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Quick Details

  • Standard: AISI, ASTM, DIN, GB, JIS
  • Grade: DIN 1.2379 - AISI D2 - JIS SKD11
  • Thickness: 4.0mm~
  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: Changjiang
  • Model Number: DIN 1.2379 - AISI D2 - JIS SKD11
  • Type: Steel Plate
  • Technique: Hot Rolled
  • Surface Treatment: pickled, shot blasted
  • Application: cutting tools, blades...
  • Special Use: High-strength Steel Plate
  • Width: 250mm approx.
  • Length: cut to lengths, straightened
  • Surface: hot rolled, pickled, shot blasted
  • Dimensions: Customized
  • Reliable factory: Professional sales service

Packaging & Delivery

Packaging Details Seaworthy packing.
Delivery Time Shipped in 45 days after payment

High carbon cold work tool steel plates DIN 1.2379 - AISI D2 - JIS SKD11

 

Descriptions

AISI D2 is a high-carbon, high-chromium tool steel alloyed with molybdenum and vanadium characterized by:

* High wear resistance

* High compressive strength

* Good through-hardening properties

* High stability in hardening

* Good resistance to tempering-back.

 

Designations

ChinaUSAJapanGermany
GB Cr12Mo1V1AISI D2JIS SKD11

W.Nr. 1.2379

X155CrVMo 12- 1

X153CrMoV 12

 

Chemical composition ( in weight % )

GradeCSiMnCrMoV
D21.550.300.4011.800.800.80

 

Applications

AISI D2 is recommended for tools requiring very high wear resistance, combined with moderate toughness (shock-resistance).

Deep drawing and forming dies, cold drawing punches, hobbing, blanking, lamination and stamping dies, shear blades, burnishing rolls, master tools and gauges, slitting cutters, thread rolling & wire dies, extrusion dies etc

 

Heat treatment

Soft annealing

Protect the steel and heat through to 1560°F (850°c).

Then cool in the furnace at 20°F (10°c) per hour to 1200°F (650°c), then freely in air.

 

Stress Relieving

After rough machining the tool should be heated through to 1200°F (650°c), holding time 2 hours.

Cool slowly to 930°F (500°c), then freely in air

 

Hardening

Preheating temperature: 1110–1290°F (650–750°c).

Austenitizing temperature: 1810–1920°F (990–1050°c) but usually 1830–1905°F (1000–1040°c).

 

TemperatureSoaking time minutesHardeness before tempering
°F°c  
181599060approx. 63 HRC
1850101045approx. 64 HRC
1885103030approx. 65 HRC

 

Quenching Media

* Oil (Only very simple geometries)

* Vacuum (high speed gas)

* Forced air/gas

* Martempering bath or fluidized bed at 360–930°F (180–500°c), then cooling in air.

Note: Temper the tool as soon as its temperature reaches 120–160°F (50–70°c).

AISI D2 hardens through in all standard sizes.

 

Tempering

Choose the tempering temperature according to the hardness required by reference to the tempering graph.

Temper twice with intermediate cooling to room temperature. Lowest tempering temperature 360°F (180°c).

Holding time at temperature minimum 2 hours.

High temperature tempering at greater than 950°F (510°c) is recommended if dimensional stability of tooling is critical,

if significant wire EDM operations are planned in the hardened state, or if tools are to be coated.

 

We are looking forward to your enquiries.

Please call +86 151 9025 7143, skype: paul_luhongxiang or send an email to

export @ ahoneststeel dot com

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