Dual Shield II 81-K2

ESAB

Dual Shield II 81-K2

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The wire produces a smooth stable arc and low spatter levels using a 100% CO2 shielding gas. Dual Shield II 81-K2 was developed for higher tensile steels such as ASTM A302, A533 Class I and A537. Applications include ship fabrication, offshore oil rigs, and heavy equipment construction. This wire is an excellent choice for welding ASTM steels A302, A533 Class I and A537. Dual Shield II 81-K2 produces a smooth stable arc and low spatter levels using 100% CO2 shielding gas. Applications include ship building, offshore oilrigs, and heavy equipment construction.


Industries

  • Civil Construction
  • Industrial and General Fabrication
  • Mobile Equipment
  • Railcars
  • Ship/Barge Building

Welding Process

  • FCAW (Flux Core)

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded 100% co2
136 J(100 ft-lb) -18 degC(0 degF)
121 J(89 ft-lb) -29 degC(-20 degF)
81 J(60 ft-lb) -51 degC(-60 degF)

Typical Tensile Properties

ConditionElongationReduction in AreaShielding GasTensile Strength Yield Strength
As Welded27 %73 %100% CO2570 MPa (82 ksi)515 MPa (74 ksi)

Recommended Welding Parameters

Current TTW Dist. Voltage Wire Diameter Wire Feed Speed
100% CO2
135-205 A 9.5-12.7 mm(3/8-1/2 in.) 23-26 V 1.2 mm(.045 in.) 381-660 cm/min(150-260 in./min)
205-230 A 12.7-19 mm(1/2-3/4 in.) 25-27 V 1.2 mm(.045 in.) 660-965 cm/min(260-380 in./min)
230-265 A 19-25.4 mm(3/4-1 in.) 26-30 V 1.2 mm(.045 in.) 965-1321 cm/min(380-520 in./min)
125-235 A 12.7-16 mm(1/2-5/8 in.) 23-26 V 1.4 mm(.052 in.) 279-584 cm/min(110-230 in./min)
235-290 A 16-19 mm(5/8-3/4 in.) 25-29 V 1.4 mm(.052 in.) 584-864 cm/min(230-340 in./min)
290-350 A 19-25.4 mm(3/4-1 in.) 29-31 V 1.4 mm(.052 in.) 864-1194 cm/min(340-470 in./min)
165-270 A 16-19 mm(5/8-3/4 in.) 25-28 V 1.6 mm(1/16 in.) 279-508 cm/min(110-200 in./min)
270-345 A 19-25.4 mm(3/4-1 in.) 27-30 V 1.6 mm(1/16 in.) 508-762 cm/min(200-300 in./min)
345-415 A 25.4-31.75 mm(1-1.25 in.) 28-32 V 1.6 mm(1/16 in.) 762-1067 cm/min(300-420 in./min)

Deposition Data

Current Deposition Rate Diameter Deposition Efficiency (%) Voltage Wire Feed Speed
100% CO2
150 A 1.91 kg/h(4.2 lb/h) 1.2 mm(.045 in.) 86 % 28 V 508 cm/min(200 in./min)
210 A 2.86 kg/h(6.3 lb/h) 1.2 mm(.045 in.) 86 % 29 V 762 cm/min(300 in./min)
250 A 3.86 kg/h(8.5 lb/h) 1.2 mm(.045 in.) 87 % 30 V 1016 cm/min(400 in./min)
245 A 3.31 kg/h(7.3 lb/h) 1.4 mm(.052 in.) 86 % 28 V 635 cm/min(250 in./min)
310 A 4.63 kg/h(10.2 lb/h) 1.4 mm(.052 in.) 85 % 33 V 889 cm/min(350 in./min)
360 A 6.03 kg/h(13.3 lb/h) 1.4 mm(.052 in.) 85 % 36 V 1143 cm/min(450 in./min)
300 A 4.63 kg/h(10.2 lb/h) 1.6 mm(1/16 in.) 87 % 30 V 635 cm/min(250 in./min)
365 A 5.58 kg/h(12.3 lb/h) 1.6 mm(1/16 in.) 86 % 33 V 762 cm/min(300 in./min)
410 A 6.35 kg/h(14 lb/h) 1.6 mm(1/16 in.) 88 % 33 V 889 cm/min(350 in./min)
155 A 2.00 kg/h(4.4 lb/h) 1.4 mm(.052 in.) 87 % 25 V 381 cm/min(150 in./min)
190 A 2.77 kg/h(6.1 lb/h) 1.6 mm(1/16 in.) 87 % 27 V 38 cm/min(150 in./min)

Classifications

Classifications ASME SFA 5.29 :
ASME SFA 5.36 :
AWS A5.36 : E81T1-C1A6-K2-H8
AWS A5.29 : E81T1-K2C-H8

Approvals

Approvals ABS 5Y400SA H5
BV SA5Y50/SA5Y40 H5
CCS 5Y42SH5
CE EN 13479
ClassNK KSWL3G(C)H5, KSW54Y40G(C)H5 (C1)
DNV V Y40MS H5 (C1)
GL 6Y40H5S (C1)
KR L3SG(C) H5 & 5Y40SG(C) H5
LR 5Y40S H5 (C1)
RINA 5YS H10 (C1)
RS 5Y40S H5, 5Y50S H5 (C1)
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type C Mn Ni
Diffusible Hydrogen < 4 ml/100g
Welding Current DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni P S Si
100% CO2
.025 % 1.18 % 1.44 % 0.013 % 0.009 % 0.49 %
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How to purchase Dual Shield II 81-K2

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Part Numbers and Accessories

Part Numbers : Dual Shield II 81-K2
DS II 81-K2 045X33#PSP VP 245014865
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