CLARMHB3 Through hardening steels
Spécifications
- EU 33NiCrMoV15
Typical composition
- C 0,33
- Ni 3,5
- Cr 1,4
- Mo 0,5
- V 0,2
- Mn 0,2
Applications
• Large caliber gun barrels and accessories (breech rings, breech blocks, muzzle brakes, etc…).
• Pressure vessels.
• Mechanical parts in the range of YS 1200 to 1300 N/mm2.
Mechanical properties
• High mechanical characteristics.
• Good impact strength at low temperature.
• High level of hardenability in water and oil.
• Good characteristics at high temperatures.
• Good temper resistance.
Mechanical features
- Heat treatmentT + Rv 615°CT + Rv 560°C
- UTS (N/mm²)13251420
- A (%)1411
- Solution treated : H
Annealed : R - Thermo-mechanical treatment : TM
Quenched and tempered : T+RV - Sub-zero treatment : F
Solution treated and aged : T+RV
CLARMHB3_GB
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