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 Charpy V-Notch Properties

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

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 Deposition 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)

Classifications

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 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 %
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Part Numbers and Accessories

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Part Numbers : Dual Shield II 90-K2
245013081 FIND A DISTRIBUTOR
245013115 FIND A DISTRIBUTOR
245013131 FIND A DISTRIBUTOR
245014113 FIND A DISTRIBUTOR
245013073 FIND A DISTRIBUTOR
245013594 FIND A DISTRIBUTOR
245013164 FIND A DISTRIBUTOR
245013172 FIND A DISTRIBUTOR

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