ASTM A653 Metal 26 28 30 Gauge Galvanized Steel Sheet
In the field of construction, Hot Dip Galvanized Steel Plate are widely used in roofs, walls, ceilings, partitions and steel structures, etc., and mainly play the roles of anti-corrosion, fire prevention, heat preservation, sound insulation, etc. At the same time, galvanized sheets can also improve the aesthetics and overall performance of a building.
In the field of transportation, Galvanized Steel Sheet are mainly used to manufacture vehicle shells, transportation equipment, ships, bridges, etc. Its corrosion resistance and durability can effectively extend the service life.
Galvanized steel plates are widely used in various industries due to their excellent corrosion resistance, durability, and high strength. Common applications include:
Construction Industry – Used for steel structures, roofing systems, wall panels, building facades, and support components.
Automotive Manufacturing – Applied in vehicle body parts, chassis components, and automotive structural parts requiring corrosion protection.
Industrial Equipment – Used for machinery parts, storage tanks, ventilation systems, and factory facilities.
Energy Projects – Suitable for solar mounting structures, power equipment, cable trays, and electrical cabinets.
Shipbuilding & Transportation – Used in containers, transportation equipment, and corrosion-resistant structural components.
Agricultural Facilities – Applied in greenhouses, farm buildings, livestock houses, and storage facilities.
With strong zinc coating protection and excellent processing performance, galvanized steel plates provide a long-lasting and reliable solution for indoor and outdoor applications.
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Technical Standard
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EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
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Steel Grade |
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440,
SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer’s Requirement |
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Thickness
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customer's requirement
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Width
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according to customer's requirement
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Type of Coating
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Hot Dipped Galvanized Steel(HDGI)
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Zinc Coating
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30-275g/m2
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Surface Treatment
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Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
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Surface Structure
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Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
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Quality
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Approved by SGS,ISO
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ID
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508mm/610mm
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Coil Weight
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3-20 metric ton per coil
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Package |
Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by
seven steel belt.or according to customer's requirement |
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Export market
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Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc
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| Gauge Thickness Comparison Table | ||||
| Gauge | Mild | Aluminum | Galvanized | Stainless |
| Gauge 3 | 6.08mm | 5.83mm | 6.35mm | |
| Gauge 4 | 5.7mm | 5.19mm | 5.95mm | |
| Gauge 5 | 5.32mm | 4.62mm | 5.55mm | |
| Gauge 6 | 4.94mm | 4.11mm | 5.16mm | |
| Gauge 7 | 4.56mm | 3.67mm | 4.76mm | |
| Gauge 8 | 4.18mm | 3.26mm | 4.27mm | 4.19mm |
| Gauge 9 | 3.8mm | 2.91mm | 3.89mm | 3.97mm |
| Gauge 10 | 3.42mm | 2.59mm | 3.51mm | 3.57mm |
| Gauge 11 | 3.04mm | 2.3mm | 3.13mm | 3.18mm |
| Gauge 12 | 2.66mm | 2.05mm | 2.75mm | 2.78mm |
| Gauge 13 | 2.28mm | 1.83mm | 2.37mm | 2.38mm |
| Gauge 14 | 1.9mm | 1.63mm | 1.99mm | 1.98mm |
| Gauge 15 | 1.71mm | 1.45mm | 1.8mm | 1.78mm |
| Gauge 16 | 1.52mm | 1.29mm | 1.61mm | 1.59mm |
| Gauge 17 | 1.36mm | 1.15mm | 1.46mm | 1.43mm |
| Gauge 18 | 1.21mm | 1.02mm | 1.31mm | 1.27mm |
| Gauge 19 | 1.06mm | 0.91mm | 1.16mm | 1.11mm |
| Gauge 20 | 0.91mm | 0.81mm | 1.00mm | 0.95mm |
| Gauge 21 | 0.83mm | 0.72mm | 0.93mm | 0.87mm |
| Gauge 22 | 0.76mm | 0.64mm | 085mm | 0.79mm |
| Gauge 23 | 0.68mm | 0.57mm | 0.78mm | 1.48mm |
| Gauge 24 | 0.6mm | 0.51mm | 0.70mm | 0.64mm |
| Gauge 25 | 0.53mm | 0.45mm | 0.63mm | 0.56mm |
| Gauge 26 | 0.46mm | 0.4mm | 0.69mm | 0.47mm |
| Gauge 27 | 0.41mm | 0.36mm | 0.51mm | 0.44mm |
| Gauge 28 | 0.38mm | 0.32mm | 0.47mm | 0.40mm |
| Gauge 29 | 0.34mm | 0.29mm | 0.44mm | 0.36mm |
| Gauge 30 | 0.30mm | 0.25mm | 0.40mm | 0.32mm |
| Gauge 31 | 0.26mm | 0.23mm | 0.36mm | 0.28mm |
| Gauge 32 | 0.24mm | 0.20mm | 0.34mm | 0.26mm |
| Gauge 33 | 0.22mm | 0.18mm | 0.24mm | |
| Gauge 34 | 0.20mm | 0.16mm | 0.22mm | |
Q1: Are you a manufacturer or trading company?
A: We are a professional steel supplier with extensive export experience, providing galvanized steel plates with stable supply capacity and customized services.
Q2: What galvanized steel plate sizes can you supply?
A: We offer various thicknesses, widths, and lengths. Customized dimensions are available according to customer drawings and project requirements.
Q3: Can you provide material certificates?
A: Yes. We provide complete quality documents, including Mill Test Certificates (MTC), inspection reports, and certificates of origin upon request.
Q4: What quality control measures do you have?
A: We conduct strict inspections on raw materials, zinc coating thickness, dimensions, surface quality, and mechanical properties to ensure consistent product quality.
Q5: What is your minimum order quantity (MOQ)?
A: MOQ depends on product specifications and order requirements. We support flexible solutions for different project sizes.












