Alloys |
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Storage No. | Item | Remarks | Price | Compartment |
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N-1-3-1 | Boron Steel | Low carbon steel with boron in extremely | 75,000/ton | 24 |
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| | small quantity for good hardenability.C0.17 | | |
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| | Si0.31 Mn0.88 P0.015 S0.026 Cu0.18 | | |
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| | Ni0.52 Cr0.41 Mo0.11 B0.0020 | | |
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2 | Cast iron with | Cast iron with ideal microstructure of ferrite | | 24 |
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| spheroidal graphite | or pearite matrix and fully globulized graphite | | |
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| | FCD 40:C3.5 Si2.5 Mn0.33 P0.07 S0.006 | 130~140/kg | |
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| | Tensile strength:45kg/mm2 | | |
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| | FCD 70:C3.1 Si2.1 Mn0.3 P0.06 S0.006 Ni1.2 | 150~170/kg | |
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| | Tensile strength:78kg/mm2 | | |
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3 | Dispersion- | Hardened by uniform dispersion of very | | 24 |
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| hardened steel | fine particles of Al2O3 in Fe-25Cr-28Ni | | |
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| | base metal.An extremely durable heat- | | |
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| | resistant alloy | | |
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4 | Silicon steel sheet | Cold-rolled oriented electrical steel strip, | 230,000/ton | 24 |
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| | 0.3mm thickness.Si nearly 3%.Extremely | | |
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| | low selenium processing | | |
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5 | Nickel-base super | Co18.70 Cr14.53 Mo5.08 Al4.53 Ti3.58 | 10,000~ | 24 |
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| heat-resistant alloy | Zr0.03 C0.12 and Ni | 12,000/kg | |
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| Udimet 700 | Heat resistivity:900 Celsius | | |
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6 | Cobalt-base super | Co40.60 Ni20.35 Cr19.90 Nb+Ta4.05 | 4,500~ | 24 |
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| heat-resistant | Fe3.80 Mn1.57 Si0.49 C0.38 | 5,000/kg | |
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| alloy CT-816 B | Heat resistivity:800 Celsius | | |
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7 | Extra super | The strongest sluminium slloy.Zn5.6 | 1,200/kg | 24 |
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| Duralumin | Mg2.5 Cu1.6 Cr0.25 and Al.Tensile | | |
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| | strength:60kg/mm2 | | |
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N-1-3-8 | Phosphor bronze | Spring metal.Sn8.37 P0.17 and Cu | | 24 |
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| | Tensile strength:74kg/mm2 | | |
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9 | Age-hardening | Be2.0 Co0.2 Fe0.15 and Cu | | 24 |
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| beryllium bronze | Properties will change with ageing | | |
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10 | Brass | 70%Cu 30%Zn | 550/kg | 24 |
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11 | Stainless Invar | Co54.5 Fe35.5 Cr10.0 | 4,400/kg | 24 |
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| | Thermal expansion coefficient:0.05x10-6 | | |
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| | (-10 Celsius~+50 Celsius) | | |
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12 | Platinum-iron alloy | Fe44 Pt56 | 4,000/kg | 24 |
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| | Thermal expansion coefficient:-23.7x10-6 | | |
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| | (-10 Celsius~+40 Celsius) | | |
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| | (This alloy shrinks on heating) | | |
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13 | Constant elastic | Co36.6 Fe35.8 Cr10.9 Ni16.7 | 2,000/kg | 24 |
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| modulus alloy | Thermal coefficient nearly zero; | | |
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| Elkaloy [2](*) | Young's modulus is very high | | |
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