Group 1 Steels with a minimum YS ReH</= 360 N/mm2 and with analysis not exceeding
C=0.24(0.25 for castings), Si=0.6, Mn=1.7, Mo=0.7, S/P=0.045, any other single element=0.3(0.4 for castings), All other elements total=0.8(1.0 for castings)
(P No 1)
Group 2 Normalized or Thermomechanically treated fine grain steels and cast steels with SMYS ReH>360 N/mm2

Group 3 Q & T and precipitation hardened steels except stainless steels

Group 4 Steels with Cr 0.75 max, Mo 0.6 max, V 0.3max

Group 5 steels with Cr 10 max, Mo 1.2 max
( P nos 3,4,5)
Group 6 Cr Mo V steels with Cr 12.2.max, Mo 1.2max, V 0.5max
 
Group 7 Ni alloyed steels with Ni max 10%(P No 9)
Group 8 Ferritic and martensitic stainless steels with 10.5%</= Cr </=30% ( P no 6 and 7)
Group 9 Austenitic stainless. ( P no 8)
Group 10 Austenitic ferritic stainless steels (duplex)( P no 10)

Where would group 2,3 and 6 fit in as per ASME Section IX?

Thanks and regards
Sayee Prasad R
Ph: 0097143968906
Mob: 00971507682668

The groups 2,3 and 4 do not have matching equivalent ASME P numbers.(closest would be 11A or 11B)
Group 6 would be P5B gr. 2

Some of the EN288 group 3 steels, such as 1/2 Mo steel would be a ASME P#3.  However, to actually have a P#, a metal actually has to meet an ASME material specification, such as ASME SA-106.  Is this true for EN288 or can any material be assigned a group number based on the chemical and mechanical limits imposed on the groups?

EN288-3 :any material be assigned a group number based on the chemical and mechanical limits imposed on the groups, in fact the last few pages, 24-33 gives various types of steels prior to issue of European Std and their current groups for information only. (The types include DNV,AFNOR-French, SIS-Swedish,BSI-British,SFS-Finnish,UNI-Italian &ON-AUSTRIAN)

Thanks and regards
Sayee Prasad R
Ph: 0097143968906
Mob: 00971507682668