Galvanized Steel Coil (S350GD+Z S250GD+ZF) Type: Structural Steel

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Basic Info.

Model NO.:S350GD+Z S350GD+ZF

Surface Treatment:Galvanized

Technique:Cold Rolled

Standard:ASTM,JIS,GB,AISI,DIN,Bs and Others

Steel Grade:S350gd+Z S350gd+Zf

Export Markets:Global

Additional Info.

HS Code:72104900

Production Capacity:10000tons Per Month


Product Description

Brief Introduction:

Commodity name : Hot Dipped Galvanized Steel Coil

Standard we can provide:   AISI ASTM BS DIN GB JIS 

Grade :  DC51D+Z,DC51D+ZF,St01Z,St02Z,St03Z

Zinc Coating:40g-275g/m2

Size we can provide:

Size Range:     CRC  substrate Thickness: 0.3-3.0mm

                           CRC  substrate Width:  800-1830mm

                           HRC  substrate Thickness:1.8-2.8mm

                           HRC  substrate Width:900-1500mm


Galvanized Steel Coil (S350GD+Z S250GD+ZF) Type: Structural Steel


GradeChemical composition %
CSiMnPSAltaTiNb
No more thanNo more thanNo more thanNo more thanNo more thanNo less thanNo more thanNo more than
DC51D+Z,DC51D+ZF0.1---0.50.0350.035---------
(St01Z,St02Z,St03Z)

GradeMechanical propertiesplating  adhesion

yield strengthtensile strengthn 90r 90Elongation %Plating weight(g/m 2 )
MpaMpaNo less thanNo less thanNo less thanBending diameter







 (a=thickness of slab)





L 0 =80mm b=20mm





Normal   thickness  mm





≤ 0.7>0.7≤ 140/140>140/140~>175/175
175/175
DC51D+Z(St01Z,St02Z,St03 Z), DC51D+ZF---270~500------20220a1a2a
 Exposure Test :
Salt Spray Test :
EnvironmentGIEnviroment GI Average CorrosionAL-ZN  Average Corrosion

Average corrosion

g/m2 /yμ  m/yg/m2/yum/yg/m2/yum/y
Tough Marine Climate1409.8tough Marine Climate1409.8162.2
Moderate Marine Climate181.3Modeerate Marine Climate 181.340.54
Industrial Climate201.4Industrial Climate201.44.20.57
Countryside Climate40.28Countryside Climate40.281.30.17
Plainness of hot dip galvanized substrate
A.2.1 For steel sheet with a specified minimum yield strength less than 260MPa, the maximum plainness tolerance should be in conformity with the stipulations of Table A1.
MPaNominal widthPlainness (mm) for the nominal thickness as shown below


Common precise PF.AHigh-level precision PF.B



<0.700.70~<1.601.60~3.0<0.700.70~<1.601.60~3.0
<260<12001088543

1200~<1500121010654

≥1500171515876
For steel sheet and steel strip with a specified minimum yield strength not less than 260MPa but less than 360MPa,and the grades of DC51+Z/Z  DD51D+Z /S550GD+Z/ZF), the maximum plainness tolerance should be in conformity with the stipulations of Table A2.
Table A2
MPaNominal widthPlainness (mm) for the nominal thickness as shown below


Common precise PF.AHigh-level precision PF.B



<0.700.70~<1.601.60~3.0<0.700.70~<1.601.60~3.0
260~<360<1200131010865

1200~<1500151313986

≥150020191912109
Thickness tolerance for hot dip galvanized substrate
For steel sheet with a specified minimum yield strength less than 260MPa, the maximum thickness tolerance should be in conformity with the stipulations of Table A6.
Nominal thicknessThickness tolerance while the widths are showed as follows



