Alloys

Storage No.ItemRemarksPriceCompartment

N-1-3-1Boron SteelLow carbon steel with boron in extremely75,000/ton24
small quantity for good hardenability.C0.17
Si0.31 Mn0.88 P0.015 S0.026 Cu0.18
Ni0.52 Cr0.41 Mo0.11 B0.0020
2Cast iron withCast iron with ideal microstructure of ferrite 24
spheroidal graphiteor pearite matrix and fully globulized graphite
FCD 40:C3.5 Si2.5 Mn0.33 P0.07 S0.006130~140/kg
Tensile strength:45kg/mm2
FCD 70:C3.1 Si2.1 Mn0.3 P0.06 S0.006 Ni1.2150~170/kg
Tensile strength:78kg/mm2
3Dispersion-Hardened by uniform dispersion of very 24
hardened steelfine particles of Al2O3 in Fe-25Cr-28Ni
base metal.An extremely durable heat-
resistant alloy
4Silicon steel sheetCold-rolled oriented electrical steel strip,230,000/ton24
0.3mm thickness.Si nearly 3%.Extremely
low selenium processing
5Nickel-base superCo18.70 Cr14.53 Mo5.08 Al4.53 Ti3.5810,000~24
heat-resistant alloyZr0.03 C0.12 and Ni12,000/kg
Udimet 700Heat resistivity:900 Celsius
6Cobalt-base superCo40.60 Ni20.35 Cr19.90 Nb+Ta4.054,500~24
heat-resistantFe3.80 Mn1.57 Si0.49 C0.385,000/kg
alloy CT-816 BHeat resistivity:800 Celsius
7Extra superThe strongest sluminium slloy.Zn5.61,200/kg24
DuraluminMg2.5 Cu1.6 Cr0.25 and Al.Tensile
strength:60kg/mm2
N-1-3-8Phosphor bronzeSpring metal.Sn8.37 P0.17 and Cu 24
Tensile strength:74kg/mm2
9Age-hardeningBe2.0 Co0.2 Fe0.15 and Cu 24
beryllium bronzeProperties will change with ageing
10Brass70%Cu 30%Zn550/kg24
11Stainless InvarCo54.5 Fe35.5 Cr10.04,400/kg24
Thermal expansion coefficient:0.05x10-6
(-10 Celsius~+50 Celsius)
12Platinum-iron alloyFe44 Pt564,000/kg24
Thermal expansion coefficient:-23.7x10-6
(-10 Celsius~+40 Celsius)
(This alloy shrinks on heating)
13Constant elasticCo36.6 Fe35.8 Cr10.9 Ni16.72,000/kg24
modulus alloyThermal coefficient nearly zero;
Elkaloy [2](*)Young's modulus is very high