DS/EN ISO 898-3:2018

Mechanical properties of fasteners made of carbon steel and alloy steel – Part 3: Flat washers with specified property classes (ISO 898-3:2018)

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This part of ISO 898 specifies mechanical and physical properties of flat washers, designed to be used in bolted joints in combination with bolts, screws, studs and nuts with a specified property class in accordance with ISO 898-1 and ISO 898-2.
Washers that conform to the requirements of this part of ISO 898 are evaluated at an ambient temperature range of 10 °C to 35 °C. These washers are used in applications at low or high temperatures up to a maximum temperature of + 300 °C.
This part of ISO 898 is applicable to the following flat captive and non-captive washers made of carbon steel, alloy steel, spring or alloy spring steel, with thickness from 0,2 mm to 12 mm:
- plain washers (with or without knurls/chamfers);
- square washers;
- square hole washers;
- shaped plates.
It does not specify requirements for such properties as:
- corrosion resistance;
- weldability.

Number of pages: 30

Published: 2018-07-05

Date of approval: 2018-07-03

International relationships : EN ISO 898-3:2018 IDT ISO 898-3:2018 IDT

ICS: 21.060.20 - Nuts

Item number: M314197



  • CEN/TC 185
  • ISO/TC 2
  • ISO/TC 2
  • ISO/TC 2/WG 13
  • ISO/TC 2/WG 13

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