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PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods

PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods

230.0 INR/Kilograms
Get a Price/Quote

Product Details:

  • Material Alloy Steel
  • Tolerance H9, H10, H11, or as required
  • Length 3 to 6 meters (customized available)
  • Diameter 16 mm to 350 mm
  • Standard ASTM, DIN, EN, JIS
  • Application Construction, Machinery, Engineering, Automotive Parts
  • Technique Hot Rolled / Forged
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PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods Price And Quantity

  • 230.0 INR/Kilograms
  • 1 Kilograms

PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods Product Specifications

  • 3 to 6 meters (customized available)
  • Alloy Steel
  • H9, H10, H11, or as required
  • Gear, Shaft, Pinion, Engineering Components
  • Bright, Black, Peeled
  • Forging, Heat treatment, Machining
  • Round Bar / Rod
  • Hot Rolled / Forged
  • 15HG
  • 16 mm to 350 mm
  • ASTM, DIN, EN, JIS
  • Construction, Machinery, Engineering, Automotive Parts
  • 15-20%
  • Standard seaworthy export packing
  • 500-750 MPa
  • 170-229 HBW (can be customized after treatment)
  • minimum 300 MPa (varies with size and processing)
  • Annealed or as rolled
  • Annealed, Quenched and Tempered
  • Smooth, Free from Scale

Product Description

PN 15HG is a Polish standard (PN - Polska Norma) structural alloy steel intended for case hardening (carburizing). It offers an excellent balance of core toughness and superficial hardness after surface treatment, preventing surface fatigue and fracturing under high dynamic loads.

Global Cross-Reference & Equivalents

If you are procuring or substituting PN 15HG alloy steel bars, you will find it directly correlates to standard chromium-manganese case-hardening steels globally:

Standard System Designators / Equivalents
PN (Poland) 15HG
EN / W.Nr. (Europe/Germany) 16MnCr5 / 1.7131
GOST (Russia/CIS) 15KhG (15)
SN (Czech Republic) 14 220
AISI/SAE (USA) 5115

Chemical Composition (Typical wt.%)

The chemistry of 15HG relies on manganese to guarantee deep hardenability and chromium to secure high surface hardness and wear resistance after carburization.

  • Carbon (C): 0.12% -0.18%

  • Manganese (Mn): 1.10%- 1.40%

  • Chromium (Cr): 0.70% - 1.00%

  • Silicon (Si): 0.17% -0.37%

  • Phosphorus (P):  0.035%

  • Sulfur (S): 0.035%

Standard Supply States & Mechanical Properties

15HG round bars and rods are typically processed and supplied in specific conditions optimized for your subsequent manufacturing steps:

1. Delivery Conditions

  • Annealed (+A): Maximum hardness around 207 HBW, tailored for high-yield machining or cold shearing.

  • Normalized (+N): Standardizes grain matrix, optimizing dimensional stability prior to heat-treatment cycles.

2. Core Properties (Typical Post-Quench & Temper)

  • Tensile Strength (Rm): 780 -1080 MPa

  • Yield Strength (R):440 MPa

  • Elongation (A): 10%

  • Impact Toughness (KV): 32 J to 45 J minimum

Dominant Industrial Applications

Due to its composition, 15HG is excellent for medium-stressed engineering components up to approximately 35 mm in cross-section that face severe abrasive wear but must resist brittle failure:

  • Gear Transmission: Light-to-medium load spur gears, bevel gears, synchronous rings, and pinions.

  • Shafts & Axles: Spline shafts, universal joint journals, steering linkages, and drive shafts.

  • Machinery Hardware: High-wear components like cam tracks, bushings, clamping pins, and heavy-duty tool holders.



Superior Performance in Demanding Applications

15HG Alloy Steel Bars and Rods are tailored for industries where strength, machinability, and reliability are vital. Their excellent yield and tensile strengths, combined with customizable hardness and advanced processing options, make them ideal for gears, shafts, pinions, and other key engineering components.


Customizable Solutions and Finishing Options

Select from a variety of finishes-bright, black, or peeled-and request specific lengths (3 to 6 meters) or diameters (16 mm to 350 mm) to fit your project's requirements. Each bar is meticulously processed via hot rolling or forging, followed by machining or heat treatment as necessary.

FAQ's of PN 15HG Alloy Steel Bar 15HG Round Bars 15HG Rods:


Q: How are 15HG Alloy Steel Bars and Rods typically processed?

A: They are manufactured using hot rolling or forging techniques, and can undergo machining, annealing, quenching, and tempering. This allows for precise control over their mechanical properties and surface quality, ensuring suitability for demanding engineering applications.

Q: What are the common uses for 15HG round bars and rods?

A: These bars and rods are frequently used in construction, machinery, automotive, and engineering industries, notably in the creation of gears, shafts, pinions, and various structural or mechanical components requiring high strength and reliability.

Q: When can the hardness or mechanical properties be customized?

A: Custom mechanical properties, including hardness, can be specified during or after production through processes such as heat treatment or controlled cooling. Please discuss your requirements with the supplier during the ordering phase.

Q: Where are 15HG alloy steel products usually supplied from and to?

A: They are produced, stocked, and exported from India, serving clients worldwide. These products comply with well-known standards such as ASTM, DIN, EN, and JIS, facilitating international trade and engineering compatibility.

Q: What is the benefit of choosing 15HG Alloy Steel Bars with standard or custom tolerances?

A: Tighter or specified tolerances (like H9, H10, H11) ensure compatibility with precise engineering designs, reducing the need for further machining and helping maintain quality assurance in finished components.

Q: How are these alloy steel bars packaged for delivery?

A: All products are packed using standard seaworthy export packaging to ensure safe transportation and protect against damage during shipping, especially for international orders.

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