GD 4140
Equivalent materials: 42CrMo4 1.7225 SAE 4140 AISI 4140 SCM 440 GD 4140 is a vacuum induction melted, argon gas atomized, and spherical powder for additive manufacturing. It is a good flowable and spreadable spherical powder for additive manufacturing. A medium carbon structural steel that can be hardened and tempered. Typical applications are high-grade cold worked parts in general engineering and automotive.
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Description
GD 4140
Equivalent materials:
42CrMo4
1.7225
SAE 4140
AISI 4140
SCM 440
GD 4140 is a vacuum induction melted, argon gas atomized, and spherical powder for additive manufacturing. It is a good flowable and spreadable spherical powder for additive manufacturing. A medium carbon structural steel that can be hardened and tempered. Typical applications are high-grade cold worked parts in general engineering and automotive.
Chemical composition, %
|
Element |
Cr |
Mn |
Mo |
Si |
C |
Fe |
|
Content, % |
1.0 |
0.8 |
0.2 |
0.3 |
0.4 |
Balance |
Typical powder properties
|
Nominal particle range |
Hall flow |
Apparent density |
|
15–45 µm |
17 s/50 g |
4.0 g/cc |
|
Other particle range |
0-25 µm 50-150 µm |
|
Heat treatment: Stress relieved at 550 °C in Ar for 1 h.Quenched and Tempered - Austenitized at 840 °C in vacuum followed by a gas quench, Tempered at 200 °C in air .Quenched and Tempered - Austenitized at 840 °C in vacuum followed by a gas quench, Tempered at 550 °C in Ar.
4140
42CrMo4
1.7225
SAE 4140
AISI 4140
SCM 440
additive manufacturing
spherical powder
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