AISI Type H12 Hot Work Tool Steel

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AISI Type H12 Hot Work Tool Steel
Categories:	Metal; Ferrous Metal; Tool Steel; Hot Work Steel
Material Notes:	Oversized Charpy specimens austenitized at 1010°C for 1 hr., air-cooled, and double tempered to indicated hardness in Charpy Impact notes prior to grinding to finished size
Key Words:	UNS T20812, ASTM A681, FED QQ-T-570, SAE J437, SAE J438, SAE J467, DIN 1.2606, UNI X 35 CrMoW 05 KU, JIS SKD 62, B.S. BH 12 (UK)
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Physical Properties	Metric	English	Comments

Density	7.81 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Bulk Modulus	160 GPa	23200 ksi	Typical for steel.
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel.

Component Elements Properties	Metric	English	Comments
Carbon, C	0.30 - 0.40 %	0.30 - 0.40 %
Chromium, Cr	4.75 - 5.5 %	4.75 - 5.5 %
Iron, Fe	90.2 - 92.7 %	90.2 - 92.7 %	As Balance
Molybdenum, Mo	1.25 - 1.75 %	1.25 - 1.75 %
Tungsten, W	1.0 - 1.7 %	1.0 - 1.7 %
Vanadium, V	<= 0.50 %	<= 0.50 %

References for this datasheet.

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MSTH12A / 14075

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