GB 440-1977
Active
GB/T 7631.7-2025
Active
National standards
GB/T 7631.7-2025 Lubricants,industrial oils and related products(class L) of classification—Part 7:Family C(gear systems)
GB/T 7631.7-2025 Lubricants,industrial oils and related products(class L) of classification—Part 7:Family C(gear systems)
Price:
$ 50
Basic Information
Standard Code:
GB/T 7631.7-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Petroleum products
ICS Name:
Lubricants, industrial oils, and related products
Publish Date:
2025-10-05
Implement Date:
2026-05-01
Pages:
12 pages
Scope
This document specifies the detailed classification of Group C (gears) products in Category L (lubricants, industrial oils, and related products). When using this document, it is necessary to refer to GB/T 7631.1 for a better understanding.
This document applies to the classification of industrial gear lubricants and does not include the classification of vehicle gear lubricants.
Development Information
Replace the following standards
Referenced Standards
Adopt standards
ISO 6743-6:2018
Related Standards
GB/T 3142-1982
Replaced
GB/T 3142-1982 Lubricants—Determination of load-carrying capacity (four balls method)
GB/T 3498-1983
Replaced
GB/T 3498-1983 Lubricating greases—Determination of dropping point (wide temperature range)
GB/T 4929-1985
Active
GB/T 4929-1985 Lubricating grease—Determination of dropping point
GB/T 5018-1985
Replaced
GB/T 5018-1985 Standard test method for corrosion preventive properties of lubricating greases
GB/T 6144-1985
Replaced