ASTM A227 Steel Wire, Class I

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ASTM A227 Steel Wire, Class I
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Round, hard drawn steel wire for mechanical springs and wire forms
Key Words:	UNS K06501
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³	Typical of ASTM Steel

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1010 - 1170 MPa @Diameter 15.9 mm	147000 - 170000 psi @Diameter 0.625 in
	1080 - 1240 MPa @Diameter 12.7 mm	156000 - 180000 psi @Diameter 0.500 in
	1150 - 1330 MPa @Diameter 9.52 mm	167000 - 193000 psi @Diameter 0.375 in
	1250 - 1450 MPa @Diameter 6.35 mm	182000 - 210000 psi @Diameter 0.250 in
	1310 - 1500 MPa @Diameter 5.26 mm	190000 - 218000 psi @Diameter 0.207 in
	1340 - 1550 MPa @Diameter 4.50 mm	195000 - 225000 psi @Diameter 0.177 in
	1400 - 1610 MPa @Diameter 3.76 mm	203000 - 234000 psi @Diameter 0.148 in
	1450 - 1660 MPa @Diameter 3.05 mm	210000 - 241000 psi @Diameter 0.120 in
	1520 - 1740 MPa @Diameter 2.34 mm	220000 - 253000 psi @Diameter 0.0920 in
	1600 - 1830 MPa @Diameter 1.83 mm	232000 - 266000 psi @Diameter 0.0720 in
	1680 - 1920 MPa @Diameter 1.37 mm	243000 - 279000 psi @Diameter 0.0540 in
	1760 - 2020 MPa @Diameter 1.04 mm	255000 - 293000 psi @Diameter 0.0410 in
	1830 - 2110 MPa @Diameter 0.813 mm	266000 - 306000 psi @Diameter 0.0320 in
	1900 - 2170 MPa @Diameter 0.660 mm	275000 - 315000 psi @Diameter 0.0260 in
	1950 - 2230 MPa @Diameter 0.508 mm	283000 - 323000 psi @Diameter 0.0200 in
Modulus of Elasticity	200 GPa	29000 ksi	Typical Carbon Steel
Bulk Modulus	160 GPa	23200 ksi	Typical for Steel
Poissons Ratio	0.29	0.29	Typical Carbon Steel
Shear Modulus	80.0 GPa	11600 ksi	Typical for Steel

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000170 ohm-cm	0.0000170 ohm-cm	Typical Carbon Steel

Thermal Properties	Metric	English	Comments
CTE, linear	12.0 µm/m-°C	6.67 µin/in-°F	Typical Carbon Steel
Specific Heat Capacity	0.470 J/g-°C	0.112 BTU/lb-°F	Typical Carbon Steel
Thermal Conductivity	52.0 W/m-K	361 BTU-in/hr-ft²-°F	Typical Carbon Steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.45 - 0.85 %	0.45 - 0.85 %	may not vary by more than .13% in any one lot
Iron, Fe	98.255 %	98.255 %	as balance
Manganese, Mn	0.30 - 1.3 %	0.30 - 1.3 %	may not vary by more than .30% in any one lot
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.050 %	<= 0.050 %

References for this datasheet.

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MSA227I / 142765

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