Steel

Hot-Dip Galvanized Steel (HDG)

Cold-rolled steel strip coated with a layer of zinc using the hot-dip method. The zinc coating provides reliable corrosion protection while preserving the plasticity and strength of the base metal — allowing cold profiling and forming without cracking at bends.

Applications

Key advantages

• Increased corrosion resistance
• Durable and strong coating
• Resistance to aggressive weather conditions
• High plasticity and strength of the metal base

Coil dimensions

Thickness

0.3–1.5 mm

Width

800–1250 mm

Inner diameter

508 / 610 mm

Outer diameter

900–1850 mm

Weight

5–15 tons

Surface protection

Steel grades — GOST 14918-2020

• St3ps — grades 01, 02, 03 (general / bending / deep drawing)
• Grades 220, 250, 280, 320 — cold-formed construction products
• Coating classes: 80, 100, 120, 150, 180, 200, 225, 250, 275, 300
• Spangle: Normal (N) / Minimal (M); edge: unedged

Steel grades — EN 10346

• DX51D, S220GD, S250GD, S280GD
• Zinc coating: Z100, Z140, Z200, Z225, Z275, Z300
• Spangle: Normal (N) / Minimal (M)

Zinc coating types (visual)

• № 1 — Minimal spangle, skin-passed
• № 2 — Normal spangle
• № 3 — No spangle
• № 4 — Minimal spangle

Galvanized temper-rolled steel for painting available on request. Specific dimensions and features agreed at time of order.

Pre-Painted Galvanized Steel (PPGI / Color Coil)

Cold-rolled galvanized steel with a multilayer polymer color coating applied on both sides. Combines high corrosion resistance with decorative finish. Widely used in roofing and facade applications, with a wide RAL palette including textured finishes.

Applications

Key advantages

• High corrosion resistance
• High UV protection
• High resistance to mechanical damage and abrasion
• Wide color palette (RAL)
• Guaranteed coating durability

Coil dimensions

Thickness

0.3–0.7 mm

Width

800–1250 mm

Inner diameter

508 / 610 mm (with cardboard sleeves)

Outer diameter

900–1850 mm

Weight

2.5–15 tons

Coating structure (inside out)

• Finishing color coat (front)
• Primer
• Conversion chemical layer
• Zinc coating
• Steel base
• Protective color coat (back)

Coating properties

Metal base

Hot-dip galvanized steel (GOST 14918-2020 / EN 10346:2015)

Topcoat

Polyester enamel

Primer

Polyester primer

Backcoat

Polyester enamel

Color

RAL catalogue, ΔE ≥ 1.0

Topcoat performance

Adhesion after drawing

0%

Reverse impact strength

≥ 5 J

Tensile strength

≥ 6 mm

T-bend (180°)

≥ 2T

Coating hardness

≥ F

Abrasion resistance (IEC)

≥ 100 double passes

Available RAL colors

Textured coatings available in brown and anthracite.

Single-sided and double-sided front color coating available. Production without back protective coating also possible. Specific dimensions and characteristics agreed at time of order.