EN 2036:2017

Overview

EN 2036:2017 is a European Standard established by CEN that specifies the dimensions, tolerances, and physical constants for ground round steel bars used in aerospace construction. Developed by the Aerospace and Defence Industries Association of Europe (ASD-STAN), this standard ensures consistency, quality, and interchangeability of steel bars critical to aerospace manufacturing. By defining a tight tolerance class (h 8), EN 2036:2017 supports the production of precision components essential for aerospace safety and performance.

Key Topics

• Dimensions and Tolerances:
  EN 2036:2017 details nominal sizes of round steel bars ranging from 1 mm to 50 mm in diameter, with corresponding tolerances under the h 8 class. This tolerance defines the acceptable deviations ensuring accurate fit and function in aerospace assemblies.

• Physical Constants:
  The standard provides physical data including cross-sectional area and linear mass (kg/m), calculated based on a steel density of 7.85 kg/dm³. These constants facilitate the engineering design and material selection process.

• Material Specification:
  While the document references material standards such as EN 2030 for steel grades like X105CrMo17, the focus of EN 2036:2017 is on ground round bars whose metallurgical properties complement aerospace applications.

• Designation and Marking:
  EN 2036:2017 outlines a clear designation system combining product name, material standard, size codes, and reference to this dimensional standard. Marking of products must comply with technical specification requirements to ensure traceability and identification.

Applications

• Aerospace Manufacturing:
  EN 2036:2017 round ground steel bars serve as fundamental stock materials for manufacturing aerospace components like shafts, pins, fasteners, and structural elements where dimensional precision and material performance are critical.

• Quality Control and Inspection:
  The defined dimensional tolerances and physical properties enable manufacturers and inspectors to verify product conformity during production and upon delivery, ensuring components meet tight aerospace industry requirements.

• Design and Engineering:
  Aerospace engineers utilize the standardized dimensions and tolerances to design reliable parts and assemblies, minimizing risks related to mechanical fit issues and variability in raw materials.

• Supply Chain Consistency:
  Suppliers use EN 2036:2017 to provide consistently sized and qualified steel bars, enhancing interoperability and reducing delays in aerospace manufacturing workflows.

Related Standards

• EN 2030: Aerospace series steel grades such as X105CrMo17, providing the metallurgical specifications for hardened and tempered steel bars.
• EN 4700: Technical specifications related to steel and heat resisting alloy wrought products used in aerospace applications.
• ISO 286: International standard for geometrical product specifications (GPS), defining the ISO code system for tolerances on linear sizes, supporting the tolerance classes referenced in EN 2036:2017.

Summary

EN 2036:2017 establishes the essential dimensional and tolerance requirements for ground round steel bars used in the aerospace industry, promoting high precision and quality in aerospace construction. Applying this standard helps manufacturers and engineers achieve consistent material performance, improved product reliability, and enhanced supply chain coordination, making it a key reference for aerospace material specifications and quality assurance.

Keywords: EN 2036:2017, round steel bars, aerospace steel bars, ground steel bars, dimension tolerances, aerospace standards, steel bar tolerances h8, aerospace construction materials, CEN standards, aerospace manufacturing materials