Coreweld 77-HS

ESAB

Coreweld 77-HS

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Coreweld 77-HS is a metal-cored wire designed to run at faster travel speeds, higher deposition rates and leave very few silica islands. This metal cored wire is ideal for robotic applications. Optimal performance is achieved with 90% Argon / 10% CO2 shielding gas. .


Industries

  • Automotive
  • Industrial and General Fabrication
  • Mobile Equipment
  • Railcars

Welding Process

  • MCAW - Metal Core Arc Welding

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded 75% ar - 25% co2
52 J(38 ft-lb) -29 degC(-20 degF)
38 J(28 ft-lb) -40 degC(-40 degF)
as welded 90% ar - 10% co2
85 J(63 ft-lb) -29 degC(-20 degF)
54 J(40 ft-lb) -40 degC(-40 degF)

Typical Tensile Properties

Condition As Welded As Welded
Reduction in Area 60 % 58 %
Shielding Gas 75% Ar - 25% CO2 90% Ar - 10% CO2
Tensile Strength 515 MPa(75 ksi) 510 MPa(74 ksi)
Yield Strength 420 MPa(61 ksi) 425 MPa(62 ksi)
Elongation 32 % 33 %

Recommended Welding Parameters

Current TTW Dist. Voltage Wire Diameter Wire Feed Speed
75% Ar - 25% CO2
430-510 A 19 mm(3/4 in.) 32-36 V 1.6 mm(1/16 in.) 889-1219 cm/min(350-480 in./min)
340-430 A 19 mm(3/4 in.) 29-32 V 1.6 mm(1/16 in.) 635-889 cm/min(250-350 in./min)
230-340 A 19 mm(3/4 in.) 26-29 V 1.6 mm(1/16 in.) 381-635 cm/min(150-250 in./min)
340-410 A 16 mm(5/8 in.) 31-36 V 1.4 mm(.052 in.) 1016-1346 cm/min(400-530 in./min)
280-340 A 16 mm(5/8 in.) 28-31 V 1.4 mm(.052 in.) 762-1016 cm/min(300-400 in./min)
190-280 A 16 mm(5/8 in.) 29-28 V 1.4 mm(.052 in.) 457-762 cm/min(180-300 in./min)
200-260 A 16 mm(5/8 in.) 27-28 V 1.2 mm(.045 in.) 635-889 cm/min(250-350 in./min)
260-310 A 16 mm(5/8 in.) 28-30 V 1.2 mm(.045 in.) 889-1143 cm/min(350-450 in./min)
310-360 A 30-33 V 1.2 mm(.045 in.) 1143-1397 cm/min(450-550 in./min)
90% Ar - 10% CO2
430-510 A 19 mm(3/4 in.) 30-33 V 1.6 mm(1/16 in.) 889-1219 cm/min(350-480 in./min)
370-430 A 19 mm(3/4 in.) 28-30 V 1.6 mm(1/16 in.) 711-889 cm/min(280-350 in./min)
230-370 A 19 mm(3/4 in.) 24-28 V 1.6 mm(1/16 in.) 381-711 cm/min(150-280 in./min)
370-420 A 16 mm(5/8 in.) 30-32 V 1.4 mm(.052 in.) 1143-1397 cm/min(450-550 in./min)
310-370 A 16 mm(5/8 in.) 27-30 V 1.4 mm(.052 in.) 889-1143 cm/min(350-450 in./min)
190-310 A 16 mm(5/8 in.) 24-27 V 1.4 mm(.052 in.) 457-889 cm/min(180-350 in./min)
330-390 A 16 mm(5/8 in.) 29-32 V 1.2 mm(.045 in.) 1270-1651 cm/min(500-650 in./min)
260-330 A 16 mm(5/8 in.) 26-29 V 1.2 mm(.045 in.) 889-1270 cm/min(350-500 in./min)
170-260 A 16 mm(5/8 in.) 24-26 V 1.2 mm(.045 in.) 508-889 cm/min(200-350 in./min)

