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D2 1.2379 SKD11

Башкы бет>Буюмдар>Муздак жумушчу курал болот>D2 1.2379 SKD11

Cold Working Tool Steel D2 1.2379 SKD11 тегерек тилкеси

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өзгөчөлүктөрү

D2 steel round bar can be used to produce cold work mold with a large cross-section, complex shape, high impact force, and high wear resistance. It also is called DIN 1.2379 and JIS SKD11 steel. It is a high-carbon and high-chromium cold work mold steel. It is widely used in the world. It has high hardenability and the high-temperature oxidation resistance is good. The anti-corrosion ability is good after quenching and polishing, and the deformation is small after the steel heat treatment. 


Тиркемелер:

1.2379 steel is used for blanking or forming dies, thread rolling dies, shear knives, food-processing knives, gauges, punches and etc.


Курамы

C
MnSi
Cr
Mo
VC
1.50
0.300.30
12.000.75
0.90
1.50


өзгөчөлүктөрү:

D2 Steel Round Bar Heat Treatment

Жылуулук менен дарылоо

DIN 1.2379 steels alloy should be preheated very slowly to 815℃ (1500°F) and the temperature can be increased to 1010oC (1850°F). Then held at 1010oC (1850°F) for 20 to 45 minutes and air-cooled (air quenched).


Annealing

Annealing of 1.2379 tool steels material should be done at 871 to 898°C (1600 to 1650°F) followed by slow furnace cooling at 4.4°C (40°F) per hour or less, after which cooling rate could be increased. At the same time, must do something to prevent excessive carburization or decarburization.


стресс бошотуу

Heat it slowly to 1050°-1250°F, allow to equalize, and then cool in still air(Strain Relieving)


Preheat Prior To Hardening

Preheat slowly to 1350°-1450°F and hold at this temperature until steel 1.2379 steel material is uniformly heated.


тегерек Bar

Specification: Dia Max 800mm; Length: Max 6m

Surface: Black, Peeled, Machined(Turned), Polished(Grounded)•


нерсеDimension (мм)ProcessЖеткирүү шарты
тегерек BarDIA1.0 - 30Муздак тартуу / Борборсуз майдалооBright & Anneal
DIA20 - 80пилингBright & Anneal
DIA 13-180Hot RolledКара бет жана Anneal
DIA 70 - 400Hot RolledКара бет жана Anneal


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