Tool steels for glassware
APXV
APXVW
Spécifications
EU
X17CrNi16-2
USA
AISI: 431
WL
1.4057
1.2787
1.2787
SUS
431
Composition
C
0.18
Ni
1.8
Cr
16.5
Applications
• Glass industry: manufacturing of pressing die moulds, blowing moulds and section rolls.
• Plastics processing industry and rubber working.
Characteristics
• Martensitic stainless steel, possessing corrosion resistance between the 13 % chromium and the 18/8 steels.
• Highly resistant to organic acids and certain mineral acids, as well as to chloride-polluted media.
• Good mechanical properties and resistance to hot oxidation.
• Good machineability in all normal toolmaking processes (turning, ECM, EDM).
• Able to take a high polish.
• Magnetic.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
|---|---|---|---|
| Livré prêt à l'emploi | 1000 | 810 | 15 |
Key to heat treatment symbols
| Solution treated | H | Annealed | R |
|---|---|---|---|
| Thermo-mechanical treatment | TM | Quenched and tempered | T+RV |
| Sub-zero treatment | F | Solution treated and aged | H+V |