OK 67.70

ESAB

OK 67.70

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Acid rutile MMA-electrode giving an over alloyed weld metal. Suitable for welding acid resistant stainless steels to mild and low alloyed steels. Also suitable for welding buffer layers when surfacing mild steel with acid resistant stainless steel weld metal.

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Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo N Ni Si Si+Fe
0.02 % 22.5 % 0.6 % 2.8 % 0.09 % 13.4 % 0.8 % 18 %

Approvals

Grade EN 13479
Society CE
Grade UNA 272580
Society Seproz
Grade SS to C&C/Mn steels
Society ABS
Grade 309Mo
Society BV
Grade CSA W48: E309LMo-17
Society CWB
Grade 30.039.05
Society DB
Grade SS/CMn
Society LR
Grade 309Mo
Society RINA
Grade 02424
Society VdTÜV
Grade VL 309 Mo
Society DNV-GL
Approvals are based on factory location. Please contact ESAB for more information.

Typical Charpy V-Notch Properties

Classifications

Grade E 23 12 2 L R 3 2
Name EN ISO 3581-A
Grade E309LMo-17
Name SFA/AWS A5.4
Grade E309LMo-17
Name CSA W48
Grade 1.4459
Name Werkstoffnummer

Consumable Characteristics

Welding Current DC+, AC
Ferrite Content FN 12-22
Coating Type Acid Rutile
Alloy Type Austenitic CrNi

Typical Tensile Properties

ElongationTensile Strength (imp)Yield Strength (imp)
32 %610 MPa (88.5 ksi)510 MPa (74 ksi)

Deposition Data

Current Deposition Rate Diameter Number of electrodes/kg weld metal Voltage kg weld metal/kg electrodes
40-60 A 48 hr 0.6 kg/h(1.3 lb/h) 2.0 x 300 mm(5/64 x 12 in.) 147 26 V 0.58 kg(1.3 lb)
50-90 A 45 hr 0.9 kg/h(2.0 lb/h) 2.5 x 300 mm(3/32 x 12 in.) 94 29 V 0.57 kg(1.3 lb)
60-120 A 61 hr 1.4 kg/h(3.1 lb/h) 3.2 x 350 mm(1/8 x 14 in.) 47 27 V 0.59 kg(1.3 lb)
85-180 A 56 hr 2.0 kg/h(4.4 lb/h) 4.0 x 350 mm(5/32 x 14 in.) 32 31 V 0.61 kg(1.3 lb)
110-250 A 64 hr 2.7 kg/h(6.0 lb/h) 5.0 x 350 mm(3/16 x 14 in.) 20 30 V 0.59 kg(1.3 lb)
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Part Numbers and Accessories

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Check box to add

Part Numbers : OK 67.70
OK 67.70 2.0x300mm 6770202030 FIND A DISTRIBUTOR
OK 67.70 2.0x300mm 1/4 VP 67702020L0 FIND A DISTRIBUTOR
OK 67.70 2.5x300mm 6770252030 FIND A DISTRIBUTOR
OK 67.70 2.5x300mm 1/4 VP 67702520L0 FIND A DISTRIBUTOR
OK 67.70 3.2x350mm 6770323020 FIND A DISTRIBUTOR
OK 67.70 3.2x350mm 1/2 VP 67703230T0 FIND A DISTRIBUTOR
OK 67.70 4.0x350mm 6770403020 FIND A DISTRIBUTOR
OK 67.70 4.0x350mm 1/2 VP 67704030G0 FIND A DISTRIBUTOR
OK 67.70 5.0x350mm 1/2 VP 67705030G0 FIND A DISTRIBUTOR
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