55Si7

Category Type Material
Ferrous Metals Spring Steel

show all types of Ferrous Metals

 38Si6
50CrV4
55Si7
67SiCr5

Data Table for: Ferrous Metals: Spring Steel: 55Si7

Mechanical Properties

Quantity Value Unit
Young's modulus 210000 - 210000 MPa
Tensile strength 1500 - 1700 MPa
Elongation 6 - 6 %
Yield strength 1100 - 1100 MPa

Physical Properties

Quantity Value Unit
Melting temperature 1500 - 1500 °C
Density 7850 - 7850 kg/m3
Electrochemical potential -0.45 - -0.45 V

Environmental Data

Quantity Value Unit
Eco indicator 95 4.355 mPt
EPS 965 mELU
Ex (in) / Ex (out) 3.24468085106383 MJ/MJ
GER 22.5 MJ
Raw materials input 3.09921399373062 kg
Solid 0.0119913 kg
Eco indicator 99 0.0853 Pt
Environmental remarks Environmental data for the production of 1 kg crude steel from SPIN. Transport is added. The coal comes for 65% from Canada, 23% Australia, 12% from the EEC. Iron ore comes for 37% from Brasil, 21% Australia, 31% Europe and the remaining 11% from elsewhere. Lime is imported from Belgium. Metallic alloy elements are assumed to be added in the required percetages. For details on the winning and refining of the elements see [Metallic Elements]. The production and emission data are for 1989.

General

     
Remarks (Fe rest, C 0.52-0.60, Si 1.50-1.80, Mn 0.70-1.10 (wt.%))

Sample: Spring Steel

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