Khaitan Steel Forgings
Khaitan Steel Forgings
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Plastic Mould Steel Bars

Providing you the best range of p20 plastic mould steel round bar with effective & timely delivery.

P20 Plastic Mould Steel Round Bar

P20 Plastic Mould Steel Round Bar
  • P20 Plastic Mould Steel Round Bar
  • P20 Plastic Mould Steel Round Bar
  • P20 Plastic Mould Steel Round Bar
  • P20 Plastic Mould Steel Round Bar
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Approx. Price: Rs 55 / KgGet Latest Price

Product Details:

Thickness/Diameter2-3 inch
Material GradeP20
Single Piece Length3-6 meter
MaterialPlastic Mould Steel

P20 Tool Steel:
  • Low-carbon mold steels or group P steels are of different types that include P2, P3, P4, P5, P6, P20, and P21 steels.
  • Chromium and nickel are the main alloying elements found in group P steels.
  • P20 tool steels are nitrided or carburized.
  • These steels are capable of being machined into complex and large dies and molds.
  • P20 steels are mostly used in the carburized condition.
  • The presence of chromium and nickel enhances the toughness and hardness of P20 steels.

Equivalent materials to P20 tool steels are:

  • DIN 1.2330
  • UNS T51620
  • ASTM A681

Principal Design Features:
  • This alloy is in the category generally labeled as Mold Steels.
  • Nickel and chromium are the alloying elements for hardness and toughness.
  • This alloy is most often used in the carburized condition.

  • P20 tool steels are tempered at 482-593°C (900 to 1100°F) for a Rockwell C hardness of 37 to 28.

  • Annealing takes place at 760-788°C (1400 to 1450°F) and then the steels are cooled slowly in the furnace at a temperature less than 4°C (40°F) per hour.

Cold Working:
  • P20 tool steels are capable of being readily cold worked by using conventional tooling methods with the alloy in the annealed condition.

  • P20 tool steels are forged at 1093°C (2000°F) down to 899°C (1650°F).
  • Forging below 871°C (1600°F) is not recommended for these steels.

  • Conventional methods are used for welding of P20 tool steels.

Heat Treatment:
  • P20 tool steels are heated to 871-899°C (1600-1650°F) in the carburizing medium during the carburizing process.
  • After being carburized, these steels are heated to 816-871°C (1500-1600°F) in order to be hardened and then held for 15 minutes and finally oil quenched.

Chemical composition:
Density 7.85 g/cc 0.284 lb/in3

The thermal properties of P20 tool steels are given in the following table:


T (°C) Treatment
Thermal expansion 12.8 x 10-6/ºC 20-425 -

The following table shows the physical properties of P20 tool steels.

Density 7.85 g/cc 0.284 lb/in3

The mechanical properties of P20 tool steels are displayed in the following table.

Hardness, Brinell (typical) 300 33
Hardness, Rockwell C (typical) 30 30
Tensile strength, ultimate 965-1030 MPa 140000-150000 psi
Tensile strength, yield
827-862 MPa 120000-125000 psi

Elongation at break (in 50 mm (2")) 20.0% 20.0%
Compressive strength 862 MPa 125000 psi
Charpy impact (V-Notch) 27.1-33.9 J 20.0-25.0 ft-lb
Poisson's ratio 0.27-0.30 0.27-0.30
Elastic modulus 190-210 GPa 27557-30457 ksi
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