Steel World
Steel World
Mundka, New Delhi, Delhi
GST No. 07AESPG2194K1Z1
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P20 Steel Supplier

P20 Mold Steel is a versatile, low-alloy tool steel known for its good toughness at moderate strength levels. It’s commonly used for plastic injection mold cavities and tooling, as well as for die casting dies for zinc. P20 is typically sold in the pre-hardened condition with a hardness of approximately 300 HBW. The presence of chromium and nickel enhances its toughness and hardness.Composition:Carbon ©: Typically around 0.28–0.40%.Silicon (Si): Approximately 0.20–0.80%.Manganese (Mn): Usually 0.60–1.00%.Chromium (Cr): Typically 1.40–2.00%.Nickel (Ni): Often 0.80–1.20%.Hardness:Pre-hardened condition: Approximately 300 HBW (Brinell hardness).Toughness:P20 exhibits good toughness, making it suitable for plastic injection molds and die casting dies.Heat Treatment:P20 is typically supplied pre-hardened, but it can be further heat-treated for specific applications.Applications:Plastic injection mold cavities.Tooling.Die casting dies for zinc.

P20 Steel Grade 1.2738H.H. Plate Supplier

P20 Steel Grade 1.2738H.H. Plate Supplier
  • P20 Steel Grade 1.2738H.H. Plate Supplier
  • P20 Steel Grade 1.2738H.H. Plate Supplier
  • P20 Steel Grade 1.2738H.H. Plate Supplier
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Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738H.H. Plate. P20 Steel Grade 1.2738H.H. Plate:
  • Material Description:

    • P20 High Hard (1.2738H.H.) is an improved pre-hardened mold steel specifically designed for large plastic molds.
    • It undergoes forging on a 5000-ton press, ensuring maximum deformation during the forging process.
    • Supplied hardness ranges from 321 to 352 HB (34-38 HRC), with minimal hardness loss in large cross sections.
  • Characteristics:

    • Homogeneous Strength: Suitable even for large dimensions.
    • Applications:
      • Big cavity plates with deep cavities.
      • Highly stressed core components.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F - 900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F – 2000°F: 6.8 x 10⁻⁶/°F
      • 700°F – 4000°F: 7.0 x 10⁻⁶/°F
      • 700°F – 5750°F: 7.1 x 10⁻⁶/°F
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F
      • 4000°F: 209 Btu/in/ft²/hr/°F
      • 8000°F: 216 Btu/in/ft²/hr/°F
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength130 KSI
    • Tensile Strength150 KSI
    • Elongation15%
    • Reduction Area35%
  • Welding:

    • Preheat insert to 900°F – 1000°F and maintain temperature above 800°F during welding.
    • Use TIG with D.C. positive polarity.
    • Slowly cool down to 350°F before post-heat treatment.
  • Polishing:

    • Can achieve an A-2 surface finish with proper procedures.
    • Caution to avoid over-polishing (orange peel effect and pitting).
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P20 Steel Grade 1.2738H.H. Flat Supplier

P20 Steel Grade 1.2738H.H. Flat Supplier
  • P20 Steel Grade 1.2738H.H. Flat Supplier
  • P20 Steel Grade 1.2738H.H. Flat Supplier
  • P20 Steel Grade 1.2738H.H. Flat Supplier
Get Best Quote
Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738H.H. Flat. P20 Steel Grade 1.2738H.H. Plate:
  • Material Description:

    • P20 High Hard (1.2738H.H.) is an improved pre-hardened mold steel specifically designed for large plastic molds.
    • It undergoes forging on a 5000-ton press, ensuring maximum deformation during the forging process.
    • Supplied hardness ranges from 321 to 352 HB (34-38 HRC), with minimal hardness loss in large cross sections.
  • Characteristics:

    • Homogeneous Strength: Suitable even for large dimensions.
    • Applications:
      • Big cavity plates with deep cavities.
      • Highly stressed core components.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F - 900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F – 2000°F: 6.8 x 10⁻⁶/°F
      • 700°F – 4000°F: 7.0 x 10⁻⁶/°F
      • 700°F – 5750°F: 7.1 x 10⁻⁶/°F
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F
      • 4000°F: 209 Btu/in/ft²/hr/°F
      • 8000°F: 216 Btu/in/ft²/hr/°F
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength130 KSI
    • Tensile Strength150 KSI
    • Elongation15%
    • Reduction Area35%
  • Welding:

