Gb T 16270 — Pdf ((hot))
Specialized storage tanks requiring high tensile thresholds. Steel Grades and Designations
Plates are delivered in a quenched and tempered (Q+T) state, which provides a unique balance of high strength and excellent toughness.
When searching for the official PDF document, ensure you are referencing the most active version, as standards are periodically updated by the Standardization Administration of China (SAC). Official copies can be purchased through national standards organizations or authorized technical document distributors. Always ensure the PDF includes the complete annexes covering ultrasonic testing, inspection documents (such as EN 10204 3.1 certification), and dimensional tolerance limits.
: The maximum applicable thickness was increased from 100mm to New Grades : High-strength grades Q800, Q890, and Q960 were added, while the Q420 grade was removed. Refined Scope gb t 16270 pdf
Here are the legitimate ways to get the PDF:
This standard specifies the requirements for dimension, shape, mass, tolerance, technical requirements, testing methods, and packaging for high-strength steel plates that have undergone quenching and tempering (Q&T). It is a vital technical reference for producing and inspecting high-performance structural components. GB/T 16270-2009 Replaced Version: GB/T 16270-1996 Effective Date: 2009-12-01 Applicable Thickness: Up to 150 mm 2. Key Technical Requirements of GB/T 16270
Unlike regular structural steel, GB/T 16270 steels are (Q+T). The PDF specifies that the steel must be heat-treated after rolling to achieve a martensitic or bainitic microstructure. Specialized storage tanks requiring high tensile thresholds
It defines requirements for tensile strength, elongation, and impact energy (Charpy V-notch test) even at low temperatures, such as -40°C or -60°C for specific grades.
): Ranges from 460 MPa up to 890 MPa or higher depending on the grade. Typically spans from 550 MPa to well over 1000 MPa. Elongation (
Buy directly from the Standards Press of China (SPC) or certified international bodies like IHS Markit or Techstreet. Official copies can be purchased through national standards
Note: As plate thickness increases, the yield strength values decrease slightly.
The standard specifies the requirements for high-strength structural steel plates in the quenched and tempered (QT) condition. This report summarizes the key technical specifications and updates from the standard. 1. Overview of GB/T 16270-2009
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Comprehensive Guide to GB/T 16270-2009: High-Strength Quenched and Tempered Steel Plates
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