DETAILS
Innovative design capable of superior toughness at-50°F in both as-welded and stress-relieved conditions
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-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 |
MECHANICAL PROPERTIES
Classification | Shielding Gas | Polarity |
Yield 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 CO2 | DC+ | 400 (58) min. | 480-620 (70-90) | 22 min. | 27 (20) min. | ||
E81T1-GM Requirement | 75-80% Ar, balance CO2 | DC+ | 470 (68) min. | 550-690 (80-100) | 19 min. | |||
E71T1-M21A6-CS2-H4 Requirement | M21-ArC | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | ||
E71T1-M21P5-CS2-H4 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+ | 470-580 (68-84) | 550-620 (80-90) | 25-31 | 106-171 (78-126) | 85-149 (63-110) | 27-188 (20-139) |
Typical Result, 1 hour @ 620°C (1150°F) | 75% Ar, 25% CO2 | DC+ | 420-470 (60-68) | 520-570 (76-82) | 29-33 | 43-153 (32-112) |
DEPOSIT COMPOSITION
Classification | Shielding Gas | Polarity | %B | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E71T-12M-JH4 Requirement | 75-80% Ar, balance CO2 | DC+ | 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 CO2 | DC+ | 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 CO2 | DC+ | 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 CO2 | DC+ | Info. Only | 0.30 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-ArC | DC+ | 0.12 max. | 1.60 max. | 0.030 max. | 0.030 max. | 0.90 max. | 4 max. | ||||||
E71T1-M21P5-CS2-H4 Requirement | M21-ArC | DC+ | 0.12 max. | 1.60 max. | 0.030 max. | 0.030 max. | 0.90 max. | 4 max. | ||||||
Typical Result | 75% Ar, 25% CO2 | DC+ | 0.003-0.008 | 0.05-0.09 | 0.05 max. | 0.04 max. | 1.30-1.51 | 0.01 max. | 0.02 max. | 0.020 max. | 0.013 max. | 0.38-0.47 | 0.005 max. | 0.7-4 |
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) | 75-80% Ar / balance CO2 | DC+ | 19-25 (3/4-1) | 4.4-12.7 (175-500) | 21-33 | 140-275 | 1.8-5.2 (4.0-11.4) | 1.6-4.7 (3.5-10.4) | 84-91 |
0.052 in (1.3 mm) | 75-80% Ar / balance CO2 | DC+ | 19-25 (3/4-1) | 3.8-10.2 (150-400) | 21-33 | 150-310 | 2.0-5.4 (4.5-12.0) | 1.8-4.7 (3.9-10.4) | 84-87 |
1/16 in (1.6 mm) | 75-80% Ar / balance CO2 | DC+ | 19-25 (3/4-1) | 3.8-8.9 (150-350) | 22-33 | 200-365 | 2.9-6.7 (6.3-14.7) | 2.5-5.8 (5.5-12.8) | 83-87 |
NOTES
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. |