SGCC Galvanized Steel is a JIS G3302 compliant hot dipped galvanized steel material, which has become the material of choice for construction, home appliances, automotive, agriculture and other applications due to its corrosion resistance, excellent press formability, high strength, versatility of coatings, low cost, and quality of surface. Depending on the application scenario, Wanzhi Group offers a wide range of customized surfaces such as regular zinc, minimum zinc, no zinc, etc., with customized specifications and coatings.
SGCC Galvanized Steel for Sale
Wanzhi Group sells hot dipped galvanized coils, sheets and strips conforming to international standards such as JIS G3302, ASTM A653/A653M, EN 10346, GB/T 2518, etc. In addition, we provide services such as bending, slitting, flattening, painting, stamping, punching, and pressing, etc., and we can complete the processing of corrugated boards, tubes, strips and profiles.
Mechanical Properties
| Parameter | Standard Requirement | Measured Typical Value |
| Tensile Strength (MPa) | 270-410 | 310-380 |
| Yield Strength (MPa) | No mandatory requirement | 180-320 |
| Elongation A50 (%) | ≥18 (t≤0.8mm) | 20-28 |
| Bending Performance | 180° bend R=0t | Qualified (No cracking) |
| Hardness (HRB) | 40-75 | 50-65 |
Coating Weight
| Coating Code | Zinc Coating (g/m²) | Equivalent ASTM Standard | Applicable Environment |
| Z12 | 120 | G40 | Indoor Dry (C1) |
| Z18 | 180 | G60 | Urban Outdoor (C2) |
| Z22 | 220 | G80 | Industrial Area (C3) |
| Z27 | 275 | G90 | Coastal (C4) |
SGCC Galvanized Steel Surfaces
- Finishes: Regular Zinc Bleed (R), Minimum Zinc Bleed (M), Smooth Finish (S), No Zinc Bleed (N)
- Surface Treatments: Chromate Passivation, Chrome-Free Passivation, Oil Coated, Lacquer Coated
SGCC VS SGCD1/SGCD2 VS SGEH
| Property | SGCC | SGCD1/SGCD2 | SGEH |
| Characteristics | General-purpose cold-rolled galvanized steel | Deep drawing grade cold-rolled galvanized steel | High-strength cold-rolled galvanized steel |
| Strength Grade | 270-400MPa | 270-400MPa | 590-780MPa |
| Formability | General stamping | Deep drawing/Extra deep drawing | Medium |
| Corrosion Resistance | Basic galvanized protection | Same as SGCC | Same as SGCC |
| Cost | Low | Medium | High |
| Typical Applications | General structures, household appliance casings | Complex stretch parts, automotive inner panels | High-strength structures, lightweight components |
SGCC VS SECC
| Comparison Dimension | SGCC (Hot-dip Galvanized) | SECC (Electro-galvanized) |
| Zinc Coating Thickness | 5-25μm (G30-G275) | 3-12μm |
| Corrosion Resistance | Excellent (Neutral salt spray ≥500 hours) | Poor (Neutral salt spray ≤200 hours) |
| Surface Quality | Roughness Ra ≤1.6μm | Roughness Ra ≤0.8μm |
| Cost | Low (Hot-dip process is cost-effective) | High (Electroplating process has high energy consumption) |
| Typical Applications | Construction, household appliances, agriculture | Electronics, precision instruments |
SGCC Galvanized Steel Applications
SGCC galvanized steel has good corrosion resistance, high tensile strength, and is suitable for stamping, bending and other molding processes in the construction, home appliances, automotive, agriculture, warehousing, energy and other fields are widely used.
Construction
- Light steel keel, roof trusses, purlins, wall beams, rectangular ducts, indoor partitions, suspended ceilings and so on.
Home Appliance Manufacturing
- Shells, brackets and ventilation ducts for refrigerators, washing machines, air conditioners and other home appliances, doors, side panels, compressor bases, motor brackets and so on.
Automotive Industry
- Doors, hoods, chassis, exhaust systems, fuel tank brackets, seat slide brackets, interior parts, etc.
Agriculture & Logistics
- Greenhouse skeletons, livestock and poultry house structures, irrigation pipes, shelf columns, pallets, containers, etc.
Infrastructure
- Transmission towers, cable bridges, support knots for photovoltaic systems, etc.
International Grade Comparison
| Property | SGCC (JIS) | ASTM Standard | European Standard | National Standard (GB) |
| Mechanical Properties | No σs requirement | CS Type B | DX51D | CR1 (DC51D) |
| Coating | Z18 | Z18 | G60 (Z180) | Z140 |
| Surface Finish | S | Skin Pass | Skin Pass | Finishing |
SGCC Galvanized Steel Factory in China
Wanzhi Group is an ISO certified galvanized steel factory in China, besides SGCC galvanized steel, we also have a variety of general galvanized steel such as CS Type A/B/C, DX51D+Z, etc. We have not only galvanized steel production line, but also paint galvanized steel production line and other galvanized steel production lines in our factory, which can complete the design and production of metal coated steel, color coated steel, and other galvanized steel. We can design and produce metal coated steel and color coated steel. Leave a message to tell us what specifications of galvanized steel you need and get a free quote.
