YB/T 4758-2019 Active Industry standards-Black metallurgy

YB/T 4758-2019 High-carbon chromium bearing steel ball blanks

Publish Date: 2019-08-27 Implement Date: 2020-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 30

Basic Information

Standard Code: YB/T 4758-2019

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Steel ingots and steel billets

ICS Name: Steel sections

Publish Date: 2019-08-27

Implement Date: 2020-01-01

Pages: 8 pages

Scope

This standard specifies the symbols and definitions, dimensions and allowable deviations, delivery status, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for high-carbon chrome bearing steel balls used in rolling bearings. This standard applies to high-carbon chrome bearing steel balls produced by hot rolling, hot upsetting, and hot die-casting processes.

Development Information

Pages: 8 pages

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