Gb T 16270 Pdf ((new)) Jun 2026
| Parameter | Details | |-----------|---------| | | e.g., Q460E, Q500D, Q550D, Q620D, Q690D, Q890D, Q960D (Q = yield strength in MPa, D/E = impact temperature grade) | | Heat Treatment | Quenched + Tempered (Q&T) | | Yield Strength | 460–960 MPa minimum | | Tensile Strength | Typically 550–1100 MPa depending on grade | | Elongation | Minimum 14–18% (varies by grade) | | Impact Energy | 27 J or 40 J at -20°C, -40°C, or -60°C | | Cold Bending | Mandatory for formability verification |
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Minimum yield strength of 960 MPa (used in ultra-high-load applications). Technical Specifications and Requirements
American standard for high-yield-strength, quenched and tempered alloy steel plate. 2. Precise Manufacturing Tolerances gb t 16270 pdf
For non-Chinese speakers, several third-party vendors offer English translations of GB/T 16270. These are typically available for purchase in PDF format from specialized websites such as chinastandards.net.
To achieve high yield strength without sacrificing weldability, the standard enforces strict limits on carbon, manganese, silicon, phosphorus, and sulfur. It also regulates micro-alloying elements like boron, chromium, molybdenum, nickel, vanadium, and titanium. A low carbon equivalent (CEV) value is prioritized to ensure excellent weld performance in shop and field environments. 2. Mechanical Properties
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. | Parameter | Details | |-----------|---------| | | e
The core value of downloading the official GB/T 16270 PDF lies in accessing its precise data tables. The standard mandates strict control over alloying elements to ensure reliable field performance. Chemical Composition (General Trends)
: Ultra-high-strength options optimized for weight reduction in high-altitude boom trucks. Technical Requirements & Metallurgy
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. their policies apply.
: Steel strip products were canceled, narrowing the standard's focus exclusively to thick steel plates.
International projects often require swapping GB/T 16270 grades with equivalent regional standards. Chinese Standard (GB/T 16270) European Equivalent (EN 10025) American Equivalent (ASTM) A572 Grade 65 Q550D A514 Grade P Q690D A514 Grade F 📥 How to Access the Official GB/T 16270 PDF
The grades are named based on their minimum yield strength (in MPa): Detail of GB/T 16270-2009 - Code of China
