Unit:
毫米(mm) |
| ①,The size in parentheses should be avoided if possible. ②,Material: a)Steel, Strength class: 8mm≤d≤16mm: 8,10,12；16mm < d≤39mm: 8,10,12；d < 8mm and d > 39: subject to agreement。Standard ISO 898-2 Note: 8mm≤d≤16mm: 8, Tempering is possible according to the manufacturer's decision and in accordance with ISO 898-2; Other classes: Quenching and tempering is required according to ISO 898-2 b)Stainless steel, Strength class: 8mm≤d≤16mm: A2-70, A4-70, A4-80；16mm < d≤39mm: A2-50, A2-70, A4-70, A4-80；d < 8mm and d > 39: subject to agreement。Standard ISO 3506-2 |
