Gb — T 16270 Pdf

Example: A plate marked represents a quenched and tempered steel plate with a 690 MPa minimum yield strength, tested for toughness at -40°C. Technical and Chemical Requirements

Because these are copyrighted national standards, they are usually not available for free legally. You can obtain official copies through: : The official issuer. gb t 16270 pdf

| GB/T 16270 | International Equivalent | Notes | | :--- | :--- | :--- | | | S460Q (EN 10025-6), A514 Grade B (ASTM) | Very close match. | | Q550 | S550Q (EN 10025-6) | Direct mechanical equivalence. | | Q690 | S690Q (EN 10025-6), ASTM A514 Grade Q | The most common interchangeable grade. | | Q960 | S960Q (EN 10025-6) | Niche applications; careful of CEV differences. | Example: A plate marked represents a quenched and

Data compiled from BBN Steel, Gangsteel, and Chinese Standard technical sheets. | GB/T 16270 | International Equivalent | Notes

The steel grade designation follows a specific nomenclature: the letter followed by the specified minimum yield strength value (in MPa), and a quality suffix regarding impact energy.