Page 63 - Technical Guidbook - Zika industrial Welding Supplies

Z-91 Specifications:
AWS: A5.5 E 9015-B9
EN ISO: 3580-A E CrMo91 B 3 2 H5
Description and Applications:
Low hydrogen electrode suitable for welding
9%Cr-1%Mo steels, also known as GRADE 91 designed
to provide excellent endurance in creep, fatigue, oxidation
and corrosion resistance on high temperatures.

Typical all weld metal composition [wt%]
C Mn Si Cr Ni Mo V Nb
0.1 0.90 0.25 9.0 0.50 1.0 0.2 0.08
Typical all weld metal mechanical properties
Rm [MPa] Rp 0.2 [MPa] A5 [%] Impact [ISO-V] Heat Treatment
700 570 18 121J@20°C S
Welding position

ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE
Materials to be welded

1.4903 X10 CrMoVNb9-1
ASTM A199 Gr. T91, A335 Gr. P91,
A213/213M Gr. T91
Current
)= +( ~ Uo : 70v
Re-drying
2h/350ºC

Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
3/32 2.5 14 350 75-100 4.5 13.5 13.5
1/8 3.25 14 350 110-140 6.0 18.0 15.0
5/32 4.0 14 350 140-190 6.0 18.0 15.0
64