Sandvik Bioline 4C27A Free-cutting wire

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Sandvik Bioline 4C27A Free-cutting wire
Categories:	Metal; Ferrous Metal; Stainless Steel
Material Notes:	Sandvik Bioline 4C27A is a hardenable stainless chromium steel alloyed with molybdenum. This grade is supplied in wire form. It is characterized by: Very good machinability High wear resistance Good toughness Good corrosion resistance due to addition of molybdenum Sandvik Bioline 4C27A is used for the manufacture of precision components such as watch parts, measuring points, dental tools, precision instruments and drilled surgical needles. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	<= 800 MPa @Diameter 0.600 - 3.00 mm	Wire in coils, Annealed
	<= 800 MPa @Diameter 0.600 - 10.0 mm	Straightened wire, Annealed
	<= 800 MPa @Diameter 0.600 - 10.0 mm	Straightened wire, Annealed
	850 MPa @Diameter 5.00 - 10.0 mm	Straightened wire, Drawn/ground
	850 MPa @Diameter 5.00 - 10.0 mm	Straightened wire, Drawn
	950 MPa @Diameter 0.600 - 3.00 mm	Straightened wire, Drawn/ground
	950 MPa @Diameter 3.00 - 5.00 mm	Straightened wire, Drawn/ground
	950 MPa @Diameter 0.600 - 3.00 mm	Straightened wire, Drawn
	950 MPa @Diameter 3.00 - 5.00 mm	Straightened wire, Drawn
	950 MPa @Diameter 0.450 - 4.00 mm	Wire in coils, Drawn
Tensile Strength, Yield	>= 450 MPa @Diameter 0.600 - 3.00 mm, Strain 0.2 %	Wire in coils, Annealed
	>= 450 MPa @Diameter 0.600 - 10.0 mm, Strain 0.2 %	Straightened wire, Annealed
	>= 450 MPa @Diameter 0.600 - 10.0 mm, Strain 0.2 %	Straightened wire, Annealed
	>= 650 MPa @Diameter 5.00 - 10.0 mm, Strain 0.2 %	Straightened wire, Drawn/ground
	>= 650 MPa @Diameter 5.00 - 10.0 mm, Strain 0.2 %	Straightened wire, Drawn
	>= 700 MPa @Diameter 0.450 - 4.00 mm, Strain 0.2 %	Wire in coils, Drawn
	>= 770 MPa @Diameter 0.600 - 3.00 mm, Strain 0.2 %	Straightened wire, Drawn
	>= 770 MPa @Diameter 3.00 - 5.00 mm, Strain 0.2 %	Straightened wire, Drawn
	>= 770 MPa @Diameter 0.600 - 3.00 mm, Strain 0.2 %	Straightened wire, Drawn/ground
	>= 770 MPa @Diameter 3.00 - 5.00 mm, Strain 0.2 %	Straightened wire, Drawn/ground
Elongation at Break	10 % @Diameter 0.600 - 3.00 mm	Straightened wire, Drawn
	10 % @Diameter 3.00 - 5.00 mm	Straightened wire, Drawn
	10 % @Diameter 0.450 - 4.00 mm	Wire in coils, Drawn
	10 % @Diameter 0.600 - 3.00 mm	Straightened wire, Drawn/ground
	10 % @Diameter 3.00 - 5.00 mm	Straightened wire, Drawn/ground
	11 % @Diameter 5.00 - 10.0 mm	Straightened wire, Drawn/ground
	11 % @Diameter 5.00 - 10.0 mm	Straightened wire, Drawn
	25 % @Diameter 0.600 - 10.0 mm	Straightened wire, Annealed
	25 % @Diameter 0.600 - 10.0 mm	Straightened wire, Annealed
	25 % @Diameter 0.600 - 3.00 mm	Wire in coils, Annealed

Thermal Properties	Original Value	Comments
CTE, linear	10.5 µm/m-°C @Temperature 30.0 - 100 °C	Cold drawn
	11.0 µm/m-°C @Temperature 30.0 - 200 °C	Cold drawn
	11.0 µm/m-°C @Temperature 30.0 - 100 °C	Heat treated
	11.5 µm/m-°C @Temperature 30.0 - 200 °C	Heat treated
	11.5 µm/m-°C @Temperature 30.0 - 300 °C	Heat treated
	11.5 µm/m-°C @Temperature 30.0 - 300 °C	Cold drawn

Component Elements Properties	Original Value	Comments
Carbon, C	0.22 %
Chromium, Cr	13 %
Manganese, Mn	1.3 %
Molybdenum, Mo	1.2 %
Nickel, Ni	0.80 %
Phosphorus, P	<= 0.030 %
Silicon, Si	0.60 %
Sulfur, S	0.20 %

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NSANDV5185 / 199749

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