ALTA 1.2316 steel is a high Chromium (martensitic) steel, this steel have high toughness, corrosion and wear resistance, also a good machinability and high polishability. Be able to maintain stable material performance for a long time in humid and corrosive environments.
Applications
²Molds for pressing of chemically-aggressive plastic substances etc
²Cavitations molds, standard mould base, compression mould for SMC, blowing mould, Pet preform mold, plastic piping & plumbing injection molds
Chemical composition
Chemical Composition per %
C
Si
Mn
P
S
Cr
Mo
Ni
Cu
Min.
0.33
15.5
0.80
0.60
Max.
0.45
1.00
1.50
0.030
0.030
17.5
1.30
1.00
0.30
Basic melting process :
IM/EAF + LF + VD + ESR
Hardness :
Max 250 HB (annealed)
Reduction ratio :
5 : 1 minimum or required
Grain size :
≥ 6.0 per ASTM E112
Non-metallic inclusion :
≤ 1.0 (thick), ≤ 1.5 (thin) per ASTM E45 method A (more pure by ESR route)
