S690Q Equivalent Materials
- Oct 14, 2026
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S690Q Equivalent Materials
S690Q is a high-yield-strength quenched and tempered structural steel that complies with the European standard EN 10025-6. It features high strength, good toughness, and comprehensive properties suitable for heavy-duty structural manufacturing, and is commonly used in fields such as construction machinery, lifting equipment, mining machinery, bridges, and large-scale steel structures.
When procuring, designing substitutes, or converting between international standards, S690Q may be compared to high-strength steels in other standards; however, equivalent materials do not imply complete identity, and direct substitution based solely on yield strength is not recommended.
Table 1: S690Q Equivalent Materials
| Standard System | Grade | Impact Temperature | Remarks |
|---|---|---|---|
| GB/T 16270 | Q690D | -20°C | Most commonly used approximate equivalent in China; quenched and tempered (Q+T) |
| ASTM | A514 Grade F | -20°C | U.S. standard quenched and tempered high-strength steel; mechanical properties are similar, but chemical composition differs |
| DIN | StE 690V | -20°C | Former German grade, now superseded by EN 10025-6 |
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