Page 38 - Technical Guidbook - Zika industrial Welding Supplies

Z-4 S Specifications: Specifications: Z-4 AC
AWS: A5.1 E 7018 AWS: A5.1 E 7018
EN ISO: 2560-A E 42 3 B 3 2 H5 EN ISO: 2560-A E 42 3 B 3 2 H5
Description and Applications: Description and Applications:
• Low hydrogen electrode for structure welding when • Basic coated low hydrogen electrode with high ductility
post weld heat treatment is not possible. • Suitable for welding general construction steels
• Suitable for welding of gas and high pressure vessels, • Very good bead appearrance
constructions and ships. • Good impact toughness at -30°C
• Provide high mechanical properties • Preferably welded on AC
Typical all weld metal composition [wt%]
Typical all weld metal composition [wt%]
C Mn Si
C Mn Si
0.08 1.00 0.60
0.09 1.00 0.65
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
130J@-20°C
490 410 26 U
100J@-30°C 550 450 28 130J@-20°C U
100J@-30°C
Welding position
Welding position
ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE
Materials to be welded Current
General structural DIN 17 100 St 33, St 37.2 to St 52.3 )= +( ~ Uo : 70v Materials to be welded Current
steels General structural DIN 17 100 St 33, St 37.2 to St 52.3 )= +( ~ Uo : 70v
Boiler and pressure DIN 17 155 HI, HII, 17Mn4, 19Mn5 Re-drying steels
vessel steels 2h/300ºC Boiler and pressure DIN 17 155 HI, HII, 17Mn4, 19Mn5 Re-drying
StE 210.7, StE 240.7, StE vessel steels 2h/300ºC
DIN 17 172
Pipe steels 290.7, StE 320.7, StE 360.7 DIN 17 172 StE 210.7, StE 240.7, StE
DIN 1626-1630 St 37.0/4, St 44.0/4, St 52.0/4 Pipe steels 290.7, StE 320.7, StE 360.7
DIN 1626-1630 St 37.0/4, St 44.0/4, St 52.0/4
Cast steels DIN 1681 GS 38, GS 45, GS 52
Cast steels DIN 1681 GS 38, GS 45, GS 52
Elevated temperature DIN 17 175 St 35.8, St 45.8
steels Elevated temperature DIN 17 175 St 35.8, St 45.8
Fine grained steels DIN 17 102 StE 255 to StE 420 steels
Shipbuilding steels A,B,C,D,E Fine grained steels DIN 17 102 StE 225 to StE 420
Shipbuilding steels A,B,C,D,E
Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
Dia Length Current Weight Weight
3/32 2.5 14 350 75-100 2.6 4.5 13.5 in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
1/8 3.25 18 450 110-140 3.8/4.9 6.0 18.0 3/32 2.5 14 350 75-100 2.5 4.5 13.5
5/32 4.0 18 450 140-190 5.6/7.2 6.0 18.0 1/8 3.25 18 450 110-140 3.7 6.0 18.0
3/16 5.0 18 450 190-240 10.5 6.0 18.0 5/32 4.0 18 450 130-170 5.5 6.0 18.0
1/4 6.0 18 450 230-330 14.3 6.0 18.0 3/16 5.0 18 450 180-240 8.1 6.0 18.0
40 41