High strength Fine-grain Steels
- Grade: S690Q, S690QL, S690QL1, S890Q, S890QL, S890QL 1, S960Q, S960QL
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Specification, Chemical & Mechanical Performance
Mainly supplied in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality, the products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection,offshore, chemical, oil & gas, military, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture,etc..
- Boiler and pressure vessel steel
- Pipeline steel
- Bridge steel
- Nuclear power steelStructural steel
- Die steel
- High strength steel
- Abrasion resistant steel
- Weathering, corrosion resistant and fire resistant steel
- High rise building steel
- Shipbuilding and offshore engineering steel
High strength Fine-grain Steel Plate
MATERIAL DIMENSIONS | ||||
Marking | Material | Dimensions | ||
Number | Thickness | Width | Length | |
S 690 Q | 1.8931 | 2-200 | 1000-3500 | 13000 |
S 690 QL | 1.8928 | |||
S 690 QL 1 | 1.8988 | |||
S 890 Q | 1.894 | 4-120 | 1000-3000 | 12000 |
S 890 QL | 1.8983 | |||
S 890 QL 1 | 1.8925 | |||
S 960 Q | 1.8941 | 4-100 | 1000-3000 | 12000 |
S 960 QL | 1.8933 |
CHEMICAL COMPOSITION | ||||||||
Marking | Content of Elements - Mass [max.%] | |||||||
C max. | Si max. | Mn max. | P max. | S max | N max. | B max. | Cr max. | |
S 690 Q | 0.2 | 0.8 | 1.7 | 0.025 | 0.015 | 0.015 | 0.005 | 1.5 |
S 690 QL | 0.02 | 0.01 | ||||||
S 690 QL 1 | ||||||||
S 890 Q | 0.025 | 0.015 | ||||||
S 890 QL | 0.02 | 0.01 | ||||||
S 890 QL 1 | ||||||||
S 960 Q | 0.025 | 0.015 | ||||||
S 960 QL | 0.02 | 0.01 |
Marking | Content of Elements - Mass [max.%] | ||||||
Cu max. | Mo max. | Nb max. | Ni max. | Ti max. | V max. | Zr max. | |
S 690 Q | 0.5 | 0.7 | 0.06 | 2 | 0.05 | 0.12 | 0.15 |
S 690 QL | |||||||
S 690 QL 1 | |||||||
S 890 Q | |||||||
S 890 QL | |||||||
S 890 QL 1 | |||||||
S 960 Q | |||||||
S 960 QL |
MECHANICAL PROPERTIES | |||||||||||
Marking | Min. yield strength | Tensile strength | Duct. | Min. Impact Energy KV[J] | |||||||
ReH [MPa] | Rm [MPa] | A[%] | Testing Temperature [°C] | ||||||||
≥3 | >50 | >100 | ≥3 | >50 | >100 | min. | 0℃ | -20℃ | -40℃ | -60℃ | |
≤50 | ≤100 | ≤150 | ≤50 | ≤100 | ≤150 | ||||||
S 690 Q | 690 | 650 | 630 | 770-940 | 760-930 | 710-900 | 14 | 40 | 30 | - | - |
S 690 QL | 50 | 40 | 30 | - | |||||||
S 690 QL 1 | 60 | 50 | 40 | 30 | |||||||
S 890 Q | 890 | 830 | - | 940-1100 | 880-1100 | - | 11 | 40 | 30 | - | - |
S 890 QL | 50 | 40 | 30 | - | |||||||
S 890 QL 1 | 60 | 50 | 40 | 30 | |||||||
S 960 Q | 960 | - | - | 980-1150 | - | - | 10 | 40 | 30 | - | - |
S 960 QL | 50 | 40 | 30 | - |