OK 48.00

ESAB

OK 48.00

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A reliable, general purpose electrode for manual metal arc welding of carbon steels, carbon manganese steels and fine-grained carbon manganese steels with elevated yield strength. OK 48.00 deposits a tough, crack-resistant weld metal. The coating is of the low moisture absorption type. High welding speed in the vertical-up position. OK 48.00 is insensitive to the composition of the base material within fairly wide limits. The electrode can be used for welding structures where difficult stress conditions cannot be avoided.

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Features

  • H4 R approved
  • Low diffusible hydrogen to reduce the risk for cold cracking
  • Outstanding low moisture pick up
  • High efficiency bringing productivity
  • Extremely good weldability in vertical up position
  • Exceptional weld appearance


Industries

  • Civil Construction
  • Energy
  • Industrial and General Fabrication
  • Marine and Offshore
  • Light Fabrication

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded aws
130 J (96 ft-lb) -30 degC (-22 degF)
as welded iso
130 J (96 ft-lb) -30 degC (-22 degF)
115 J (85 ft-lb) -40 degC (-40 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded29 %ISO565 MPa (82 ksi)475 MPa (69 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
55-80 A 45 sec - - 2.0 x 300.0 mm (5/64 x 11,8 in.) 0.63 kg/h (1,4 lb/h) 65 % - 125 - 22 V
70-110 A 57 sec - - 2.5 x 350.0 mm (0.098 x 13,8 in.) 0.96 kg/h (2,1 lb/h) 67 % - 65 - 24 V
90-140 A 68 sec - - 3.2 x 350.0 mm (1/8 x 13,8 in.) 1.24 kg/h (2,7 lb/h) 70 % - 42 - 23 V
90-140 A 85 sec - - 3.2 x 450.0 mm (1/8 x 17,7 in.) 1.33 kg/h (2,9 lb/h) 73 % - 31 - 23 V
120-190 A 92 sec - - 4.0 x 450.0 mm (5/32 x 17,7 in.) 1.76 kg/h (3,9 lb/h) 71 % - 22 - 24 V
190-260 A 99 sec - - 5.0 x 450.0 mm (0.197 x 17,7 in.) 2.61 kg/h (5,8 lb/h) 75 % - 13 - 24 V
30-55 A 50 sec - - 1.6 x 300.0 mm (1/16 x 11,8 in.) 0.38 kg/h (0,8 lb/h) 59 % - 192 - 24 V
120-190 A 75 sec - - 4.0 x 350.0 mm (5/32 x 13,8 in.) 1.63 kg/h (3,6 lb/h) 70 % - 29 - 24 V
220-340 A 97 sec - - 6.0 x 450.0 mm (0.236 x 17,7 in.) 3.88 kg/h (8,6 lb/h) 80 % - 9 - 26 V
280-410 A 104 sec - - 7.0 x 450.0 mm 4.83 kg/h (10,7 lb/h) 79 % - 7.0 - 27 V

Classifications

Classifications EN ISO 2560-A : E 42 4 B 42 H5
SFA/AWS A5.1 : E7018 H4 R

Approvals

Approvals ABS 3Y H5
BV 3Y H5
CE EN 13479
DB 10.039.12
DNV-GL 3 YH5
LR 3Y H5
NAKS/HAKC *2.5 - 5.0 mm
PRS 3Y H5
RINA 3Y H5
RS 3Y H5
VdTÜV 00690
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 DC+(-)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Si
0.06 % 1.1 % 0.5 %
x

Part Numbers and Accessories

Part Numbers : OK 48.00
OK 48.00 1.6x300mm 4800162010 FIND A DISTRIBUTOR
OK 48.00 2.0x300mm 4800202010 FIND A DISTRIBUTOR
OK 48.00 2.0x300mm 1/4 VP 48002020K0 FIND A DISTRIBUTOR
OK 48.00 2.5x350mm 4800253000
OK 48.00 2.5x350mm 1/2 VP 48002530G0 FIND A DISTRIBUTOR
OK 48.00 2.5x350mm 1/2 VP 48092530GQ FIND A DISTRIBUTOR
OK 48.00 2.5x350mm 1/4 VP 48002530K0 FIND A DISTRIBUTOR
OK 48.00 2.5x350mm 3/4 VP 48002530V0 FIND A DISTRIBUTOR
OK 48.00 2.5x350mm 3/4 VP 48002532V0 FIND A DISTRIBUTOR
OK 48.00 3.2x350mm 4800323000
OK 48.00 3.2x350mm 1/2 VP 48003230G0 FIND A DISTRIBUTOR
OK 48.00 3.2x350mm 3/4 VP 48003230V0 FIND A DISTRIBUTOR
OK 48.00 3.2x450mm 4800324000 FIND A DISTRIBUTOR
OK 48.00 3.2x450mm 1/2 VP 48003240G0 FIND A DISTRIBUTOR
OK 48.00 3.2x450mm 1/2 VP 48093240GQ FIND A DISTRIBUTOR
OK 48.00 3.2x450mm 3/4 VP 48003240V0 FIND A DISTRIBUTOR
OK 48.00 4.0x350mm 4800403000 FIND A DISTRIBUTOR
OK 48.00 4.0x350mm 4800403200 FIND A DISTRIBUTOR
OK 48.00 4.0x350mm 1/2 VP 48004030G0 FIND A DISTRIBUTOR
OK 48.00 4.0x450mm 4800404000 FIND A DISTRIBUTOR
OK 48.00 4.0x450mm 3/4 VP 48004040V0 FIND A DISTRIBUTOR
OK 48.00 4.0x450mm 3/4 VP 48004042V0 FIND A DISTRIBUTOR
OK 48.00 4.0x450mm 3/4 VP 48094040VQ FIND A DISTRIBUTOR
OK 48.00 5.0x450mm 4800504000 FIND A DISTRIBUTOR
OK 48.00 5.0x450mm 3/4 VP 48005040V0 FIND A DISTRIBUTOR
OK 48.00 5.0x450mm 3/4 VP 48095040VQ FIND A DISTRIBUTOR
OK 48.00 6.0x450mm 4800604000 FIND A DISTRIBUTOR
OK 48.00 6.0x450mm 3/4 VP 48006040V0 FIND A DISTRIBUTOR
OK 48.00 7.0x450mm 4800704000 FIND A DISTRIBUTOR
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