YB/T 157-2022 Active Industry standards-Black metallurgy

YB/T 157-2022 Elevator guide rail is made of hot-rolled steel profiles

Publish Date: 2022-09-30 Implement Date: 2023-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB/T 157-2022

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Steel ingots and steel billets

ICS Name: Steel sections

Publish Date: 2022-09-30

Implement Date: 2023-04-01

Scope

This document specifies the ordering content, models, dimensions, shapes, weights, allowable deviations, technical requirements, test methods, inspection rules, packaging, markings, and quality certificates for hot-rolled steel used in elevator guide rails. This document is applicable to hot-rolled steel used in mechanically processed T-type elevator guide rails.

Development Information

Replace the following standards

YB/T 157-1999 Hot-rolled sections for guide rails of lefts

Related Standards

GB/T 4227-1984 abolished_transferred

GB/T 4227-1984 Hot rolled stainless steel with equal leg angles

Publish Date: 1984-03-26

GB 702-1986 Abolished

GB 702-1986 Hot-rolled round and square steels—Dimension, shape, weight and tolerance

Publish Date: 1986-06-07

GB/T 6723-1986 Replaced

GB/T 6723-1986 Cold forming sectional steel—Open sectional steel for general structure—Demension, form, weight and permissible deviations

Publish Date: 1986-08-22

GB/T 6726-1986 Replaced

GB/T 6726-1986 Cold forming sectional steel for cargo vehicle—Demension, form, weight and permissible deviations

Publish Date: 1986-08-22

GB/T 6727-1986 Replaced

GB/T 6727-1986 Cold forming sectional steel for passenger vehicle—Demension, form, weight and permissible deviations

Publish Date: 1986-08-22

GB/T 8649-1988 Abolished

GB/T 8649-1988 Rolling balls

Publish Date: 1988-02-05