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HCHCR – D2 / AISI D2 / DIN – 1.2379

Rounds Size Range
– 16 mm dia to 450 mm dia

Flats Size Range
– Thickness 10 mm to 200 mm x Width 25 mm to 600 mm

We stock Indian & Imported steels in this category.

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Description

DIN 1.2379 / D2 Steel / AISI D2

STANDARDS X153CrMoV12 HCHCR-D2 DIN 2379 AISI D2 AFNOR Z160CDV12 JIS SKD10

CHEMICAL COMPOSITION (Typical Analysis in %)

C Si Mn P S Cr Mo V
1.40-1.60 0.10-0.60 0.20-0.60 0.030max 0.030max 11.00-13.00 0.70-1.00 0.80-1.20

HD Industries HCHCR D2 steel in India and abroad. D2 steel is an air hardening, high-carbon, high-chromium tool steel. It has high wear and abrasion resistant properties. It is heat treatable and will offer a hardness in the range 55-62 HRC, and is machinable in the annealed condition. It tends to be used as threading rolls and dies, icy trimming, cutting & stamping tools for sheet thickness up to 6mm, accuracy cutting instruments for sheet thicknesses up to 12 mm.

STEEL PROPERTIES

  • High Carbon High Chromium contents.
  • High wear resistant and toughness due to Vanadium addition of 0.90%.
  • Supply condition is an Annealed which offer hardness to reach 57-59 HRC.
  • Machinable in annealed condition.
  • Better than D3 steel due to high alloy properties.

APPLICATION

HCHCR D2 cold work tool steel can be utilized for cold stamping or forming dies, cold forming rolls, slitters, shear blades, tools, chipper knives, tyre shredders, punches, trimming, cutting threading dies, stamping tools and more.

PHYSICAL PROPERTIES

Coefficient of Thermal Expansion at °C 10¯⁶ m / (m*K)
20-100 10.6
20-200 11.5
20-300 11.8
20-400 12.3
Thermal Conductivity at °C W / (m*K)
20 16.7
350 20.5
700 24.2

HEAT TREATMENT

Soft Annealing °C 840-870
Cooling Furnace
Hardness HB max. 250
Stress-relief Annealing °C approx. 660-710
Hardening °C 1000-1050
Quenching Air, Oil, Salt Bath 500-550°C
Hardness after quenching HRC 63
Tempering°C after quenching 100 200 300 400 500 525 550 600
HRC 64 61.5 58.5 58.5 59 60 57 50

SIZE RANGE
ROUND – 20 to 450 MM | SQUARE – 50 to 155 MM

FLATS – THICKNESS : 20 TO 150 MM | WIDTH : 40 to 450 MM

STOCKING PARTNERS
We keep the materials from China.

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