3.7235 / Ti Grade 7 / Ti 2 Pd

Standards

Mat. No.
3.7235
EU
Grade 7
AISI/ASTM
Ti-Grade 7
UNS
R52400
Other
Titanium CP
Grade 7
Ti-Grade 7 ; Unalloyed titanium contains 0.12-0.25% Pd and standard oxygen.
It is a low-alloy titanium alloy developed for the chemical industry. It exhibits excellent properties comparable to pure titanium grades with increased corrosion resistance. The addition of Pd enhances its resistance to crevice corrosion in low temperatures and high pH environments.

Chemical Composition & Mechanical and Physical Properties

C%
0.080 max
N%
0.030 max
Ti%
Rest
Fe%
0.30 max
O%
0.25 max
H %
0.015 max
Pd %
0.12-0.25
Hardness HB 30
150 max
0.2 % Yield Strength N/mm2
275 min
Tensile Strength Rm N/mm2
345 min
Elongation A5 %
20 min
Elastic Modulus kN/mm2
108
Density g/cm3
4.5
Specific Heat Capacity J/kg K
520
Thermal Conductivity W/mK
17
Electrical Insulation Ω mm2/m
0.5

Application areas

In the chemical industry, especially in chloride environments.

Specifications

ASTM B265 Gr7 Sheet/plate, ASTM B337 Gr7 pipe (withdrawn)
ASTM B338 Gr7 heat exchange tube*, ASTM B348 Gr7 bar,
ASTM B367 Gr7 castings
ASTM B381 Gr7 forgings
ASTM F467 Gr7 nuts
ASTM F468 Gr7 bolts
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