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 stell, grades A, D and E. Tested according to NACE TM0177 and TM0284. Diffusible Hydrogen tested in various conditions show values below 3 ml/100g.

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Typical Charpy V-Notch Properties

as welded iso

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded28 %ISO590 MPa (86 ksi)500 MPa (73 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
80-110 A 64 sec 0.9 kg/h (2.0 lb/h) 2.5 x 350.0 mm (0.098 x 13.8 in.) 64 % 66 23 V
110-140 A 72 sec 1.2 kg/h (2.6 lb/h) 3.2 x 350.0 mm (1/8 x 13.8 in.) 62 % 41 23 V
110-140 A 88 sec 1.4 kg/h (3.1 lb/h) 3.2 x 450.0 mm (1/8 x 17.7 in.) 69 % 30 24 V
140-200 A 72.5 sec 1.77 kg/h (3.9 lb/h) 4.0 x 350.0 mm (5/32 x 13.8 in.) 62 % 28 23.2 V
140-200 A 94 sec 2.0 kg/h (4.4 lb/h) 4.0 x 450.0 mm (5/32 x 17.7 in.) 71 % 19 24 V
200-270 A 94 sec 3.0 kg/h (6.6 lb/h) 5.0 x 450.0 mm (0.197 x 17.7 in.) 72 % 13 24 V
215-360 A 98 sec 4.0 kg/h (8.8 lb/h) 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-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 (< 3 for most of the batches)
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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Part Numbers and Accessories

Part Numbers : OK 55.00
55002535G0 Find a distributor
5500253500 Find a distributor
5500253501 Find a distributor
5500323500 Find a distributor
55003235G0 Find a distributor
55003235V0 Find a distributor
5500324500 Find a distributor
55003245G0 Find a distributor
55003245V0 Find a distributor
5500403500 Find a distributor
5500404500 Find a distributor
55004045G0 Find a distributor
55004045V0 Find a distributor
5500504500 Find a distributor
55005045G0 Find a distributor
55005045V0 Find a distributor
55006045V0 Find a distributor
5500604500 Find a distributor
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