GB/T 4656.1-2000 in English

《GB/T 4656.1-2000技术制图 棒料、型材及其断面的简化表示法》由TC146（全国技术产品文件标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准是对图样画法和尺寸注法的补充规定。主要用于在装配图与详图上对棒料、型材及其断面的简化表示，涉及范围还包括：--由棒料、型材及其组合件组成的金属构件（包括：桥梁、构架、桩基等）；--起重和运输设备；--贮液罐和压力容器；--升降机、电梯、传送带等。

Scope

This standard is a supplementary regulation to drawing method and dimensioning method. It is mainly used for simplified representation of bars, profiles and their sections on assembly drawings and detailed drawings, and also includes: ——Metal components composed of bars, profiles and their combined elements (including: bridges, frames, piles -lifting and transport equipment; -liquid storage tanks and pressure vessels; -lifts, elevators, conveyor belts, etc.