67SiCr5 (DIN 17221 spring steel grade)

Category Type Material
Ferrous Metals Spring Steel

show all types of Ferrous Metals

 38Si6 (DIN EN 10132-4 spring steel grade)
50CrV4 (DIN EN 10277 spring steel grade)
56Si7 (DIN EN 10132-4 spring steel grade)
67SiCr5 (DIN 17221 spring steel grade)

Data Table for: Ferrous Metals: Spring Steel: 67SiCr5 (DIN 17221 spring steel grade)

Mechanical Properties

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

Physical Properties

Quantity Value Unit
Melting temperature 1540 - 1540 °C
Density 7850 - 7850 kg/m3
Electrochemical potential -0.45 - -0.45 V

Environmental Data

Quantity Value Unit
Eco indicator 95 4.381 mPt
EPS 1110 mELU
Ex (in) / Ex (out) 3.30655957161981 MJ/MJ
GER 22.8 MJ
Raw materials input 3.13486821502064 kg
Solid 0.0121845 kg
Eco indicator 99 0.0859 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.
Author: Idemat 2003, Design for Sustainability, Delft University of Technology

General

     
Synonyms 1.7103 (DIN steel number)
9254 (USA SAE/AISI/ASTM)
Remarks Composition of 67SiCr5 (DIN 17221 spring steel grade) in weight %: Ferro (Fe) rest, Carbon (C) 0.62-0.72, Silicon (Si) 1.20-1.40, Chromium (Cr) 0.40-0.60.

Sample: Spring Steel

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