Lightweight yet Robust Hot Dip Galvanized Coil
specification
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Producing line |
5sets of galvanized steel coils producing lines |
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3sets of hot rolled steel coils producing lines |
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3 set of hot rolled steel plate producing line |
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5 sets of deformed steel bar producing lines |
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Equipment |
Laser cutting machine |
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CNC hydraulic punching machine |
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Bending machine |
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Shearing machine |
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Market |
We are one of the domestic biggest supplier and export to all over the word. |
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Size |
Special specifications of steel products can produce. |
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Production process strictly conforms to the international standard of DIN/ASTM/AISI /JIS/BS to ensure the quality. |
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We can process or produce according to your drawings. |
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Product Display
Chemical Composition
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
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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 |
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|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
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|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
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|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
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|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
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Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
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SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
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|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
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SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
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For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
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SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
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SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
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SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
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For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
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S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
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S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
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S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
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S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
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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 |
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DX54D Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
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S220GD Z/ZM/AM |
220 |
300 |
20 |
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S250GD Z/ZM/AZ/AM |
250 |
330 |
19 |
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S280GD Z/ZM/AM |
280 |
360 |
18 |
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S300GD A/AM |
300 |
380 |
18 |
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S320GD Z/ZM/AM |
320 |
390 |
17 |
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S350GD Z/ZM/AZ/AM |
350 |
420 |
16 |
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S450GD A/AM |
450 |
480 |
15 |
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S550GD Z/ZM/AZ/AM |
550 |
550 |
- |
Galvanized Surface Selection
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Zero Spangle |
Minimized Spangle |
Normal Spangle |
Large Spangle |
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Use of The Environment |
Recommended Zinc Thickness |
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Indoor Use |
Z10 or Z12 (100g/㎡or 120g/㎡) |
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Suburbs |
Z20 and Painting (200g/㎡) |
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Urban or Industrial Area |
Z27 (270g/㎡) or G90 (US Standard) and painted |
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Coastal Area |
Thicker than Z27 (270g/㎡) or G90 (US Standard) and painted |
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Punch or Deep Drawing Application |
Thicker than Z27 (270grams/㎡) or G90 (US Standard) avoid coating peeling after stamping |
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Surface Treatment Type |
Code |
Features |
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Chromic Acid Treatment |
C |
Good corrosion resistance, suitable for bare state |
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Chromic Acid Treatment+Oiling |
S |
Good corrosion resistance |
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Phosphoric Acid Treatment (Including Sealing Treatment) |
P |
Have a certain corrosion resistance, good paint performance |
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Phosphoric Acid Treatment (Including Sealing Treatment)+Oiling |
Q |
Has a certain corrosion resistance, good paint performance, prevent rust during transportation and storage |
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Phosphoric Acid Treatment (Excluding Sealing Treatment) |
T |
Have a certain corrosion resistance, good paint performance |
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Phosphoric Acid Treatment (Excluding Sealing Treatment)+Oiling |
V |
Has a certain corrosion resistance, good paint performance, and prevent rust |
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Oiling |
O |
Prevent rust during transportation and storage |
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No Treatment |
M |
Suitable for immediate painting |
Material Comparison
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Chinese Standard |
Japan Standard |
European Standard |
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DX51D Z/DC51D Z (CR) |
SGCC |
DX51D Z |
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DX52D Z/DC52D Z |
SGCD1 |
DX52D With |
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DX53D Z/DC53D Z/DX54D Z/DC54D Z |
SGCD2/SGCD3 |
DX53D Z/DX54D Z |
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S220/250/280/320/350/550GD Z |
SGC340/400/440/490/570 |
S220/250/280/320/350GD Z |
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DX51D Z/DD51D Z (HR) |
SGHC |
DX51D Z |