Dual Shield II 90-K2

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Dual Shield II 90-K2

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Dual Shield II 90-K2 is an all-position, high performance flux cored electrode with low diffusible hydrogen levels. This wire provides a smooth stable arc, low spatter, and easy slag removal similar to other Dual Shield II products. Dual Shield II 90-K2 was developed for use on commercial grades of HY-80, ASTM A710, A514 and A517 and other similar HSLA low alloy steels.

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Industries

  • Industrial and General Fabrication
  • Mobile Equipment
  • Ship/Barge Building

Welding Process

  • FCAW (Flux Core)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni P S Si
75% Ar - 25% CO2
0.06 % 1.42 % 1.50 % 0.014 % 0.01 % 0.33 %

Typical Charpy V-Notch Properties

Testing Temperature -40 degC
Testing Temperature -40 degF
1 hr
621 degC
1150 degF
Shielding Gas 75% Ar - 25% CO2
Impact Value 54 J
Impact Value 40 ft-lb
Stress Relieved

Classifications

ASME SFA 5.36 :
ASME SFA 5.29 :
AWS A5.36 : E91T1-M21P4-K2-DH8
AWS A5.36 : E91T1-M21A6-K2-DH8
AWS A5.29 : E91T1-K2M-DH8

Typical Tensile Properties

Condition Stress Relieved As Welded Stress Relieved
Shielding Gas 75% Ar - 25% CO2 75% Ar - 25% CO2 75% Ar - 25% CO2
Tensile Strength 600 MPa(87 ksi) 650 MPa(94 ksi) 660 MPa(96 ksi)
Yield Strength 520 MPa(76 ksi) 605 MPa(88 ksi) 600 MPa(87 ksi)
Elongation 26 % 23 % 26 %
Testing Time 10 hr 1 hr
Testing Temperature 579 degC(1075 degF) 621 degC(1150 degF)

Recommended Welding Parameters

Current TTW Dist. Voltage Wire Diameter Wire Feed Speed
75% Ar - 25% CO2
130-200 A 9.5-12.7 mm(3/8-1/2 in.) 22-26 V 1.2 mm(.045 in.) 381-660 cm/min(150-260 in./min)
200-225 A 12.7-19 mm(1/2-3/4 in.) 24-27 V 1.2 mm(.045 in.) 660-965 cm/min(260-380 in./min)
225-265 A 19-25.4 mm(3/4-1 in.) 27-29 V 1.2 mm(.045 in.) 965-1321 cm/min(380-520 in./min)
135-250 A 12.7-16 mm(1/2-5/8 in.) 22-26 V 1.4 mm(.052 in.) 279-584 cm/min(110-230 in./min)
250-295 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)
185-285 A 16-19 mm(5/8-3/4 in.) 24-28 V 1.6 mm(1/16 in.) 279-508 cm/min(110-200 in./min)
340-400 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)
295-355 A 16-25.4 mm(3/4-1 in.) 27-31 V 1.4 mm(.052 in.) 864-1194 cm/min(340-470 in./min)
285-340 A 16-25.4 mm(3/4-1 in.) 27-30 V 1.6 mm(1/16 in.) 508-762 cm/min(200-300 in./min)

Deposition Data

Current Deposition Rate Diameter Efficiency (%) Voltage Wire Feed Speed
75% Ar - 25% CO2
150 A 1.9 kg/h(4.2 lb/h) 1.2 mm(.045 in.) 86 % 28 V 508 cm/min(200 in./min)
210 A 2.8 kg/h(6.3 lb/h) 1.2 mm(.045 in.) 86 % 29 V 762 cm/min(300 in./min)
250 A 3.9 kg/h(8.5 lb/h) 1.2 mm(.045 in.) 87 % 30 V 1016 cm/min(400 in./min)
155 A 2.0 kg/h(4.4 lb/h) 1.4 mm(.052 in.) 87 % 25 V 381 cm/min(150 in./min)
245 A 3.3 kg/h(7.3 lb/h) 1.4 mm(.052 in.) 86 % 28 V 635 cm/min(250 in./min)
310 A 4.6 kg/h(10.2 lb/h) 1.4 mm(.052 in.) 85 % 33 V 889 cm/min(350 in./min)
360 A 6.0 kg/h(13.3 lb/h) 1.4 mm(.052 in.) 85 % 36 V 1143 cm/min(450 in./min)
430 A 8.0 kg/h(17.6 lb/h) 1.4 mm(.052 in.) 87 % 37 V 1524 cm/min(600 in./min)
190 A 2.8 kg/h(6.1 lb/h) 1.6 mm(1/16 in.) 87 % 27 V 38 cm/min(150 in./min)
300 A 4.6 kg/h(10.2 lb/h) 1.6 mm(1/16 in.) 87 % 30 V 35 cm/min(250 in./min)
290 A 4.9 kg/h(10.7 lb/h) 1.2 mm(.045 in.) 87 % 33 V 1270 cm/min(500 in./min)
365 A 5.6 kg/h(12.3 lb/h) 1.6 mm(1/16 in.) 86 % 33 V 762 cm/min(300 in./min)
410 A 6.4 kg/h(14.0 lb/h) 1.6 mm(1/16 in.) 88 % 33 V 889 cm/min(350 in./min)
450 A 7.3 kg/h(16.0 lb/h) 1.6 mm(1/16 in.) 87 % 33 V 1016 cm/min(400 in./min)
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Part Numbers and Accessories

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Part Numbers : Dual Shield II 90-K2
DS II 90-K2 045X33#PSP 245013081 FIND A DISTRIBUTOR
DS II 90-K2 045X60#CL 245013115 FIND A DISTRIBUTOR
DS II 90-K2 052X33#PSP 245013131 FIND A DISTRIBUTOR
DS II 90-K2 052X33#PSP VP 245014113 FIND A DISTRIBUTOR
DS II 90-K2 1/16X33#PSP 245013073 FIND A DISTRIBUTOR
DS II 90-K2 1/16X33#PSP VP 245013594 FIND A DISTRIBUTOR
DS II 90-K2 1/16X60#CL 245013164 FIND A DISTRIBUTOR
DS II 90-K2 1/16X600#OMP 245013172 FIND A DISTRIBUTOR
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