Bohler-Uddeholm BÖHLER W302 ISOBLOC® H13 hot work tool steel

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Bohler-Uddeholm BÖHLER W302 ISOBLOC® H13 hot work tool steel
Categories:	Metal; Ferrous Metal; Tool Steel; Mold Steel
Material Notes:	Properties:Hot work tool steel featuring excellent hot tensile properties, high hot wear resistance, adequate toughness and heat checking resistance, adequate toughness and heat checking; admits water cooling. BOHLER W302 is also available int eh special grades ISODISC and ISOBLOC with improved homogeneity and increased toughness. Application:Heavy duty hot work tools and dies, mainly for light alloy processing: mandrels, dies, and containers for metal tube and rod extrusion, hot extrusion equipment; tools and dies for the manufacture of hollow bodies, screws, rivets, nuts and bolts. Die casting equipment, forming dies, die inserts, hot shear blades, and plastic molding dies.
Key Words:	AISI H13; DIN 1.2344; JIS SKD61; ISO 40CrMoV5
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Physical Properties	Metric	English	Comments

Density	7.60 g/cc @Temperature 800 °C	0.275 lb/in³ @Temperature 1470 °F
	7.64 g/cc @Temperature 500 °C	0.276 lb/in³ @Temperature 932 °F
	7.80 g/cc @Temperature 20.0 °C	0.282 lb/in³ @Temperature 68.0 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1100 - 1380 MPa @Temperature 315 °C	160000 - 200000 psi @Temperature 599 °F	varies with heat treatment
	1200 - 1590 MPa @Temperature 20.0 °C	174000 - 231000 psi @Temperature 68.0 °F	varies with heat treatment
Tensile Strength, Yield	900 - 1170 MPa @Temperature 315 °C	131000 - 170000 psi @Temperature 599 °F	varies with heat treatment
	1000 - 1380 MPa @Temperature 20.0 °C	145000 - 200000 psi @Temperature 68.0 °F	varies with heat treatment
Reduction of Area	50 % @Temperature 20.0 °C	50 % @Temperature 68.0 °F
	50 % @Temperature 315 °C	50 % @Temperature 599 °F
Modulus of Elasticity	165 GPa @Temperature 600 °C	23900 ksi @Temperature 1110 °F
	176 GPa @Temperature 500 °C	25500 ksi @Temperature 932 °F
	215 GPa @Temperature 20.0 °C	31200 ksi @Temperature 68.0 °F

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000520 ohm-cm @Temperature 20.0 °C	0.0000520 ohm-cm @Temperature 68.0 °F
	0.0000860 ohm-cm @Temperature 500 °C	0.0000860 ohm-cm @Temperature 932 °F
	0.0000960 ohm-cm @Temperature 600 °C	0.0000960 ohm-cm @Temperature 1110 °F

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 - 100 °C	6.39 µin/in-°F @Temperature 68.0 - 212 °F
	12.0 µm/m-°C @Temperature 20.0 - 200 °C	6.67 µin/in-°F @Temperature 68.0 - 392 °F
	12.2 µm/m-°C @Temperature 20.0 - 300 °C	6.78 µin/in-°F @Temperature 68.0 - 572 °F
	12.5 µm/m-°C @Temperature 20.0 - 400 °C	6.94 µin/in-°F @Temperature 68.0 - 752 °F
	12.9 µm/m-°C @Temperature 20.0 - 500 °C	7.17 µin/in-°F @Temperature 68.0 - 932 °F
	13.0 µm/m-°C @Temperature 20.0 - 600 °C	7.22 µin/in-°F @Temperature 68.0 - 1110 °F
	13.2 µm/m-°C @Temperature 20.0 - 700 °C	7.33 µin/in-°F @Temperature 68.0 - 1290 °F
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C	0.110 BTU/lb-°F @Temperature 68.0 °F
	0.550 J/g-°C @Temperature 500 °C	0.131 BTU/lb-°F @Temperature 932 °F
	0.590 J/g-°C @Temperature 600 °C	0.141 BTU/lb-°F @Temperature 1110 °F
Thermal Conductivity	24.3 W/m-K @Temperature 100 °C	169 BTU-in/hr-ft²-°F @Temperature 212 °F	Hardened and Tempered
	26.1 W/m-K @Temperature 200 °C	181 BTU-in/hr-ft²-°F @Temperature 392 °F	Hardened and Tempered
	27.3 W/m-K @Temperature 300 °C	189 BTU-in/hr-ft²-°F @Temperature 572 °F	Hardened and Tempered
	27.3 W/m-K @Temperature 700 °C	189 BTU-in/hr-ft²-°F @Temperature 1290 °F	Hardened and Tempered
	27.5 W/m-K @Temperature 600 °C	191 BTU-in/hr-ft²-°F @Temperature 1110 °F	Hardened and Tempered
	27.7 W/m-K @Temperature 500 °C	192 BTU-in/hr-ft²-°F @Temperature 932 °F	Hardened and Tempered
	27.8 W/m-K @Temperature 400 °C	193 BTU-in/hr-ft²-°F @Temperature 752 °F	Hardened and Tempered

Component Elements Properties	Metric	English	Comments
Carbon, C	0.39 %	0.39 %
Chromium, Cr	5.2 %	5.2 %
Iron, Fe	90.6 %	90.6 %	As Balance
Manganese, Mn	0.40 %	0.40 %
Molybdenum, Mo	1.4 %	1.4 %
Silicon, Si	1.1 %	1.1 %
Vanadium, V	0.95 %	0.95 %

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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