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ÖNORM EN 3301:2008-04

Действует
Aerospace series - Bolts, T-head, close tolerance medium thread length in heat resisting steel FE-PM1708 (FV535), uncoated - Classification: 1 000 MPa / 550 °C
This standard specifies the technical, qualification and quality assurance requirements for bolts in material FE-PM1708 (FV535) of tensile strength class 1 000 MPa at room temperature, maximum test temperature of material 550 °C. Primarily for aerospace applications it is applicable to such bolts when referenced on the product standard or drawing.
ICS
49.030.20 Bolts, screws, studs / Болты, винты, шпильки