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Ultracore stainless, flux-cored wire, plastic spool

Diameters / Packaging

Diameters
 33 lb Spool
0.045 in (1.1 mm) ED035423
0.052 in (1.3 mm) ED035424

UltraCore® 121K3M-H Plus

Flux-Cored Gas-Shielded (FCAW-G)

CLASSIFICATIONS:
E121T1-GM-H4
E121T1-M21A6-K3-H4

UltraCore® 121K3M-H Plus from Lincoln Electric is capable of superior toughness at-60°F

Diameter

Select Diameter

  • 0.045 in (1.1 mm)
  • 0.052 in (1.3 mm)

Package

Select Package

  • 33 lb Spool

DETAILS

Innovative design capable of superior toughness at-60°F

Typical Applications

  • Offshore drilling rigs
  • Ship building
  • Low temperature storage tanks
  • Construction

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas

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 A5.29 E121T1-GM-H4
AWS AWS A5.36 E111T1-M21P4-K3-H4, E121T1-M21A6-K3-H4

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) @ -50°C (-60°F)
E121T1-GM-H4 Requirement 75-80% Ar, balance CO2 DC+ 740 (108) min. 830-960 (120-140) 14 min.
E111T1-M21P4-K3-H4 Requirement M21-ArC DC+ 680 (98) min. 760-900 (110-130) 15 min. 27 (20) min.
E121T1-M21A6-K3-H4 Requirement M21-ArC DC+ 740 (108) min. 830-960 (120-140) 14 min. 27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2 DC+ 790-900 (114-131) 830-940 (120-136) 17-24 30-78 (22-57)
Typical Result, 1 hour @ 620°C (1150°F) 75% Ar, 25% CO2 DC+ 740-810 (107-118) 800-850 (116-123) 20-23 29-45 (22-33)

DEPOSIT COMPOSITION

Classification Shielding Gas Polarity %B %C %Cr %Mn %Mo %Ni %P %S %Si %V Diffusible Hydrogen
mL/100g Weld Metal
E121T1-GM-H4 Requirement 75-80% Ar, balance CO2 DC+ 0.30 min. * 0.50 min. * 0.20 min. * 0.50 min. * 0.10 min. * 4.0 max.
E111T1-M21P4-K3-H4 Requirement M21-ArC DC+ 0.15 max. 0.15 max. 0.75 - 2.25 0.25 - 0.65 1.25 - 2.60 0.030 max. 0.030 max. 0.80 max. 0.05 max. 4 max.
E121T1-M21A6-K3-H4 Requirement M21-ArC DC+ 0.15 max. 0.15 max. 0.75 - 2.25 0.25 - 0.65 1.25 - 2.60 0.030 max. 0.030 max. 0.80 max. 0.05 max. 4 max.
Typical Result 75% Ar, 25% CO2 DC+ 0.003-0.005 0.06-0.08 0.08 max. 1.61-1.96 0.54-0.65 2.11-2.56 0.011 max. 0.014 max. 0.26-0.35 0.01 max. 0.7-2

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+ 19 (3/4) 4.4 (175) 24 - 28 120 1.8 (3.9) 1.5 (3.4) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 6.4 (250) 25 - 29 140 2.5 (5.6) 2.2 (4.8) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 7.6 (300) 26 - 30 155 3.1 (6.8) 2.6 (5.8) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 8.9 (350) 27 - 31 170 3.6 (7.9) 3.1 (6.8) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 25 (1) 10.2 (400) 28 - 32 185 4.1 (9.0) 3.5 (7.8) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 25 (1) 11.4 (450) 28 - 32 200 4.6 (10.1) 4.0 (8.8) 85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2 DC+ 25 (1) 12.7 (500) 29 - 33 220 5.1 (11.3) 4.4 (9.8) 85-87
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 3.8 (150) 26 - 29 160 2.1 (4.6) 1.7 (3.8) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 4.4 (175) 26 - 29 180 2.4 (5.4) 2.0 (4.5) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 5.1 (200) 27 - 30 200 2.8 (6.2) 2.3 (5.1) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 5.7 (225) 27 - 30 220 3.2 (7.0) 2.6 (5.8) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 19 (3/4) 7.0 (275) 28 - 31 255 3.9 (8.5) 3.2 (7.1) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 25 (1) 7.6 (300) 28 - 31 230 4.2 (9.3) 3.5 (7.8) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 25 (1) 8.3 (325) 28 - 31 245 4.6 (10.1) 3.8 (8.4) 82-84
0.052 in (1.3 mm) 75% Ar, 25% CO2 DC+ 25 (1) 8.9 (350) 29 - 32 255 4.9 (10.9) 4.1 (9.1) 82-84

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.