Page 37 - Technical Guidbook - Zika industrial Welding Supplies

Z-2 Specifications: Specifications: Z-4
AWS: A5.1 E 7018 AWS: A5.1 E 7018
EN ISO: 2560-A E 42 3 B 3 2 H10 EN ISO: 2560-A E 42 3 B 3 2 H5
Description and Applications: Description and Applications:
• Basic coated all position welding electrode • Low hydrogen electrode for welding of structures with high
• Good toughness at low temperatures reliability requirement.
• Developed for welding of high pressure oil and gas pipes.
• Suitable for welding general structural steels
• Provide high mechanical properties, suitable for works when
post welding heat treatment is not possible.
Typical all weld metal composition [wt%]
• Good quality received at radiographic tests.
C Mn Si Typical all weld metal composition [wt%]
0.06 1.00 0.35 C Mn Si
Typical all weld metal mechanical properties 0.08 1.00 0.60
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
510 430 28 U 110J@-20°C
90J@-30°C 570 480 26 U
100J@-30°C
Welding position Welding position
ASME: 1G 2F 2G 3G 4G ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE ISO 6947 PA PB PC PF PE
Materials to be welded Current Materials to be welded Current
General structural DIN 17 100 St 33, St 37.2 to St 52.3 )= +( ~ Uo : 70v General structural DIN 17 100 St 33, St 37.2 to St 52.3 )= +( ~ Uo : 70v
steels steels
Boiler and pressure DIN 17 155 HI, HII, 17Mn4, 19Mn5 Re-drying Boiler and pressure DIN 17 155 HI, HII, 17Mn4, 19Mn5 Re-drying
vessel steels 2h/300ºC vessel steels 2h/300ºC
StE 210.7, StE 240.7, StE StE 210.7, StE 240.7, StE
DIN 17 172 DIN 17 172
Pipe steels 290.7, StE 320.7, StE 360.7 290.7, StE 320.7, StE 360.7
DIN 1626-1630 St 37.0/4, St 44.0/4, St 52.0/4 Pipe steels API 5 L X42-X60
Cast steels DIN 1681 GS 38, GS 45, GS 52 DIN 1626-1630 St 37.0/4, St 44.0/4, St 52.0/4
Elevated temperature DIN 17 175 St 35.8, St 45.8 Cast steels DIN 1681 GS 38, GS 45, GS 52
steels Elevated temperature
Fine grained steels DIN 17 102 StE 255 to StE 420 steels DIN 17 175 St 35.8, St 45.8
Shipbuilding steels A,B,C,D,E Fine grained steels DIN 17 102 StE 255 to StE 420
Shipbuilding steels A,B,C,D,E
Dia Length Current Weight Weight Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg( in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
3/32 2.5 14 350 60-90 2.3 4.5 13.5 3/32 2.5 14 350 75-100 2.6 4.5 13.5
1/8 3.25 14/18 350/450 90-140 3.6/4.6 4.5/6.0 13.5/18.0 1/8 3.25 14/18 350/450 110-140 3.8/4.9 6.0 18.0
5/32 4.0 14/18 350/450 140-190 5.3/6.8 4.5/6.0 13.5/18.0 5/32 4.0 14/18 350/450 140-190 5.6/7.2 6.0 18.0
3/16 5.0 18 450 190-240 10.10 6.0 18.0 3/16 5.0 18 450 190-240 10.5 6.0 18.0
1/4 6.0 18 450 250-320 14.20 6.0 18.0 1/4 6.0 18 450 230-330 14.3 6.0 18.0
38 39