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

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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 %
No more thanNo more thanNo more thanNo more thanNo more thanNo less thanNo more thanNo more than

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
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



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



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

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

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

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

Width tolerance
Nominal widthWidth toleranceWidth 


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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Q:Remington 870 wingmaster steel shot duck hunting?
The biggest problem is the FULL choke on the end of the barrel. Steel pellets are harder than lead, so they find it hard to squeeze through the tight full choke. If you do it, you WILL either bulge or crack the muzzle end of the barrel. That is a fact. Newer model 870 shotguns with RemChokes can fire steel, but you have to use a lead MODIFIED choke to send a full pattern down range. Again, for the same reason I mentioned earlier - that the steel does not deform and squeeze itself through the tighter chokes as well. See photo link below at what your barrel will look like after a box of steel shot.
Q:big steel drum grill?
yes that keeps the fat from dripping on the burners - just try it - it works.
Q:Steel sheet vs paper?
In 11.7x8.3 inch paper 97.11 square inches 0.062651488 sq meters at 4.5gm is a non-standard 19 pound bond ledger paper, but that is OK, because at least it is in range. 38 gauge steel sheets are about the thinnest that hold their structure 0.00625 thick 1221 g/m² or, at 11.7x8.3 76.5grams So, with this data at hand we can better visualize the situation. Paper of 0.00625 thick in the size shown is 35# paper 131.68 g/m² 8.25grams Steel is higher in density than paper, so you cannot get the same size and air flow without it being lighter in weight than the steel and the air resistance would be lower for the heavier item, so steel of the same shape and thickness as paper falls faster. Suppose you want paper heavier than steel for the same area, then the thickness increases. Will a steel sheet 0.00625 thick and 11.7x8.3 inch size 76.5gm fall faster or slower than a 9 or 10 times thicker paper sheet? If it was able to hold flat in each type the thicker paper should get more backflow behind it aerodynamically and fall faster than an equal weight thinner steel sheet as my guess, but I don't have those numbers. The steel will always be heavier than the paper for the same exact shape and thickness by about 9x. My answer here is difficult, but the question has some flaws to think about.
Q:How is steel manufactured?
Abed is off on some of the details... Steel is, by definition, Fe-C. There are thousands of different steel alloys and I am not aware of a single one that is simpkly Fe-Ag. There are different processes but the chemistry is basically the same, converting the iron compounds we dig out of the ground into metallic iron. Iron is typically found as iron oxides or iron sulfides (not with a lot of carbon). We add carbon so the carbon takes the oxygen from the Fe atoms making Fe + CO/CO2. Research iron smelting, iron ore, reduction of iron oxide, these types of things. You will find plenty of information because this is one of the most important industrial processes humans have. Good luck
Q:What makes Steel stronger than Iron?
Cast Iron' is typically brittle, while 'Maleable Iron' has a small percentage of carbon which allows it to be hammered and formed. Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron. Steel is a crystalline structure of iron molecules interspersed with carbon molecules. This is properly known as cementite. The hardness and malleability of steel depends not only on the carbon content, but on how the carbon and iron molecules are arranged to one another. Internal stresses in the steel's crystalline structure will increase or decrease depending on the temperature it is subjected to and the rate at which molten steel is cooled. This 'tempering' can increase the strength of the steel at the expense of brittleness.
Q:What types of ammo can penetrate 1/2 inch steel plate ?
You need to read in depth about steel and the many forms and recipes that can be used as well as the difference of a sabot and a FMJ round. Many factors can change the ability of a given object to resist a projectile. Angle being top of the list. Next time you walk past a Bank look at the BR window, if they have one, and note it is angled down from top to bottom. This adds to the rated strength and deflects most rounds in a direction that may assist in the round not bouncing around and hitting others in vital locations. Modern armor used on tanks includes DU. My former employer has steel that at 1/2 is as resistant to attack as 1 of the competion. There are other tricks like adding ball bearings or metal shaving to steel and cement ot break tools used to drill. They will have an effect on the ability to break a projectile as well. You are just one more looking for a short answer to a very complex issue. Armor piercing rounds have been around for some time. Sabots and DU. A .50 sabot armor piercing round may well penetrate what a standard .50BMG will not. Silk can be effective in stopping a projectile might need a thick blanket wrap.
Q:how do you rate the hardness of steel?
There's an instrument called a hardness tester. It has a stylus which is pressed into the surface of a sample of steel with a calibrated amount of force. The distance it penetrates tells you how hard the steel is. (This is sometimes called 'indentation hardness'). The most common scale is the Rockwell Scale. Actually it gets a little complicated because there are several scales, one for tungsten carbide (the hardest man-made material), one for aluminum and brass and soft steels, and one for hardened steels. Another scale for indentation hardness is the Brinell scale. It's a little less complicated, with one scale to measure the hardness of wood, plastic, etc. as well as steel.
Q:Stainless steel water bottle? ?
The problem with stainless steel water bottles is the steel takes even longer to decompose in our landfills then plastic its self. So it just adds to the waste. If you use steel be sure to recycle it when you are done using it. Another problem is the fact that we don't really make steel here anymore so you have to pollute the environment shipping steel here that the bottles are made from. It gets ship here on trucks, ships, and what not. Very big polluters!! You'd be better off just getting a reuseable bpa free plastic water bottle made in the usa. Or some of those expensive corn cups.
Q:Does anyone know anything about Kodiak Steel Homes?
Steel framing replaces all the wood making the house stronger and resistant to termites. Costs about $2,000 more per house and there is a lack of trained framers in most cities. Never heard of Kodiak brand. Do you know a city where they are located?
Q:Does steel have water in it?
steel is made from very high temperature iron. water would vapourize at such high temperature. adding a little bit carbon, mix it well with iron, quench (dip it into water); water around the ingot would sizzle. water inside the ingot would vapourize. then the iron turns into steel called martensite. condensation means water are materializing from the air on cold surfaces. there is no water molecules inside steel.

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