Page 40 - Technical Guidbook - Zika industrial Welding Supplies
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Z-23 Specifications: Specifications: Z-55
AWS: A5.5 E 7018 – A1 AWS: A5.1 E 7018 –1
EN ISO: 3580-A E Mo B 3 2 H5 EN ISO: 2560-A E 46 4 B 3 2 H5
Description and Applications: Description and Applications:
• Basic coated electrode • Low hydrogen basic electrode designed for welding
• For welding creep resistant Mo containing low alloy in all positions
steels • Excellent strength and high toughness down to -46°C.
• Withstands service temperatures up to 525°C suitable for welding medium and high strength steels
• Suitable for welding of steam pipes, boilers and vessels. • It can be used in as welded conditions or after heat
treatment.
Typical all weld metal composition [wt%]
Typical all weld metal composition [wt%]
C Mn Si Mo
0.05 0.70 0.40 0.50 C Mn Si
0.06 1.45 0.45
Typical all weld metal mechanical properties
Typical all weld metal mechanical properties
Rm [MPa] Rp 0.2 [MPa] A5 [%] Impact [ISO-V] Heat Treatment
Rm [MPa] Rp 0.2 [MPa] A5 [%] Impact [ISO-V] Heat Treatment
540 410 28 140J@20°C S
140J@-30°C
Welding position 600 520 25 100J@-46°C
155J@-30°C PWHT
580 500 27
115J@-46°C 620°C@8hr
Welding position
ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE
Materials to be welded Current ASME: 1G 2F 2G 3G 4G
Boiler and pressure DIN 17 155 17Mn4, 19Mn5, 15Mo3 )= +( ~ Uo : 70v ISO 6947 PA PB PC PF PE
vessel steels
Pipe steels Re-drying Materials to be welded
for elevated St 45.8, 15Mo3 2h/300ºC API SPEC 5 L X65, X70
temperatures
Current
Cast steels DIN 17 245 GS C25, GS 22 Mo4
)= +( ~ Uo : 70v
Elevated temperature DIN 17 175 15Mo3, 16Mo5
steels Re-drying
Fine grained steels DIN 17 102 StE 285 to StE 420
2.5h/400ºC
Dia Length Current Weight Weight Dia Length Current Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg( in mm in mm )amps( packet )kg( carton )kg(
3/32 2.5 14 350 60-90 2.3 4.5 13.5 3/32 2.5 14 350 85-100 4.5 13.5
1/8 3.25 14 350 90-130 3.5 5.0 15.0 1/8 3.25 14/18 350/450 110-140 4.5/6.0 13.5/18
5/32 4.0 14/18 350/450 130-190 5.0 5.0 15.0 5/32 4.0 18 450 140-190 6.0 18.0
3/16 5.0 14 450 180-220 9.3 6.0 18.0 3/16 5.0 17.7 450 190-260 6.0 18.0
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