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Assab Steels DIEVAR Hot Work Steel

Category Metal , Ferrous Metal , Chrome-moly Steel , Tool Steel , Hot Work Steel
Manufacturer Assab Steels
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Assab Steels DIEVAR Hot Work Steel.pdf
Price EMAIL US    sales@lookpolymers.com
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Material Notes:
DIEVAR is a high performance chromium-molybdenum-vanadium alloyed hot work tool steel which offers a very good resistance to heat checking, gross checking, hot wear and plastic deformation. DIEVAR is characterized by: Excellent toughness and ductility in all directionsGood temper resistanceGood high-temperature strength Excellent hardenabilityGood dimensional stability throughout heat treatment and coating operationsApplications: Die casting, forging, and extrusion
Physical Properties Metric English Comments
Density 7.78 g/cc
0.281 lb/in³
7.58 g/cc

@Temperature 800 °C
 0.274 lb/in³

@Temperature 1470 °F
7.67 g/cc

@Temperature 399 °C
 0.277 lb/in³

@Temperature 750 °F
Mechanical Properties Metric English Comments
Hardness, Rockwell C 26
26
Hardness during tempering. At tempering temperature (2+ 2h) 700°C. Austenitizing temperature 1025°C (1875°F)
31
31
Temper resistance. 10 hour holding time at 650°C (1200°F).
32
32
Temper resistance. 100 hour holding time at 600°C (1110°F).
33
33
Hardness during tempering. At tempering temperature (2+ 2h) 650°C. Austenitizing temperature 1000°C (1830°F)
40
40
Temper resistance. 1 hour holding time at 650°C (1200°F).
42
42
Temper resistance. 100 hour holding time at 550°C (1020°F).
42
42
Temper resistance. 10 hour holding time at 600°C (1110°F).
45
45
Temper resistance. 10 hour holding time at 550°C (1020°F).
45
45
Temper resistance. 1 hour holding time at 550°C (1020°F).
45
45
Temper resistance. 1 hour holding time at 600°C (1110°F).
45
45
Temper resistance. 1-100 hour holding time at 500°C (930°F)
51
51
Hardness during tempering. At tempering temperature (2+ 2h) 400°C. Austenitizing temperature 1000°C (1830°F)
52
52
Hardness during tempering. At tempering temperature (2+ 2h) 400°C. Austenitizing temperature 1025°C (1875°F)
52
52
Hardness during tempering. At tempering temperature (2+ 2h) 550°C. Austenitizing temperature 1000°C (1830°F)
50 - 54
50 - 54
Hardness before tempering. Austenitizing temperature: 1000°C (1830°F). Soaking time 30 minutes.
53
53
tempering temperature (2+ 2h) 550°C. Austenitizing temperature 1025°C (1875°F)
53
53
Hardness during tempering. At tempering temperature (2+ 2h) 150°C. Austenitizing temperature 1000°C (1830°F)
54
54
1000°C (1830°F) austenitizing temperature.
53 - 57
53 - 57
Hardness before tempering. Austenitizing temperature: 1025°C (1875°F). Soaking time 30 minutes.
55
55
Hardness during tempering. At tempering temperature (2+ 2h) 150°C. Austenitizing temperature 1025°C (1875°F)
56
56
1025°C (1877°F) austenitizing temperature.
57
57
1052°C (1920°F) austenitizing temperature
Tensile Strength at Break 1100 MPa

@Temperature 500 °C
 160000 psi

@Temperature 932 °F
 R<sub>m</sub>. Short transverse direction.
1450 MPa

@Temperature 100 °C
 210000 psi

@Temperature 212 °F
 R<sub>m</sub>. Short transverse direction.
Tensile Strength, Ultimate 1480 MPa
215000 psi
R<sub>m</sub>. short transverse direction. 44 HRC.
1640 MPa
238000 psi
R<sub>m</sub>. short transverse direction. 48 HRC.
1900 MPa

@Temperature 23.0 °C
 276000 psi

@Temperature 73.4 °F
Tensile Strength, Yield 1210 MPa
175000 psi
R<sub>p</sub>02. short transverse direction. 44 HRC.
1380 MPa
200000 psi
R<sub>p</sub>02. short transverse direction. 48 HRC.
900 MPa

