Uddeholm Orvar Supreme

FOR ALL KINDS OF HOT WORK TOOL APPLICATIONS

Uddeholm Orvar Supreme is Uddeholm’s trusted premium H13 steel for all kinds of hot work tool applications. Proven over and over again, Uddeholm Orvar Supreme has stood the test of time and remains well known in the tooling industry for its high and reliable performance and ease of machining. Orvar Supreme is rated to NADCA (North American Die Casting Association) tool steel standard grade A, premium H13, 10.8 Joules/8 ft-lbs avg toughness and ASTM grain size 7 or finer.

High level of resistance to thermal shock and thermal fatigue
Good high-temperature strength
Excellent toughness and ductility in all directions
Good machinability and polishability
Excellent through-hardening properties
Good dimensional stability during hardening

Uddeholm Orvar Supreme

Hot wear resistance 40%
Plastic deformation resistance 40%
Heat checking resistance 60%
Premature cracking resistance 50%

Reference Grade Hot Work (H13)

Hot wear resistance 40%
Plastic deformation resistance 40%
Heat checking resistance 40%
Premature cracking resistance 35%

Chemical composition

Carbon	0.39	Silicon	1.00	Manganese	0.40
Chromium	5.20	Molybdenum	1.40	Vanadium	0.90

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