AISI E 52100 Steel (100Cr6, SUJ2, UNS G52986)

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AISI E 52100 Steel (100Cr6, SUJ2, UNS G52986)
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 5000 Series Steel; Low Alloy Steel; Carbon Steel; High Carbon Steel
Material Notes:	E52100 has metallurgical and processing characteristics similar to alloy TBS-9.
Key Words:	UNI 100 Cr 6 (Ital.), B.S. 534 A 99, B.S. 535 A 99, ASTM A 295, ASTM A295, ASTM A519, ASTM A535, ASTM A646, ASTM A711, MIL SPEC MIL-S-980, MIL SPEC MIL-S-7420, MIL SPEC MIL-S-22141, SAE J404, SAE J412, SAE J770, DIN 1.3505, AFNOR 100 C 6(Fr), 100Cr6, UNS G52986, AMS 6440, AMS 6441, AMS 6444, AMS 6447, ASTM A322, ASTM A331, ASTM A505; SUJ2
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Physical Properties	Original Value	Comments

Density	7.81 g/cc	annealed

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	55 @Temperature 593 °C
Hardness, Rockwell C	62	quenched in oil from 150°C tempered. (after 1 hour at tempering temperature)
	64	quenched in water from 150°C tempered. (after 1 hour at tempering temperature)
	64	quenched in oil
	66	quenched in water
	11 @Temperature 471 °C
	20 @Temperature 427 °C
	42 @Temperature 316 °C
	53 @Temperature 204 °C
	59 @Temperature 93.3 °C
	61 @Temperature -17.8 °C
Hardness, Vickers	100 @Temperature 588 °C
	140 @Temperature 538 °C
	250 @Temperature 427 °C
	420 @Temperature 316 °C
	580 @Temperature 204 °C
	690 @Temperature 93.3 °C
	710 @Temperature -17.8 °C
Modulus of Elasticity	210 GPa
Bulk Modulus	160 GPa	Typical for steels.
Poissons Ratio	0.30	Calculated
Fracture Toughness	14.0 - 17.0 ksi-in½	cracks originating in case; case depth 0.30 to 0.35 in.
Machinability	40 %	spheroidized annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steel

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000219 ohm-cm	Typical 5000 series steel

Thermal Properties	Original Value	Comments
CTE, linear	11.9 µm/m-°C @Temperature 23.0 - 280 °C	annealed
	12.5 µm/m-°C @Temperature 23.0 - 280 °C	hardened
Specific Heat Capacity	0.475 J/g-°C	Typical 5000 series steel
Thermal Conductivity	46.6 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.98 - 1.1 %
Chromium, Cr	1.3 - 1.6 %
Iron, Fe	96.5 - 97.32 %	As remainder
Manganese, Mn	0.25 - 0.45 %
Phosphorus, P	<= 0.025 %
Silicon, Si	0.15 - 0.30 %
Sulfur, S	<= 0.025 %

References for this datasheet.

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M521AA / 8220

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