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High Strength Structural Steel Plate

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Product Description
Extreme High Strength (1100mpa)
A High Yield Strength steel for welded and weight–saving structures
Sinoleopard Ultra 1100 is a quenched and tempered steel for structures with higher strength. Thanks to a minimum yield strength of 1100 N/mm², Sinoleopard Ultra 1100 enables weight savings or supports higher stresses and thus carries higher payloads.
With a high-quality steelmaking process, an adapted chemical analysis (low alloying content), and a refined manufacturing process (uniform mechanical characteristics), Sinoleopard Ultra 1100 is easy to machine, bend, and weld, which simplifies production and maintenance.
Chemicalcomposition
C
0.2
Mn
1.4
Si
0.3
Cr
0.7
Mo
0.65
P
0.01
S
0.005
V
0.01
Ni
2
Cu
0.2
Al
0.05 to 0.080
Carbon Equivalent
Thickness range – mm (*)
C.Eq
8 – 15 mm
≤ 0.75
Mechanical Properties
Thickness
Mp 0.2/Y.S. 0.2 N/mm²(ksi)
UTS N/mm²(ksi)
Elongation A 5%
8 – 15 mm
1100 (160)
1250 – 1450 (181 – 210)
10
Application
Heavy trucks and trailers– main beams, chassis frames, and suspension components designed for higher payload and reduced vehicle weight.
Construction and lifting machinery– crane booms, arms, outriggers, and base frames requiring high strength and fatigue resistance.
Agricultural and forestry equipment– structural frames and working arms exposed to heavy-duty mechanical stress.
Railway vehicles– body structures, underframes, and support beams where strength and weight savings are critical.
Shipbuilding and offshore structures– decks, reinforcements, and support members requiring high strength and reliability in harsh environments.
Bridges and building frameworks– high-strength beams and trusses used to achieve lighter, more efficient construction designs.
Industrial equipment frames– support structures for heavy machinery, boilers, and heat exchange systems.

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sales1@sinoleopard.com
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