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Standard has been withdrawn without replacement
DIN 6798 A | steel | spring steel | zinc-plated, thick-film passivated (VZD) | Cr(VI) - free
Note: Norm has been withdrawn without replacement.
Surface (VZD): galvanized, thick-film passivated, min. 5µm | corrosion resistance to DIN EN ISO 9227*: white rust 72h, red rust 144h | defined coefficient of friction µ(total) = 0.12 - 0.18 for elements with a nominal tensile strength ≥ 800 MPa
*The verification of the mentioned minimum requirements is carried out according to the test conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.
Note: Norm has been withdrawn without replacement.
Surface (VZD): galvanized, thick-film passivated, min. 5µm | corrosion resistance to DIN EN ISO 9227*: white rust 72h, red rust 144h | defined coefficient of friction µ(total) = 0.12 - 0.18 for elements with a nominal tensile strength ≥ 800 MPa
*The verification of the mentioned minimum requirements is carried out according to the test conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.
Cr(VI) Note:
Cr(VI)-free
Form:
Round
Risk hydrogen embrittlement:
Material:
Spring steel
Surface:
zinc-plated, thick-film passivated (VZD)
Product group:
Washers
RoHS conformal:
Material:
Spring steel
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Fastening and assembly technology: Products and services
The Manual of fastening Technology: 8th edition
