Prepainted Galvanised Steel Coils

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Prepainted Galvanized Steel

With galvanized steel as base metal, after pretreatment (degrease and chemical treatment) and liquid dope with several layers of color, then after firing and cooling, finally the plate steel is called pre-painted galvanized steel. Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays superior workability, durability and weather resistance.

Brand Name: HBSTEEL

Specifications OfPrepainted Galvanized Steel

Thickness                0.20-1.2mm (BMT)

Width                      600-1250mm

Zinc Coating            100-275g/m2

Color                       According to RAL color fan or as per request

Internal Diameter      508mm or 610mm

Coil Weight              3-6MT

Quality                     Commercial and structural quality

Paint                        Polyester paint for topside, epoxy for reverse

Standard                  JIS G 3312, ASTM A755M, EN 10169

Base Steel Grade                                                                  SGCC,SGCD,DX51D+Z,DX52D+Z;S200GD,S220GD,S280GD,S350GD,CS,FS,SS  

Chemical Composition Of Prepainted Galvanized Steel

C

Si

Mn

P

0.04-0.06%

0.01-0.03%

0.18-0.22%

0.014-0.016%

Technical Data Of Prepainted Galvanized Steel

Yield Strength

(Mpa) 280-320

Tensile Strength

(Mpa) 340-390

Elongation

20%-30%

Reverse Impact

9J

T-bending

≥2T

Pencil Hardness

≥2H

Duration Of Salt Spray Test

500 H

Bending At 180 Degree

No crack, purling and fraction

Applications OfPrepainted Galvanized Steel

It can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making steel roofing,insulation panel, corrugate sheet, facade wall,shutters,T-bar and home appliance.

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Q:Is 30CrNiMo8 a kind of high alloy STEEL?
It is a high alloy steel. Look at all the elements in it's name for it's composition: 30% Chromium and Nickel 8% Molybdenum Sounds like a very tough stainless tool steel for cutting rock or something. Chromium and nickel arre the two elements they use to make stainless steel and molybdenum is used to make steel very hard and wear resistant
Q:what happen if carbon steel is exposed to an oxygen?
Assuming the steel isn't actually melted, two things will happen. First, a layer of iron(ii) oxide, FeO will slowly develop on the surface, getting thicker over time. This layer is usually poorly bonded to the metal surface, it tends to flake off, exposing fresh metal. This is known as mill scale, it's also known as wustite which is the mineral term. Second, the surface of the steel will become decarburized, essentially becoming pure iron, not steel. The depth of the decarburized layer depends on the temperature, time, and the diffusivity of carbon in the steel at the given temp. This has some implications to engineering, in hot-rolling or forging of steel shapes for example. It's often the case that the stress and strain in a material is greatest at or near the surface. Therefore the weakened, decarburized layer at the surface may have a much greater detrimental effect on the steel's performance than might be expected. In a more specific example, die and tool steels depend on their carbon content for their strength and wear resistance, Therefore if such steels are heated in an oxidzing atmosphere, wear resistance is totally destroyed: The thin decarburized iron layer will be extremely soft and malleable.
Q:Steel and Graphite shafts?
Actually it isnt so much whether its steel or graphite, although in the past steel was stiffer as a rule. Today many graphite shafts (depending on the shaft manufacturer) are in fact stiffer then some steel shafts. IE proforce XS vs true temper R You also have to look at the kick point in the shaft. The kick point is where the shaft bends at moment of impact. My shafts are tipped lower because I custom made them that way because I typically hit the ball low to begin with. High kick point means lower ball flight and lower means a higher flight. Also different brands have different stiffness' some regular shafts you'll find feel stiffer then other stiff shafts. the only way to tell if its the shaft is to have all the same shafts installed with the same kickpoint hope this helps
Q:Can carbon steel be solution annealed?
No. Carbon steel has two different crystal structures, FCC and BCC , depending on the temperature. when you heat steel up and then quench it, it locks the crystal structure into the BCC form. this makes it hard. whereas precipitation hardened austentic stainlesses remain BCC regardless of the temp, so the hardness change is not a function of thermally induced strain. you can anneal carbon steel but the thermal profile is closer to the precipitation profile of PH stainlesses than it is to the Solution annealing profile.
Q:stainless steel coating?
No stainless steel, I'm afraid, but there is an aerosol spray that a lot of welders use . It's a galvanic spray compound to coat weld joints to keep from rusting. It's silver in color, and my add a little 'pop' that it seems you are looking for. Also heat tolerant, and can be re-applied. Most welding supply stores carry this item, and look to pay around $12 a can. Good luck!
Q:Thermal expansion of steel?
the welded joints,...are then sturdy steel, and conducts warmth very very right this moment, so develop from warmth often is the comparable because of fact the plate steel around it. you may desire to slope the backside and have a condensate seize gadget, steam secure practices stress alleviation valve, sized for the quantity and pressures, totally lag the vessel, adhere to ALL secure practices specs., (of your codes), which comprise the welding NDT. in the tank layout enable for the thermal develop of the vessel. cheers.
Q:fallout 3 before broken steel?
Yes. The Broken Steel add-on goes automatically where ever you are. The thing is, I would like stand around the control room for a little while until the Broken Steel add-on is completely downloaded (Basically pop A LOT of rad-x and radaway). You should see a pop-up message saying that Broken Steel is installed and the level cap is now at 30.
Q:Why can hot rolled coils be placed outside?
Because hot-rolled steel coils are generally used as raw material for semi-finished products, they have to be further used for pickling and cold rolling to make more use. The rust and dust can be removed after pickling
Q:So i got caught steeling?
Steeling? What's that? Did you take a piece of steel and weld it? I am confused?
Q:Why can't you use steel wool with polyurethane?
it can turn dark! use 400 to 600grit wetdry sandpaper watch your edges!!!

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