Gb T 16270 Pdf -

Verify the for your nominal thickness. Example: For Q690, 3mm to 50mm must have ≥690 MPa yield. For 50mm–100mm, it drops to ≥650 MPa.

Grade Q420 was removed from this standard, while high-performance grades like Q960 were added. gb t 16270 pdf

Revised in 2009, this standard (specifically ) aligns closely with international benchmarks like ISO 4950.3 and EN 10025-6 . It is essential for industries requiring high load-bearing capacity and weight reduction, such as heavy machinery, bridge construction, and pressure vessel manufacturing. Key Specifications of GB/T 16270 Verify the for your nominal thickness

In China, national standards are copyright-protected. Free PDFs found on forums or file-sharing sites are almost always pirated. Using a pirated standard in a legal dispute over steel quality could be problematic. Grade Q420 was removed from this standard, while

Specifications for flexural properties were removed to focus on yield strength and impact toughness. Global Equivalents