H-13

Aluminum AISI Type H13 Hot Work Tool Steel

Subcategories: Aluminum Alloy; 5000 Series Aluminum Alloy

Close Analogs:

Key Words:  UNS T20813, ASTM A681, FED QQ-T-570, BS 4659 BH13, BS 4659 H13, BS EN ISO 4957 :2000 X40CrMoV5-1, Werkstoff 1.2344

Component Weight %
C 0.32-0.40
Cr 5.13-5.25
Fe Min 90.95
Mo 1.33-1.4
Si 1.0
V 1.0
Physical Properties Metric English Comments Cold Head Hot Forge Wire Form
Density 7.80 g/cc 0.282 lb/in³
Mechanical Properties Metric English Comments Cold Head Hot Forge Wire Form
Hardness, Rockwell C 28 – 30 28 – 30 air or oil quenched and tempered at 705°C (1300°F).
31 – 33 31 – 33 air or oil quenched and tempered at 675°C (1250°F).
39 – 41 39 – 41 air or oil quenched and tempered at 650°C (1200°F).
45 – 47 45 – 47 air or oil quenched and tempered at 620°C (1150°F).
49 – 51 49 – 51 air or oil quenched and tempered at 595°C (1100°F).
51 – 53 51 – 53 air or oil quenched and tempered at 565°C (1050°F).
51 – 53 51 – 53 air quenched from 1025°C (1875°F) or oil quenched from 1010°C (1850°F) with no temper, or tempered for 1 hour at 315°C (600°F), 425°C (800°F), and 480°C (900°F).
52 – 54 52 – 54 air or oil quenched and tempered at 510°C (950°F) and 540°C (1000°F).
Tensile Strength, Ultimate 1990 MPa 289000 psi at HRC = 55 (air or oil quenched from 995-1025°C )
Tensile Strength, Yield 1650 MPa 239000 psi at HRC = 55 (air or oil quenched from 995-1025°C )
Elongation at Break 9.00% 9.00% at HRC = 55 (air or oil quenched from 995-1025°C )
Modulus of Elasticity 210 GPa 30500 ksi
Bulk Modulus 160 GPa 23200 ksi Typical for steel.
Poissons Ratio 0.3 0.3 Calculated
Machinability 50% 50% Based on 1% carbon steel. as 100% machinability
Shear Modulus 81.0 GPa 11700 ksi Estimated from elastic modulus
Thermal Properties Metric English Comments Cold Head Hot Forge Wire Form
CTE, linear 11.0 µm/m-°C 6.11 µin/in-°F
@Temperature 25.0 – 95.0 °C @Temperature 77.0 – 203 °F
11.5 µm/m-°C 6.39 µin/in-°F
@Temperature 25.0 – 205 °C @Temperature 77.0 – 401 °F
12.4 µm/m-°C 6.89 µin/in-°F
@Temperature 25.0 – 540 °C @Temperature 77.0 – 1000 °F
Specific Heat Capacity 0.460 J/g-°C 0.110 BTU/lb-°F
@Temperature 0.000 – 100 °C @Temperature 32.0 – 212 °F
Thermal Conductivity 24.3 W/m-K 169 BTU-in/hr-ft²-°F
@Temperature 215 °C @Temperature 419 °F
24.3 W/m-K 169 BTU-in/hr-ft²-°F
@Temperature 475 °C @Temperature 887 °F
24.4 W/m-K 169 BTU-in/hr-ft²-°F
@Temperature 350 °C @Temperature 662 °F
24.7 W/m-K 171 BTU-in/hr-ft²-°F
@Temperature 605 °C @Temperature 1120 °F