| CONFORMANCES |
SPECIFICATIONCLASSIFICATION |
| AWS |
AWS A5.20 E71T-12M-JH4, E71T-1M-JH4, E71T-9M-JH4 |
| AWS |
AWS A5.29 E81T1-GM |
| AWS |
AWS A5.36 E71T1-M21A6-CS2-H4, E71T1-M21P5-CS2-H4 |
| ABS |
ABS - Part 2 4YSA H5 |
| CWB |
CSA W48 E491T1-M21A5-CS2-H4 (E491T-12MJ-H4) |
| DNV-GL |
DNV - 2.9 IV YMS H5 |
| LR |
LR - Chapter 11 4YS H5 |
| Classification |
Shielding GasPolarityYield Strength @ 0.2% Offset, MPa (ksi)Tensile Strength, MPa (ksi)Elongation, %Charpy V-Notch, J (ft-lbs) @ -40°C (-40°F)Charpy V-Notch, J (ft-lbs) @ -45°C (-50°F)Charpy V-Notch, J (ft-lbs) @ -50°C (-60°F) |
| E71T-12M-JH4 Requirement |
75-80% Ar, balance CO2DC+400 (58) min.480-620 (70-90)22 min.27 (20) min. |
| E81T1-GM Requirement |
75-80% Ar, balance CO2DC+470 (68) min.550-690 (80-100)19 min. |
| E71T1-M21A6-CS2-H4 Requirement |
M21-ArCDC+400 (58) min.480-660 (70-95)22 min.27 (20) min. |
| E71T1-M21P5-CS2-H4 Requirement |
M21-ArCDC+400 (58) min.480-660 (70-95)22 min.27 (20) min. |
| Typical Result, As-welded |
75% Ar, 25% CO2DC+470-580 (68-84)550-620 (80-90)25-31106-171 (78-126)85-149 (63-110)27-188 (20-139) |
| Typical Result, 1 hour @ 620°C (1150°F) |
75% Ar, 25% CO2DC+420-470 (60-68)520-570 (76-82)29-3343-153 (32-112) |
| Classification |
Shielding GasPolarity%B%C%Cr%Cu%Mn%Mo%Ni%P%S%Si%VDiffusible Hydrogen, mL/100g Weld Metal |
| E71T-12M-JH4 Requirement |
75-80% Ar, balance CO2DC+0.12 max.1.60 max.0.03 max.0.03 max.0.90 max.4.0 max. |
| E71T-1M-JH4 Requirement |
75-80% Ar, balance CO2DC+0.12 max.1.75 max.0.03 max.0.03 max.0.90 max.4.0 max. |
| E71T-9M-JH4 Requirement |
75-80% Ar, balance CO2DC+0.12 max.1.75 max.0.03 max.0.03 max.0.90 max.4.0 max. |
| E81T1-GM Requirement |
75-80% Ar, balance CO2DC+Info. Only0.30 min. *0.50 min. *0.20 min. *0.50 min. *0.030 max.0.030 max.1.00 max.0.10 min. * |
| E71T1-M21A6-CS2-H4 Requirement |
M21-ArCDC+0.12 max.1.60 max.0.030 max.0.030 max.0.90 max.4 max. |
| E71T1-M21P5-CS2-H4 Requirement |
M21-ArCDC+0.12 max.1.60 max.0.030 max.0.030 max.0.90 max.4 max. |
| Typical Result |
75% Ar, 25% CO2DC+0.003-0.0080.05-0.090.05 max.0.04 max.1.30-1.510.01 max.0.02 max.0.020 max.0.013 max.0.38-0.470.005 max.0.7-4 |
| Diameter |
Shielding GasPolarityCTWD, mm (in.)⁽¹⁾Wire Feed Speed, m/min (in/min)Voltage, voltsApprox. Current, ampsMelt-off Rate, kg/hr (lb/hr)Deposition Rate, kg/hr (lb/hr)Efficiency, % |
| 0.045 in (1.1 mm) |
75-80% Ar / balance CO2DC+19-25 (3/4-1)4.4-12.7 (175-500)21-33140-2751.8-5.2 (4.0-11.4)1.6-4.7 (3.5-10.4)84-91 |
| 0.052 in (1.3 mm) |
75-80% Ar / balance CO2DC+19-25 (3/4-1)3.8-10.2 (150-400)21-33150-3102.0-5.4 (4.5-12.0)1.8-4.7 (3.9-10.4)84-87 |
| 1/16 in (1.6 mm) |
75-80% Ar / balance CO2DC+19-25 (3/4-1)3.8-8.9 (150-350)22-33200-3652.9-6.7 (6.3-14.7)2.5-5.8 (5.5-12.8)83-87 |
| Note |
|
| * To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements. |
|
| ⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |
|
| LECO Diameter |
0.052 in (1.3 mm) |
| LECO Package |
33 lb Spool |
| Diameter (in) |
0.052 |