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HOT WORK STEEL

  

Shape : Grade :

DIN 1.2714 Steel

Standards: 55NiCrMoV

DIN 2714

DB6
AISI L6

AFNOR 55NCDVV7

 

C Si Mn P S Cr Ni Mo V
0.50-0.60 0.10-0.40 0.65-0.95 0.03 0.03 1.00-1.20 1.50-1.80 0.45-0.55 0.07-0.12

 

Virat Special SteelsDIN 2714

Grade Brief:

DIN 1.2714 is highly recommendable for Close Die Forgings due to its characteristics of high wear-resistance, extra toughness , high hardness which is achieved with Cr-Ni-Mo-V high graded alloys. The equivalent grade DB6 / L6 / SKT4 normally used as a pre hardened condition. The standard hardness is 360 to 430 BHN. DIN 2714 is the upgraded version of DIN 2713 for better performance of dies. We supply Die blocks as the extra Forging Reduction & Upsetting with Double tempered to achieve the better Ultrasonic quality.

 

DIN 1.2714 is a tool steel grade that comes under the DIN EN ISO 4957 standard. Due to its excellent combination of wear resistance, additional toughness, and high hardness which are attained using Cr-Ni-Mo-V high graded alloys, DB6 Steel is highly recommended for Close Die Forgings. Therefore, DB6 Steel is the material of choice in the automotive, aerospace, metalworking, and tool and die sectors. We provide die blocks as an additional forging reduction and upsetting step with double tempering to improve ultrasonic quality.


Mode of Supply

Virat Special Steels is the largest stockiest and supplier of DIN 2714 tool steel in flat, square and round bar. We provide steel in all sizes as your requirements. DIN 2714 die steel is available in flat, square and round shape. Consult our team who will assist you for DIN 2714 steel query.

 

2714-steel

Steel Properties

The special Hot Work Pre hardened Steel with good toughness and high ware resistance. Die Steel is normally supply in hard, quenched & tempered and also in annealed condition in special case. Usually its working hardness is 360-430 BHN. This steel grade is the upgrade version of DB6 / DIN 2713 / AISI L6 for better performance.

 

Mechanical Properties:

 

Tensile strength 1000-1400 MPa
Yield Strength 1045 MPa
Elongation 15%-20%
Impact Toughness 20 J/cm2-25 J/cm2
Hardness 50-55 HRC
Compressive Strength 2500MPa
Modulus of elasticity 205 GPa

Physical Properties

The exact values of these physical characteristics depend on the composition, heat treatment, and manufacturing procedures used to create DB6 steel, so take them with a grain of salt. For detailed details on the physical characteristics of a certain grade of DB6/DIN 2714/AISI L6 steel, it is always advised to refer to the manufacturer's datasheet or specifications.

 

Coefficient of thermal expansionat °C 20-100 20-200 20-300 20-400 20-500 20-600
10-6 m/(m*K) 12.1 13.1 13.2 13.5 14.1 14.3

 

Thermal Conductivity °C 20 350 700
W/(m*K) 35.0 39.0 36.0

 

DB6/ DIN 1.2714/ AISI L6 Hardness:

Different hardness according to different Tempering temperature conditions.
- Annealed condition - 255 BHN max
- Hardened and Tempered condition- 38 to 42 HRC
- Hardness variation from surface to core – 20 to 25 BHN

 

Machinability:

The machinability of tool steel DB6/ DIN 2714/ AISI L6 is very good & It rates 90% of the machinability of the W-group water hardening low alloy steels rated 100% as a baseline.

 

Heat Treatment & Processes:

Heat Treatment:

Based on the desired hardness, toughness, and other mechanical properties of the steel required for the particular application, such as shape and size, the precise heat treatment of DB6 Steel / DIN 1.2714 / AISI L6 steel parameters, including rate of heating, austenitizing temperature, cooling, soaking time, quenching media, and tempering temperature, may vary.

 

Hardening:

Preheating at 650°C, quickly raising the temperature to the hardening range of 900–950°C, and quenching in oil.

