galvanized steel coils

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Product Description:

Galvanized steel coils

1) Quality Standard & Grade: JIS G3302, SGCC /  ASTM  653M  CQ/  EN10142 DX51D+Z

2)  Thikness  tolerance: +/-0.02mm Width tolerance:+/0.02mm

3) Zinc coating weight: 50g/m2

4) WEIGHT OF PER COIL: 3-5MT                          

5)Technology: cold rolled

6) Surface of Product: regular spangle / big spangle/ small spangle; Surface Treatment: chromated , non oiled, skin passed

7) Packing: export standard packing,packed with moisture resistant paper and metal

wrapping,securely tied for export,on metal skids7) Country of Origin :China


SIZE:0.13*750

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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:Besides stainless steel....?
can she wear sterling silver or white cooper?
Q:What minerals are stronger then steel?
Well!! Steel is NOT a Mineral. It is an alloy!! A Mineral is a naturally occurring substance. An alloy is a mixture or metallic solid solution composed of two or more elements which is made artificially!! Also we cannot compare minerals and non minerals using strength. The only way to compare is by Hardness.. ON hardness Scale, Quartz, Topaz, Diamond, etc are HARDER than Steel
Q:Moravia’s coal and steel industries face challenges because they _____.?
do not run efficiently is the correct answer
Q:Is a knife with damascus steel better than one with regular steel? or what about high carbon?
This Site Might Help You. RE: Is a knife with damascus steel better than one with regular steel? or what about high carbon? What would be a better knife one with damascus steel or one without? Why is damascus steel so special other than the look? And why do some people say high carbon steel is better than regular? mainly though I want to know about the damascus. Thanks, max points to best answer.
Q:why does steel have a density range when other metals do not?
Steel is not a pure element it is an alloy. Steel is primarily iron but it has many elements blended in that change it's density including carbon,silicon, nickel, chrome, etc. Aluminum and copper , magnesium and so forth can be the pure element or they can be alloys too. If they are alloys, then their densities vary also
Q:where is cold formed steel framing used?
Abeer: I'm a civil/structural engineer. Cold-formed (or rolled) steel framing is typically limited to facades, studs in lightly-loaded bearing walls and non-load bearing wall studs. Hot-rolled steel members are typically used to frame steel buildings and bridges. See the article below on cold-formed steel framing.
Q:1944 Steel Penny?
Weigh it. I'm not an expert on coins, but if the 1944 was 100% steel, I would expect it to weigh something different then modern pennies. Another test would be to measure the resistance with a micro-ohm meter. This is a specialized device that can measure resistance to a millionth of an ohm. Steel should have a different resistance than the metals used on other pennies. Here are some comments from wikipedia: In 1943, at the peak of World War II, cents of zinc-coated steel were made for a short time due to war demands for copper. A few (the U.S. Mint reports forty) copper cents from 1943 were produced from the 1942 planchets remaining in the bins. Similarly, some 1944 steel cents have been reported. Following 1943, salvaged ammunition shells made their way into the minting process, and it was not uncommon to see coins featuring streaks of brass or having a considerably darker finish than other issues.
Q:Are steel toe boots worth $200?
I bought a pair of plain old Dublin paddock boots from my local tack shop for about $50. I'm not sure if they're steel toed, but I've been stepped on countless times by big quarter and draft horses and never been hurt by it. I'd say, even when working with unfamiliar horses, any good quality paddock boot that fits will be fine, so don't worry about the expensive ones.
Q:how to forge damascus steel?
hand made folding knife English tip, blade of Damascus metallic sort Rose, 2,5mm thickness, no liners, teja spring embellished by using metallic report and billet surrounded of chrome metallic. A Damascus blade knife is characterised by using a wavy, mottled visual allure on the blade that’s led to by using the approach used to shape the metallic. the technique of transforming into Damascus metallic is derived from a centuries-previous forging technique used to create blades that grew to become very just about mythical of their attractiveness for power and sharpness it exchange into reported a Damascus knife ought to shrink with the aid of a rifle barrel to boot as with the aid of a hair falling on the blade.

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