Hot-Dip Galvanized (HDG)
Hot-Dip Galvanized (HDG)

Hot-Dip Galvanized (HDG)

Product Type Hot-Dip Galvanized (HDG)
Product Form HDG Coil HDG Slit Coil HDG Sheet
Thickness (mm) 0.20 – 3.00 0.20 – 2.56 0.22 – 2.56
Width (mm) 725 – 1250 30 – 725 400 – 1250
Length (mm) — — 500 – 4000
Edge condition Mill /Trimmed Trimmed Mill /Trimmed
Coil ID (mm) 508/610
Thickness tolerance (mm) Closer thickness tolerance
Width tolerance As per Standard specification.
Zinc Coating Range (GSM) up to 350 (Standard and other intermediate coatings within the specified range are supplied based on mutual agreement.)
Surface Finish Regular Spangle / Minimized Spangle/Skin passed (Mini / Crushed or Suppressed spangle)
Applicable Standards ASTM/JIS/EN/IS/AS
Specification Material Grade Product Grade Product Grade Product Grade
ASTM A653 Commercial Quality / Lock Forming Quality (LFQ) CS Type A CS Type B CS Type C
Forming Quality FS Type A FS Type B –
Drawing Quality DDS Type A – –
Structural Quality SS 33 (230) SS 37 (255) SS 40 (275)
SS 50 (340) Class 1 SS 50 (340) Class 2 SS 50 (340) Class 4
SS 55 (380) SS 80 (550) Class 1 SS 80 (550) Class 2
EN 10346 Commercial Quality / Lock Forming Quality (LFQ) DX51D – –
Drawing Quality DX51D DX53D –
Structural Quality S220GD S250GD S280GD
S320GD S350GD S550GD
JIS G 3302 Commercial Quality / Lock Forming Quality (LFQ) SGCC SGCH –
Drawing Quality SGCD1 SGCD2 –
Structural Quality SGC340 SGC400 SGC440
SGC490 SGC570 –
AS 1397 Commercial Quality / Lock Forming Quality (LFQ) G1 G2 –
Drawing Quality G3 – –
Structural Quality G250 G300 G350
G450 G550 –
IS 277 Commercial Quality / Lock Forming Quality (LFQ) GP GPL –
Drawing Quality – – –
Structural Quality GP350 Class1 GP450 GPH

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