Composition of Materials

All figures are presented in ppm, except where noted and are typical to maximum values.

Symbol Element Agate Carbon Steel Chrome Steel Tungsten Carbide Zirconia
Ag Silver 0.3 <0.2
Al Aluminium Trace 300 300 30 70
As Arsenic <100 <10 <1
Au Gold <0.2 0.04
B Boron <10
Ba Barium <10 160
Br Bromine 1
C Carbon 0.48% 2% 5.50%
Ca Calcium 40 50 150
Cl Chlorine <10
Co Cobalt 30 200 10% 3
Cr Chromium 1200 12% 50 <10
Cs Cesium <1
Cu Copper 250 200 30 <10
Fe Iron Trace 98% 86% 100 70
Ga Galkum 1
Hf Hafnium 1.30%
In Indium 0.01
K Potassium Trace 30 <20
La Lanthanum 7
Mg Magnesium 2%
Mn Manganese Trace 7000 3500 50 3
Mo Molybdenum 100 100 50 <10
N Nitrogen 100 40
Na Sodium Trace <500 30
Nb Niobium 2 50 100 <10
Ni Nickel 200 800 50
P Phosphorus <100 140 30
Pb Lead 5 <100 30 <10
Rb Rubidium <10
Re Rhenium <0.05
S Sulphur <350 100 50
Sb Antimony 10 10 3
Sc Scandium 1
Se Selenium <10
Si Silicon 2500 4500 50 220
Sn Tin 20 <100
Sr Strontium 0.3 1000
Ta Tantalum 0.4 30 <1
Th Thorium 0.4 4
Ti Titanium <100 30 450
U Uranium <1 0.6
V Vanadium <100 200 30 0.1
W Tungsten 7 200 84.50% <2
Zn Zinc 10 <100 30 <10
Zr Zirconium <1 <100 <10 70.30%
Rare earths Element Agate Carbon Steel Chrome Steel Tungsten Carbide Zirconia
Ce Cerium <10
Eu Europium 0.5
Gd Gadolinium <0.5
Lu Lutetium 0.3
Nd Neodymium <1
Sm Samarium <0.1
Tb Terbium <0.3
Y Yttrium 0.1
Yb Ytterbium 1