Tool steels for glassware

APXV

APXVW

Spécifications

EU
X17CrNi16-2
USA
AISI: 431
WL
1.4057
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

See also

MPY

Tool steels for hot work