    • Preheat insert to 900°F – 1000°F and maintain temperature above 800°F during welding.
    • Use TIG with D.C. positive polarity.
    • Slowly cool down to 350°F before post-heat treatment.
  • Polishing:

    • Can achieve an A-2 surface finish with proper procedures.
    • Caution to avoid over-polishing (orange peel effect and pitting).
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P20 Steel Grade 1.2738H.H. Round Supplier

P20 Steel Grade 1.2738H.H. Round Supplier
  • P20 Steel Grade 1.2738H.H. Round Supplier
  • P20 Steel Grade 1.2738H.H. Round Supplier
  • P20 Steel Grade 1.2738H.H. Round Supplier
  • P20 Steel Grade 1.2738H.H. Round Supplier
Get Best Quote
Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738H.H. Round. P20 Steel Grade 1.2738H.H. Plate:
  • Material Description:

    • P20 High Hard (1.2738H.H.) is an improved pre-hardened mold steel specifically designed for large plastic molds.
    • It undergoes forging on a 5000-ton press, ensuring maximum deformation during the forging process.
    • Supplied hardness ranges from 321 to 352 HB (34-38 HRC), with minimal hardness loss in large cross sections.
  • Characteristics:

    • Homogeneous Strength: Suitable even for large dimensions.
    • Applications:
      • Big cavity plates with deep cavities.
      • Highly stressed core components.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F - 900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F – 2000°F: 6.8 x 10⁻⁶/°F
      • 700°F – 4000°F: 7.0 x 10⁻⁶/°F
      • 700°F – 5750°F: 7.1 x 10⁻⁶/°F
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F
      • 4000°F: 209 Btu/in/ft²/hr/°F
      • 8000°F: 216 Btu/in/ft²/hr/°F
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength130 KSI
    • Tensile Strength150 KSI
    • Elongation15%
    • Reduction Area35%
  • Welding:

    • Preheat insert to 900°F – 1000°F and maintain temperature above 800°F during welding.
    • Use TIG with D.C. positive polarity.
    • Slowly cool down to 350°F before post-heat treatment.
  • Polishing:

    • Can achieve an A-2 surface finish with proper procedures.
    • Caution to avoid over-polishing (orange peel effect and pitting).
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P20 Steel Grade 1.2311 Flat Supplier

P20 Steel Grade 1.2311 Flat Supplier
  • P20 Steel Grade 1.2311 Flat Supplier
  • P20 Steel Grade 1.2311 Flat Supplier
  • P20 Steel Grade 1.2311 Flat Supplier
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Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2311 Flat. P20 Steel Grade 1.2311 Plate:
  • Material Description:

    • P20 (1.2311) is a versatile, low-alloy tool steel characterized by good toughness at moderate strength levels.
    • Commonly used for plastic injection mold cavities and tooling, as well as for die casting dies for zinc.
    • Typically sold in the pre-hardened condition with a hardness of approximately 300 HBW.
  • Composition:

    • Carbon ©: Around 0.28–0.40%.
    • Silicon (Si): Approximately 0.20–0.80%.
    • Manganese (Mn): Usually 0.60–1.00%.
    • Chromium (Cr): Typically 1.40–2.00%.
    • Nickel (Ni): Often 0.80–1.20%.
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength: 130 KSI.
    • Tensile Strength: 150 KSI.
    • Elongation: 15%.
    • Reduction Area: 35%.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F–900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F–2000°F: 6.8 x 10⁻⁶/°F.
      • 700°F–4000°F: 7.0 x 10⁻⁶/°F.
      • 700°F–5750°F: 7.1 x 10⁻⁶/°F.
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F.
      • 4000°F: 209 Btu/in/ft²/hr/°F.
      • 8000°F: 216 Btu/in/ft²/hr/°F.
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P20 Steel Grade 1.2738 Round Supplier

P20 Steel Grade 1.2738 Round Supplier
  • P20 Steel Grade 1.2738 Round Supplier
  • P20 Steel Grade 1.2738 Round Supplier
  • P20 Steel Grade 1.2738 Round Supplier
Get Best Quote
Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738 Round. P20 Steel Grade 1.2738 Round:
  • Material Description:

