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Нашият неповторим асортимент позволява за всяка нужда подходящият материал.
1.2738 TSHH steel for plastic moulds
DESIGNATION:
| DIN: | Special alloy |
| AFNOR: | – |
| UNI: | – |
| AISI: | – |
INDICATORY ANALYSIS:
| C | 0.26 |
| Mn | 1.45 |
| Cr | 1.25 |
| Mo | 0.50 |
| Ni | 1.05 |
| V | 0.12 |
STRENGH:
33 - 38 HRC
(≈ 1050 - 1200 N/mm²)
THERMAL CONDUCTIVITY AT 250°C:
41.3W/m K
CHARACTER:
Modified, pre-toughened steel for plastic moulds, which is characterised by good polishability and optimal grainability; high thermal conductivity and wear resistance
APPLICATION:
Cavity plates without dimension restrictions, with deep cavities and high core loads
TREATMENT BY:
Polishing, etching, EDM, nitriding:
highly suitable
Hard chrome plating:
is possible
HEAT TREATMENT:
Already pre-toughened; usually no heat treatment required
Soft annealing:
720°C 1 hour per 25 mm part thickness
slow controlled cooling inside the furnace
max. 245 HB
Hardening:
880 °C
keep curing temperature for 15 to 30 minutes
cooling in hot bath/oil/compressed gas
obtainable hardness: 50 HRC
Tempering:
slow heating to tempering temperature immediately after hardening;
minimum time in furnace: 1 hour per 25 mm part thickness
TEMPERING CHART:
TECHNICAL TIP:
- uniform hardness over the entire cross section
- improved weldability
- higher toughness than 1.2738
Available in the web shop as:
P-Standard plates
P-Special platesData sheet 1.2738 TSHH
Material grades brochure
Material grades poster
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