S550GD is available with the following hot dip coatings: S550GD+Z (galvanized), S550GD+ZF (galvanized-iron), S550GD+ZA (galvanized-aluminum), S550GD+AZ (aluminum-zinc).
S550GD+Z hot-dip galvanized steel meets two requirements at once: corrosion protection and use in applications where lightweight structural components are required while maintaining strain resistance.
Main applications: automotive industry, household appliances, electrical and air handling equipment.
S550GD steel plate product parameters
| Standard | ASTM, GB, JIS, EN |
| Grade | S550GD |
| Thickness | 0.3-3.0 mm |
| Width | 30mm-900mm |
| Specific Width | 136/157/178/198/218mm or "make to order" |
| ZM coating | 30-300g/M2 |
| Tolerance | Thickness:+/- 0.02mm Width:+/-5mm |
| Coil ID | 508mm, 610mm |
| Coil Weight | 3-8 tons |
| Production capacity | 5000 tons per month |
| Surface treatment | Chromated/anti-finger (transparent,green,golden) |
| Application | Building Purlin/Decking, Automobile, Household Appliance, PV Mounting/Bracket |
Chemical Composition Of S550GD (Casting Analysis)
| Designation | Chemical composition % by mass max. |
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| Steel grade | Symbols for the types of available coatings | C | Si | Mn | P | S | |
| Steel name | Steel number | ||||||
| S550GD | 1.0531 | +Z,+ZF,+ZA,+ZM,+AZ | 0,20 | 0,60 | 1,70 | 0,10 | 0,045 |
S550GD+Z hot dip galvanized steel mechanical performances and coating adhesiveness:
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Mechanical performances |
Coating adhesiveness |
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Yield strength MPa ≥ |
Tensile strength MPa ≥ |
After breakage percent elongation % ≥ |
Bending center diameter ( a=plate thickness) |
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L0=80mm, b=20mm |
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Nominal thickness mm |
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≤0.7 |
>0.7 |
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S550GD+Z |
550 |
560 |
- |
3 |
- |
a.bending center diameter is 4a in case of nominal thickness>1.5mm.
HDG hot dip zinc coated steel Sheet
Packaging of hot dip zinc coated steel plate
FAQ
Q:What's the name of your company?
A:Gnee (Tianjin) Multinational Trade Co., Ltd.
Q:May I have an inspection of your factory?
A:Sure, you're welcome any time.
Q:Can I personalize the product?
A:The minimum order quantity is more than 3-5 tons, we can meet your personalized requirements.
Q:What is your delivery time?
A:We are based on the quantity of products to determine the delivery time, you can consult us for the answer.
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