Hiten 780 Steel Plates, Hiten 780 equivalent & Hiten 780 Plates

Hiten 780 High Tensile Steel Plates Supplier


Hiten 780LE High Tensile Steel Plates Sheets, Low Alloyed High Strength Plates Sheets, Hiten 780 Steel Plates Sheets and A514 JFE HITEN 780LE Steel Plates Sheets

Leomet Alloys are one of the prominent Hiten 780 High Tensile Steel Plates Supplier, Manufacturer & Exporters. In accordance with the technical evolution, structures or pressure vessels are becoming bigger, and more highly pressurized recently. To maintain the safety of those structures, consequently, customers have required high strength steel plates with good weldability and high toughness. To meet the rapidly growing customer requirements, JFE Steel has developed wide range of high tensile strength steel plates such as 590~980N/mm2 class, with their own special characteristics. These are called JFE-HITEN, and JFE Steel wins a popularity in the world

High Strength -- JFE-HITEN is low-alloyed high-strength steel plate manufactured by TMCP, or quenched and tempered. Because JFE-HITEN offer high strength, it results in a significant reduction in the weight of welded structures.

Good Weldability -- JFE-HITEN, of which chemical composition is controlled by specific procedure, offers low carbon equivalent and excellent weldability. JFE Steel also supplies welding materials suitable for JFE-HITEN effectively, and thereby enjoys acceptances by customers.

Excellent Notch Toughness -- JFE-HITEN offers high notch toughness because it is produced by closely controlling the chemical composition and heat treatment conditions. Application of JFE-HITEN ensures construction of structures providing high reliability against brittle fracture.

Excellent Uniformity and Clean Surface -- Rolled on the most modern plate mill under rigid quality control, JFE-HITEN has excellent uniformity in properties, flatness and surface finish. In addition, slab surfaces are carefully scarfed, powerful water jets are used during rolling, and non-oxidizing atmosphere furnaces are used for heat treatment. Consequently, JFE-HITEN has smooth, and clean surfaces.

Good Workability -- Because JFE-HITEN features good ductility, it offers not only good formability, but also good machinability, making it easy to drill and cut.

Wide Range of Sizes -- JFE-HITEN are available in widths of up to 5,350mm, and in lengths of up to 27,000mm, and then contributes to saving expenses

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Hiten 780 High Tensile Steel Plates

Chemical Composition of Hiten 780 High Tensile Steel Plates

Grade C Si Mn P S Cu Ni Cr Mo V Nb B Ti Ceq
Hiten 780LE 0.20 max 0.40 max 1.40 max 0.025 max 0.015 max ..... ..... 0.20 max 0.15 max 0.08 max ..... 0.005 max .... 0.40 max

Mechanical Properties of Hiten 780 High Tensile Steel Plates

Tensile test
Yield point or proof stress (N/mm2) Tensile strength (N/mm2) Elongation Test piece JIS
Thickness (mm) Min.elongation (%)
685   N/mm2 min. 780 – 930  N/mm2  


Thick – 16
16 < t
20 < t
No 5
No 5
No 4

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