ASTM A227M Steel Wire, Class II

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ASTM A227M Steel Wire, Class II
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	1370 - 1550 MPa @Diameter 8.00 mm	199000 - 225000 psi @Diameter 0.315 in
	1410 - 1600 MPa @Diameter 7.00 mm	205000 - 232000 psi @Diameter 0.276 in
	1470 - 1650 MPa @Diameter 6.00 mm	213000 - 239000 psi @Diameter 0.236 in
	1510 - 1700 MPa @Diameter 5.00 mm	219000 - 247000 psi @Diameter 0.197 in
	1590 - 1800 MPa @Diameter 4.00 mm	231000 - 261000 psi @Diameter 0.157 in
	1680 - 1900 MPa @Diameter 3.00 mm	244000 - 276000 psi @Diameter 0.118 in
	1810 - 2040 MPa @Diameter 2.00 mm	263000 - 296000 psi @Diameter 0.0787 in
	1880 - 2120 MPa @Diameter 1.60 mm	273000 - 307000 psi @Diameter 0.0630 in
	2040 - 2310 MPa @Diameter 1.00 mm	296000 - 335000 psi @Diameter 0.0394 in
	2140 - 2410 MPa @Diameter 0.700 mm	310000 - 350000 psi @Diameter 0.0276 in
	2200 - 2480 MPa @Diameter 0.600 mm	319000 - 360000 psi @Diameter 0.0236 in
	2240 - 2520 MPa @Diameter 0.500 mm	325000 - 365000 psi @Diameter 0.0197 in
	2100 - 2730 MPa @Diameter 0.800 mm	305000 - 396000 psi @Diameter 0.0315 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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MSA227MII / 142768

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