Deposition Data

Current Deposition Rate Diameter Deposition Efficiency (%) TTW Dist. Voltage Wire Feed Speed
90% Ar - 10% CO2
170 A 2.4 kg/h(5.2 lb/h) 1.2 mm(.045 in.) 94 % 16 mm(5/8 in.) 24 V 510 cm/min(200 in./min)
200 A 3.0 kg/h(6.5 lb/h) 1.2 mm(.045 in.) 95 % 16 mm(5/8 in.) 27 V 640 cm/min(250 in./min)
230 A 3.5 kg/h(7.7 lb/h) 1.2 mm(.045 in.) 96 % 16 mm(5/8 in.) 25 V 760 cm/min(300 in./min)
260 A 4.1 kg/h(9.1 lb/h) 1.2 mm(.045 in.) 97 % 16 mm(5/8 in.) 28 V 890 cm/min(350 in./min)
290 A 4.6 kg/h(10.2 lb/h) 1.2 mm(.045 in.) 98 % 16 mm(5/8 in.) 29 V 1020 cm/min(400 in./min)
330 A 5.8 kg/h(12.7 lb/h) 1.2 mm(.045 in.) 99 % 16 mm(5/8 in.) 32 V 1270 cm/min(500 in./min)
360 A 13.9 kg/h(6.3 lb/h) 1.2 mm(.045 in.) 99 % 16 mm(5/8 in.) 33 V 1400 cm/min(550 in./min)
190 A 2.5 kg/h(5.5 lb/h) 1.4 mm(.052 in.) 94 % 16 mm(5/8 in.) 26 V 440 cm/min(180 in./min)
240 A 3.5 kg/h(7.7 lb/h) 1.4 mm(.052 in.) 95 % 16 mm(5/8 in.) 27 V 640 cm/min(250 in./min)
280 A 4.2 kg/h(9.2 lb/h) 1.4 mm(.052 in.) 97 % 16 mm(5/8 in.) 28 V 760 cm/min(300 in./min)
340 A 5.1 kg/h(11.2 lb/h) 1.4 mm(.052 in.) 99 % 16 mm(5/8 in.) 31 V 1020 cm/min(400 in./min)
410 A 7.1 kg/h(15.7 lb/h) 1.4 mm(.052 in.) 99 % 16 mm(5/8 in.) 36 V 1330 cm/min(530 in./min)
230 A 2.81 kg/h(6.2 lb/h) 1.6 mm(1/16 in.) 91 % 19 mm(3/4 in.) 26 V 380 cm/min(150 in./min)
290 A 4.0 kg/h(8.8 lb/h) 1.6 mm(1/16 in.) 95 % 19 mm(3/4 in.) 27 V 510 cm/min(200 in./min)
340 A 5.6 kg/h(12.3 lb/h) 1.6 mm(1/16 in.) 98 % 19 mm(3/4 in.) 29 V 640 cm/min(250 in./min)
460 A 7.2 kg/h(15.9 lb/h) 1.6 mm(1/16 in.) 99 % 19 mm(3/4 in.) 32 V 890 cm/min(350 in./min)
510 A 9.4 kg/h(20.7 lb/h) 1.6 mm(1/16 in.) 99 % 19 mm(3/4 in.) 36 V 1210 cm/min(480 in./min)

Classifications

Classifications AWS A5.36 : E70T15-M21A4-CS1-H4
ASME SFA A5.18 :
ASME SFA A5.36 :
AWS A5.36 : E70T15-M20A4-CS1-H4
AWS A5.18 : E70C-6M H4

Approvals

Approvals CWB CSA W48 E491C-6M-H4
DNV-GL
Approvals are based on factory location. Please contact ESAB for more information.

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni P S Si
75% Ar - 25% CO2
0.04 % 0.90 % 0.40 % 0.01 % 0.015 % 0.70 %
90% Ar - 10% CO2
0.04 % 1.00 % 0.40 % 0.01 % 0.015 % 0.70 %
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How to purchase Coreweld 77-HS

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Part Numbers and Accessories

Part Numbers : Coreweld 77-HS
CW 77 HS .045X60# CL 243414067
CW 77-HS 045X33#AWS 243414000
CW 77-HS 045X600#OMP 243414042
CW 77-HS 052X33#AWS 243414018
CW 77-HS 052X600#OMP 243414034
CW 77-HS 1/16X33#AWS 243414026
CW 77-HS 1/16X60#CL 243414109
CW 77-HS 1/16X600#OMP 243414059
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