The grades are named based on their minimum yield strength (in MPa): Detail of GB/T 16270-2009 - Code of China
It covers plates used in:
Have you worked with Q690 or Q960 steel before? What challenges have you faced matching GB standards to local regulations? Let me know in the comments below. gb t 16270 pdf
Steel is typically smelted using oxygen converter or electric furnace methods. It usually undergoes secondary metallurgy (vacuum degassing) to reduce impurities like sulfur and phosphorus, which are detrimental to weldability and toughness. The grades are named based on their minimum
Whether you're an engineer, a steel buyer, or a student, here’s a breakdown of what this standard covers and why it’s vital for modern industry. What is GB/T 16270? a steel buyer