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EDRO #3 Prehardened Mold Quality P20 Alloy Steel
| Category | Metal , Ferrous Metal , Alloy Steel , Chrome-moly Steel |
| Manufacturer | EDRO |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | EDRO #3 Prehardened Mold Quality P20 Alloy Steel.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
EDRO #3™ is a vacuum-degassed, ladle refined, Cr-Ni-Mo- alloyed steel which is supplied in the hardened and tempered condition. EDRO #3™ is manufactured to consistently high quality standards with a very low sulfur content, giving a steel with the following characteristics: excellent polishing and photo-etching properties, good machinability, high purity and good homogeneity, and uniform hardness in all dimensions. Applications: injection molds for thermo-plastics, extrusion dies for thermo-plastics, blow molds, forming tools, press-brake dies, structural components, shaftsInformation provided by EDRO
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.67 g/cc @Temperature 399 °C |
0.277 lb/in³ @Temperature 750 °F |
Hardened and tempered to 310 HB |
| 7.75 g/cc @Temperature 199 °C |
0.280 lb/in³ @Temperature 390 °F |
Hardened and tempered to 310 HB | |
| 7.81 g/cc @Temperature 20.0 °C |
0.282 lb/in³ @Temperature 68.0 °F |
Hardened and tempered to 310 HB |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Brinell | 277 - 332 | 277 - 332 | as supplied |
| 340 @Treatment Temp. 650 °C |
340 @Treatment Temp. 1200 °F |
Tempered for 2 hr | |
| 380 @Treatment Temp. 600 °C |
380 @Treatment Temp. 1110 °F |
Tempered for 2 hr | |
| Hardness, Rockwell C | 45 @Treatment Temp. 500 °C |
45 @Treatment Temp. 932 °F |
Tempered for 2 hr |
| 47 @Treatment Temp. 400 °C |
47 @Treatment Temp. 752 °F |
Tempered for 2 hr | |
| 49 @Treatment Temp. 300 °C |
49 @Treatment Temp. 572 °F |
Tempered for 2 hr | |
| 52 @Treatment Temp. 180 °C |
52 @Treatment Temp. 356 °F |
Tempered for 2 hr | |
| 52 @Treatment Temp. 200 °C |
52 @Treatment Temp. 392 °F |
Tempered for 2 hr | |
| 55 @Treatment Temp. 300 °C |
55 @Treatment Temp. 572 °F |
Hardened for 2 hr, then Tempered | |
| 59 @Treatment Temp. 200 °C |
59 @Treatment Temp. 392 °F |
Hardened for 2 hr, then Tempered | |
| 60 @Treatment Temp. 180 °C |
60 @Treatment Temp. 356 °F |
Hardened for 2 hr, then Tempered | |
| Hardness, Vickers | 650 @Treatment Temp. 525 °C |
650 @Treatment Temp. 977 °F |
Nitriding in ammonia gas |
| 700 @Treatment Temp. 570 °C |
700 @Treatment Temp. 1060 °F |
Tufftriding (Tenifer process) | |
| Tensile Strength, Ultimate | 793 MPa @Temperature 399 °C |
115000 psi @Temperature 750 °F |
Round bar 1" diameter, 310 HB |
| 951 MPa @Temperature 199 °C |
138000 psi @Temperature 390 °F |
Round bar 1" diameter, 310 HB | |
| 1010 MPa @Temperature 20.0 °C |
146000 psi @Temperature 68.0 °F |
Round bar 1" diameter, 310 HB | |
| Tensile Strength, Yield | 627 MPa @Temperature 399 °C |
91000 psi @Temperature 750 °F |
Round bar 1" diameter, 310 HB |
| 752 MPa @Temperature 199 °C |
109000 psi @Temperature 390 °F |
Round bar 1" diameter, 310 HB | |
| 800 MPa @Temperature 20.0 °C |
116000 psi @Temperature 68.0 °F |
Round bar 1" diameter, 310 HB | |
| Elongation at Yield | 20 % @Temperature 20.0 °C |
20 % @Temperature 68.0 °F |
in 2" |
| 22 % @Temperature 199 °C |
22 % @Temperature 390 °F |
in 2" | |
| 25 % @Temperature 399 °C |
25 % @Temperature 750 °F |
in 2" | |
| Reduction of Area | 60 % @Temperature 20.0 °C |
60 % @Temperature 68.0 °F |
|
| 63 % @Temperature 199 °C |
63 % @Temperature 390 °F |
||
| 65 % @Temperature 399 °C |
65 % @Temperature 750 °F |
||
| Modulus of Elasticity | 185 GPa @Temperature 399 °C |
26800 ksi @Temperature 750 °F |
|
| 200 GPa @Temperature 199 °C |
29000 ksi @Temperature 390 °F |
||
| 205 GPa @Temperature 20.0 °C |
29700 ksi @Temperature 68.0 °F |
||
| Charpy Impact | 50.2 J @Temperature 20.0 °C |
37.0 ft-lb @Temperature 68.0 °F |
Round bar 1" diameter, 310 HB |
| 55.6 J @Temperature 199 °C |
41.0 ft-lb @Temperature 390 °F |
Round bar 1" diameter, 310 HB | |
| 65.1 J @Temperature 399 °C |
48.0 ft-lb @Temperature 750 °F |
Round bar 1" diameter, 310 HB |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 12.6 µm/m-°C @Temperature 20.0 - 199 °C |
7.00 µin/in-°F @Temperature 68.0 - 390 °F |
|
| 13.5 µm/m-°C @Temperature 20.0 - 399 °C |
7.50 µin/in-°F @Temperature 68.0 - 750 °F |
||
| Specific Heat Capacity | 0.460 J/g-°C @Temperature 20.0 °C |
0.110 BTU/lb-°F @Temperature 68.0 °F |
|
| Thermal Conductivity | 29.1 W/m-K @Temperature 20.0 °C |
202 BTU-in/hr-ft²-°F @Temperature 68.0 °F |
|
| 29.5 W/m-K @Temperature 199 °C |
205 BTU-in/hr-ft²-°F @Temperature 390 °F |
||
| 31.1 W/m-K @Temperature 399 °C |
216 BTU-in/hr-ft²-°F @Temperature 750 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 0.31 % | 0.31 % | |
| Chromium, Cr | 1.2 % | 1.2 % | |
| Iron, Fe | 96.122 % | 96.122 % | As Balance |
| Manganese, Mn | 0.75 % | 0.75 % | |
| Molybdenum, Mo | 0.41 % | 0.41 % | |
| Nickel, Ni | 0.80 % | 0.80 % | |
| Silicon, Si | 0.40 % | 0.40 % | |
| Sulfur, S | 0.0080 % | 0.0080 % |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color Code | Orange |
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