ASTM A148 Grade 115-95 Cast Steel

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ASTM A148 Grade 115-95 Cast Steel
Categories:	Metal; Ferrous Metal; ASTM Steel; Carbon Steel; Low Carbon Steel
Material Notes:	High Strength Castings for Structural Purposes
Key Words:	795-655, D50950, SAE 8625
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	270	270
Tensile Strength, Ultimate	910 MPa	132000 psi
Tensile Strength, Yield	730 MPa	106000 psi
Elongation at Break	16 %	16 %
Reduction of Area	34 %	34 %
Modulus of Elasticity	190 GPa	27600 ksi
Poissons Ratio	0.29	0.29
Fatigue Strength	480 MPa	69600 psi
Shear Modulus	73.0 GPa	10600 ksi

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.0000203 ohm-cm	0.0000203 ohm-cm	equal weight 8.5 % IACS
	0.0000233 ohm-cm	0.0000233 ohm-cm	equal volume 7.4 % IACS

Thermal Properties	Metric	English	Comments
Heat of Fusion	250 J/g	108 BTU/lb
CTE, linear	13.0 µm/m-°C	7.22 µin/in-°F
Specific Heat Capacity	0.470 J/g-°C	0.112 BTU/lb-°F
Thermal Conductivity	39.0 W/m-K	271 BTU-in/hr-ft²-°F
Melting Point	1420 °C	2590 °F	solidus
	1460 °C	2660 °F	liquidus
Maximum Service Temperature, Air	420 °C	788 °F	max mechanical

Component Elements Properties	Metric	English	Comments
Carbon, C	0.20 - 0.30 %	0.20 - 0.30 %
Chromium, Cr	0.40 - 0.80 %	0.40 - 0.80 %
Iron, Fe	96.2 - 98.3 %	96.2 - 98.3 %
Manganese, Mn	0.60 - 0.90 %	0.60 - 0.90 %
Molybdenum, Mo	0.15 - 0.30 %	0.15 - 0.30 %
Nickel, Ni	0.40 - 0.80 %	0.40 - 0.80 %
Phosphorus, P	<= 0.050 %	<= 0.050 %
Silicon, Si	<= 0.60 %	<= 0.60 %
Sulfur, S	<= 0.060 %	<= 0.060 %

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MASTMA148b / 313986

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