DETAILS
Metalshield® HDT™ is a high deposition metal core used in conjunction with Lincoln Electric’s Process HDT high deposition waveform. This innovative process solution delivers single wire deposition rates of up to 40 lbs/hour all while maintaining stable arc conditions and consistency in weldability.
Features
- High deposition metal core wire used in conjunction with Lincoln Electric’s Process HDT high deposition waveform process solution
- Delivers single wire deposition rates up to 40 lbs/hour
- Designed specifically for high amperage applications to help increase productivity while maintaining stable arc conditions
- Consistent, uniform penetration with excellent toe wetting producing robust weld profiles
- Specially formulated to resist porosity and nitrogen pick up when applied as noted
- Excellent operation on mill scale
- H4 diffusible hydrogen level
Typical Applications
- Automated Welds on Heavy Components
- Mining & Construction Machinery
- Machine Bases & Frames
- Heavy Fabrication & Structural Fabrication
- Robotics/Hard Automation
Welding Positions
- Flat/Horizontal
Shielding Gas
- 75-90% Argon / Balance CO2; Flow Rate: 75-85 CFH
Special Features
- 1F, 2F welds, max. leg size 3/4 in (19mm) in 3 passes; 1G welds, max. groove thickness 1.0 in (25mm); Maximum recommended weave width 3/4 in (19mm)
Disclaimers
Service Information
Documentation
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 A5.18 | E70C-GM-H4 |
| ASME | ASME SFA-A5.18 | E70C-GM-H4 |
MECHANICAL PROPERTIES
| Classification | Shielding Gas |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -29°C (-20°F) |
|---|---|---|---|---|---|
| E70C-GM-H4 | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 75% Ar, 25% CO2 | 606 (88) | 724 (105) | 25 | 68 (50) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | %C | %Mn | %Si | %S | %P | %Cu | %Ni | %Cr | %Mo | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E70C-GM-H4 | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | |
| Typical Result | 75% Ar, 25% CO2 | 0.07 | 2.4 | 1.1 | 0.01 | 0.01 | 0.05 | 0.02 | 0.04 | ≤ 0.01 | ≤ 0.01 | 1-2 |
TYPICAL OPERATING PROCEDURES
| Diameter in (mm) | Polarity | Shielding Gas | CTWD⁽¹⁾ mm (in) | Wire Feed Speed m/min (in/min) | Voltage (volts) | Current (amps) | Melt-Off Rate kg/hr (lb/hr) | Deposition Rate kg/hr (lb/hr) | Efficiency (%) |
|---|---|---|---|---|---|---|---|---|---|
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 25.4 (1) | 10.2 (400) | 36 | 440 | 8.7 (19.2) | 8.3 (18.3) | 95 |
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 25.4 (1) | 12.7 (500) | 37 | 510 | 10.8 (23.8) | 10.4 (22.9) | 96 |
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 25.4 (1) | 15.2 (600) | 38 | 570 | 12.7 (27.9) | 12.3 (27.1) | 97 |
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 28.6 (1-1/8) | 17.8 (700) | 42 | 565 | 14.9 (32.9) | 14.1 (31.2) | 95 |
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 28.6 (1-1/8) | 20.3 (800) | 43 | 600 | 17.2 (37.9) | 16.5 (36.3) | 96 |
| 1/16 (1.6) | DC+ | 80% Ar, 20% CO2 | 28.6 (1-1/8) | 22.9 (900) | 44 | 645 | 19.1 (42.0) | 18.3 (40.3) | 96 |
NOTES
| Name |
|---|
| ⁽¹⁾ To estimate ESO, subtract 3/16 in (4.8 mm) from CTWD. |
| NOTE: The listed procedures were welded with HDT mode. |