    • P20 (1.2738) is a plastic mold steel, equivalent to AISI P20+Ni Tool Steel.
    • It is specially designed for the plastic mold industry, particularly for large steel mold parts.
    • Supplied in the pre-hardened/quenched and tempered condition with a hardness of approximately 280–320 HB.
  • Composition:

    • Carbon ©: 0.35–0.45%.
    • Manganese (Mn): 1.30–1.60%.
    • Phosphorus (P): 0.03% max.
    • Sulfur (S): 0.03% max.
    • Silicon (Si): 0.20–0.40%.
    • Chromium (Cr): 1.80–2.10%.
    • Molybdenum (Mo): 0.15–0.25%.
    • Nickel (Ni): 0.90–1.20%.
  • Mechanical Properties (Room Temperature):

    • Yield Strength: ≈ 1080 N/mm².
    • Thermal Conductivity at 100°C: 33.5 W/m·K.
  • Heat Treatment:

    • Soft annealing: 710–740°C for 2–5 hours, followed by slow cooling.
    • Hardening: From 840–870°C, quenching in oil.
    • Tempering: Twice recommended.
  • Applications:

    • Die casting dies and injection molds.
    • Synthetic plastic molds, especially large ones.
    • Suitable for nitriding and chrome plating.
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P20 Steel Grade 1.2311 Round Supplier

P20 Steel Grade 1.2311 Round Supplier
  • P20 Steel Grade 1.2311 Round Supplier
  • P20 Steel Grade 1.2311 Round Supplier
  • P20 Steel Grade 1.2311 Round Supplier
Get Best Quote
Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2311 Round. P20 Steel Grade 1.2311 Plate:
  • Material Description:

    • P20 (1.2311) is a versatile, low-alloy tool steel characterized by good toughness at moderate strength levels.
    • Commonly used for plastic injection mold cavities and tooling, as well as for die casting dies for zinc.
    • Typically sold in the pre-hardened condition with a hardness of approximately 300 HBW.
  • Composition:

    • Carbon ©: Around 0.28–0.40%.
    • Silicon (Si): Approximately 0.20–0.80%.
    • Manganese (Mn): Usually 0.60–1.00%.
    • Chromium (Cr): Typically 1.40–2.00%.
    • Nickel (Ni): Often 0.80–1.20%.
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength: 130 KSI.
    • Tensile Strength: 150 KSI.
    • Elongation: 15%.
    • Reduction Area: 35%.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F–900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F–2000°F: 6.8 x 10⁻⁶/°F.
      • 700°F–4000°F: 7.0 x 10⁻⁶/°F.
      • 700°F–5750°F: 7.1 x 10⁻⁶/°F.
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F.
      • 4000°F: 209 Btu/in/ft²/hr/°F.
      • 8000°F: 216 Btu/in/ft²/hr/°F.
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P20 Steel Grade 1.2738 Flat Supplier

P20 Steel Grade 1.2738 Flat Supplier
  • P20 Steel Grade 1.2738 Flat Supplier
  • P20 Steel Grade 1.2738 Flat Supplier
  • P20 Steel Grade 1.2738 Flat Supplier
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Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738 Flat.The 1.2738 Flat Bars, also known as P20+Ni Flats, are a type of plastic mold tool steel primarily used for plastic injection die molds. Here are the key details:
  • Composition: DIN 1.2738 steel contains alloying elements such as nickel, chromium, and molybdenum, which contribute to hardness and toughness.
  • Enhanced Version: It can be seen as an enhanced version of the 1.2311 alloy, with 1% nickel content positively affecting hardenability.
  • Machinability and Polishability: The steel is machinable, polishable, and suitable for texturing.
  • Applications:
    • Used for relatively low-temperature applications, including die casting dies, injection molds, and synthetic plastic molds.
    • Especially suitable for large plastic molds subjected to high stress in the core.
    • Nitriding and chrome plating are possible.
  • Equivalent Grades:
    • German (DIN): 40CrMnNiMo8-6-4
    • USA (ASTM/AISI): P20+Ni
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P20 Steel Grade 1.2738 Plate Supplier

