: The standard was developed to unify the technical requirements for high-yield strength steels, specifically those with yield strengths ranging from 420 MPa to 960 MPa . The current version, GB/T 16270-2009
The is more than just a file; it is a critical tool for anyone sourcing, designing, or fabricating high-strength quenched and tempered steel for the Chinese market or from Chinese mills.
The standard focuses specifically on hot-rolled steel plates with high yield strength, typically utilized in heavy engineering applications where weight reduction and high load-bearing capacity are critical.
Q890 and Q960: Ultra-high-strength grades used in specialized lifting gear and high-pressure vessels where weight reduction is vital. Why Professionals Search for the GB/T 16270 PDF
High-strength structural steel plates and strips: products supplied in the heat-treated or controlled rolled condition