AISI 1117 Steel, mock carburized at 925°C (1700°F) for 8 hours, 790°C (1450°F) reheat, water quenched, 175°C (350°F) temper, round

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AISI 1117 Steel, mock carburized at 925°C (1700°F) for 8 hours, 790°C (1450°F) reheat, water quenched, 175°C (350°F) temper, round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	Applications include medium duty shafts, studs, pins, distributor cams, cam shafts, and universal joints.
Key Words:	UNS G11170, ASTM A29, ASTM A107, ASTM A108, FED QQ-S-637 (C1117), MIL SPEC MIL-S-18411, SAE J403, SAE J412, SAE J414
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Physical Properties	Metric	English	Comments

Density	7.87 g/cc	0.284 lb/in³	Typical for steel.

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	149 @Diameter 102 mm	149 @Diameter 4.00 in
	156 @Diameter 50.8 mm	156 @Diameter 2.00 in
	183 @Diameter 25.4 mm	183 @Diameter 1.00 in
	235 @Diameter 12.7 mm	235 @Diameter 0.500 in
Hardness, Knoop	169 @Diameter 102 mm	169 @Diameter 4.00 in	Converted from Brinell
	176 @Diameter 50.8 mm	176 @Diameter 2.00 in	Converted from Brinell
	204 @Diameter 25.4 mm	204 @Diameter 1.00 in	Converted from Brinell
	259 @Diameter 12.7 mm	259 @Diameter 0.500 in	Converted from Brinell
Hardness, Rockwell B	80 @Diameter 102 mm	80 @Diameter 4.00 in	Converted from Brinell
	82 @Diameter 50.8 mm	82 @Diameter 2.00 in	Converted from Brinell
	89 @Diameter 25.4 mm	89 @Diameter 1.00 in	Converted from Brinell
	97 @Diameter 12.7 mm	97 @Diameter 0.500 in	Converted from Brinell
Hardness, Rockwell C	21 @Diameter 12.7 mm	21 @Diameter 0.500 in	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	155 @Diameter 102 mm	155 @Diameter 4.00 in	Converted from Brinell
	163 @Diameter 50.8 mm	163 @Diameter 2.00 in	Converted from Brinell
	192 @Diameter 25.4 mm	192 @Diameter 1.00 in	Converted from Brinell
	247 @Diameter 12.7 mm	247 @Diameter 0.500 in	Converted from Brinell
Tensile Strength, Ultimate	515 MPa @Diameter 102 mm	74700 psi @Diameter 4.00 in
	538 MPa @Diameter 50.8 mm	78000 psi @Diameter 2.00 in
	617 MPa @Diameter 25.4 mm	89500 psi @Diameter 1.00 in
	860 MPa @Diameter 12.7 mm	125000 psi @Diameter 0.500 in
Tensile Strength, Yield	295 MPa @Diameter 102 mm	42800 psi @Diameter 4.00 in
	329 MPa @Diameter 50.8 mm	47700 psi @Diameter 2.00 in
	348 MPa @Diameter 25.4 mm	50500 psi @Diameter 1.00 in
	459 MPa @Diameter 12.7 mm	66600 psi @Diameter 0.500 in
Elongation at Break	9.7 % @Diameter 12.7 mm	9.7 % @Diameter 0.500 in	in 50 mm
	22.3 % @Diameter 25.4 mm	22.3 % @Diameter 1.00 in	in 50 mm
	26.3 % @Diameter 50.8 mm	26.3 % @Diameter 2.00 in	in 50 mm
	27.3 % @Diameter 102 mm	27.3 % @Diameter 4.00 in	in 50 mm
Reduction of Area	18.4 % @Diameter 12.7 mm	18.4 % @Diameter 0.500 in
	48.8 % @Diameter 25.4 mm	48.8 % @Diameter 1.00 in
	62.6 % @Diameter 102 mm	62.6 % @Diameter 4.00 in
	65.7 % @Diameter 50.8 mm	65.7 % @Diameter 2.00 in
Modulus of Elasticity	200 GPa	29000 ksi	Typical for steel
Bulk Modulus	160 GPa	23200 ksi	Typical for steel.
Poissons Ratio	0.29	0.29	Typical For Steel
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel.
Izod Impact	81.0 J	59.7 ft-lb	as rolled
	85.0 J	62.7 ft-lb	normalized at 900°C (1650°F)
	94.0 J	69.3 ft-lb	annealed at 855°C (1575°F)

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000174 ohm-cm	0.0000174 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 °C	6.39 µin/in-°F @Temperature 68.0 °F	Typical steel
	12.2 µm/m-°C @Temperature 0.000 - 300 °C	6.78 µin/in-°F @Temperature 32.0 - 572 °F	Typical for steel
	13.9 µm/m-°C @Temperature 0.000 - 500 °C	7.72 µin/in-°F @Temperature 32.0 - 932 °F	Typical for steel
Specific Heat Capacity	0.481 J/g-°C @Temperature >=100 °C	0.115 BTU/lb-°F @Temperature >=212 °F	condition unknown
Thermal Conductivity	51.9 W/m-K	360 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.14 - 0.20 %	0.14 - 0.20 %
Iron, Fe	98.33 - 98.78 %	98.33 - 98.78 %	As remainder
Manganese, Mn	1.0 - 1.3 %	1.0 - 1.3 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Sulfur, S	0.080 - 0.13 %	0.080 - 0.13 %

References for this datasheet.

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M1117W / 7149

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