KOS provides high quality powder produced through EIGA(Electrode Induction Melting Inert Gas Atomization) system.
Characteristics
We provide high-purity spheronized powder
We manage the ideal distribution of grain size.
We can produce reactive metal (Ti, Zr) powder.
Product specifications
PBF (Powder Bed Fusion) : 10~53㎛
PBF-EBM (Powder bed fusion - Electron beam) : 45~150㎛
DED (Directed energy deposition) : 45~150㎛
Etc. (Customized powder size for other Additive manufacturing process)
Quality Control
Chemical composition
Particle size distribution by sieving (ASTM B214)
Particle size distribution by laser diffraction (ASTM B822)
Apparent / Tap density (ASTM B212 / ASTM B527)
Flowability (ASTM B213 and ASTM B964)
Powder Imaging (SEM)
Powder Cross-Section/Porosity Imaging (OM or SEM)
Application : ADDITIVE MANUFACTURING(AM), METAL INJECTION MOLDING(MIM), THERMAL SPRAY(TSA)
Ti Gr.2
COMPOSI
TION GRADE |
C |
O |
N |
H |
Fe |
| TI-2 |
Max 0.08 |
Max 0.25 |
Max 0.03 |
Max 0.015 |
Max 0.30 |
Specifications : ATSM B348, ASTM F67
Ti Gr.5
COMPOSI
TION GRADE |
C |
O |
N |
H |
Fe |
AI |
V |
Y |
| TI-5 |
Max 0.08 |
Max 0.20 |
Max 0.05 |
Max 0.015 |
Max 0.30 |
5.5 - 6.75 |
3.5 - 4.5 |
Max. 0.005 |
Specifications : ASTM B348, ASTM F2924
Ti Gr.23
COMPOSI
TION GRADE |
C |
O |
N |
H |
Fe |
AI |
V |
Y |
| TI-23 |
Max 0.08 |
Max 0.13 |
Max 0.05 |
Max 0.012 |
Max 0.25 |
5.5 - 6.5 |
3.5 - 4.5 |
Max. 0.005 |
Specifications : ASTM B348, ASTM F3001
Size
0~15㎛, 15~45㎛, 15~53㎛, 45~106㎛, 45~150㎛, Etc. (Customized powder size for other Additive Manufacturing process)
SEM image (Ti Gr.23 15~45㎛)
x200
x500
Application : Aerospace, Medical Devices
Package : 2.5KGS
ALY718 (IN718)
COMPOSI
TION GRADE |
C |
Mn |
Si |
P |
S |
Cr |
Co |
Mo |
Nb+Ta |
Ti |
Al |
B |
Fe |
Cu |
Ni |
| ALY718 |
Max 0.08 |
Max 0.35 |
Max 0.35 |
Max 0.015 |
Max 0.015 |
17.0 - 21.0 |
Max 1.0 |
2.80 - 3.30 |
4.75 - 5.50 |
0.65 - 1.15 |
0.20 - 0.80 |
Max 0.006 |
Re - mainder |
Max 0.30 |
50.0 - 55.0 |
Specifications : ASTM B637, ASTM F3055
ALY625 (IN625)
COMPOSI
TION GRADE |
C |
Mn |
Si |
P |
S |
Cr |
Co |
Mo |
Nb |
Ti |
Al |
Fe |
Ni |
| ALY625 |
Max 0.10 |
Max 0.50 |
Max 0.50 |
Max 0.015 |
Max 0.015 |
20.0 - 23.0 |
Max 1.0 |
8.0 - 10.0 |
3.15 - 4.15 |
Max 0.40 |
Max 0.40 |
Max 5.00 |
Re - mainder |
Specifications : ASTM B446, ASTM F3056
Size
0~15㎛, 15~45㎛, 15~53㎛, 45~106㎛, 45~150㎛, Etc. (Customized powder size for other Additive Manufacturing process)
SEM image (ALY718 15~45㎛)
x200
x500
Application : Aerospace, Marine Industries
Package : 5.0KGS
316L
COMPOSI
TION GRADE |
Cr |
Ni |
Mo |
Mn |
S |
C |
P |
N |
Si |
Fe |
| 316L |
16.0 - 18.0 |
10.0 - 14.0 |
2.0 - 3.0 |
Max. 2.00 |
Max 0.03 |
Max. 0.03 |
Max. 0.045 |
- |
Max. 1.00 |
Bal. |
Specifications : ASTM A479, ASTM F3184
630 (17-4PH)
COMPOSI
TION GRADE |
C |
Cr |
Ni |
Mn |
Si |
P |
S |
Cu |
Nb+Ta |
Fe |
| 630 |
Max. 0.07 |
15.0 - 17.5 |
3.0 - 5.0 |
Max. 1.00 |
Max 1.00 |
Max. 0.040 |
Max. 0.03 |
3.0 - 5.0 |
0.15-0.45 |
Bal. |
Specifications : ASTM A564
Size
0~15㎛, 15~45㎛, 15~53㎛, 45~106㎛, 45~150㎛, Etc. (Customized powder size for other Additive Manufacturing process)
SEM image (316L 15~45㎛)
x200
x500
Application : Aerospace, Marine Industries
Package : 5.0KGS
