Assab Steels 8407 2M Hot Work Steel

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Assab Steels 8407 2M Hot Work Steel
Categories:	Metal; Ferrous Metal; Chrome-moly Steel; Tool Steel; Hot Work Steel
Material Notes:	ASSAB 8407 is a chromium-molybdenum-vanadium-alloyed steel which is characterized by: Good resistance to abrasion at both low and high temperatures. High level of toughness and ductility Uniform and high level of machinability and polishability Good high-temperature strength and resistance to thermal fatigue. Excellent through-hardening properties Very limited distortion during hardening. Applications: Tools for Extrusion: Dies, backers, die holders, liners, dummy blocks, stems. Plastic molding applications: Injection molding of thermoplastics: long production runs. Molding of parts in thermosetting plastic with finish requirements. AISI H13, W.-Nr. 1.2344
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Physical Properties	Metric	English	Comments

Density	7.78 g/cc	0.281 lb/in³
	7.53 g/cc @Temperature 800 °C	0.272 lb/in³ @Temperature 1470 °F
	7.67 g/cc @Temperature 400 °C	0.277 lb/in³ @Temperature 752 °F

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	31	31	holding time 100 hours at 600°C. Austenitizing temperature 1020°C
	43	43	holding time 10 hours at 600°C. Austenitizing temperature 1020°C
	43	43	holding time 100 hours at 550°C. Austenitizing temperature 1020°C
	46	46	tempering temperature 600°C. Austenitizing temperature 1020°C
	51	51	holding time 10 hours at 500°C. Austenitizing temperature 1020°C
	51	51	holding time 10 hours at 550°C. Austenitizing temperature 1020°C
	51	51	holding time 1 hour at 600°C. Austenitizing temperature 1020°C
	48 - 54	48 - 54	Hardness before tempering. Austenitizing temperature: 1000°C. Soaking time 45 minutes.
	50 - 56	50 - 56	Hardness before tempering. Austenitizing temperature: 1020°C. Soaking time 30 minutes.
	53	53	holding time 10 hours at 500°C tempering temperature
	53	53	holding time 1 hour at 550°C. Austenitizing temperature 1020°C
	54	54	holding time 1 hour at 500°C tempering temperature
	54	54	Taken from tempering graph. At tempering temperature 300°C. Austenitizing temperature 1020°C
Tensile Strength at Break	285 MPa @Temperature 700 °C	41300 psi @Temperature 1290 °F	R_m. Austenitizing temp. 1020°C. Tempering temp. 610°C
	930 MPa @Temperature 550 °C	135000 psi @Temperature 1020 °F	R_m. Austenitizing temp. 1020°C. Tempering temp. 610°C
Tensile Strength, Ultimate	1420 MPa	206000 psi	R_m. 45 HRC.
	1820 MPa	264000 psi	R_m. 52 HRC.
Tensile Strength, Yield	1280 MPa	186000 psi	R_p02. 45 HRC.
	1520 MPa	220000 psi	R_p02. 52 HRC.
	150 MPa @Temperature 700 °C	21800 psi @Temperature 1290 °F	R_p02
	720 MPa @Temperature 550 °C	104000 psi @Temperature 1020 °F	R_p02
Modulus of Elasticity	202.5 GPa	29370 ksi
	130 GPa @Temperature 800 °C	18900 ksi @Temperature 1470 °F
	175 GPa @Temperature 400 °C	25400 ksi @Temperature 752 °F
Impact Test	14.0 J	10.3 ft-lb	During tempering at 550°C tempering temperature (2h + 2h)
	20.0 J	14.8 ft-lb	During tempering at 250°C tempering temperature (2h + 2h)
	22.0 J	16.2 ft-lb	During tempering at 650°C tempering temperature (2h + 2h)

Thermal Properties	Metric	English	Comments
CTE, linear	12.6 µm/m-°C @Temperature 20.0 - 400 °C	7.00 µin/in-°F @Temperature 68.0 - 752 °F
	13.9 µm/m-°C @Temperature 20.0 - 800 °C	7.72 µin/in-°F @Temperature 68.0 - 1470 °F
Thermal Conductivity	24.6 W/m-K @Temperature 20.0 °C	171 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	26.2 W/m-K @Temperature 400 °C	182 BTU-in/hr-ft²-°F @Temperature 752 °F
	27.6 W/m-K @Temperature 800 °C	192 BTU-in/hr-ft²-°F @Temperature 1470 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.39 %	0.39 %
Chromium, Cr	5.3 %	5.3 %
Iron, Fe	90.71 %	90.71 %
Manganese, Mn	0.40 %	0.40 %
Molybdenum, Mo	1.3 %	1.3 %
Silicon, Si	1.0 %	1.0 %
Vanadium, V	0.90 %	0.90 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NASSAB15 / 15033

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