UltraCore, 50 lb Fiber Spool

UltraCore® HD-M

Flux-cored (FCAW-G) Wire

AWS: E71T-9M-H8, E71T1-M21A2-CS1-H8

UltraCore® HD-M from Lincoln Electric is a mild steel, gas-shielded flux-cored wire designed to provide high deposition rates and flat bead appearance.

DETAILS

UltraCore® HD-M is a mild steel, gas-shielded flux-cored wire designed to provide high deposition rates and flat bead appearance required in many out-of-position applications.

Features

  • High Deposition Rates – increase weld deposition up to 10 lbs/hr out-of-position
  • Flat Bead

Typical Applications

  • Shipbuilding
  • General fabrication

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas

Special Features

Service Information

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BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.20 E71T-1M-H8, E71T-9M-H8
AWS AWS A5.36 E71T1-M21A2-CS1-H8
ABS ABS - Part 2 3YSA H10
CWB CSA W48 E491T1-M21A3-CS1-H8 (E491T-9M-H8)
DNV-GL DNV - 2.9 III YMS H10
LR LR - Chapter 11 3YS H10

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

MECHANICAL PROPERTIES

Classification Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -20°C (0°F)
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
E71T-1M-H8 Requirement 75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T-9M-H8 Requirement 75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T1-M21A2-CS1-H8 Requirement M21-ArC DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2 DC+ 540 (78) 600-650 (87-95) 22 34-39 (25-29) 29-128 (21-94)

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

DEPOSIT COMPOSITION

Classification Shielding Gas Polarity %B %C %Mn %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E71T-1M-H8 Requirement 75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
E71T-9M-H8 Requirement 75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
E71T1-M21A2-CS1-H8 Requirement M21-ArC DC+ 0.12 max. 1.75 max. 0.030 max. 0.030 max. 0.90 max. 8 max.
Typical Result 75% Ar, 25% CO2 DC+ 0.003-0.0068 0.04-0.06 1.35-1.58 0.01-0.015 0.01 max. 0.45-0.58 3.3-8

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

TYPICAL OPERATING PROCEDURES

Diameter Shielding Gas Polarity CTWD
mm (in.)⁽¹⁾
Wire Feed Speed
m/min (in/min)
Voltage
volts
Approx. Current
amps
Melt-off Rate
kg/hr (lb/hr)
Deposition Rate
kg/hr (lb/hr)
Efficiency
%
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 4.4 (175) 21-26 130 1.8 (4.0) 1.6 (3.5) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 6.4 (250) 22-27 155 2.6 (5.7) 2.3 (5.0) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 7.6 (300) 23-28 170 3.1 (6.9) 2.7 (6.0) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 8.9 (350) 23-29 190 3.6 (8.0) 3.2 (7.0) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 10.2 (400) 25-30 205 4.1 (9.1) 3.6 (8.0) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 11.4 (450) 26-31 225 4.7 (10.3) 4.1 (9.0) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 12.7 (500) 27-33 230 5.2 (11.4) 4.5 (9.9) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 14.0 (550) 28-33 245 5.7 (12.6) 4.9 (10.9) 87 - 88
0.045 in (1.1 mm) 75% Ar / 25% CO2 DC+ 25 (1) 15.2 (600) 28-34 265 6.2 (13.7) 5.4 (11.9) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 3.8 (150) 22-26 145 2.0 (4.5) 1.8 (3.9) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 5.1 (200) 23-27 170 2.7 (6.0) 2.4 (5.2) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 6.4 (250) 23-28 190 3.4 (7.5) 2.9 (6.5) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 7.6 (300) 24-29 215 4.1 (9.0) 3.5 (7.8) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 8.9 (350) 24-30 235 4.8 (10.5) 4.1 (9.1) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 9.5 (375) 25-30 250 5.1 (11.2) 4.4 (9.8) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 10.8 (425) 26-31 270 5.8 (12.7) 5.0 (11.1) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 12.1 (475) 26-32 295 6.4 (14.2) 5.6 (12.4) 87 - 88
.052" (1.3 mm) 75% Ar / 25% CO2 DC+ 25 (1) 12.7 (500) 27-33 305 6.8 (15.0) 5.9 (13.0) 87 - 88
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 3.8 (150) 22 - 26 195 2.9 (6.3) 2.5 (5.5) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 4.4 (175) 23 - 26 215 3.4 (7.4) 2.9 (6.4) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 5.1 (200) 23 - 27 235 3.8 (8.4) 3.3 (7.3) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 5.7 (225) 24 - 28 255 4.3 (9.5) 3.7 (8.2) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 6.4 (250) 25 - 29 270 4.8 (10.5) 4.1 (9.1) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 7.6 (300) 25 - 30 310 5.7 (12.6) 5.0 (11.0) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 8.3 (325) 26 - 31 330 6.2 (13.7) 5.4 (11.9) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 8.9 (350) 28 - 32 350 6.7 (14.7) 5.8 (12.8) 86 -87
1/16 in (1.6 mm) 75% Ar / 25% CO2 DC+ 25 (1) 10.2 (400) 28 - 33 390 7.6 (16.8) 6.6 (14.6) 86 -87

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

NOTES

Note
⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD.