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PRODUCT MATERIAL

TRIBALOY®T-800®Download

 Tribaloy® T-800® is a cobalt-chromium-molybdenum alloy which inhibits galling between sliding surfaces where lubrication is difficult. The microstructure of Tribaloy® T-800 consists of about 50% of the hard intermetallic Laves phase dispersed in a softer cobalt alloy matrix. This provides the material with exceptional metal to metal wear bearing properties. The high levels of molybdenum and chromium present favors the formation of the high hardness Laves phase and also provides a high level of corrosion resistance. The Laves phase itself has a 2840° F melting point, which helps Tribaloy T-800 retain its wear resistance to high temperatures. Deposit hardness is in the range of Rc 54-62. Wire diameters 0.035", 0.045" and 0.062" are available as straight cut lengths 17" standard. Shapes are available per customer requirements.
Chemistry

 

Cr

Ni+Fe

Mo

Co

C

N

O

Si

P

S

MIN

16.50

--

27.00

--

--

--

--

3.00

--

--

MAX

18.50

3.00

30.00

Balance

0.08

0.07

0.05

3.80

0.03

0.03

Specifications
GE B50TF193S6, HARDFACING MATERIALS SNECMA B50TF193
HARDFACING MATERIALS SNECMA DMR 34.071
Inventory
TRIBALOY® T-800® Weld Wire
Common Trade Names
Tribaloy®
Features
• Low coefficient of friction
Applications
• Hardfacing of notches in jet engine turbine blades
Physical Properties
Density: 0.312 lb/in3
Thermal Expansion: 6.8 in/in° F x 106

Ultimate Compressive Strength, ksi

258

Modulus of Elasticity Dynamic, psi x 10-6

352

Fracture Toughness ksi √in

17

Hot Hardness

Temperature, ° F ksi

800

1000

1200

1400

Hot Hardness, DPH

17

308

659

622

TRIBALOY® and T-800®