Tel : 0086-021-60880117
Tel : 0086-021-60880117
S550QL1 steel is a kind of high yield strength quenched and Tempered structural steel material. The delivery condition for S550QL1 must be Q+T (quenched and Tempered ). S550QL1 steel plates also have -60 degree low temperature impact test. The material No. Of S550QL1 is 1.8986.
Standard : EN 10025-6
Dimension range : 3-150mm * 1000-3800mm * 3000-18000mm
S550QL1 high yield strength Q+T heat treatment steel Mechanical properties
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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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S550QL1 |
mm |
Min Mpa |
Mpa |
Min % |
-60℃ |
J |
|
5≤t≤50 |
550 |
640-820 |
16% |
30 |
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50＜t≤100 |
530 |
640-820 |
30 |
|||
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100＜t≤150 |
490 |
590-770 |
30 |
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Note: Impact energy for impact test is on longitudinal |
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EN 10025-6 S550QL1 steel sheet 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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S550QL1 |
0.22 |
0.86 |
1.80 |
0.025 |
0.012 |
0.016 |
0.006 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
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 |
|
5≤t≤50 |
0.65% |
|
50＜t≤100 |
0.77% |
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100＜t≤150 |
0.83% |
Delivery Status : Rolling, rolling or normalizing probe
S550QL1 LAHS steel plate application :
S550QL1 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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