31CrMoV9 / 1.8519 Nitriding Steel

General Technical Characteristics

Steel round bar 1.8519 (31CrMoV9 / 30Х3МФ) is a high-quality alloyed rolled metal designed for manufacturing critical components in mechanical engineering and other industrial sectors. This round bar belongs to the category of structural steels with a unique chemical composition and excellent mechanical properties.

Rolled Metal Characteristics

• Type: Round bar
• Steel grade: 1.8519 / 31CrMoV9 / 30Х3МФ
• Available diameters: from 10 mm to 250 mm
• Tolerance: In accordance with international standards

Chemical Composition

The uniqueness of 1.8519 steel is defined by its specific chemical composition:

• Carbon (C): 0.28-0.35%
• Silicon (Si): 0.17-0.37%
• Manganese (Mn): 0.40-0.70%
• Chromium (Cr): 1.40-1.80%
• Molybdenum (Mo): 0.15-0.30%
• Vanadium (V): 0.10-0.25%
• Nickel (Ni): up to 0.40%

This combination of alloying elements ensures high strength, wear resistance, and heat resistance of the metal.

Mechanical Properties

Steel round bar 31CrMoV9 has exceptional mechanical characteristics:

• Yield strength: at least 540 MPa
• Tensile strength: 670-850 MPa
• Relative elongation: 14-18%
• Impact strength: more than 50 J/cm²
• Hardness: 200-240 HB

Application of Steel Round Bar 1.8519

Metal rolled in grade 30Х3МФ is widely used in various industries:

• Mechanical engineering
• Power equipment production
• Manufacturing of steam and gas turbines
• Production of pipeline valves
• Creation of parts for chemical industry
• Manufacturing of high-temperature mechanisms

Features of Steel 1.8519

1. High heat resistance: Steel maintains mechanical properties at temperatures up to 600°C.
2. Corrosion resistance: Alloying additives provide resistance to aggressive environments.
3. Weldability: Round bar 31CrMoV9 is easily weldable with preheating and accompanying heating.
4. Heat treatment: Hardening, normalization, and tempering are possible for additional strengthening.

Purchase Advantages

• Guaranteed metal rolling quality
• Compliance with international standards
• Precise geometric dimensions
• Certified products
• Prompt delivery
• Professional specialist consultations

Purchase Conditions

Steel round bar 1.8519 / 31CrMoV9 / 30Х3МФ can be purchased wholesale and retail. Contact our managers for detailed information and order placement.

Reliability, proven by time – steel round bar 30Х3МФ for your production!

Forms made of steel 1.8519 / 31CrMoV9 / 30Х3МФ