ASTM Z60 Rolled Prepainted Steel Coil for Construction

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50 m.t.
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30000 m.t./month

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Structure of ASTM Z60 Rolled Prepainted Steel Coil for Construction

  ASTM Z60 Rolled Prepainted Steel Coil for Construction

Description of ASTM Z60 Rolled Prepainted Steel Coil for Construction
BMT Prepainted Rolled Steel Coil is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Zn coating on both faces by hot dip process. Its surface has bright silver color and regular embossed-like figure, which are highly decorative. 

ASTM Z60 Rolled Prepainted Steel Coil for Construction

Main Feature of ASTM Z60 Rolled Prepainted Steel Coil for Construction

1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will  form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside. 
2. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials. 
3. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.  


Applications of ASTM Z60 Rolled Prepainted Steel Coil for Construction
1. Construction and building: roofing; ventilating duct; handrail; partition panel

2. Electric appliance: refrigerator; washing machine; refrigerator..

3. Transportation: oil tank; road sign; etc.
4. Agriculture:barn; etc.

5. Others: vending machine; game machine; etc.  

 ASTM Z60 Rolled Prepainted Steel Coil for Construction

Specifications of ASTM Z60 Rolled Prepainted Steel Coil for Construction 


ASTM Z60 Rolled Prepainted Steel Coil for Construction

Material Grade

SGCC / SGCH / DX51D+AZ, etc






Thickness: +/-0.02mm , Width:+/-2mm




Raw material: Hot rolled steel coil > Cold rolled>hot dipped galvalume


Coated, prepainted galvanized/galvalume/ hot dopped galvanized steel


Regular spangle , small spangle, zero spangle


508MM 610MM

Coil weight

25MT max

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

 FAQ of Z60 Rolled Prepainted Steel Coil for Construction

We have organized several common questions for our clientsmay help you sincerely

1. What is your MOQ ? 

Our MOQ is 50mt. And there is  more discount if you order like 1000 tons and more. The more appropriate payment term your can offer, the better price we can provide. 

2. How do you promise the quality of the steels

We have established the international advanced quality management system ,every link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. What is the substrate for steel tiles? 

Hot dipped galvanized or gavalume, pre-painted galvanized.

4. What is your package?

One coil per bundle, inner is the protecting humidity-proof wax paper. Medium is plastic film. Outer is sackcloth or compound paper packing. Coil to be laid on single type pallet (one pile per pallet)

