AWS: E90C-K3 H4, E90T15-M20A6-K3-H4 Metal-Cored Gas-Shielded (GMAW-C), Tianjin, China.is a low alloy metal-cored wire designed for high strength welding where tensile requirements of 620 MPa (90ksi) are required.

keywords

Welding Positions

AWS: E90C-K3 H4, E90T15-M20A6-K3-H4

Robotics/hard automation
HSLA steels (i.e., ASTM A678 and A710)
Crane fabrication
Structural

Typical Applications

FEATURES 

H4 diffusible hydrogen levels
Low spatter and excellent arc stability
Deoxidizing agents minimize pre- and post-weld clean up
Enhanced silicon island management
Low temperature impact properties - charpy V-notch test results capable of exceeding 40 J (30 ft·lbf) at -51°C (-60°F)
Excellent bead shape and profile

Shielding Gas

75-90% Argon / Balance CO2
Flow Rate: 40-60 CFH

DIAMETERS / PACKAGING

Diameter                           33 lb (15 kg)                         500 lb (227 kg)

in(mm)                              Plastic Spool                              Drum

0.045(1.1)                          ED033904                                 ED033907
0.052(1.3)                          ED033905                                 ED0339081/16(1.6)                            ED033906                                 ED033909

MECHANICAL PROPERTIES(1) – As Required per AWS A5.28/A5.28M: 2005

DEPOSIT COMPOSITION(1) – As Required per AWS A5.28/A5.28M: 2005

TYPICAL OPERATING PROCEDURES

PREHEAT / INTERPASS

Consult steel manufacturer’s recommendations regarding minimum and maximum pre-heat temperature, interpass temperature, and heat input.