Specification of Rhenium Metal Powders + Pellets

Impurities
(max. ppm) 		MMTA
Superalloy Grade		 Isfara
(electrolytic reduction)		 POBEDIT
(hydrogen reduction)		 Typical quality of Re-powder produced from Zhezkazgan APR Re-pellets
Typical quality
SEKOM		 max. allowed for super alloys
Ag 5 2 <  1 5
Al 30 2 - 5 5 2.2 - 5 <  1 30
As 10 0.21 <  2 5
B 20 7.7 <  1 200
Bi 1 0.13 <  2 1
C 30 14 30
Ca 5 7 - 10 50 0.64 <  1 5
Cd 50 13 - 18 <  1 50
Cl 50 2 0.36 50
Co 100 5 - 25 1 - 6 100
Cr 100 5 10 - 13 <  1 100
Cu 70 3 30 3.4 <  1 50
Fe 5 - 30 60 10 - 34 10 50
Ga 50 50
H 50 142 <  10 20
Hf 200 <  5 200
In 50 0.015 50
K 10 9 - 10 10 6.4 - 57 <10 10
Mg 100 4 5 0.27 <  1 100
Mn 20 5 3.2 <  1 20
Mo 500 3 - 5 5 1 - 32 <  3 50
N 50 37 <  10 30
Na 10 3 0.92 <  3 10
Nb/Cb 200 0.062 <  5 200
Ni 100 1 - 2 5 7.6 - 19 <  1 20
O2 300 2425 190 - 379 500
P 200 <  1 0.14 <  3 30
Pb 5 7.8 <  1 2
Pt 30
S 20 500 4.2 <  10 15
Sb 50 <  0.03 5
Se 5 <  0.1 <  2 5
Si 20 30 4.7 <  5 20
Sn 10 0.06 <  2 10
Ta 200 <  20 <  10 200
Te 5 <  5 1
Th 20 <  20 <  5 10
Ti 200 40 0.37 3 50
Tl 5 <  1 1
V 200 2 0.033 200
W 500 3.2- 22 <  8 50
Y 0.019
Zn 50 3 49- 55 <  1 50
Zr 200 0.021 <  1 30
O2+H2O 0.20% 86
Re (min.%) 99.9% 99.99% 99.98% 99.99% 99.95% 99.9%
Size Distribution Ø 42 x 10-15 mm
200-500µ 50% 100 % <  70µ
80-200µ 30%
<  80µ 20%
FSSS 4-6µ

Rhenium pellets are made from above by sintering. Typically the pellets are small bricks of 34 x 39 x 10-15 mm size or round tablets of Ø 42 x 10-15 mm size. The O2+H2O content is dramatically sinks due to sintering to values of below 0.05%.