Plastics. Styrene acrylonitrile moulding and extrusion materials. Part 1: designationsystem and basis for specifications.
塑料止品。苯乙烯丙烯腈模制和挤制材料。第1部分：规范用标识系统和基础。
2
English Name:Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designationsystem;
简体中文标题：铝和铝合金。重熔、母合金和铸件用合金铝锭的标识。第2部分：基于标识系统的化学符号；
3
The designationsystem of metallic materials in AECMA was introduced in this paper. The coding of conditions in metallic materials was also presented. And some examples were shown.