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	Original Value	Comments

Density	7.420 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	248 - 269	Annealed/Hardened
Modulus of Elasticity	221 GPa

Thermal Properties	Original Value	Comments
CTE, linear	10.7 µm/m-°C @Temperature 20.0 - 93.0 °C
	11.1 µm/m-°C @Temperature 20.0 - 260 °C
	11.8 µm/m-°C @Temperature 20.0 - 427 °C
	12.3 µm/m-°C @Temperature 20.0 - 593 °C
Specific Heat Capacity	0.460 J/g-°C
Thermal Conductivity	20.39 W/m-K @Temperature 20.0 °C
	21.54 W/m-K @Temperature 100 °C
	24.85 W/m-K @Temperature 300 °C
	26.3 W/m-K @Temperature 500 °C

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

References for this datasheet.

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MSTA11 / 231067

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