AISI 1090 Steel, hot rolled, 19-32 mm (0.75-1.25 in) round

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AISI 1090 Steel, hot rolled, 19-32 mm (0.75-1.25 in) round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; High Carbon Steel
Material Notes:	Applications include edge tools, wear-resistant parts, high-stress flat springs, hot coiled springs, plow beams, plow shares, scraper blades, discs, mower knives, and harrow teeth.
Key Words:	UNS G10900, AMS 5112, ASTM A29, ASTM A510, ASTM A576, SAE J403, SAE J412, SAE J414, DIN 1.1273
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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	248	248
Hardness, Knoop	272	272	Converted from Brinell
Hardness, Rockwell B	98	98	Converted from Brinell
Hardness, Rockwell C	23	23	Converted from Brinell
Hardness, Vickers	261	261	Converted from Brinell
Tensile Strength, Ultimate	841 MPa	122000 psi
Tensile Strength, Yield	460 MPa	66700 psi
Elongation at Break	10 %	10 %	in 50 mm
Reduction of Area	25 %	25 %
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	3.00 J	2.21 ft-lb	annealed at 790°C (1450°F)
	4.00 J	2.95 ft-lb	as rolled
	5.00 J	3.69 ft-lb	normalized at 900°C (1650°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	0.472 J/g-°C	0.113 BTU/lb-°F	Typical steel
Thermal Conductivity	51.9 W/m-K	360 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.85 - 0.98 %	0.85 - 0.98 %
Iron, Fe	98.03 - 98.55 %	98.03 - 98.55 %	As remainder
Manganese, Mn	0.60 - 0.90 %	0.60 - 0.90 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Sulfur, S	<= 0.050 %	<= 0.050 %

References for this datasheet.

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M1090B / 7100

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