AISI Type A5 Tool Steel

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AISI Type A5 Tool Steel
Categories:	Metal; Ferrous Metal; Tool Steel; Air-Hardening Steel; Cold Work Steel
Material Notes:	High hardenability, high degree of dimensional stability in heat treatment, good wear resistance, fatigue life, toughness, and deep hardening qualities. Applications include cold forming, blanking and bending dies, forming rolls, drill bushings, knurling tools, master dies and gages.
Key Words:	AISI Medium-Alloy, Air-Hardening Tool Steels A5, UNS T30105, ASTM A681, FED QQ-T-570
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Physical Properties	Metric	English	Comments

Density	8.03 g/cc	0.290 lb/in³	(A6)

Mechanical Properties	Metric	English	Comments
Bulk Modulus	160 GPa	23200 ksi	Typical for steels.
Machinability	65 %	65 %	Based on Carbon tool steel.
Shear Modulus	80.0 GPa	11600 ksi	Typical for steels.

Component Elements Properties	Metric	English	Comments
Carbon, C	0.95 - 1.05 %	0.95 - 1.05 %
Chromium, Cr	1.05 %	1.05 %
Iron, Fe	94 %	94 %	As Balance
Manganese, Mn	3.0 %	3.0 %
Molybdenum, Mo	0.33 %	0.33 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	<= 0.50 %	<= 0.50 %
Sulfur, S	<= 0.030 %	<= 0.030 %

References for this datasheet.

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MSTA5A / 14098

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