Suitable for use on materials having a similar composition, such as ASTM A387 or P21/P22 Pipe. Suitable for extended service at elevated temperature. Provides good puddle control and bead contour when welding in all positions. Provides versatility in procedure and application development.

Description

Welding Positions

Flux Cored Welding Wire

Classification:

AW S A5.29: E91T1-B3C H4,E91T1-B3M H4

Fast-freezing,rutile-type,flux-cored wire

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

DirectCurrentElectrodePositive(DCEP)

0.045" (1.2 mm), 1/16" (1.6 mm)

Notrecommended

Productshould bestored inadry,enclosed environment,and initsoriginalintactpackaging

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

Singleor multi-passwelding 2-1/4% Cr / 1%

Mosteels ASTM A387grades21& 22
Power generationindustries

Boiler and pressurevessels

Elevated servicetemperatures
P21& P22pipe

APPLICATIONS

SLAG SYSTEM OR WIRE TYPE

SHIELDING GAS

TYPE OF CURRENT

STANDARD DIAMETERS

RE-DRYING

TYPICAL WELD METAL CHEMISTRY* (Chem Pad)

TYPICAL MECHANICAL PROPERTIES*

CONFORMANCES AND APPROVALS

AW S A5.29,E91T1-B3C H4,E91T1-B3M H4
AW S A5.29M,E621T1-B3C H4,E621T1-B3M H4
ASME SFA 5.29,E91T1-B3C H4,E91T1-B3M H4

STANDARD DIAMETERS AND PACKAGES: 

For a complete list of diameters and packaging, please contact

Maintaining a proper welding procedure -including pre-heat and interpass temperatures -maybe critical
depending on the type and thickness ofsteel being welded.

See Above: Thisinformationwasdetermined byweldingusing100% CarbonDioxide(CO2)shieldinggaswithaflow
ratebetween35-50cfh(17-24l/min). Whenweldingusing75% Argon(Ar)/25% CarbonDixoide(CO2)shieldinggas,
reducevoltagebyapproximately1volt.

All positions include: Flat,Horizontal,VerticalUp,and Overhead.

STORAGE

FEATURES AND BENEFITS

Nominal 2-1/4% Chromium 1 1% Molybdenum weld metal composition

Good creep resistance

Fast-freezing slag

· Suitable for use with both 100% carbon dioxide and some argon-carbon dioxide mixtures

"H4" low-hydrogen weld deposit

.Suitable for use on materials having a similar composition, such as ASTM A387 or P21/P22 pipe

Suitable for extended service at elevated temperature

Provides good puddle control and bead contour when welding in all positions

Provides versatility in procedure and application development

Helps minimize the risk of hydrogen-induced cracking

TYPICAL CHARPY V-NOTCH IMPACT VALUES*  Not required

INDUSTRIES

For the welding of 2 1/4 Cr and 1 Mo steels.

TYPICAL DIFFUSIBLE HYDROGEN*