Product : Amstrong® Ultra 690QL plate
Kategori : High Yield Strength Steel for Welded and Weight
Standard: EN 10025-6
Grades : Amstrong® Ultra 690QL & 690QL1
Equivalent
S690QL, EN 10025-6, EE 690 TIIK4, NFA 36 – 204,
Characteristic
Amstrong® Ultra 690QL is a high strength quenched and tempered steel dedicated for structure and enables to make weight savings thanks to a minimum yield strength of 690 N/mm².
Thanks to its exceptional purity rate (very low sulphur and phosphorous contents), and its adapted chemical analysis, the Amstrong® Ultra 690QL steel is easy to shape and to weld.
Chemical Composition (weight %)
| Grade | C | Mn | Si | Cr | Mo | P | S | V | Ni | Cu | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 690QL | 0.20 | 1.60 | 0.50 | 1.50 | 0.60 | 0.02 | 0.010 | 0.080 | 1.0 | 0.50 | 0.02 to 0.05 |
| 690QL1 | 0.20 | 1.60 | 0.50 | 1.50 | 0.60 | 0.02 | 0.02 | 0.080 | 1.35 | 0.50 | 0.02 to 0.05 |
Carbon Equivalent
| Amstrong Ultra 690QL | Amstrong Ultra 690QL1 | |||
|---|---|---|---|---|
| Thickness range – mm (*) | C.Eq | Thickness range – mm (*) | C.Eq | |
| <= 20 (.78") | <= .45 | <= 20 (.78") | <= .45 | |
| 20.01 – 120 (.79″ – 4.73″) | <= .55 | 20.01 – 60 (.79″ – 2.36″) | <= .55 | |
| 120.01 – 150 (2.37″ – 4.73″) | <= .58 | 60.01 – 120 (2.37″ – 4.73″) | <= .58 | |
| 120.01 – 150 (4.74″ – 5.9′) | <= .61 |
Mechanical Properties 690QL
| Thickness | Y.S. 0.2 N/mm²(ksi) | UTS N/mm²(ksi) | Elongation A 5% | |
|---|---|---|---|---|
| <= 50 mm (2") | 690 (100) | 770 – 940 (112 – 136) | 14 | |
| 50 | 650 (94) | 760 – 930 (110 – 130) | 14 | |
| 100 | 630 (91) | 710 – 900 (103 – 130) | 14 |
Amstrong® Ultra 690QL1
Amstrong® Ultra 690QL1 is a high strength quenched and tempered steel dedicated for structure and enables to make weight savings thanks to a minimum yield strength of 690 N/mm2.
Thanks to its exceptional purity rate (very low sulphur and phosphorous contents), and its adapted chemical analysis, the Amstrong® Ultra 690QL1 steel is easy to shape and to weld.
Mechanical Properties 690QL1
| Thickness | Y.S. 0.2 N/mm²(ksi) | UTS N/mm²(ksi) | Elongation A 5% | |
|---|---|---|---|---|
| <= 10 mm (0.4") | 690 (100) | 770 – 940 (112 – 136) | 14 | |
| 10 | 690 (100) | 770 – 940 (112 – 136) | 14 | |
| 50 | 650 (94) | 760 – 930 (112 – 134) | 14 | |
| 100 | 630 (91) | 710 – 900 (103 – 130) | 14 |
[Referensi: Arcelormittal steel]
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