Hot-dip Galvanized Steel Sheet

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Product Description:

Hot dip galvanized steel coil

Our Specification:

Product name

Hot dip galvanized steel coil

thickness

0.13mm-2.0mm

width

600mm-1500mm

900mm,914mm,1000mm,1200mm,1250mm,1500mm

zinc coating

30g-225g

standard

ASTM, AISI, DIN, GB

material

SGCC,DC51D,DX51D,DX52D,SPCC,SGCD,Q195,SGHC

surface structure

zero spangle, regular spangle or normal spangle

surface treatment

Mini/regular/ big/zero spangle,Chromate treatment

L/Y/LY/GZ

packing

Standard seaworthy export package

payment

T/T,D/P or L/C

min order

25 ton/tons

delivery  time

within 15-20 days upon receipt original L/C or prepaid money

Our Application:

Construction

the building roof plate, roof grille etc.

Light industry

the home appliances with its shell, civil chimneys, kitchen appliances etc.

Automobile

corrosion resistant parts of car etc.

Farming livestock and fishing

food storage tools; frozen processing equipment of meat and aquatic products etc.

Commerce

storage and transportation of materials, packaging equipment etc.

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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:Is carbon steel a type of alloy?
Carbon steels are alloys. This is evident in the carbon-iron phase diagram:
Q:Remington 870 wingmaster steel shot duck hunting?
Because of environmental concerns steel, bismuth and tungsten is replacing lead shot, for bird hunting. The problem with steel shot is the hardness, which can cause damage to the bore and choke in older shotguns. Unlike lead there is no give to steel and it can damage the bore especially if the choke is on full. Tungsten is also very hard, but it is often alloyed with other metals making it softer causing less damage in older models shotguns. Bismuth falls in between tungsten and steel, being the softer of the two by far.
Q:What is the difference between weldable steel and plate steel?
'Plate' does not refer to a specific alloy. It simply describes the shape in which the metal is sold. Various steel alloys have varying degrees of weldability. Some weld well, with good strength. Others weld poorly, and crack or become very weak. Try looking up information on the specific alloy of steel.
Q:Which one steel or metal?
Steel is a metal.
Q:Science help!?! steel wool experiment?
steel wool = iron fibers and rusts easily in air iron + Oxygen BUT the blue soap protects the iron at first. that needs to be cleaned off. damp surfaces speed the rusting but compeletly underwater there is not much O2, ther eis some temperature has an effect. the rusting depends ofn the area of the fibers which does NOT change when you cut th epad in smaller pieces. a good beginners experiment In old times thye thought the rusted material would lose weight becasuse it was not solid iron any more careful experiments showed it gained weight and lead to and understanding of chemistry
Q:Moravia’s coal and steel industries face challenges because they _____.?
As someone who have lived in northern Moravia at industrial steel and coal city of Ostrava, the closest point is b), but it is questionable. I am not sure how to compare efficiency of largest steel mill in Czech Republic in comparison to China which is the biggest exporter, but Czech steel factories were modernized and run more efficient that 25-35 years ago, and been privatized and owned by Mittal. The workforce had been shrinking, so not exactly sure what that c is pointing to (aging of workforce, size of it, or quality). Northern Moravia is a part of larger coal basin that extend to Poland with large coal deposits. This was foundation for the steel industry in the 1800's together with large ore deposits that was mined in proximity of the Beskidy mountains less than 25 miles from Ostrava. The iron ore mines had been depleted for several decades, and since the late 70's when communists run the country, they were already importing Soviet iron ore. Coal mining within city of Ostrava cased to exist in the 1990's due environmental issues, and also cost. The mines were getting deeper and more costly to operate and there is no more mining within Ostrava. Couple mines are still in operation in Karvina county which is next to Ostrava. Currently the coal deposits south of the city were not opened due environmental issue which would mean destruction of third largest mountain range in the country. Therefore, my conclusion is is b, as the ore and coal resources been shrinking. The biggest challenge not mentioned here is of course competition from Russia, Ukraine, and China, which can produce steel much cheaper.
Q:what is 440c stainless steel means?
It's okorder.com/ Stainless steel Grades [list is not exhaustive] 200 Series—austenitic chromium-nickel-manganese alloys 300 Series—austenitic chromium-nickel alloys Type 301—highly ductile, for formed products. Also hardens rapidly during mechanical working. Good weldability. Better wear resistance and fatigue strength than 304. Type 302—same corrosion resistance as 304, with slightly higher strength due to additional carbon.
Q:slingshot ammo: glass or steel?
definitely steel. i used to hit bullseyes with a good slingshot, and you need heavy, perfectly spherical small steel shot. smaller than a marble, bigger than a bb.
Q:Should I keep my steel cents as an investment?
They'd never be worth much for their steel content, likely always less than face value. They might be worth a premium as coins, but not anything you'd call an investment.

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