Assab Steels ASSAB XW-5 Cold Work Steel

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Assab Steels ASSAB XW-5 Cold Work Steel
Categories:	Metal; Ferrous Metal; Carbon Steel; High Carbon Steel; Tool Steel; Cold Work Steel
Material Notes:	ASSAB XW-5 is a high-carbon, high chromium tool steel alloyed with tungsten, characterized by: High wear resistance High compressive strength High surface hardness after hardening Good through-hardening properties Good stability in hardening Good resistance to tempering-back Applications: blanking and shearing tools for thin, hard materials long-run press tools forming tools molds for ceramics and abrasive plastics AISI D6, (AISI D3), W.-Nr. 1.2436
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Physical Properties	Original Value	Comments

Density	0.277 lb/in³
	0.275 lb/in³ @Temperature 400 °C
	0.276 lb/in³ @Temperature 200 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	46	900°C Austenitizing temperature, for tempering at 600°C
	48	980°C Austenitizing temperature, for tempering at 600°C
	60.5	900°C Austenitizing temperature, for tempering at 250°C
	62	Hardened and tempered.
	62	980°C Austenitizing temperature, for tempering at 250°C
	64.5	At 920°C during hardening, soaking time: 30 min
	65.5	At 1000°C during hardening, soaking time: 30 min
	65.5	920°C during hardening, soaking time: 60 min
	66.5	At 960°C during hardening, soaking time: 30 min
Modulus of Elasticity	194 GPa
	173 GPa @Temperature 400 °C
Compressive Strength	1320 MPa	HRC 45 R_c0.2
	1860 MPa	HRC 55 R_c0.2
	2210 MPa	HRC 62 R_c0.2.

Thermal Properties	Original Value	Comments
CTE, linear	10.8 µm/m-°C @Temperature 20.0 - 400 °C
	11.0 µm/m-°C @Temperature 20.0 - 200 °C
Specific Heat Capacity	0.110 BTU/lb-°F @Temperature 20.0 °C
Thermal Conductivity	20.5 W/m-K @Temperature 20.0 °C
	21.5 W/m-K @Temperature 200 °C
	23.0 W/m-K @Temperature 400 °C

Component Elements Properties	Original Value	Comments
Carbon, C	2.05 %
Chromium, Cr	12.5 %
Iron, Fe	83.05 %
Manganese, Mn	0.80 %
Silicon, Si	0.30 %
Tungsten, W	1.3 %

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NASSAB02 / 15020

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