420 powder
316L is an austenitic stainless steel. The Mo content of 316L gives it excellent corrosion resistance 17-4PH is a martensitic precipitation hardening stainless steel with high strength, hardness and corrosion resistance. 420 is a martensitic stainless steel with good mechanical properties, thermal conductivity and polishing properties similar to mold steel, while maintaining good corrosion resistance….
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316L is an austenitic stainless steel. The Mo content of 316L gives it excellent corrosion resistance
17-4PH is a martensitic precipitation hardening stainless steel with high strength, hardness and corrosion resistance.
420 is a martensitic stainless steel with good mechanical properties, thermal conductivity and polishing properties similar to mold steel, while maintaining good corrosion resistance.
Physical properties
|
Trademark
|
Size range
|
Size distribution |
Hall flow rate
|
Bulk density
|
Tap density
|
||
| D10(Ã×m) | D50(Ã×m) | D90(Ã×m) | |||||
| 316L | 15-53Ã×m |
17-23
|
30-38
|
50-58
|
25s/50g
|
4.0g/cm3 | 4.5g/cm3 |
| 17-4PH | 15-53Ã×m | 4.0g/cm3 | 4.5g/cm3 | ||||
| 420 | 15-53Ã×m | 4.0g/cm3 | 4.5g/cm3 | ||||
Heat treatment recommendations
| Trademark |
Heat treatment recommendations
|
| 316L | 1050¡Í/2h/WQ |
| 17-4PH |
1040¡«C/2h +480¡«C/4h
|
| 420 |
1050¡«C/0.5h/WQ
|
Mechanical behavior
| Trademark | Hardness(HRC) | Tensile strength (¿¼b/Mpa) | Yield strength (¿¼p0.2/Mpa) |
Elongation (Ñ´5/%)
|
| 316L | 13-15 | 650 | 550 | 45 |
| 17-4PH | 32-42 | 1310 | 1175 | 13 |
| 420 | 48-52 | 1950 | 1530 | 7 |
Chemical composition range (wt,-%)
| Trademark | C | Cr | Ni | Cu | Nb | Mo |
| 316L | ¨P0.03 | 16.00-18.00 | 10.00-14.00 | – | – | 2.00-3.00 |
| 17-4PH | ¨P0.03 | 15.5-17.5 | 3.00-5.00 | 3.00-5.00 | 0.15-0.45 | – |
| 420 | 0.35-0.45 | 12.00-14.00 | ¨P0.6 | – | ¨P0.20 | ¨P0.20 |
| Trademark | Si | Mn | S | P | O | Fe |
| 316L | ¨P1.00 | ¨P2.00 | ¨P0.03 | ¨P0.045 | ¨P0.08 | Bal |
| 17-4PH | ¨P1.00 | ¨P1.00 | ¨P0.03 | ¨P0.03 | ¨P0.03 | Bal |
| 420 | ¨P1.00 | ¨P1.00 | ¨P0.03 | ¨P0.045 | ¨P0.03 | Bal |
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