DIN 9021

  • DIN 9021 designs large, flat washers for various applications.
  • Distinct size distributes load evenly, preventing damage.
  • Common in construction, automotive, and manufacturing industries.
  • Materials include stainless steel, brass, and plastic.
  • Compliance ensures secure, reliable fastening systems.

Uses of DIN 9021

  • Load distribution: Evenly disperses pressure in fastening systems.
  • Damage prevention: Reduces wear and tear on connected surfaces.
  • Vibration dampening: Stabilizes connections in machinery or vehicles.
  • Spacer: Adjusts spacing or alignment between components.
  • Corrosion resistance: Materials protect against rust and chemical damage.

Materials for DIN 9021

  • Stainless Steel:
  • ANSI/ASME: SS304 (A2), SS316 (A4)
  • ASTM: A193 (Grade B8, B8M)
  • DIN: 1.4301 (A2-70), 1.4401 (A4-70)
  • Carbon Steel:
  • ANSI/ASME: Grade 2, Grade 5, Grade 8
  • ASTM: A307 (Grade A, B, C), A325, A490
  • DIN: 1.0401 (C15), 1.0503 (C45)
  • Brass:
  • ASTM: C26000 (Cartridge Brass), C27000 (Yellow Brass)
  • DIN: 2.0321 (CuZn37), 2.0401 (CuZn20)

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