X89CrMoV18-1 / 1.3549 Stainless Steel

Steel round bar made of tool steel 1.3549 (X89CrMoV18-1)
General technical characteristics

Tool steel grade 1.3549 (European equivalent X89CrMoV18-1) is a high-alloy stainless steel with an increased chromium content. This grade of steel is characterized by excellent resistance to corrosion and wear, which is ensured by its optimally balanced chemical composition.

Chemical composition of steel 1.3549 (X89CrMoV18-1):

• Carbon (C): 0.85-0.95%
• Chromium (Cr): 17.0-19.0%
• Molybdenum (Mo): 1.0-1.3%
• Vanadium (V): 0.07-0.12%
• Silicon (Si): ≤ 0.45%
• Manganese (Mn): ≤ 0.40%
• Phosphorus (P): ≤ 0.030%
• Sulfur (S): ≤ 0.030%

Mechanical properties

Steel 1.3549 has the following mechanical properties:

In the supplied state (annealed condition):

• Hardness: max 250 HB
• Tensile strength: 750-850 MPa
• Elongation: ≥ 12%
• Impact toughness: ≥ 25 J/cm²

After heat treatment:

• Hardness after quenching: 58-61 HRC
• Tensile strength: 1900-2100 MPa
• Yield strength: 1700-1850 MPa
• Elongation: 8-10%
• Impact toughness: 15-20 J/cm²

Temperature characteristics:

• Quenching temperature: 1020-1050°C
• Tempering temperature: 150-300°C
• Working temperature: up to 500°C
• Forging temperature: 850-1050°C

Application

Steel round bar 1.3549 is widely used in the production of:

• Cutting tools for wood processing
• Knives for the paper and printing industry
• Surgical instruments
• Molds for plastic processing
• Measuring instruments
• Cold-forming dies
• Technological equipment operating in aggressive environments

Features
Key advantages of X89CrMoV18-1 steel:

• Exceptional corrosion resistance due to high chromium content
• Excellent wear resistance and ability to retain cutting properties
• Good machinability in annealed condition
• Minimal deformation during heat treatment
• High strength and toughness
• Excellent polishability
• Dimensional stability during heat treatment
• High heat resistance up to 500°C

Steel products made from 1.3549 steel are supplied in the form of round bars of various diameters in an annealed state. Each batch is accompanied by a quality certificate confirming the chemical composition and mechanical properties of the material.

During machining, it is recommended to use cooling and adhere to the recommended cutting parameters for optimal results. Heat treatment should be carried out strictly following the technological guidelines to achieve the required mechanical properties.

The company supplies steel round bars of 1.3549 in various diameters, guaranteeing high-quality steel products and prompt delivery times. Cutting to size is available according to customer requirements.

Forms made of steel 1.3549 / X89CrMoV18-1