1.2367
- EN1.2367
- ENX38CrMoV5-3
Hot work tool steel with better high-temperature properties than 1.2343 and 1.2344, available in ESR or EFS quality with improved cleanliness and toughness.
01Material Properties
- Superior hot strength and temper resistance
- High creep resistance
- Adequate thermal shock resistance
- High toughness and ductility
- Weldability
- Easy machining
- Hardenable up to 54 HRC by heat treatment
- Recommended working hardness 42–48 HRC
- Good nitriding response
- Suitable for coating
02Applications
- All dies and tooling operating at particularly high temperatures
- Inserts, cores and core pins in the hottest die areas
- Aluminium extrusion dies and dies under severe conditions, against deformation
- Aluminium extrusion backers, bolsters, rings, stems, dummy blocks
- Hot forging dies and inserts against premature softening and hot wear
- High-performance die casting shot sleeves
- Sleeve counterparts in die casting
- Upper and lower dies in low-pressure die casting
- Weld rolls in tube and profile manufacturing
03Delivery Condition
- 230 HB, soft annealed
04Heat Treatment
Typical values
- Soft annealing
- 750–800 °C; max. 229 HB
- Stress relieving
- 600–650 °C
- Preheating
- Stepwise: 600–650 °C and 850 °C
- Hardening
- 1030–1080 °C; 20–30 min
- Quenching medium
- Pressurised gas in vacuum, oil, or 500–550 °C salt bath + air
- As-quenched hardness
- ≈ 52–55 HRC
- Tempering
- At least twice, min. 2 h; 550–650 °C
- Working hardness
- 44–52 HRC
- Nitriding
- 500–550 °C
Heat treatment cycle (schematic)
Tempering diagram (approximate)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
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