Bohler-Uddeholm UDDEHOLM ELMAX® Powder Metallurgy Stainless Mold Steel

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Bohler-Uddeholm UDDEHOLM ELMAX® Powder Metallurgy Stainless Mold Steel
Categories:	Metal; Ferrous Metal; Stainless Steel; Tool Steel; Mold Steel
Material Notes:	High chromium-vanadium-molybdenum alloyed steel A through-hardening corrosion resistant mold steel made by powder metallurgy processing techniques. The high wear resistance makes ELMAX® suitable for long production runs; e.g. electronic parts. ELMAX® is characterized by: High wear resistance High compressive strength Corrosion resistant Very good dimensional stability Applications: New types of engineering plastics, with high filler contents, place greater demands on the tooling material, in terms of wear resistance and corrosion resistance. Uddeholm Elmax has been specially developed for high-tech applications. These include products within the electronic industry such as connectors, plugs, switches, resistors, integrated circuits, etc. Uddeholm Elmax can also be used in the food processing industry and for industrial and custom knives, where a combination of corrosion resistance and wear resistance is required
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Physical Properties	Original Value	Comments

Density	0.282 lb/in³	hardened to 58 HRC
	0.277 lb/in³ @Temperature 400 °C	hardened to 58 HRC
	0.280 lb/in³ @Temperature 200 °C	hardened to 58 HRC

Mechanical Properties	Original Value	Comments
Hardness, Brinell	250	Soft annealed (Delivery condition)
Hardness, Rockwell C	48 - 62	tempering temp 210 - 1110°F
Tensile Strength, Yield	260000 psi @Strain 0.2 %	hardened to 50 RC
	310000 psi @Strain 0.2 %	hardened to 55 RC
	335000 psi @Strain 0.2 %	hardened to 60 RC
Modulus of Elasticity	34800 ksi	(hardened to 58 HRC)
	31900 ksi @Temperature 400 °C	hardened to 58 HRC
	33400 ksi @Temperature 200 °C	hardened to 58 HRC
Compressive Yield Strength	2300 MPa	0.2%, hardened to 50 RC
	2700 MPa	0.2%, hardened to 55 RC
	3000 MPa	0.2%, hardened to 60 RC

Thermal Properties	Original Value	Comments
CTE, linear	6.00 µin/in-°F @Temperature 200 °C	hardened to 58 HRC
	6.50 µin/in-°F @Temperature 400 °C	hardened to 58 HRC
Specific Heat Capacity	0.110 BTU/lb-°F @Temperature 20.0 °C	hardened to 58 HRC
Thermal Conductivity	21.0 W/m-K @Temperature 200 °C	hardened to 58 HRC
	23.0 W/m-K @Temperature 400 °C	hardened to 58 HRC

Component Elements Properties	Original Value	Comments
Carbon, C	1.7 %
Chromium, Cr	18 %
Iron, Fe	75.2 %	as balance
Manganese, Mn	0.30 %
Molybdenum, Mo	1.0 %
Silicon, Si	0.80 %
Vanadium, V	3.0 %

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NBUCOR24 / 15493

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