Excellent for high tensile strength and low temperature impact properties that are needed. The basic slag formulation also ensure that the weld deposit will be low in diffusible hydrogen. Provides great fracture toughness, increased toughness at low temperature and increased resistance to cracking.

Description

Welding Positions

Flux Cored Welding Wire

Classification:

A5.29: E90T5-K2C H4/-K2M H4

TYPICAL DIFFUSIBLE HYDROGEN*

 Slow-freezing, basic type, flux-cored wire

100% Carbon Dioxide (CO2), 75% Argon (Ar)/25% Carbon Dioxide (CO2), 35-50 cfh (17-24 /min)

Direct Current Electrode Positive (DCEP)

1/16" (1.6 mm)

Not recommended

Product should be stored in a dry, enclosed environment, and in its original intact packaging

Single or multiple pass applications with 100% CO2 or 75Ar/25CO2 shielding gas

●Single or multi-pass welding 
●Heavy equipment and machinery
●Structural and bridge fabrication
●Shipbuilding
●Offshore
●Crack and casting repairs
●90+ KSI tensile-strength High-Strength Low- Alloy (HSLA) steels
●90+ KSI (690 MPa) tensile-strength Quench & Tempered (Q&T) steels

●AASHTO M709 HPS 70W

APPLICATIONS

SLAG SYSTEM OR WIRE TYPE

SHIELDING GAS

TYPE OF CURRENT

STANDARD DIAMETERS

RE-DRYING

TYPICAL WELD METAL CHEMISTRY* (Chem Pad)

CONFORMANCES AND APPROVALS:

●AWS A5.29, E90T5-K2C H4, E90T5-K2M H4
●AWS A5.29M, E620T5-K2C H4, E620T5-K2M H4
●ASME SFA 5.29, E90T5-K2C H4, E90T5-K2M H4

• Maintaining a proper welding procedure - including pre-heat and interpass temperatures - may be critical
depending on the type and thickness of steel being welded.

• See Above: This information was determined by welding using 75% Argon (Ar)/25% Carbon Dioxide (CO2) shielding gas with a flow rate between 35- -50 cfh (17-24 /min). When using 100% Carbon Dioxide (CO2) shielding gas, increase voltage by approximately 1 volt.

STORAGE

FEATURES AND BENEFITS

●Basic slag system provides excellent weld metal toughness
●Very low diffusible hydrogen weld deposit (H4)
●Wire provides excellent arc drive/dig
●Improved sensitivity to higher sulphur contents over wires with acidic/rutile slag (or no slag)
●Helps to minimize risk of cracking in critical applications
●Helps to minimize risk of hydrogen-induced cracking
●Helps to minimize risk of lack of fusion, even when welding using narrow joint configurations

●Minimizes risk of solidification cracking and helps maintain weld metal toughness and ductility on base metals with less-than-optimal sulphur contents

Keywords

AWS A5.29: E90T5-K2C H4/-K2M H4,Flux Cored Welding Wire ,China, Tianjin.

STANDARD DIAMETERS AND PACKAGES: 

For a complete list of diameters and packaging, please contact Hobart Brothers at (800) 424-1 543, or (937) 332-51 88 for International Customer Service.

TYPICAL CHARPY V-NOTCH IMPACT VALUES* (As Welded)

TYPICAL MECHANICAL PROPERTIES* (As Welded)