OK 55.00

ESAB

OK 55.00

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OK 55.00 is a reliable, high-quality, LMA electrode, particularly suitable for welding high strength low-alloy steels. The good, low-temperature impact strength of the weld metal should be noted. The weld metal is also very resistant to hot cracking. The electrode is also suitable for welding high strength ships steel, grades A, D and E.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
105 J(78 ft-lb) -45 degC(-49 degF)
100 J(74 ft-lb) -50 degC(-58 degF)

Typical Tensile Properties

Condition As Welded As Welded
Shielding Gas ISO AWS
Tensile Strength 590 MPa(86 ksi)
Yield Strength 500 MPa(73 ksi) 400 MPa
Elongation 28 %

Deposition Data

Current Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
80-110 A 64 sec 2.5 x 350.0 mm(0.098 x 13.8 in.) 64 % 66 23 V
110-140 A 72 sec 3.2 x 350.0 mm(1/8 x 13.8 in.) 62 % 41 23 V
110-140 A 88 sec 3.2 x 450.0 mm(1/8 x 17.7 in.) 69 % 30 24 V
140-200 A 72.5 sec 4.0 x 350.0 mm(5/32 x 13.8 in.) 62 % 28 23.2 V
140-200 A 94 sec 4.0 x 450.0 mm(5/32 x 17.7 in.) 71 % 19 24 V
200-270 A 94 sec 5.0 x 450.0 mm(0.197 x 17.7 in.) 72 % 13 24 V
215-360 A 98 sec 6.0 x 450.0 mm(0.236 x 17.7 in.) 72 % 9 25 V

Classifications

Classifications SFA/AWS A5.1 : E7018-1H4 R
EN ISO 2560-A : E 46 5 B 32 H5
CSA W48 : E4918-1-H4

Approvals

Approvals ABS 3Y H5
BV 3Y H5
CE EN 13479
CWB E4918-1-H4
DB 10.039.03
DNV 3Y H5
GL 3Y H5
LR 3Y H5
NAKS/HAKC 5.0mm
RS 3Y H5
VdTÜV 00632
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Carbon Manganese
Coating Type Basic covering
Diffusible Hydrogen < 4.0 ml/100g
Welding Current AC, DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Si
0.06 % 1.5 % 0.5 %
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How to purchase OK 55.00

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 55.00
OK 55.00 2.50x350mm 1/2 VP 55002535G0
OK 55.00 2.5x350mm 5500253500
OK 55.00 2.5x350mm 5500253501
OK 55.00 3.25x350mm 3/4 VP 55003235V0
OK 55.00 3.25x450mm 1/2 VP 55003245G0
OK 55.00 3.25x450mm 3/4 VP 55003245V0
OK 55.00 3.2x350mm 5500323500
OK 55.00 3.2x350mm 1/2 VP 55003235G0
OK 55.00 3.2x450mm 5500324500
OK 55.00 4.0x350mm 5500403500
OK 55.00 4.0x450mm 5500404500
OK 55.00 4.0x450mm 1/2 VP 55004045G0
OK 55.00 4.0x450mm 3/4 VP 55004045V0
OK 55.00 5.0x450mm 5500504500
OK 55.00 5.0x450mm 1/2 VP 55005045G0
OK 55.00 5.0x450mm 3/4 VP 55005045V0
OK 55.00 6.0x450 mm 3/4 VP 55006045V0
OK 55.00 6.0x450mm 5500604500
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