PRE-PAINTED GALVANIZED STEEL COIL

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Tianjin
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12000 m.t./month

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Product Description:

THICKNESS:0.18mm-1.5mm

WIDTH:900mm-1250mm

COATING MASS:Z30-Z275

PAINT:PE、HP、HDP、PVDF、SMP、MATT、PVDF

COLOR:RAL Scale

COIL INNER DIAMETER:508mm/610mm

COIL WEIGHT:3mt-7mt

BASE MATERIAL:Hot-dip GALVANIZED Steel


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Q:Best affordable steel combat knife?
ka bar, If they are good enough for the U.S.M.C. They are good enough for you.
Q:Why is the steel tape tape head not fixed?
It makes sense to be irregular;You can see the standard ruler of steel roll head is a gap, when you take the time to object quantity, the head will indent the gap, so you measure is the size of the head from the head of steel;When you hook the object, the head will pull apart and you'll take the dimension from the end of the steel head.
Q:Maple Story Steel Polearm?
Steel polearm was from the Aran Welcome Event, which ended a few weeks ago. Now is the worst time to buy one, since the craze just ended and steel polearms are now heavily in demand (sadly). Your best bet is the free market, but they will cost you a few mil.
Q:hard ionized vs stainless steel cookware?
A good quality stainless steel cookware set is a necessity- it is virtually indestructible and you can use the harshest of scrubbers to clean it. You will need a basic set that has a 8 and 12 fry pan/omelet pan, a large pot that holds a minimum of 4 quarts, and 2 sauce pots at 1 quart and 2 1/2 quart sizes. I have several pieces of hard anodized cookware too- they do a wonderful job but food will still stick. A must is at least one Green Pan- preferably a 10-12 fry pan. They are truly non-stick, clean up is a breeze and making foods like fried eggs is infinitely easier when they slide out of the pan without breaking. They do not have the same issues that plague teflon pans- scrapes and shedding that you are ultimately consuming. You can easily find them online and at your area Target store.
Q:why do you heat steel when hardening?
Halps is off base a little. The reason heat is involved in hardening of steels depends, a little bit, on how you are doing the hardening. If you are hardening by work hardening, you do not have to heat it at all. If you are barbarizing (case hardening), the temperature is raised to increase the diffusion rate of carbon into the steel, higher C content - higher hardness. If you are Thur hardening, you have to heat the steel to the austenitizing temperature (so the structure transforms to FCC crystals with higher solubility for C) and then quench it (cool it rapidly enough to freeze the C atoms in the martensite crystal structure). If you slow cool, the steel could end up softer than it started. All of these processes involve atomic level things. If you want to understand them on the atomic level, you need to study physical metallurgy of steels. It is a subject onto itself and is really quite fascinating if you are interested.
Q:Is steel industry good for investing currently ?
To be blunt, with the Environmental-Terrorists like Green Peace and The Sierra Club making it basically impossible for Steel Production in the US to be a profitable industry, you are better off investing in Chinese Steel Companies than American. Same goes for Electricity Production and Petroleum Refining... These Environmental Terrorist Organizations and their misguided leftist followers have made it impossible to build new refineries in the US, which is why the price of Diesel Fuel is so much higher than unleaded, which is not only insane since Diesel Fuel actually requires LESS processing to be a viable product but also because our Transportation Industry as a whole relies upon Diesel Fuel to get everything in your home and office from manufacturer to store. By keeping the Energy Industry held hostage to these irresponsible and, to be blunt, insane laws, they have caused a rise in the price of EVERYTHING sold in the United States... From a deck of cards to homes. If we were not basically banned from building new Nuclear Reactors, we could cut our dependance on Coal by at least half... Anything having to do with any industry that could even potentially do with Pollution, regardless of how far advanced the technology has advanced away from that, it is restricted by Eco-Terrorists and mindless sheep that spend too much time listening to propaganda rather than fact checking what their Masters spoon feed them.
Q:Does mild steel have a high carbon content?
High carbon steel is much harder than iron. In fact, steel -is- iron with carbon in it. Mild steel has a very low carbon content and is much softer. High carbon steel is much stronger after heat treatment. However, about 2% carbon, it is considered cast iron. Mild steel contains about 0.16% to 0.29% carbon content. It has a relatively low strength but is highly malleable.
Q:How can i make difference between iron and steel?
There are literally hundreds and hundreds of different commercial steel alloys and a good number of iron alloys so... it depends. Technically, steel is any alloy that is mostly Fe with some amount of carbon. Even if you have access to the necessary lab equipment, CTE (coef of thermal expansion) and specific heat are not very straight forward tests. There are, of course, chemical analysis instruments for measuring C content in steels so, if you really need to know, you can spend money at commercial lab that does these tests. One quick test to judge C content... touch the metal to a grinding wheel, higher C content produces more sparks. To calibrate the way this looks, compare the sparks from a drill bit (usually 1090 steel so 0.9 wt% C) to a steel nail (low C steel). Unfortunately, the difference in sparking between steels with pretty low C content and a piece of iron will not be very dramatic. Of course, iron might mean Cast Iron and, again, there are a good number of commercial cast iron alloys and there are 4 basic types of cast iron alloys and they contain high amounts of C.
Q:is tool steel reliable steel in construction of a sword?
NO. Tool steel is very hard and brittle. Carbon spring steel is better but rusts. Stainless steel is weather resistant. A mix like those for knives are good. For the ultimate, do the japanese way of folding it hundreds of times, then, use three different types of steel. For the center and the back a softer and flexible steel, for the edge hard to keep its edge, and an outer layer to take some weathering.
Q:I have a question in alloy steel?
Steel is basically an alloy of iron and carbon that has more than 0% carbon and less than 2% carbon. The alloy of carbon and iron with more than 2% carbon is considered cast iron. The bessemer process converts cast iron to steel by injecting oxygen into molter cast iron to burn off the excess carbon. Steel is also modified by adding additional elements like silicon, molydenum, vanadium, chrome, etc.

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