Allegheny Ludlum Grade 4 Titanium (UNS R50700)


Subcategory: Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium

Key Words: ASTM B-265; AMS 4901; DIN 3.7065

Component   Wt. %
CMax 0.1 
FeMax 0.6 
HMax 0.015 
N Max 0.05 
OMax 0.4 
TiMin 98.8 

Material Notes:
Titanium content above calculated as remainder.

Uses: CPI equipment, industrial components, heat exchangers.

Mechanical property data below is typical of annealed samples at room temperature.

Information provided by Allegheny Ludlum.

Physical PropertiesMetricEnglishComments
Density4.52 g/cc0.163 lb/in³ 

Mechanical Properties
Hardness, Brinell250250 
Tensile Strength, Ultimate690 MPa100000 psi 
Tensile Strength, Yield550 MPa79800 psi 0.2% YS
Elongation at Break23 %23 % 


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