Tel : 0086-021-60880117
Tel : 0086-021-60880117
S690Q steel is a kind of high yield strength quenched and Tempered structural steel material. The delivery condition for S690Q must be Q+T (quenched and Tempered ). S690Q steel plates also have -20 degree low temperature impact test. The material No. Of S690Q is 1.8931.
Standard : EN 10025-6
Dimension range : 3-150mm * 1000-3800mm * 3000-18000mm
9474f2d3c7418a141ba0C2C09b15ddc1 :
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Mechanical Properties
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Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
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Degree |
Min Value |
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S690Q |
mm |
Min Mpa |
Mpa |
Min % |
-20℃ |
J |
|
5≤t≤50 |
690 |
770-940 |
14% |
30 |
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50＜t≤100 |
650 |
760-930 |
30 |
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100＜t≤150 |
630 |
710-900 |
30 |
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Note: Impact energy for impact test is on longitudinal |
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S690Q high strength steel Chemical Composition :
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Chemical Composition
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
N |
B |
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S690Q |
0.22 |
0.86 |
1.80 |
0.030 |
0.017 |
0.016 |
0.006 |
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Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
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1.60 |
0.55 |
0.74 |
0.07 |
2.1 |
0.07 |
0.14 |
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Carbon Equivalent: CEV=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Thickness, mm
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Max CEV based on the ladle analysis |
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5≤t≤50 |
0.65% |
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50＜t≤100 |
0.77% |
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100＜t≤150 |
0.83% |
Delivery Status : Hot rolling or normalizing + tempering
S690Q LAHS steel plate application :
S690Q steel plate is mainly used in manufacturing plants, general construction and all kinds of construction machinery, such as mining and construction of various types of drilling rigs, electric shovels, electric wheel anti-cart, mining vehicles, excavators, loaders, bulldozers, Cranes, coal mine hydraulic support, and other mechanical equipment and other pieces of machinery.
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