AK Steel 410 Cb Martensitic Stainless steel

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AK Steel 410 Cb Martensitic Stainless steel
Categories:	Metal; Ferrous Metal; Martensitic; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	AK Steel 410 Cb is an improved version of standard Type 410. The addition of columbium offers 3 major advantages: 1) Greater ease in heat treating, 2) Higher strength and toughness, 3) Improved grain size control. Information provided by AK Steel
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Physical Properties	Metric	English	Comments

Density	7.73 g/cc	0.279 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	92	92	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1400°F [9.5 mm plate, transverse]
Hardness, Rockwell C	32	32	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 500°F [9.5 mm plate, transverse]
	33	33	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [9.5 mm plate, transverse]
Tensile Strength, Ultimate	655 MPa	95000 psi	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1400°F [9.5 mm plate, transverse]
	1213 MPa	175900 psi	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [9.5 mm plate, transverse]
	1248 MPa	181000 psi	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 500°F [9.5 mm plate, transverse]
Tensile Strength, Yield	503 MPa @Strain 0.2 %, Thickness 9.50 mm	73000 psi @Strain 0.2 %, Thickness 0.374 in	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [plate, transverse]
	924 MPa @Strain 0.2 %, Thickness 9.50 mm	134000 psi @Strain 0.2 %, Thickness 0.374 in	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [plate, transverse]
	1034 MPa @Strain 0.2 %, Thickness 9.50 mm	150000 psi @Strain 0.2 %, Thickness 0.374 in	Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [plate, transverse]
Elongation at Break	14 %	14 %	in 2 inches, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [9.5 mm plate, transverse]
	15 %	15 %	in 2 inches, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 500°F [9.5 mm plate, transverse]
	26 %	26 %	in 2 inches, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1400°F [9.5 mm plate, transverse]
Modulus of Elasticity	200 GPa	29000 ksi
Charpy Impact	11.0 J	8.11 ft-lb	V-Notch, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1000°F [9.5 mm plate, transverse]
	38.0 J	28.0 ft-lb	V-Notch, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 500°F [9.5 mm plate, transverse]
	110 J	81.1 ft-lb	V-Notch, Hardened at 1850°F for 30 min, oil quenched and tempered for 4 hrs at 1400°F [9.5 mm plate, transverse]

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000570 ohm-cm	0.0000570 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	9.90 µm/m-°C @Temperature 0.000 - 100 °C	5.50 µin/in-°F @Temperature 32.0 - 212 °F
	11.6 µm/m-°C @Temperature <=649 °C	6.44 µin/in-°F @Temperature <=1200 °F
Thermal Conductivity	24.8 W/m-K @Temperature 100 °C	172 BTU-in/hr-ft²-°F @Temperature 212 °F
	28.6 W/m-K @Temperature 500 °C	198 BTU-in/hr-ft²-°F @Temperature 932 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.12 %	0.12 %
Chromium, Cr	11.9 %	11.9 %
Iron, Fe	87.348 %	87.348 %	As Remainder
Manganese, Mn	0.19 %	0.19 %
Molybdenum, Mo	0.027 %	0.027 %
Niobium, Nb (Columbium, Cb)	0.15 %	0.15 %
Phosphorus, P	0.021 %	0.021 %
Silicon, Si	0.24 %	0.24 %
Sulfur, S	0.0040 %	0.0040 %

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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NAKS103 / 14706

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