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Assab Steels CALMAX Plastic Mold Material

Category Metal , Ferrous Metal , Alloy Steel , Chrome-moly Steel
Manufacturer Assab Steels
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Assab Steels CALMAX Plastic Mold Material.pdf
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Material Notes:
CALMAX is a chromium-molybdenum-vanadium alloyed steel characterized by:High toughnessGood wear resistanceGood through hardening propertiesGood dimensional stability in hardeningGood polishabilityGood weldabilityGood flame and induction hardenabilityApplications: Cold work applications: General blanking and forming, heavy duty blanking and forming, deep drawing, coining, cold extrusion dies with complicated geometry, rolls, shear blades, prototype tooling.Plastic moulding applications: Long run moulds, moulds for reinforced plastics, moulds for compression molding.
Physical Properties Metric English Comments
Density 7.78 g/cc
0.281 lb/in³
7.64 g/cc

@Temperature 400 °C
0.276 lb/in³

@Temperature 752 °F
7.72 g/cc

@Temperature 200 °C
0.279 lb/in³

@Temperature 392 °F
Mechanical Properties Metric English Comments
Hardness, Brinell 200
200
hardness supplied.
Hardness, Rockwell C 43
43
tempering temperature (2h + 2h) 600°C (1110°F)
54
54
tempering temperature (2h + 2h) 400°C (750°F)
58
58
Hardness as a function of austenitizing temperature. 900°C (1650°F) Austenitizing temperature
59
59
tempering temperature (2h + 2h) 200°C (390°F)
62
62
Hardness before tempering at 950°C (1740°F) Austenitizing temperature: Holding time: 30 minutes.
63
63
Hardness before tempering at 960°C (1760°F) Austenitizing temperature: Holding time: 30 minutes.
63
63
Hardness as a function of austenitizing temperature. 960°C (1785°F) Austenitizing temperature
64
64
Hardness before tempering at 970°C (1780°F) Austenitizing temperature: Holding time: 30 minutes.
Modulus of Elasticity 194 GPa
28100 ksi
178 GPa

@Temperature 400 °C
25800 ksi

@Temperature 752 °F
188 GPa

@Temperature 200 °C
27300 ksi

@Temperature 392 °F
Compressive Yield Strength 1900 MPa
276000 psi
Rc0.2. Hardness HRC 56.
2000 MPa
290000 psi
Rc0.2. Hardness HRC 58.
2100 MPa
305000 psi
Rc0.2. Hardness HRC 60.
Compressive Strength 2300 MPa
334000 psi
Rcm. Hardness HRC 56.
2500 MPa
363000 psi
Rcm. Hardness HRC 58.
2700 MPa
392000 psi
Rcm. Hardness HRC 60.
Fracture Toughness 29.0 - 32.0 MPa-m½
26.4 - 29.1 ksi-in½
tempering range 200-450°C (390-842°F) respectively. Hardened at 960°C (1760°F). Quenched in air. Tempered twice.
Charpy Impact 12.0 J
8.85 ft-lb
tempering at 300°C (570°F). Hardened at 960°C (1760°F). Quenched in air. Tempered twice.
15.0 J
11.1 ft-lb
tempering at 450°C (842°F). Hardened at 960°C (1760°F). Quenched in air. Tempered twice.
32.0 J
23.6 ft-lb
tempering at 600°C (1110°F). Hardened at 960°C (1760°F). Quenched in air. Tempered twice.
Thermal Properties Metric English Comments
CTE, linear 11.7 µm/m-°C

@Temperature 20.0 °C
6.50 µin/in-°F

@Temperature 68.0 °F
12.0 µm/m-°C

@Temperature 20.0 - 200 °C
6.67 µin/in-°F

@Temperature 68.0 - 392 °F
13.0 µm/m-°C

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

@Temperature 68.0 - 752 °F
Specific Heat Capacity 0.456 J/g-°C

@Temperature 20.0 °C
0.109 BTU/lb-°F

@Temperature 68.0 °F
0.527 J/g-°C

@Temperature 200 °C
0.126 BTU/lb-°F

@Temperature 392 °F
0.607 J/g-°C

@Temperature 400 °C
0.145 BTU/lb-°F

@Temperature 752 °F
Thermal Conductivity 3.89 W/m-K

@Temperature 200 °C
27.0 BTU-in/hr-ft²-°F

@Temperature 392 °F
4.61 W/m-K

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

@Temperature 752 °F
Component Elements Properties Metric English Comments
Carbon, C 0.60 %
0.60 %
Chromium, Cr 4.5 %
4.5 %
Iron, Fe 93.05 %
93.05 %
Manganese, Mn 0.80 %
0.80 %
Molybdenum, Mo 0.50 %
0.50 %
Silicon, Si 0.35 %
0.35 %
Vanadium, V 0.20 %
0.20 %
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