Product Description: Steel Round Bar 1.3552 / X80MoCrV42-16 / UNS T11350
Steel round bar 1.3552 (X80MoCrV42-16, UNS T11350) is a high-alloy tool steel designed for manufacturing heavily loaded cutting and forming tools. The material combines high hardness, excellent wear resistance, and resistance to thermal loads, ensuring long service life in demanding applications.
General Technical Characteristics
1.3552 steel is characterized by high strength, structural stability, and the ability to retain cutting performance at elevated temperatures. After heat treatment, it achieves high hardness and durability.
Key properties:
- high hardness
- excellent wear resistance
- heat resistance
- good hardenability
Chemical Composition
The composition includes alloying elements that ensure superior performance:
- Carbon (C): approx. 0.75–0.85%
- Chromium (Cr): 3.5–4.5%
- Molybdenum (Mo): 4.5–5.5%
- Vanadium (V): 1.0–1.5%
- Manganese (Mn) and Silicon (Si): in small amounts
Molybdenum and vanadium improve wear resistance and heat resistance.
Mechanical Properties
After heat treatment, the steel typically demonstrates:
- hardness: up to 62–66 HRC
- high wear resistance
- resistance to deformation
- retention of properties at elevated temperatures
Applications
1.3552 steel round bar is used for manufacturing:
- cutting tools
- dies and molds
- industrial knives
- components operating under high loads
It is widely applied in toolmaking and mechanical engineering industries.
Features
Key advantages include:
- high wear resistance
- stability under thermal loads
- long tool service life
- versatility of application
Supply Formats and Standards
The steel is supplied as round bar:
- hot-rolled bars
- ground or calibrated bars
- various diameters available
The material complies with:
- EN ISO 4957
- ASTM A681 (UNS T11350)
Steel round bar 1.3552 is an optimal choice for producing high-quality tools and components where hardness, wear resistance, and reliability under heavy loads are essential.
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