Martensitic stainless steels
X13
Spécifications
EU
X30Cr13
USA
UNS: S42000
AIR
Z30C13
ISO Symbol
X30Cr13
ISO Num
1.4028
Composition
C
0.3
Cr
13
Applications
• Measuring instruments.
• Compressor valves.
• Pump plungers.
• Various mechanical parts.
• Glassmaking tools.
• Furnace components.
Characteristics
• Martensitic stainless steel.
• Good resistance to the corrosive effect of soft water, weather and various corrosion agents.
• Good resistance to high temperature oxidation up to approximately 550°C.
• Fairly good resistance to sulphur vapours.
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
|---|---|---|---|
| T + Rv 600°C | 1000 | 850 | 14 |
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 |