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7.84g/Cm3 Hot Work Mould Annealed 1.2714 Tool Steel Bar

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7.84g/Cm3 Hot Work Mould Annealed 1.2714 Tool Steel Bar

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Large Image :  7.84g/Cm3 Hot Work Mould Annealed 1.2714 Tool Steel Bar

Product Details:
Place of Origin: CHINA
Brand Name: UST
Certification: ISO
Model Number: 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5)
Payment & Shipping Terms:
Minimum Order Quantity: MOQ3-5 TONS
Packaging Details: Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Delivery Time: Within 5-8 weeks
Payment Terms: L/C, T/T
Supply Ability: 800 ton/month
Detailed Product Description
Grade: 1.2714 Size: 16-800mm
Delivery Condition: Annealed Model: 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5)
Certification: ISO Origin: CHINA
High Light:

1.2714 Tool Steel Bar

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Annealed Tool Steel Bar

1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

 

 

Quick Details

Supply 1 2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

Product Details

USA German Japan British
ASTM A681 DIN EN ISO 4957 JIS G4404 BS 4659
L6/T61206 1.2714/55NiCrMoV7 SKT4 BH224/5


Physical Properties of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel 
  • Modulus of elasticity [103 x N/mm2]: 215
  • Density [g/cm3]: 7.84
  • Thermal conductivity [W/m.K]: 36.0
  • Electric resistivity [Ohm mm2/m]: 0.30
  • Specific heat capacity[J/g.K]: 0.46

Mechanical Properties of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

Properties Metric Imperial
Poisson’s ratio 0.27- 0.30 0.27- 0.30
Elastic modulus 190-210 GPa 27557-30457 ksi

Forging of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

Forge at 1079°C (1975 F) down to 871°C (1600 F). Do not forge below 843°C (1550 F).

1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel Heat Treatment

Hardening

Preheating: Heat 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel at a rate not exceeding 204°C (400°F) per hour (222°C per hour) to 621-677°C (1150-1250°F) and equalize. Soak for 30 minutes for the first inch (25.4 mm) of thickness, plus 15 minutes for each additional inch (25.4 mm).

Quenching

Quench 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel in oil to 66-51°C (150-125°F).

Tempering

Temper 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel immediately after quenching. Hold at temperature for 1 hour per inch (25.4 mm) of thickness when tempering at 204°C (400°F), 4 hours minimum, then air cool to ambient temperature.
However, where increased toughness is desired, at a sacrifice of some hardness, higher tempering temperatures are often used.

1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel does not become brittle, as many other die steels do, when tempered in the range of 232°C to 426°C (450 to 800°F).

To minimize the possibility of cracking, the steel should be tempered immediately after hardening and should be heated slowly to the desired tempering temperature.

Annealing of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

Heat to 760°C (1400°F) and hold one hour per inch of maximum thickness. Then cool slowly with the furnace at a rate not exceeding 28°C per hour(50°F per hour) to 538°C (1000°F). Continue cooling to ambient temperature in the furnace or in air.

For improved machinability, hold at 760°C (1400°F) for 1 hour per inch (25.4mm) of maximum thickness; 2 hours minimum. Then cool slowly with the furnace cool from 677°C (1250°F) to 760°C (1400°F), hold for 8 hours, then air cool to ambient temperature.

Because of its air-hardening ability, 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel should not be normalized.

7. Machinability of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

Machinability of tool steel L6 is very good. It rates 90% of the machinability of the W-group water hardening low alloy steels rated 100% as a baseline.

8. Applications of 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel is for general purpose tools and dies where greater toughness is required, but with some sacrifice of abrasion-resistance.

Typically used below applications:

  1. spindles,
  2. forming rolls,
  3. punches,
  4. blanking and forming dies,
  5. trimmer dies,
  6. clutch parts,
  7. pawls,
  8. bearings,
  9. chucks parts,
  10. rollers,
  11. knuckle pins,
  12. clutch pins,
  13. shear blades

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