@Temperature 500 °C
 131000 psi

@Temperature 932 °F
 R<sub>p</sub>02. Short transverse direction.
1200 MPa

@Temperature 100 °C
 174000 psi

@Temperature 212 °F
 R<sub>p</sub>02. Short transverse direction.
1560 MPa

@Temperature 23.0 °C
 226000 psi

@Temperature 73.4 °F
Elongation at Break 12.5 %
12.5 %
short transverse direction. 52 HRC
13 %
13 %
short transverse direction. 44 HRC
13 %
13 %
short transverse direction. 48 HRC
11 %

@Temperature 200 °C
 11 %

@Temperature 392 °F
 short transverse direction
15 %

@Temperature 400 °C
 15 %

@Temperature 752 °F
 short transverse direction.
18 %

@Temperature 600 °C
 18 %

@Temperature 1110 °F
 short transverse direction.
Reduction of Area 52 %
52 %
short transverse direction. 52 HRC
55 %
55 %
short transverse direction. 44 HRC
55 %
55 %
short transverse direction. 48 HRC
50 %

@Temperature 200 °C
 50 %

@Temperature 392 °F
 short transverse direction
60 %

@Temperature 400 °C
 60 %

@Temperature 752 °F
 short transverse direction.
82 %

@Temperature 600 °C
 82 %

@Temperature 1110 °F
 short transverse direction
Modulus of Elasticity 210 GPa
30500 ksi
145 GPa

@Temperature 800 °C
 21000 ksi

@Temperature 1470 °F
180 GPa

@Temperature 400 °C
 26100 ksi

@Temperature 752 °F
Charpy Impact 28.0 J
20.7 ft-lb
V notch. Short transverse direction. 700°C tempering temperature (2 + 2h).
47.0 J
34.7 ft-lb
V notch. Short transverse direction. 600°C tempering temperature (2 + 2h).
51.0 J
37.6 ft-lb
V notch. Short transverse direction. 400°C tempering temperature (2 + 2h).
55.0 J
40.6 ft-lb
V notch. Short transverse direction. 200°C tempering temperature (2 + 2h).
39.0 J

@Temperature 100 °C
 28.8 ft-lb

@Temperature 212 °F
 V-notch. Short transverse direction. 50 HRC
45.0 J

@Temperature 100 °C
 33.2 ft-lb

@Temperature 212 °F
 V-notch. Short transverse direction. 47 HRC
55.0 J

@Temperature 100 °C
 40.6 ft-lb

@Temperature 212 °F
 V-notch. Short transverse direction. 45 HRC
70.0 J

@Temperature 250 °C
 51.6 ft-lb

@Temperature 482 °F
 V-notch. Short transverse direction. 47 HRC
70.0 J

@Temperature 250 °C
 51.6 ft-lb

@Temperature 482 °F
 V-notch. Short transverse direction. 50 HRC
91.0 J

@Temperature 250 °C
 67.1 ft-lb

@Temperature 482 °F
 V-notch. Short transverse direction. 45 HRC
97.0 J

@Temperature 400 °C
 71.5 ft-lb

@Temperature 752 °F
 V-notch. Short transverse direction. 47 HRC
105 J

@Temperature 400 °C
 77.4 ft-lb

@Temperature 752 °F
 V-notch. Short transverse direction. 45 HRC
110 J

@Temperature 400 °C
 81.1 ft-lb

@Temperature 752 °F
 V-notch. Short transverse direction. 50 HRC
Impact Test >= 300 J

@Temperature 23.0 °C
 >= 221 ft-lb

@Temperature 73.4 °F
Thermal Properties Metric English Comments
CTE, linear 12.7 µm/m-°C

@Temperature 20.0 - 400 °C
 7.06 µin/in-°F

@Temperature 68.0 - 752 °F
13.3 µm/m-°C

@Temperature 20.0 - 600 °C
 7.39 µin/in-°F

@Temperature 68.0 - 1110 °F
Thermal Conductivity 31.0 W/m-K

@Temperature 400 °C
 215 BTU-in/hr-ft²-°F

@Temperature 752 °F
32.0 W/m-K

@Temperature 600 °C
 222 BTU-in/hr-ft²-°F

@Temperature 1110 °F
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