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Galvanized Steel

Home Galvanized Steel

Sheet Metal

Galvanized Steel / Zintec Steel Sheets

(CQ) – For general forming and fabrication
  • Drawing Quality (DQ) – For moderate drawing applications.
  • Deep Drawing Quality (DDQ) – For complex forming and stamping.
  • Extra Deep Drawing Quality (EDDQ) – For critical forming operations.
  • Structural Quality (SQ) – For structural and load-bearing uses.
  • High Strength Low Alloy (HSLA) – For automotive and construction.
ASTM Standards

(commonly used in India)

ASTM A653 / A653M – Galvanized Steel Sheets

  • Commercial Steel (CS, Type A/B/C)
  • Forming Steel (FS)
  • Deep Drawing Steel (DDS)
  • Extra Deep Drawing Steel (EDDS)
  • Structural Steel (SS, Grade 33–80)
  • High Strength Low Alloy Steel (HSLAS, Class 1/2)

ASTM A924 – General requirements for coated steel.

EN Standards

(European, also used in Indian imports/exports)

EN 10346 – Continuous hot-dip coated steel :

  • DX51D – General applications
  • DX52D – Drawing quality
  • DX53D – Deep drawing
  • DX54D / DX56D – Extra deep drawing
  • S220GD to S550GD – Structural grades (with increasing strength)
JIS Standards

(Japanese, followed by some Indian mills)

EN 10346 – Continuous hot-dip coated steel :

  • DX51D – General applications
  • DX52D – Drawing quality
  • DX53D – Deep drawing
  • DX54D / DX56D – Extra deep drawing
  • S220GD to S550GD – Structural grades (with increasing strength)
as per IS 277

Coating Mass (Zinc)

Z80

Z120

Z180

Z275

Z350

Z450

Z600

(Example: Z275 = 275 g/m² total zinc coating, ~20 µm per side)

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