Assab Steels VANADIS 4 Cold Work Steel

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Assab Steels VANADIS 4 Cold Work Steel
Categories:	Metal; Ferrous Metal; Chrome-moly Steel; Tool Steel; Cold Work Steel
Material Notes:	VANADIS 4 is a chromium-molybdenum-vanadium alloyed steel which is characterized by: High wear resistance High compressive strength Very good through-hardening properties Very good toughness Excellent dimensional stability after hardening and tempering Good resistance to tempering back VANADIS 4 is especially suitable for applications where adhesive wear and/or chipping are the dominating problems, i.e. with soft/adherent materials such as austenitic stainless steel, mild steel, copper, aluminum, etc. as work material with thicker work material Examples: blanking and forming Fine blanking Cold extrusion tooling Powder pressing Deep drawing Knives
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Physical Properties	Original Value	Comments

Density	0.273 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	55	980°C Austenitizing temperature, for tempering at 300°C
	56.5	1000°C Austenitizing temperature, for tempering at 300°C
	58	1020°C Austenitizing temperature, for tempering at 300°C
	58.5	980°C Austenitizing temperature, for tempering at 500°C
	59.5	At 1000°C Austenitizing temperature
	59.5	1060°C Austenitizing temperature, for tempering at 300°C
	59.5	1000°C Austenitizing temperature, for tempering at 500°C
	60	Hardened and tempered.
	61	1020°C Austenitizing temperature, for tempering at 500°C
	63	1060°C Austenitizing temperature, for tempering at 500°C
	63	At 1040°C Austenitizing temperature
	64	At 1080°C Austenitizing temperature
Modulus of Elasticity	200 GPa
	170 GPa @Temperature 400 °C
Impact Test	50.0 J	tempering temperature of 500°C. Specimen size: 7x10x55 mm unnotched. Hardened at 1020°C. Quenched in air. Tempered twice
	83.5 J	tempering temperature of 275°C. Specimen size: 7x10x55 mm unnotched. Hardened at 1020°C. Quenched in air. Tempered twice
	95.0 J	tempering temperature of 600°C. Specimen size: 7x10x55 mm unnotched. Hardened at 1020°C. Quenched in air. Tempered twice

Thermal Properties	Original Value	Comments
CTE, linear	10.8 µm/m-°C @Temperature 20.0 - 200 °C
	11.9 µm/m-°C @Temperature 20.0 - 400 °C
Specific Heat Capacity	0.110 BTU/lb-°F @Temperature 20.0 °C
Thermal Conductivity	26.0 W/m-K @Temperature 20.0 °C
	27.0 W/m-K @Temperature 200 °C
	28.5 W/m-K @Temperature 400 °C

Component Elements Properties	Original Value	Comments
Carbon, C	1.5 %
Chromium, Cr	8.0 %
Iron, Fe	83.6 %
Manganese, Mn	0.40 %
Molybdenum, Mo	1.5 %
Silicon, Si	1.0 %
Vanadium, V	4.0 %

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NASSAB06 / 15024

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