If you need help analyzing specific requirements of this standard, let me know:
Industries like construction, heavy machinery, and shipbuilding constantly demand stronger, lighter materials. To ensure safety and consistency, engineers rely on national and international manufacturing standards.
Note: Higher grades (Q690) often require micro-alloying elements like Nb (Niobium), V (Vanadium), Ti (Titanium), and sometimes Cr (Chromium) or Mo (Molybdenum).
Improved chemical compositions for specific grades to enhance weldability and toughness. Conclusion gb t 16270 pdf
Plates are delivered in a quenched and tempered (Q+T) state, which provides a unique balance of high strength and excellent toughness.
GB/T 16270-2009 is a crucial Chinese national standard, formally titled "High strength structural steel plates in the quenched and tempered condition". It is a "Recommended" standard, identified by the "/T" in its designation, which means compliance is encouraged but not mandatory by law.
The chemical composition must adhere to strict limits to ensure weldability and hardenability. The "Carbon Equivalent" (CEV) is a primary control metric to assess weldability. If you need help analyzing specific requirements of
Whether you are sourcing material for a new crane or designing a high-rise, having a legitimate is essential for compliance and quality control. The best way to access the GB/T 16270 PDF is through the official Chinese standards platform for a free preview or through commercial vendors like Chinese Standard Store or ChinaStandards.net for a fully downloadable, print-ready copy.
It covers plates used in:
Ensures the steel remains ductile and resists brittle fracture in freezing environments. International Equivalent Grades It is a "Recommended" standard, identified by the
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.
Offers the English translation of the PDF.