High-yield Strength S690Q is a quenched and tempered (Q&T) ultra-high strength structural steel plate, complying with EN 10025-6 (material number: 1.8931) and also referenced in China's GB/T 16270-2009. It is engineered for heavy-duty load-bearing structures, delivering an exceptional balance of ultra-high yield strength, good low-temperature toughness, and reliable weldability.
S: Structural steel (for load-bearing components)
690690 MPa (for thickness <=50mm; decreases with increasing thickness)
Q
Mechanical properties of steel S690Q (1.8931)
| 3 - 50 | 50 - 100 | 100 - 150 | |
| Rm - Tensile strength (MPa) | 770-940 | 760-930 | 710-900 |
| 3 - 50 | 50 - 100 | 100 - 150 | |
| ReH - Minimum yield strength (MPa) | 690 | 650 | 630 |
| KV - Impact energy (J) longitud., | 0℃ 40 |
-20℃ 30 |
| A - Min. elongation Lo=5,65 √ So (%) | 14 |
Equivalent grades of steel S690Q (1.8931)
- |
||||||||
| S690Q |
|
|
|
|
A:We accept FOB,CIF,CFR and other international shipping terms.Port of loading can be specified according to customer requirements.
A:We are a professional manufacture and have many years production and management experience.
Populāri tagi: high-yield strength s690q for structure, China high-yield strength s690q for structure manufacturers, suppliers, factory
