DX51D galvanized sheet product introduction
DX51D galvanized sheet refers to a steel plate with good cold forming performance and hot-dip galvanized corrosion protection, which complies with EN 10346 standard.
It is widely used in the fields of construction, automobiles, home appliances, etc., and is used to make roof panels, wall panels, carriages, various profiles, etc.
Differences between DX51D and DX53D
DX51D and DX53D are both grades of cold-rolled low-carbon steel sheets, and the main difference lies in formability and surface treatment. DX51D is mainly used for general forming, while DX53D has better formability and is more suitable for complex forming conditions such as deep drawing. The surface treatment methods are usually different. DX51D is mostly hot-dip galvanized, while DX53D may have other surface treatments, such as electrogalvanizing or coating.
Product standards
JIS G3302-94 galvanized steel sheet;
JIS G3312-94 painted galvanized iron sheet;
JIS G3313-90 (96) electrogalvanized steel sheet and strip; general requirements for hot-dip galvanized steel sheet;
ASTM A526-90 commercial grade hot-dip galvanized steel sheet;
ASTMA 527-90 (75) bite-forming grade hot-dip galvanized steel sheet;
ASTMA528-90 deep drawing grade hot-dip galvanized steel sheet; hot-dip galvanized steel sheet for roofing and siding;
ASTMA444-89 hot-dip galvanized steel sheet for ditches;
ASTM A446-93 structural grade hot-dip galvanized steel sheet ;
ASTMA599-92 Cold-rolled electrogalvanized steel sheet;
ASTMA642-90 Hot-dip galvanized special deoxidized deep-drawing grade steel sheet;
ΓOCT7118-78 Galvanized steel sheet;
DINEN10142-91 Part 1 Low-carbon steel hot-dip galvanized steel strip and steel sheet;
DINEN1012-92 Part 2 Hot-dip galvanized steel sheet.
Product Parameters
|
Product Name |
DX51D galvanized sheet |
|
Thickness |
0.12-6.0mm |
|
Width |
600-1500mm |
|
Length |
1-12m,Support customization |
|
Standard |
AISI,ASTM,DIN,JIS,GB,SUS,EN. |
|
Zinc Coating |
Hot dip galvanizing60-275g/m2 |
|
Pre-galvanizing:80-275g/m2 |
Main classification of galvanized sheet
Classification by thickness
Thin steel sheet
Thick steel sheet (4-20mm)
Extra thick steel sheet (≧20)
Classification by processing method
Hot-dip galvanized steel sheet
Electro-galvanized steel sheet
Alloyed galvanized steel sheet
Chemical Composition
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
For cold 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 |
|
|
For cold 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 structures Japanese standards |
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 structures AISI standards |
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 |
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+AZ/AM |
300 |
380 |
18 |
|
S320GD+Z/ZM/AM |
320 |
390 |
17 |
|
S350GD+Z/ZM/AZ/AM |
350 |
420 |
16 |
|
S450GD+AZ/AM |
450 |
480 |
15 |
|
S550GD+Z/ZM/AZ/AM |
550 |
550 |
－ |
Galvanized surface selection
|
Zero Spangle |
Small Spangle |
Normal Spangle |
Big Spangle |
|
|
|
|
|
|
Usage Environment |
Recommended zinc layer thickness |
|
Indoor use |
Z10 or Z12 (100g/㎡or 120g/㎡) |
|
suburbs |
Z20 and paint (200g/㎡) |
|
Urban or industrial area |
Z27 (270 g/㎡) or G90 (US standard) and painted |
|
Coastal Areas |
Thicker than Z27 (270g/㎡) or G90 (US standard) and painted |
|
Stamping or deep drawing applications |
Thinner than Z27 (270g/㎡) or G90 (US standard) to avoid coating peeling after stamping |
|
Chinese Standards |
Japanese Standard |
European Standards |
|
DX51D+Z/DC51D+Z (CR) |
SGCC |
DX51D+Z |
|
DX52D+Z/DC52D+Z |
SGCD1 |
DX52D+Z |
|
DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z |
SGCD2/SGCD3 |
DX53D+Z/DX54D+Z |
|
S220/250/280/320/350/550GD+Z |
SGC340/400/440/490/570 |
S220/250/280/320/350GD+Z |
|
DX51D+Z/DD51D+Z (HR) |
SGHC |
DX51D+Z |
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