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Wind Engineering and Renewable Power Generation

As the world demand for renewable power increases, VKICL play a vital part in manufacturing of renewable power. The plates used in wind engineering are subjected to high wind, tower and buckling loads due to rotation of blades. Thus, these plates are required to have high strength and toughness, good weldability and formability.  VKICL works in partnership with its clients to offer steel plates which are optimized for plates for windmills subjected to high wind speeds and buckling loads due to blades rotation. This helps our clients to lead in the marketplace. VKICL has worked with many wind energy manufacturers like Regen Powertech Private Limites, Gamesa Wind Turbines Private Limited, Suzlon Energy Limited and Inox Wind Limited. VKICL not only believes in sustainable alternate energy solutions, but also invests in the same. Currently, VKICL owns a windmill in Maharashtra.

Mechanical Properties

  • High strength, up to 690 MPa tensile strength
  • Good weldability
  • Corrosion and fatigue resistance
  • Weld bead bend test on demand

Supply condition

  • As-rolled
  • Thermo mechanically processed
  • Furnace normalised
  • Shot blasted & painted

Material Specifications

  • Material - High Strength Low Alloy Steel
  • Thickness - 4mm TO 320mm
  • Width - 1500mm TO 2500mm
  • Length - UP TO 14000mm
  • Max. Weight - 30 MT per plate

Grades & Specifications


A572: Gr 42, Gr 50

A656 Gr 50

IS 2062: E300,E350,E410, E450

SAILMA: 300HI, 350HI, 410HI, 450HI

IS 8500: FE 440, FE 490, FE540, FE 570 

17100: ST 44.3, ST 52.3

BS 4360: 43, 50

EN 10025: S275, S355

EN 10113

G 3101: SS490

G 3106: SM 490, SS520

popular grades in this segment are as follows:


Tubular Towers

EN 10025 S 355 J2+N, S 355, S 235 and in some cases S 420 +N

Support Structures EN 10025 S 355 J2
Rotor Frames/Brakes EN 10025 S 355 J2