Galvanized Steel Coil
S280GD galvanized steel is a structural hot-dip galvanized steel with a minimum yield strength of 280MPa. Produced under EN 10346, ASTM A653, and JIS G3302 standards, our range includes coils, roofing panels, appliance casings, structural tubes, and custom profiles.
Hot Dipped Galvanized Steel Sheet in Coil (GI coil) is produced by passing theFull Hard sheet which has undergone the acid washing process and rollingprocess through the zinc pot, thereby applying zinc film to the surface.
It has excellent corrosion resistance, paintability, and workability due toZinc's characteristic. Usually hot dipped galvanized steel sheet andgalvanized steel coil process and specifications are basically the same.

Specifications Table
| Product Name | galvanized steel coil |
| Width | 600mm-1500mm,according to customer's requirement |
| Thickness | 0.12-4.00mm,or customer's requirement |
| Steel Grade | Q195,Q235,Q235B,Q345,Q345B,SGCH,JIS G3302, ASTM A653,S280GD+Z, S350GD+Z, SGCC, DX51D/ DX52D, SGCC,DX51D+Z/ DX52D+Z |
| Zinc Coating | 30-275g/m2 |
| Coil Weight | 2~ 6 tons per coil |
| Coil Inside Diameter(mm) | 508/610 |
| Surface Treatment | Passivation(C),Oiling(O),Lacquer sealing(L),Phosphating(P),Untreated(U) |
| Spangle coating | Big Spangle, small Spangle,Spangle-free |
| Surface Structure | Normal spangle coating(NS),minimized spangle coating(MS),spangle-free(FS) |
| Advantages | 1.low foundation cost 2.easy construction 3.time and labor saving |
| Type of Coating | Hot Dipped Galvanized Steel(HDGI)/Electro-Galvanised Steel(EGI) |
| Tolerance | +/- 1% |
| Application | Building , Corrugated sheet Roofing, electrical, Appliances, Automobile industry, Transport Packaging ,Machinery processing ,Interior decoration , Medical |
| Packing | Steel inner and outside guard board,Circle Iron guard board for both side,Outside iron guard board, 3 Radial Strapping and 3 Latitude Strapping. |
Mechanical Properties
| Parameter | Standard Requirement | Typical Value |
| Yield Strength (Rp0.2) | ≥280 MPa | 300-330 MPa |
| Tensile Strength (Rm) | 380-500 MPa | 400-460 MPa |
| Elongation (A80mm) | ≥12% | 15-18% |
| Bendability | 180° d=0a | No cracking |
Global Standard Grade Comparison
| Property | Europe EN 10346 | China GB/T 2518 | USA ASTM A653 | Japan JIS G3302 |
| Grade | S280GD+Z | S280GD+Z | SS Grade 40 | SGCC440 |
| Yield Strength | ≥280 MPa | ≥280 MPa | ≥275 MPa | ≥440 MPa |
S280GD Galvanized Steel price
The price of S280GD+Z galvanized steel coil depends on the material, specification, surface treatment and supplier, the minimum order price is 650-850USD per ton, the thicker the zinc layer, the higher the price. Meanwhile, the price for different surface effects such as zero zinc, small zinc, fingerprint resistance, chromate passivation, etc. is also different, if you need, you can leave a message to let us know, and we will give you a free quote.
Available Steel Grade
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
|
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
|
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
Mechanical Properties
|
Grade |
Yield Strength MPa≥ |
Tensile Strength MPa≥ |
Elongation A%≥ |
|
DX51D Z/ZM/AZ/AM |
240-380 |
270-500 |
22 |
|
DX52D Z/ZM/AZ/AM |
140-300 |
270-420 |
26 |
|
DX53D Z/ZM/AZ/AM |
140-260 |
270-380 |
30 |
|
DX54D Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
|
S220GD Z/ZM/AM |
220 |
300 |
20 |
|
S250GD Z/ZM/AZ/AM |
250 |
330 |
19 |
|
S280GD Z/ZM/AM |
280 |
360 |
18 |
|
S300GD A/AM |
300 |
380 |
18 |
|
S320GD Z/ZM/AM |
320 |
390 |
17 |
|
S350GD Z/ZM/AZ/AM |
350 |
420 |
16 |
|
S450GD A/AM |
450 |
480 |
15 |
|
S550GD Z/ZM/AZ/AM |
550 |
550 |
- |
FAQ:
What does S280GD stand for?
S280GD is a structural grade galvanized steel under EN 10346 where "S" means structural steel, "280" indicates a minimum yield strength of 280 MPa, and "GD" means hot-dip galvanizing.
What standard does S280GD comply with?
It complies with the European standard EN 10346 for hot-dip metallic coated structural steels.
What is the material number for S280GD?
The steel number equivalent is 1.0244.
What are common coating types available on S280GD?
S280GD can be galvanized with pure zinc (+Z), zinc-iron (+ZF), zinc-aluminum (+ZA), zinc-magnesium (+ZM), aluminum-zinc (+AZ) and aluminum-silicon (+AS).
What is the minimum yield strength of S280GD?
Minimum yield strength (Rp0.2) is 280 MPa.
What is the typical tensile strength?
Minimum tensile strength is around 360 MPa.

