ALTA 1.2085 steel is a high Chromium mold steel (Martensite structure) with strong corrosion resistance, good wear resistance, good workability and polishability.
Applications
²Molds for pressing of chemically-aggressive plastic substances, corrosion-proof clamping frames of molds …etc
Chemical composition
Chemical Composition per %
C
Si
Mn
P
S
Cr
Ni
Cu
Min.
0.28
0.05
15.0
0.30
Max.
0.38
1.00
1.40
0.030
0.10
17.0
1.00
0.30
Basic melting process :
IM/EAF + LF + VD + (ESR)
Hardness :
Max 230 HB (annealed)
Reduction ratio :
5 : 1 minimum or required
Grain size :
≥ 5.0 per ASTM E112
Non-metallic inclusion :
≤ 1.0 (thick), ≤ 1.5 (thin) per ASTM E45 method A (more pure by ESR route)