Common precise PT.AHigh-level precision PT.B



≤1200>1200~1500>1500≤1200>1200~1500>1500
0.30~0.40±0.04±0.05±0.06±0.030±0.035±0.040
>0.40~0.60±0.04±0.05±0.06±0.035±0.040±0.045
>0.60~0.80±0.05±0.06±0.07±0.040±0.045±0.050
>0.80~1.00±0.06±0.07±0.08±0.045±0.050±0.060
>1.00~1.20±0.07±0.08±0.09±0.050±0.060±0.070
>1.20~1.60±0.10±0.11±0.12±0.060±0.070±0.080
>1.60~2.00±0.12±0.13±0.14±0.070±0.080±0.090
>2.00~2.50±0.14±0.15±0.16±0.090±0.100±0.110
>2.50~3.00±0.17±0.17±0.18±0.110±0.120±0.130
For steel sheet and steel strip with a specified minimum yield strength not less than 260MPa but less than 360MPa, the thickness tolerance should be in conformity with the stipulations of Table A7. 
Nominal thicknessThickness tolerance while the widths are showed as follows


Common precise PT.AHigh-level precision PT.B


≤1200>1200~1500>1500≤1200>1200~1500>1500
0.30~0.40±0.05±0.06±0.07±0.035±0.040±0.045
>0.40~0.60±0.05±0.06±0.07±0.040±0.045±0.050
>0.60~0.80±0.06±0.07±0.08±0.045±0.050±0.060
>0.80~1.00±0.07±0.08±0.09±0.050±0.060±0.070
>1.00~1.20±0.08±0.09±0.11±0.060±0.070±0.080
>1.20~1.60±0.11±0.13±0.14±0.070±0.080±0.090
>1.60~2.00±0.14±0.15±0.16±0.080±0.090±0.110
>2.00~2.50±0.16±0.17±0.18±0.110±0.120±0.130
>2.50~3.00±0.19±0.20±0.20±0.130±0.140±0.150
For steel sheet and steel strip with a specified minimum yield strength not less than 360MPa, but less than or equal to 420 MPa, the thickness tolerance should be in conformity with the stipulations of Table A8.
Nominal thicknessThickness tolerance while the widths are showed as follows



Common precise PT.AHigh-level precision PT.B



≤1200>1200~1500>1500≤1200>1200~1500>1500
0.30~0.40±0.05±0.06±0.07±0.040±0.045±0.050
>0.40~0.60±0.06±0.07±0.08±0.045±0.050±0.060
>0.60~0.80±0.07±0.08±0.09±0.050±0.060±0.070
>0.80~1.00±0.08±0.09±0.11±0.060±0.070±0.080
>1.00~1.20±0.10±0.11±0.12±0.070±0.080±0.090
>1.20~1.60±0.13±0.14±0.16±0.080±0.090±0.110
>1.60~2.00±0.16±0.17±0.19±0.090±0.110±0.120
>2.00~2.50±0.18±0.20±0.21±0.120±0.130±0.140
>2.50~3.00±0.22±0.22±0.23±0.140±0.150±0.160
For steel sheet and steel strip with a specified minimum yield strength not less than 420MPa, but less than or equal to 900 MPa, the thickness tolerance should be in conformity with the stipulations of Table A9.
Nominal thicknessThickness tolerance while the widths are showed as follows



Common precise PT.AHigh-level precision PT.B



≤1200>1200~1500>1500≤1200>1200~1500>1500
0.30~0.40±0.06±0.07±0.08±0.045±0.050±0.060
>0.40~0.60±0.06±0.08±0.09±0.050±0.060±0.070
>0.60~0.80±0.07±0.09±0.11±0.060±0.070±0.080
>0.80~1.00±0.09±0.11±0.12±0.070±0.080±0.090
>1.00~1.20±0.11±0.13±0.14±0.080±0.090±0.110
>1.20~1.60±0.15±0.16±0.18±0.090±0.110±0.120
>1.60~2.00±0.18±0.19±0.21±0.110±0.120±0.140
>2.00~2.50±0.21±0.22±0.24±0.140±0.150±0.170
>2.50~3.00±0.24±0.25±0.26±0.170±0.180±0.190
Width tolerance
Nominal widthWidth toleranceWidth 














FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
 Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness  and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.


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