Dual Shield II 70-Ni1 H4

ESAB

Dual Shield II 70-Ni1 H4

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Dual Shield II 70-Ni1 H4 is an all-position, flux-cored wire designed to be used under 75% Ar/25% CO2 gas protection. It provides excellent low temperature toughness in both as-welded or stress-relieved conditions. Dual Shield II 70-Ni1 H4 produces low diffusible Hydrogen levels – lower than 4ml/100g – over a wide range of welding parameters. The smooth arc, fast-freezing slag, low spatter levels and easy slag release make this an ideal wire for the welding of steel plate in all positions. Nickel content below 1% and Brinell hardness less than 200 meet the requirements for applications where resistance to stress-corrosion cracking is required. Dual Shield II 70-Ni1 H4 is used in the fabrication of storage vessels that need to be stress relieved to minimize the ocurrance of stress corrosion cracking (SCC). Typical Diffusible Hydrogen: 2 ml/100g of deposited metal

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Industries

  • Pressure Vessels

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
stress relieved flat position
233 J (172 ft-lb) 1 hr 621 degC (1150 degF) -29 degC (-20 degF)
205 J (151 ft-lb) 1 hr 621 degC (1150 degF) -46 degC (-50 degF)
stress relieved vertical postition
237 J (175 ft-lb) 8 hr 621 degC (1150 degF) -29 degC (-20 degF)
164 J (121 ft-lb) 8 hr 621 degC (1150 degF) -46 degC (-50 degF)

Typical Tensile Properties

Condition Stress Relieved Stress Relieved As Welded
Shielding Gas Flat Position Vertical Position Flat Position
Tensile Strength 510 MPa (74 ksi) 510 MPa (74 ksi) 531 MPa (77 ksi)
Yield Strength 427 MPa (62 ksi) 427 MPa (62 ksi) 469 MPa (68 ksi)
Elongation 33 % 35 % 31 %
Testing Time 1 hr 8 hr
Testing Temperature 621 degC (1150 degF) 621 degC (1150 degF)

Recommended Welding Parameters

Current TTW Dist. Voltage Wire Diameter
130-200 A 9.5-12.7 mm (3/8-1/2 in.) 22-26 V 1.2 mm (.045 in.)
200-225 A 12.7-19 mm (1/2-3/4 in.) 24-27 V 1.2 mm (.045 in.)
225-265 A 19-25.4 mm (3/4-1 in.) 26-29 V 1.2 mm (.045 in.)

Deposition Data

Current Deposition Rate Diameter Deposition Efficiency (%) TTW Dist. Voltage Wire Feed Speed
130 A 1.8 kg/h (3.9 lb/h) 1.2 mm (.045 in.) 87 % 12.7 mm (1/2 in.) 22 V 381 cm/min (150 in./min)
190 A 2.4 kg/h (5.2 lb/h) 1.2 mm (.045 in.) 87 % 12.7 mm (1/2 in.) 26 V 660 cm/min (260 in./min)
220 A 3.6 kg/h (7.9 lb/h) 1.2 mm (.045 in.) 88 % 19 mm (3/4 in.) 27 V 965 cm/min (380 in./min)
245 A 4.9 kg/h (10.8 lb/h) 1.2 mm (.045 in.) 88 % 19 mm (3/4 in.) 29 V 1321 cm/min (520 in./min)

Classifications

Classifications ASME SFA 5.36 :
ASME SFA 5.29 :
AWS A5.36 : E71T1-M21P5-Ni1-H4
AWS A5.29 : E71T-1GMJ-H4
AWS A5.36 : E71T1-M21A5-Ni1-H4

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Mn Mo Ni P S Si V
0.02 % 0.06 % 0.03 % 1.13 % 0.01 % 0.90 % 0.010 % 0.008 % 0.25 % 0.005 %
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Part Numbers : Dual Shield II 70-Ni1 H4
245011713 FIND A DISTRIBUTOR

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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