What is 1.8928 (S690QL)
S690QL is a high-strength fine-grained steel. It is suitable for steel structures exposed to severe stresses. This material 1.8928 is used, among other things, to manufacture crane and lifting machines, as well as frame structures (according to the American standard for bridges in ASTM A709 similar to grade HPS 100 + 100W)) and mining machines. A maximum application temperature of up to 500°C is specified in American literature.
International identifiers
Properties of the material 1.8928 (S690QL)
Properties
S690QL can be welded without problems.
Calculate the weight quickly and easily
Heat treatment 1.8928
A targeted heat treatment is recommended to prevent cold cracking.
Chemical composition of 1.8928
| S690QL 1.8928 | C | Si | Mn | P | S | Cr | Mo | Ni | V |
|---|---|---|---|---|---|---|---|---|---|
| min. | |||||||||
| max. | 0,20 | 0,80 | 1,70 | 0,02 | 0,01 | 1,50 | 0,70 | 2,00 | 0,12 |
&nbs
| S690QL 1.8928 | Al | Cu | N | Nb | Ti | Sonstiges |
|---|---|---|---|---|---|---|
| min. | 0,015 | |||||
| max. | 0,50 | 0,015 | 0,06 | 0,05 | B<0,05 / Zr<0,05 |
Areas of application for 1.8928
Instructions for use
- For highly stressed steel structures
- Suitable for applications involving high mechanical loads
- As a high-strength fine-grained structural steel for particularly demanding structures
- For applications with increased strength requirements
- Application temperature according to American technical literature: up to 500°C
Areas of application
- Cranes and lifting equipment
- Frame structures
- Bridge structures
- Mining machinery
- Steel structures subject to high mechanical loads
Form of supply and availability of 1.8928
In stock
Immediately available from stock
Form of supply
plates, rolled, quenched and tempered
Sawn blank
Now available as flame-cut blanks.
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Frequently asked questions about material 1.8928:
For S690Q, impact toughness is tested down to 0 °C. For S690QL, impact toughness is verified at −40 °C, while S690QL1 provides even higher toughness for extreme cold conditions down to −60 °C.
Depending on the plate thickness, the tensile strength is 770–940 MPa. Guaranteed impact toughness is provided down to −40 °C. S690QL offers high load-bearing capacity with low dead weight.
- Cold forming: Possible subject to compliance with the manufacturer's specifications
- Hot forming: Requires subsequent re-quenching and tempering to restore the material's strength
Notice: Specifications contained in following data sheet are provided as a description, liability is excluded!