 

Tempering:

Tempering after-hardening values /MPa|400°C: 1770,
Tempering after-hardening values /MPa|500℃: 1570 ,
Tempering after-hardening values /MPa|600°C: 1320,
Tempering after-hardening values /MPa|650℃: 1180

 

Forging :

Gradually Warm up to 700 °C, then quickly raise the temperature to 1050 °C. Keep forging over 800 °C. After forging, it is important to cool slowly, either in a furnace or in a vermiculite.

 

Stress Relieving:

Heat the component gently to 600–650°C for stress release, and then give it a thorough soak for two hours every 25mm of section. Cool to 500°C in the boiler before circulating freely. Before hardening, tools can then be finished machining.

 

Normalizing:

DB6 Steel / DIN 1.2714 / AISI L6 – Hot-Work Mold Steel should not be normalized due to its air-hardening ability .

 

Annealing:

Soak Thoroughly at 740-760 °C before furnace cooling at a maximum rate of 10 °C per hour down to 600 °C followed by cooling in air.

 

Cold working:

Cold working is needed for shaping or forming the material, it is generally recommended to perform the operations on the steel in its annealed or soft condition before the heat treatment process.

 

Nitriding:

DB6 Steel / DIN 1.2714 / AISI L6 steel can be nitride to give a hard surface case, The steel is very resistant to wear and erosion .Before nitriding the tool steel should be hardened and tempered at approx 50 °C above the nitriding temperature.

 

Welding:

Stress tempering for a pre hardened condition.

 

Quenching:

In order to produce the appropriate hardness and mechanical qualities for DB6/ DIN 1.2714 / AISI L6, quenching is a critical stage in the heat treatment process. The temperature range above the critical temperature (AC3) is required for quenching steel utilizing an oil and air medium in order to completely change the steel's microstructure into a hardened condition.

 

Soft annealing °C Cooling Hardness HB
650-710 Furnace max. 240

 

Hardening °C Quenching Hardness after quenching HRC
840-880 Oil 57
860-900 Air 55

 

Tempering °C after quenching 100 200 300 400 450 500 550 600 650
in Oil - HRC 56 54 52 49 47 46 43 38 34
in Air - HRC 54 52 50 47 45 43 40 36 32

db6
2714

Standard Size Available

 

Applications

Dies for Drop Forging Hammers & Mechanical Presses, Die Molds, Shoe Blocks, Die Holder, Cassettes, Piston Rods, Cranks, Boaster, Shearing Blades, Tools, plastic molds, bearings, chucks parts, rollers, knuckle pins ,clutch pins, shear blades spindles,forming rolls, punches, blanking and forming dies, trimmer dies, clutch parts, pawls Shafts Etc.


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Addition to other Grades:

HCHCR-D2 Steel , HCHCR-D3 Steel , P20+Ni Steel , P20 Steel , DB6 Steel , H13 Steel, H11 Steel, H21 Steel, H10 Steel, H12 Steel, M2 Steel, M35 Steel, M42 Steel, T1 Steel, DIN 2379 Steel, DIN 2080 Steel, DIN 2738 Steel, DIN 2311 Steel, DIN 2714 Steel, DIN 2344 Steel , DIN 2343 Steel, DIN 2581 Steel, DIN 2365 Steel, DIN 2606 Steel, DIN 3343 Steel, DIN 3243 Steel, DIN 3247 Steel, DIN 3355 Steel AISI D2 Steel, AISI D3 Steel, AISI P20+Ni Steel, AISI P20 Steel, AISI L6 Steel, AISI H13 Steel, AISI H11 Steel, AISI H21 Steel, AISI H10 Steel, AISI H12 Steel, AISI M2 Steel , AISI M35 Steel, AISI M42 Steel , AISI T1 Steel

Products

 

  • C-545, Sector-37, Pace City - II, Gurgaon 122001 (Haryana) India
  • C-146, Focal Point, Phase - V, Ludhiana 141010 (Punjab) India

 

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