hot dip galvanized
Structural steel plate hot dip galvanized S280GD+Z,S280GD,S280GD+ZF are rolled according to steel standard EN 10147.Sealed treatment for galvanized steel plate and coil S280GD+Z,S280GD,S280GD+ZF shall be chosed after rolled finished,application of a transparent organic film coating of mass about 1g/m2.This treatment for zinc coated steel sheet S280GD+Z,S280GD,S280GD+ZF offers additional corrosion protection,especially the protection against fingerprints.It may improve the sliding characteristics during forming operations and can be used as a priming coat for subsequent varnishing.

Specifications Table
|
Product Name
|
S280GD+Z275 MAC 189.2/227/266/302.6mm width 2.0mm thickness galvanized steel coil
|
|
Technical Standard
|
EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
|
|
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 |
|
Type
|
Coil/Sheet/Plate/Strip
|
|
Thickness
|
0.12-6.00mm,or customer's requirement
|
|
Width
|
600mm-1500mm, according to customer's requirement
|
|
Type of Coating
|
Hot Dipped Galvanized Steel(HDGI)
|
|
Zinc Coating
|
30-275g/m2
|
|
Surface Treatment
|
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
|
|
Surface Structure
|
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
|
|
Quality
|
Approved by SGS,ISO
|
|
Coil Weight
|
3-20 metric ton per coil
|
|
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 |
|
Export market
|
Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc
|
GNEE STEEL are the leading galvanized steel strip manufacturer and distributor in China which have been engaging in the field produced for 20 years with 20years export experience.Our main products cover galvanized steel strip, galvanized steel coil, galvanized steel sheet, galvanized corrugated sheet,etc.
For galvanized steel, we have more than 10 production lines, thickness from 0.11-4mm. We can produce the zero spangle/Minimum spangle/ regular spangle/ large spangle. We can also offer the service of cutting and punching. We are very capable to custom make for you.
- Available Steel Grade
| Steel grades | Chemical composition% | Residual Element > |
Tensile strength (MPa) |
Yield strength (MPa) |
|||||
| C% < |
Si% < |
Mn% < |
P% < |
S% < |
Alt < |
||||
| SGCC, DX51D+Z | 0.07 | 0.03 | 0.50 | 0.025 | 0.025 | 0.020 | Cu<0.10 Ni<0.08 Cr<0.10 As<0.05 Sn<0.05 |
270-500 | 140-280 |
| DX52D+Z | 0.06 | 0.03 | 0.45 | 0.025 | 0.025 | 0.020 | 270-420 | 140-300 | |
| DX53D+Z | 0.03 | 0.03 | 0.40 | 0.020 | 0.020 | 0.020 | 270-380 | 140-260 | |
| S220GD+Z | 0.17 | 0.30 | 1.00 | 0.035 | 0.30 | 0.020 | 300-440 | >220 | |
| S250GD+Z | 0.17 | 0.30 | 1.00 | 0.035 | 0.30 | 0.020 | 330-470 | >250 | |
| S350GD+Z | 0.20 | 0.55 | 1.60 | 0.035 | 0.30 | 0.020 | 420-560 | >350 | |
- Chemical Composition
|
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 |
- |

