Page 74 - Technical Guidbook - Zika industrial Welding Supplies

Z-309 B Specifications: Specifications: Z-309 S
AWS: A5.4 E 309L-15 AWS: A5.4 E 309 L-16
EN ISO: 1600 E 23 12 L B 4 2 EN ISO: 1600 E 23 12 L R 1 2
Description and Applications: Description and Applications:
• Basic coated stainless electrode for welding root runs in • Rutile coated low carbon electrode for joining of
acid resisting parts of clad steel dissimilar steels )austenitic steels to mild and low
• Used when overlaying on mild steel or low alloy steels alloy steels(
• Joining dissimilar steels (austenitic steels to mild and • Suitable for welding similar metal joints (23% Cr-12% Ni)
low alloy steels( and austenitic - martenistic steels of 13% Cr - 6% Ni type
• Suitable for welding similar metal joints and austenitic- • Used for buffer layers in hardfacing applications
martensitic steels of the 13% Cr-6% Ni type • Focused and stable arc
• Used for buffer layers in hardfacing applicaions • Easy slag release
Typical all weld metal composition [wt%] Typical all weld metal composition [wt%]
C Mn Si Cr Ni C Mn Si Cr Ni
0.02 0.90 0.40 24.0 12.5 0.025 0.80 0.80 22.0 12.0
Typical all weld metal mechanical properties Typical all weld metal mechanical properties
Rm [MPa] Rp 0.2 [MPa] A5 [%] Impact [ISO-V] Rm [MPa] Rp 0.2 [MPa] A5 [%] Impact [ISO-V]
560 470 35 70J@20°C 560 420 40 60J@-20°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 Materials to be welded Current
)= +( ~ Uo : 50v
Corrosion DIN 17 440 X2 CrNiN 18 10 1.4311 Corrosion DIN 17 440 X2 CrNiN 18 10 1.4311
resisting
resisting /17 445 X2 CrNi 19 11 1.4306 Clad steel /17 445 X2 CrNi 19 11 1.4306 Re-drying
X5 CrNi 18 10 1.4301 2h/300ºC
Clad steel X5 CrNi 18 10 1.4301
Current
)= +(
Re-drying
2h/300ºC Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg( 5/64 2.0 12 300 30-60 1.2 1.5 9.0
3/32 2.5 12 300 50-80 1.9 1.5 9.0 3/32 2.5 12 300 40-70 1.8 1.5 9.0
1/8 3.25 14 350 80-110 3.4 2.0 12.0 1/8 3.25 14 350 70-110 3.4 2.0 12.0
5/32 4.0 14 350 110-150 5.4 2.0 12.0 5/32 4.0 14 350 110-140 5.1 2.0 12.0
3/16 5.0 14 350 160-220 7.8 2.0 12.0 3/16 5.0 14 350 140-180 7.3 2.0 12.0
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