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.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
35 J (26 ft-lb) -20 degC (-4 degF)
50 J (37 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded32 %ISO610 MPa (88 ksi)510 MPa (74 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
40-60 A 48 sec 0.6 kg/h (1,3 lb/h) 2.0 x 300.0 mm (5/64 x 11,8 in.) 58 % 147 26 V
50-90 A 45 sec 0.9 kg/h (2,0 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 57 % 94 29 V
60-120 A 61 sec 1.4 kg/h (3,1 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 59 % 47 27 V
85-180 A 56 sec 2.0 kg/h (4,4 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 61 % 32 31 V
110-250 A 64 sec 2.7 kg/h (6,0 lb/h) 5.0 x 350.0 mm (0.197 x 13,8 in.) 59 % 20 30 V

Classifications

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

Approvals

Approvals ABS SS to C&C/Mn steels
BV 309Mo
CE EN 13479
CWB CSA W48: E309LMo-17
DB 30.039.05
DNV-GL VL 309 Mo
LR SS/CMn
NAKS/HAKC 3.2 mm
RINA 309Mo
Seproz UNA 272580
VdTÜV 02424
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

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

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 %
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How to purchase OK 67.70

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.


Part Numbers and Accessories

Part Numbers : OK 67.70
6770202030
67702020L0
6770252030
67702520L0
6770323020
67703230T0
6770403020
67704030G0
67705030G0
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