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: Includes common industry workhorses like Q460C/D/E and Q690E . gb t 16270 pdf
: Specifies strict limits for chemical composition, mechanical properties (yield/tensile strength, elongation), and impact toughness at specific temperatures (e.g., Q690E requires impact testing at -40°C ) . If you need the official document for certification
: The plate must be free of cracks, scabs, and lamination. Minor defects can be cleared if they don't reduce thickness below the minimum tolerance. mechanical properties (yield/tensile strength
Mechanical Properties: The standard mandates specific yield strengths, tensile strengths, and elongation percentages for each grade.
High Strength Structural Steel Plates in the Quenched and Tempered Condition