ASTM A232 Alloy Steel Wire

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ASTM A232 Alloy Steel Wire
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Round, chromium-vanadium, oil-tempered alloy steel wire for manufacturing springs used at elevated temperature
Key Words:	UNS K15047, FED QQ-Q-412
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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	1310 - 1450 MPa @Diameter 12.7 mm	190000 - 210000 psi @Diameter 0.500 in
	1340 - 1480 MPa @Diameter 11.1 mm	194000 - 215000 psi @Diameter 0.437 in
	1380 - 1520 MPa @Diameter 9.53 mm	200000 - 220000 psi @Diameter 0.375 in
	1400 - 1540 MPa @Diameter 7.92 mm	203000 - 223000 psi @Diameter 0.312 in
	1410 - 1550 MPa @Diameter 7.19 mm	205000 - 225000 psi @Diameter 0.283 in
	1450 - 1590 MPa @Diameter 6.20 mm	210000 - 231000 psi @Diameter 0.244 in
	1520 - 1650 MPa @Diameter 4.88 mm	220000 - 239000 psi @Diameter 0.192 in
	1550 - 1690 MPa @Diameter 4.11 mm	225000 - 245000 psi @Diameter 0.162 in
	1620 - 1760 MPa @Diameter 3.43 mm	235000 - 255000 psi @Diameter 0.135 in
	1690 - 1830 MPa @Diameter 2.67 mm	245000 - 265000 psi @Diameter 0.105 in
	1760 - 1900 MPa @Diameter 2.00 mm	255000 - 276000 psi @Diameter 0.0787 in
	1830 - 2000 MPa @Diameter 1.60 mm	265000 - 290000 psi @Diameter 0.0630 in
	1860 - 2030 MPa @Diameter 1.40 mm	270000 - 294000 psi @Diameter 0.0551 in
	1930 - 2100 MPa @Diameter 1.00 mm	280000 - 305000 psi @Diameter 0.0394 in
	2000 - 2170 MPa @Diameter 0.810 mm	290000 - 315000 psi @Diameter 0.0319 in
	2070 - 2240 MPa @Diameter 0.510 mm	300000 - 325000 psi @Diameter 0.0201 in
Reduction of Area	40 % @Diameter 4.11 mm	40 % @Diameter 0.162 in
	40 % @Diameter 4.88 mm	40 % @Diameter 0.192 in
	40 % @Diameter 6.20 mm	40 % @Diameter 0.244 in
	40 % @Diameter 7.19 mm	40 % @Diameter 0.283 in
	40 % @Diameter 7.92 mm	40 % @Diameter 0.312 in
	40 % @Diameter 9.53 mm	40 % @Diameter 0.375 in
	40 % @Diameter 11.1 mm	40 % @Diameter 0.437 in
	40 % @Diameter 12.7 mm	40 % @Diameter 0.500 in
	45 % @Diameter 2.67 mm	45 % @Diameter 0.105 in
	45 % @Diameter 3.43 mm	45 % @Diameter 0.135 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	0.48 - 0.53 %	0.48 - 0.53 %
Chromium, Cr	0.20 - 0.35 %	0.20 - 0.35 %
Iron, Fe	98.0425 %	98.0425 %	as balance
Manganese, Mn	0.70 - 0.90 %	0.70 - 0.90 %
Phosphorus, P	<= 0.020 %	<= 0.020 %
Silicon, Si	0.20 - 0.35 %	0.20 - 0.35 %
Sulfur, S	<= 0.035 %	<= 0.035 %
Vanadium, V	>= 0.15 %	>= 0.15 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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MSA232 / 142773

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