AISI Type A11 Tool Steel (UNS T30111)

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AISI Type A11 Tool Steel (UNS T30111)
Categories:	Metal; Ferrous Metal; Tool Steel; Air-Hardening Steel; Cold Work Steel
Material Notes:	Air-Hardening Cold-Work Tool Steel. Applications: Punches and dies for blanking, piercing, cold heading and cold extrusions. Cold forming rolls. Knives for slitting, pelletizing and woodworking. Screws, nozzles and barrel liners for plastics compounding and injection molding. Powder metal compaction tooling. Data provided by Bohler-Uddeholm and the references(s).
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Physical Properties	Metric	English	Comments

Density	7.420 g/cc	0.2681 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	248 - 269	248 - 269	Annealed/Hardened
Modulus of Elasticity	221 GPa	32100 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	10.7 µm/m-°C @Temperature 20.0 - 93.0 °C	5.94 µin/in-°F @Temperature 68.0 - 199 °F
	11.1 µm/m-°C @Temperature 20.0 - 260 °C	6.17 µin/in-°F @Temperature 68.0 - 500 °F
	11.8 µm/m-°C @Temperature 20.0 - 427 °C	6.56 µin/in-°F @Temperature 68.0 - 801 °F
	12.3 µm/m-°C @Temperature 20.0 - 593 °C	6.83 µin/in-°F @Temperature 68.0 - 1100 °F
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F
Thermal Conductivity	20.39 W/m-K @Temperature 20.0 °C	141.5 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	21.54 W/m-K @Temperature 100 °C	149.5 BTU-in/hr-ft²-°F @Temperature 212 °F
	24.85 W/m-K @Temperature 300 °C	172.5 BTU-in/hr-ft²-°F @Temperature 572 °F
	26.3 W/m-K @Temperature 500 °C	183 BTU-in/hr-ft²-°F @Temperature 932 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	2.4 - 2.5 %	2.4 - 2.5 %
Chromium, Cr	4.75 - 5.5 %	4.75 - 5.5 %
Iron, Fe	78 - 81.4 %	78 - 81.4 %	As Balance
Manganese, Mn	0.35 - 0.60 %	0.35 - 0.60 %
Molybdenum, Mo	1.1 - 1.5 %	1.1 - 1.5 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	0.75 - 1.1 %	0.75 - 1.1 %
Sulfur, S	0.050 - 0.090 %	0.050 - 0.090 %
Tungsten, W	<= 0.50 %	<= 0.50 %
Vanadium, V	9.25 - 10.25 %	9.25 - 10.25 %

References for this datasheet.

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