P20 Steel Grade 1.2738 Plate Supplier
  • P20 Steel Grade 1.2738 Plate Supplier
  • P20 Steel Grade 1.2738 Plate Supplier
  • P20 Steel Grade 1.2738 Plate Supplier
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Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2738 Plate.P20 Steel Grade 1.2738 Plate:
  • Material Description:

    • P20 (1.2738) is a plastic mold steel, equivalent to AISI P20+Ni tool steel.
    • Nickel, chromium, and molybdenum are the alloying elements responsible for hardness and toughness.
    • Specially designed for the plastic mold industry, especially for large steel mold parts.
    • Supplied in the pre-hardened/quenched and tempered condition with a hardness of approximately 280–320 HB.
  • Composition:

    • Carbon ©: 0.35–0.45%.
    • Manganese (Mn): 1.30–1.60%.
    • Phosphorus (P): 0.03% max.
    • Sulfur (S): 0.03% max.
    • Silicon (Si): 0.20–0.40%.
    • Chromium (Cr): 1.80–2.10%.
    • Molybdenum (Mo): 0.15–0.25%.
    • Nickel (Ni): 0.90–1.20%.
  • Mechanical Properties (Room Temperature):

    • Yield Strength: ≈ 1080 N/mm².
    • Thermal Conductivity at 100°C: 33.5 W/m·K.
  • Heat Treatment:

    • Soft annealing: 710–740°C for about 2 to 5 hours, followed by slow cooling.
    • Hardening: From 840–870°C, quenching in oil.
    • Tempering: Slow heating to tempering temperature immediately after hardening; minimum time in furnace: 1 hour per 20 mm part thickness; tempering twice is recommended.
  • Applications:

    • Die casting dies and injection molds.
    • Synthetic plastic molds, especially large ones.
    • Suitable for nitriding and chrome plating.
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P20 Steel Grade 1.2311 Plate Supplier

P20 Steel Grade 1.2311 Plate Supplier
  • P20 Steel Grade 1.2311 Plate Supplier
  • P20 Steel Grade 1.2311 Plate Supplier
  • P20 Steel Grade 1.2311 Plate Supplier
Get Best Quote
Approx. Price: Rs 80 / KgGet Latest Price
Product Brochure
Steel World is stockiest, supplier,dealer and manufacturer of the P20 Steel Grade 1.2311 Plate. P20 Steel Grade 1.2311 Plate:
  • Material Description:

    • P20 (1.2311) is a versatile, low-alloy tool steel characterized by good toughness at moderate strength levels.
    • Commonly used for plastic injection mold cavities and tooling, as well as for die casting dies for zinc.
    • Typically sold in the pre-hardened condition with a hardness of approximately 300 HBW.
  • Composition:

    • Carbon ©: Around 0.28–0.40%.
    • Silicon (Si): Approximately 0.20–0.80%.
    • Manganese (Mn): Usually 0.60–1.00%.
    • Chromium (Cr): Typically 1.40–2.00%.
    • Nickel (Ni): Often 0.80–1.20%.
  • Mechanical Properties (Room Temperature, hardened and tempered to 321 BHN):

    • Yield Strength: 130 KSI.
    • Tensile Strength: 150 KSI.
    • Elongation: 15%.
    • Reduction Area: 35%.
  • Heat Treatment:

    • Stress Relieving Temperature: 850°F–900°F (Hold 1 hour per inch; air cool).
    • Tempering: Heat uniformly and thoroughly at the selected temperature, holding for one hour per inch of total thickness.
  • Physical Properties:

    • Density: Approximately 0.284 lbs/in³ at room temperature.
    • Coefficient of Thermal Expansion:
      • 700°F–2000°F: 6.8 x 10⁻⁶/°F.
      • 700°F–4000°F: 7.0 x 10⁻⁶/°F.
      • 700°F–5750°F: 7.1 x 10⁻⁶/°F.
    • Thermal Conductivity:
      • 700°F: 202 Btu/in/ft²/hr/°F.
      • 4000°F: 209 Btu/in/ft²/hr/°F.
      • 8000°F: 216 Btu/in/ft²/hr/°F.
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Sumit Garg (Owner)
Steel World
A-109/1, Cement Wali Gali, Swarn Park, Mundka
New Delhi - 110041, Delhi, India
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