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Q:Why is brass ammo considered superior to steel cased ammo?
Ok folks, BOTH Brass and Steel work harden. That's what happens when you get into the plastic deformation part of the stress - strain curve. In the case of brass it can take significantly more deformation before it hardens than steel, steel can take significantly more stress before it goes into plastic deformation. Steel is unattractive in plastic strain environments because it has an unstable plastic deformation region before it stress hardens. Brass has much smoother performance. I don't know a heck of alot about making casings, but certainly for necked casings steel will wear out tooling much faster than brass. In a straight wall case it probably doesn't matter as much since it is just tubing. Typical Brass has a brinnell hardness of around 60, mild steel around 130. Steel is a LOT harder than Brass. Thinkingblade
Q:Here is my dilemma, should I shoot steel case ammo in my ar15?
I am not aware of any catastrophic failures being attributed to Russian Steel cased ammo use. I would recommend checking out the several AR15 message boards and see what everyone who uses it has to say and if anyone has had serious problems. I have personally used Wolf steel case in all of my ARs with no serious issues. I have also fired it in several full auto rifles. What I noticed is that it is dirtier ammo than Winchester or Federal ammunition and I will get an occasional failure to eject. Right now, American production brass cased .223 is $.50-$1.00 or more per round when you can find it.. The Russian Wolf can be found for $.40 or less. Most people shoot whatever they can find and afford and do not worry about the warranty.
Q:what is the chemical composition of the steel material to be used for steel tube ferules?
I don't know your application, but here is some advice. Case hard provides a hard shell around soft steel, depending on the bake, the case is usually .002-.008 thick. (thousands of an inch) Heat treated steel or tool steel is hard all the way thru. Case hardening, provides toughness with flexibility, however, once it's compromised, the part is scrap. Hardend tool steel is extreemly hard throughout and the harder it is, the more brittle it becomes. The application of the part will help you to determine the material needed. For instance; Plastic injection molds are very hard so the hot plastic wont erode them over years of use. Punch Press dies aren't as hard but are tougher to withstand the shock. Machine bolts are case hardened so they can last, but soft enough to allow some stretching during tightening. Either way, the time in mfg will be about the same. Most tool steels today cut like cheese, but take time to be heat treated. Tool steel will cost a bit more than low carbon steel. Low carbon steel is as machinable, and cheaper, but, again, the baking period is as long or longer than tool steel. There are a lot of materials on the market today that maintain the durability of heatreated steel without having to go thru that process. 4140, ( or chrome/moly) comes to mind. There are also some 400 series stainless that work as well, and others. You need to determine strength, flexibility, ease of mfg, cost and repairability when considering which steel to use.
Q:Are all Doc Martens boots steel toed?
No,! Ps: if you don't want to buy them new, search off Ebay: there are tons of Dr Martens!!
Q:Why is stainless steel rust proof?
Stainless steel is characterized by the presence of chromium. Chromium oxidizes like aluminium does, by passivation, that is, it forms a though oxide layer that sticks to the metal underneath and protects it. On the other hand, iron oxidizes by turning into rust, which is a brittle material that flakes off, exposing the metal under for more oxidation. Now, what happens when you have a metal that is made of both iron and chromium? Any iron on the surface will rust and flake off (at the atomic level, so do not expect to see much rusting) until the surface is a pure chromium layer (again, we are talking about a layer that is a few atoms thick) and that chromium will oxidize but stay put. Then rust then has no way of getting deeper, and the metal will remain clean.
Q:The strip tower height
Defects: cold-rolled steel sheet (coil)
Q:how to understand the chemistry of a metal.. especially steel.. from their names...?
For steels with a four number code like 1020, 4140 ect the first two digits are the alloying information. I think you need to memorise those. 10 steels are plain carbon steel with no alloying. 41 steels are chrome-molly. The third and forth digits are the carbon content. 1020 is 0.2% Carbon, 4140 is 0.4% carbon. I don't know if there is a system to stainless steels.
Q:quinching steel... hardening?
boy what a though question ! let me explain. when you rapidly cool a steel from high temperatures(depending on steel type) with water or oil or other means , it is called quenching. it depends on the steel type to say if it is better to quench it with oil or water but basically in water you will have a harder steel rather than oil. for some steels if you do this you will ruin it's properties ! you can't totally tell what kind of steel do you have until you get it analyzed with Quantometer analyzer with a pocket knife it is more like an estimation and it can't be trust able generally if you can scratch the steel with your knife it means it is not a hard steel and it might not be expensive. I hope that helps but for more information i need to know more !
Q:Why is the American steel industry failing?
Q:If you combine stainless steel with gold, does that make stainless gold?
Stainless steel, I believe, was an actual trade name of a british cutlery company's knives, once the ability to create iron-chromium alloys was mastered. Stainless steel's main alloying agent that prevents it from rusting, is Chromium. The Chromium in the steel creates an protective layer (not unlike rust), which acts as a protectant for the rust-prone iron...keeping real rust away. I am no metallurgist, but I have not heard of gold being used as an alloying agent in common steels. I'm not even sure they would mix. Not all metals can be stirred together successfully. Even if gold could be used as an alloying agent for steel, it would need to be in such a small percentage, you would not end up with a metal that was gold in it would still look like steel of some sort. The funny part is, gold is already stainless, and does not tarnish or rust as it is.

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