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Elmet Technologies

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Sandvik 12R10 Spring Wire
Categories: Metal; Ferrous Metal; Special-Purpose Steel

Material Notes: Sandvik 12R10/T302 are general purpose steel grades which meet most requirements with regard to mechanical properties and corrosion resistance.

Service temperature: -200 to 250 °C (-330 to 480°F)

Information provided by Sandvik

ASTM 302; EN 1.4310

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Physical PropertiesOriginal ValueComments
Density 7.90 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 1400 MPa
@Thickness 7.00 - 8.50 mm
 1450 MPa
@Thickness 6.00 - 7.00 mm
 1505 MPa
@Thickness 5.00 - 6.00 mm
 1560 MPa
@Thickness 4.25 - 5.00 mm
 1615 MPa
@Thickness 3.50 - 4.25 mm
 1665 MPa
@Thickness 3.00 - 3.50 mm
 1720 MPa
@Thickness 2.50 - 3.00 mm
 1775 MPa
@Thickness 2.00 - 2.50 mm
 1830 MPa
@Thickness 1.75 - 2.00 mm
 1880 MPa
@Thickness 1.50 - 1.75 mm
 1935 MPa
@Thickness 1.25 - 1.50 mm
 1990 MPa
@Thickness 1.00 - 1.25 mm
 2045 MPa
@Thickness 0.800 - 1.00 mm
 2095 MPa
@Thickness 0.650 - 0.800 mm
 2150 MPa
@Thickness 0.500 - 0.650 mm
 2200 MPa
@Thickness 0.400 - 0.500 mm
 2260 MPa
@Thickness 0.300 - 0.400 mm
 2310 MPa
@Thickness 0.200 - 0.300 mm
 1345 MPa
@Diameter 8.50 - 10.0 mm
 2365 MPa
@Diameter 0.150 - 0.200 mm
Tensile Strength, Yield 1120 MPa
@Thickness 7.00 - 8.50 mm
 1160 MPa
@Thickness 6.00 - 7.00 mm
 1205 MPa
@Thickness 5.00 - 6.00 mm
 1250 MPa
@Thickness 4.25 - 5.00 mm
 1290 MPa
@Thickness 3.50 - 4.25 mm
 1330 MPa
@Thickness 3.00 - 3.50 mm
 1375 MPa
@Thickness 2.50 - 3.00 mm
 1420 MPa
@Thickness 2.00 - 2.50 mm
 1465 MPa
@Thickness 1.75 - 2.00 mm
 1505 MPa
@Thickness 1.50 - 1.75 mm
 1550 MPa
@Thickness 1.25 - 1.50 mm
 1590 MPa
@Thickness 1.00 - 1.25 mm
 1635 MPa
@Thickness 0.800 - 1.00 mm
 1680 MPa
@Thickness 0.650 - 0.800 mm
 1720 MPa
@Thickness 0.500 - 0.650 mm
 1760 MPa
@Thickness 0.400 - 0.500 mm
 1810 MPa
@Thickness 0.300 - 0.400 mm
 1850 MPa
@Thickness 0.200 - 0.300 mm
 1075 MPa
@Diameter 8.50 - 10.0 mm,
Strain 0.2 %
 1890 MPa
@Diameter 0.150 - 0.200 mm,
Strain 0.2 %
Modulus of Elasticity 185 GPaas delivered
 190 GPaas tempered
Poissons Ratio 0.30Calculated
Shear Modulus 71.0 GPaas received
 73.0 GPaas tempered
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000800 ohm-cm
@Temperature 20.0 °C
 0.0000950 ohm-cm
@Temperature 300 °C
 0.850 ohm-cm
@Temperature 100 °C
 0.900 ohm-cm
@Temperature 200 °C
Magnetic Permeability 10µ
 
Thermal PropertiesOriginal ValueComments
CTE, linear 17.0 µm/m-°C
@Temperature 20.0 - 100 °C
 17.5 µm/m-°C
@Temperature 20.0 - 200 °C
 18.5 µm/m-°C
@Temperature 20.0 - 300 °C
Specific Heat Capacity 0.500 J/g-°C
@Temperature 50.0 - 100 °C
Thermal Conductivity 15.0 W/m-K
@Temperature 20.0 °C
 16.0 W/m-K
@Temperature 100 °C
 18.0 W/m-K
@Temperature 200 °C
 19.0 W/m-K
@Temperature 300 °C
Maximum Service Temperature, Air 250 °C
Minimum Service Temperature, Air -200 °C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.070 %T302
 0.080 %12R10
Chromium, Cr 18 %12R10
 18.5 %T302
Iron, Fe 43.6 %As Balance
Magnesium, Mg 1.3 %T302
Manganese, Mn 1.2 %12R10
Nickel, Ni 8.0 %T302
 8.2 %12R10
Phosphorus, P <= 0.035 %T302
 <= 0.040 %12R10
Silicon, Si 0.50 %12R10
 0.50 %T302
Sulfur, S <= 0.010 %12R10
 <= 0.015 %T302

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