2344 / H13 / 8407 / SKD61 Mold Steel

- Apr 18, 2017-


2344 / H13 / 8407 / SKD61 Mold steel

 

    2344 mould steel, excellent polishing performance, easy cutting, high toughness and ductility. Thickness and thickness of the material consistent with the transverse strength, good heat resistance, high temperature, abrasion resistance, surface maturity characteristics, suitable for aluminum, zinc, cold extrusion and extrusion die. Basic information editing


Features: AISIH13 / DIN1.2344

   2344 for the German brand, is the pressure hot work die steel. The steel is electroslag and remelted material, hardenability is good, with excellent mechanical processing performance and polishing performance, high toughness and plasticity, good high, low temperature wear resistance and high temperature fatigue and heat resistance. 

Factory Hardness: Soft annealed to HB180-210

Chemical composition: chromium (Cr) 5.0, molybdenum (Mo) 1.3, vanadium (V) 1.0

Physical properties Thermal expansion coefficient [10m / (m x k)]:

2344 Die steel

20-100 ° C 11.8

20-200 ° C 12.4

20-300 ° C 12.6

20-400 ° C 12.7

20-500 ° C 12.8

20-600 ° C 12.9

20-700 ° C 12.9

Thermal conductivity [w / (m x k)]:

20 ° C 25.3

350 ° C 27.2

700 ° C 30.5

 

Reference Grade:

   American AISI / SAE standard grade H13, China GB standard grade 4Cr5MoVSi, Sweden one hundred wins (ASSAB) standard grade 8402/8407, Japan standard grade SKD61, Germany DIN standard material number 1.2344, Austria (BOHLER) standard grade W302.

 

Characteristic:

   High and low temperature are good wear resistance, excellent toughness and ductility, stable and excellent and processing and polishing optical properties, excellent high temperature strength and thermal fatigue resistance, excellent hardenability, a small heat treatment Size change

 

Physical properties:

1) Density: 7.31 g / cm.

2) Linear expansion coefficient: Temperature 18 ~ 100 ℃ / 18 ~ 200 ° C / 18 ~ 300 ° C / 18 ~ 400 ° C / 18 ~ 500 ° C / 18 ~ 600 ℃ / 18 ~ 700 ℃, linear expansion coefficient 11.9 × 10K / 12.20 × 10K / 12. 50 × 10K / 12. 81 × 10K / 13.11 × 10K / 13.41 × 10K / 13.71 × 10K

3) Elastic modulus: (20 ° C) 212000MPa, shear modulus (room temperature) is 825000MPa.

4) Thermal conductivity: temperature 20 ° C / 100 ° C / 200 ° C / 300 ° C / 400 ° C, thermal conductivity 36.0 [W / (m · K)] / 33.4 [W / (m · K) 31.4 [W / (m · K)] / 30.1 [W / (m · K)] / 29.3 [W / (m · K)].

 

Main application:

1. Die-casting molds, such as: mold kernel, insert, thimble, sleeve

2. Extrusion die, such as: mold, mold pad, bushing

3. Aluminum and copper hot pressing molding die

Plastic mold

5. Cold, trimming, hot shear, tightening ring and wear parts

 

Thermal processing specification:

Ingot: heating temperature 1180 ~ 1200 ° C, the starting temperature 1130 ~ 1150 ° C, the termination temperature ≥ 850 ° C, pit cold.

Billet: heating temperature 1120 ~ 1160 ° C, the starting temperature of 1070 ~ 1110 ° C, the termination temperature ≥ 850 ° C, sand cold or slow cooling.

Isothermal annealing specification: annealing temperature (850 ± 10) ° C, insulation 2h, with the furnace down to (720 ± 10) ℃, insulation 4h, the furnace cooled to 500 ° C below, baked air cooling, hardness ≤ 229HBW.

High temperature tempering specification: tempering temperature (730 ± 10) ° C, insulation 2h, furnace cold ≤ 500 ° C, baked air cooled.

Quenching and tempering specifications. Quenching temperature 850 ~ 880 ℃, oil cooling, hardness 50 ~ 52HRC; tempering temperature 580 ~ 640 ° C, baked air cooling, hardness 28 ~ 36HRC

Pre-hardening treatment specifications: heating temperature 860 ~ 900 ° C, oil cooling, tempering temperature 570 ~ 70O ° C, air cooling, tempering hardness of 28 ~ 35HRC.


   Asia Billion Industry Co Limited are a small/middle size professional injection tooling & injection molding manufacture in South China .Our stability quality, Lower price and good service has given our customer a big confidence to new production development and market competition . ISO 9001 certified and TS 16949 compliance. Great successful

We are a small/middle size professional injection tooling & injection molding manufacture in South China .Our stability quality, Lower price and good service has given our customer a big confidence to new production development and market competition . ISO 9001 certified and TS 16949 compliance. Great successfully experience for new production development .

 The same quality we have lower price and much better service .  The same price we have higher quality and much better service  .  The same Price and same quality we have better service and better project managment response.


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