Prepainted Galvanized Steel Coil 122O*O.55

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Product Description:

PREPAINTED GALVANIZED STEEL COIL
Specification:122O*O.55,Ral 5O12

Steel Grade & Standard: CG20140923

Zinc Coating Mass:Z180  
Surface Treatment: non-chromate, oiled  
Coil ID:508mm  Coil Weight:6-10MT
Package Type:EYE TO SIDE
Thickness Tolerance:+/-0.02mm  Width Tolerance:+/-5mm
Zinc Coating Tolerance:-/+10g/m2

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Q:difference between metal and steel?
well, steel is a type of metal. It's sort of like asking the difference between a bug and an ant, an ant is a bug, but not every bug is an ant. Likewise, steel is metal, but not all metal is steel. Gold is metal, Silver is metal, Iron is metal, Steel is metal.
Q:Heat treatment of mild steel? Process description macro-micro
Mild steel is a solution of carbon within iron, etc. When the steel is very hot the carbon is well distributed. As the steel is cooled iron crystals form excluding the carbon that will then collect at the boundaries (grain boundaries) between iron crystals. If cooling is rapid at any point in the cool down crystal growth will cease (affecting final grain size and the mix of carbon and iron at the grain boundaries). The ductility or hardness of the resulting steel will be determined by the grain sizes and makeup of the carbon/iron mix between grains. Ductile iron permits 'slabs' of iron to slip past each other within iron crystals and location of carbon atoms may help prevent slip resulting in hardness. Therefore, heat treatment usually consists of 'soaking' the steel at a temperature high enough to dissolve all the carbon uniformly then cooling it down slowly or rapidly to obtain optimum grain size and interstitial carbon between grains to obtain desired properties.
Q:Whats better chrome vanadium steel or carbon stainless steel?
Depends on the grade of metal and how it is tempered. Poor grade or any steel is worthless. Poor temper on quality steel is worthless. I have several 440 Stainless Steel knives that hold a edge very well. But I to have several carbon steel knives that also hold a fine edge. It pretty much boils down to you get what you pay for, top quality don’t come cheap. I prefer name brands like Puma, Buck, S.O.G, Gerber and Old Timer. These brands have never failed me yet. A $5.00 knife is a $5.00 knife , where as S.O.G, and Puma can run you a couple hundred dollars easy. But I have field dressed 5 deer and that was cutting through the pelvic bone of all 5 deer before dulling my Puma, but back in 1978 that puppy cost me $65.00. For Tactical knives S.O.G is my favorite. Don’t be fooled by the cheesy Rambow survival knives, remember the key word is survival so your life may some day rest on the quality knife you buy. It don’t have to have a cheap compass or hollow handle to hold fish hooks and matches. It needs to be a knife you can bet your life on. Look at the knives that the military special forces use today S.O.G makes up most of them Either the S.O.G “Seal pup” used by the Army Rangers or the full sizes “Seal” used by other military special forces teams. ( my son was a trainer for the U S Army Rangers and he was issued a S.O.G Seal Pup) I would suggest you invest in a high quality knife, you can always make up a small survival kit using quality hooks and matches and a quality compass. Remember your life may some day rest on what you invest in. You would not buy cheesy health insurance, now would you? D58 Hunting with Rifle, Pistol, Muzzle loader and Bow for over 3 decades. Reloading Rifle, Pistol and shotgun for over 3 decades.
Q:Steel coil from vertical to horizontal, what sling needs?
The sling has little effect, but it is easy to damage the surface of rolled steel.
Q:What's better: Steel or Alloy bike wheels?
Steel wheels are at the lowest cost and quality end of bike equipment. If you're even thinking of buying a cheapo bike with steel wheels - don't. Steel wheels are poor quality and therefore weaker than an OK alum rim. They are heavier, braking isn't as good, won't stay true as long. Alum wheels are extruded, not cast, and are better in every way. They cost more is the only down side.
Q:making holes is iron and steel?
Drills are used to make holes in steel all the time.
Q:Fender Steel Guitars?
well, it was made sometime before 1981, because that's when Fender quit making 10 string steel guitars. Without any more information than what you've given me, it could be the Pedal 2000, the PS210, or the Artist Dual 10. Fender made steel guitars from the 1950s through 1981, so it could be from any time in there. I hope you have the pedals with it. The 10-string and dual 10-string models were quite expensive in their day. Unfortunately, if you're thinking of reselling it, you're probably not going to get a lot of money for it unless you find a pedal steel player, and like I said, having all the pedals is very important in that case. Anyway, hope this helped. Good luck. If I were you I'd learn to play it. Pedal steel players are always in demand.
Q:Greatest steel guitar songs in country music history?
Bob okorder.com/
Q:Is Tempered Steel synonymous with Hardened Steel?
Hardening is the preliminary process. The fully hardened state may be far too brittle for practical use. The tempering process is tailored to reduce the actual hardness, to introduce more flexible alloys. The tempering method employed may be done at relatively low temperatures, but some alloys require prolonged soaking at elevated temperatures. Some may be cooled in air, but others may require quenching to end the process.
Q:i need help about stainless steel?
Weathering steel will rust, but the rust will be adherant and not flake off and be replaced by new rust. Therefore once it rusts it will pretty much stop rusting any more. One (severe) down side is that anything around it will be streaked with rust stains and it will look awful. Some bozo with the Texas Department of Transportation designed a number of freeway interchange overpasses here in Houston using Cor-Ten steel and all of the concrete supports are streaked with red rust stains and it looks like hell. Cameron built an office building here in Houston with a Cor-Ten facade and it is streaked with rust too. They should have gone ahead and spent the money and painted them, but they didn't.

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