Aluzinc steel coil &antifinger galvalume steel coil

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Quick Details

Standard:
AISI,ASTM,BS,DIN,GB,JIS
Grade:
SGLCH;DX51D+AZ,DX53D+AZ
Thickness:
0.14-4mm
Place of Origin:
Tianjin China (Mainland)
Brand Name:
brilliant steel
Model Number:
various
Type:
Steel Coil
Technique:
Cold Rolled
Surface Treatment:
Galvanized
Application:
Container Plate
Special Use:
High-strength Steel Plate
Width:
600-1500mm
Length:
in coil
Zinc coat:
40-275g
Coil weght:
4-8 tons
Coil ID:
508mm or 610mm
Surface structue:
noirmal spangle,no spangle,skin-passed spangle
aftertreatment mode:
normal passivation,environmental passivation,finger print resistance
surface:
chromated;oiled;dry,skin-pass and non-skin pass

Packaging & Delivery

Packaging Detail:standdard export packaging or as request
Delivery Detail:25 days

Specifications

1.China manufacturer
2.Best service
3.Fast delivery
4.Quantity assured

1.Specification

Galvalume steel coil

Brand Name:

TJBT-GL

Standard:

ASTM A792;

Grade:

SGLCC/ SGLCH/DX51D+AZ/DX53D+AZ/S220GD-550GD

Size:

Thickness:

0.17-2.0mm

Width:

 ≤  1250mm

Length:

Coil or client’s requirements

AluZinc Coating:

30g/m2 to 200g/m2,

Spangle:

regular spangle/minimize spangle and zero spangle

Coil ID:

508 /610mm

Coil Weight:

3-10 Tons

Usage :

Infrastructure : Roofing; External Siding; Garage; Shutter

Household Appliances :Oven; Air-Conditioning Ventilation System; Solar Water Heater; Electronics;

Automobile : Mobile Muffler; Vent Pipe; Catalysis Converter Heater Shield; Bottom Accessories;

Industrial Instrument : Electric Control Cabinet; Industrial Freezer Chest; Dispenser

The plating coat of Aluminium-Zinc Alloy Armor plate is Zn-Al alloy, and its composition is 55% Al, 43.3% Zn and 1.6% Si. The plate is of smooth surface and excellent corrosion resistance of the atmosphere, which is 2 to 6 times higher than hot-dip galvanized sheet of the same thickness of plating coat. After through three processes, including payoff reel, crop shear and welding, enter into the continuous annealing furnace. During the annealing process, strips are heated closer to the recrystallizing temperature, and then heated to 20~50°C above the recrystallizing temperature in the reducing furnace. After keeping the same temperature for 170s, strips are naturally cooled to the normal temperature in the slow cooling process. Afterward, strips enter into the zinc pot through the elephant’s trunk and begin in the hot-dip coating process. The optimum temperature range of the plating coat is 630°C~660°C. Coated with aluminium-zinc alloy, strips enter into the cooling tower by the steady roll and air knife. After fast cooled with wind or water, they are directly produced into Al-Zn armor plates. The general rate of cooling is 30°C/s or so, and strips are cooled to about 60°C.

2.Memical composotion and production process

Chemical Requiremetns for structure steel

Composition, %-Heat Analysis Element, maximum, unless otherwise Shown

Designation

C

Mn

P

S

Cu

Ni

Cr

Mo

V

Cb

TiA

NB

G230

0.20

1.35

0.04

0.04

0.25

0.20

0.15

0.06

0.008

0.008

0.025

G255

0.20

1.35

0.10

0.04

0.25

0.20

0.15

0.06

0.008

0.008

0.025

G275

0.25

1.35

0.10

0.04

0.25

0.20

0.15

0.06

0.008

0.008

0.025

G340

0.25

1.35

0.20

0.04

0.25

0.20

0.15

0.06

0.008

0.008

0.025

G550

0.20

1.35

0.04

0.04

0.25

0.20

0.15

0.06

0.008

0.015

0.025

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Q:carbon steel?
Try the internet. I'm sure the steel suppliers there know about this
Q:advantages and disadvantages of steel structure?
Disadvantages Of Steel
Q:Ideas for Fantasy Culture: Steel Making?
Well, steel is just modified iron, so you're going to have to start with acquiring the iron first. For that, you're most likely going to be using some sort of underground mining somewhere - either they do that themselves, or they purchase the iron elsewhere. Assuming you're not dealing with meteoric iron (which is possible, but pretty uncommon), or iron sands (not likely in a woodland area), then unless you're dealing with a rocky outcropping with iron veins out in the open, I'm pretty sure there needs to be somebody doing some digging. That said, it doesn't need to be a full raping of the land scenario. A couple of minor mines, some small-scale smelting operations, and somebody knowing the secret of making steel, and it could give you small amounts of steel without making an ecological disaster.
Q:why do you heat steel when hardening?
Metalurgy is a fascinating science which has been used to mark the ages of civilization: the Bronze Age, the Iron Age, etc. Ancient sword makers heated steel until the polished surface showed a straw color (which we now know to be about 550°F, and due to surface oxides) and then plunged the blade into a tank of water. The blade was quickly removed, repolished, and observed closely for heat transfer from the core returning the surface to straw color. If so, it was quenched again. This technique left the surface hard without making the blade brittle. Today the steel crystal lattice is known to be either face centered cubic (iron atoms at the corners of a cube and iron atoms centered in the faces of the cube) or body centered cubic ( iron atoms at the corners of the cube and an iron atom at the geometric center of the cube). Most experienced machinists can estimate the temperature of steel from the color of its surface oxides.
Q:What is cold steel ?!?
Cold steel was an expression originally used to signify a sword. From feeling the cold of the blade as it entered the body.
Q:Question about the strength if steel?
There are many types of steel some very rigid, while you can have steel that is very flexible. The type of katana: steel is for Samurai swords
Q:what steel anodizes well?
Steel doesn't anodize in the sense that aluminum and some other metals do. However, it can be heat-colored. The trick is to clean the surface first (it must be oxide free), then heat gently until the colors appear. These are called temper colors in steel. They are due to a thin adherent layer of oxide that forms and thickens as temperature is increased. They are quite temperature dependent. As the steel is heated, the first color to appear is pale yellow. This will progress through darker yellows, browns, purples, and blues as the temperature rises. Above blue, the oxide becomes the gray/black color you are apparently getting - this is the result of heating too fast and too hot. See the chart at the site below for colors in plain carbon steel. Note that the temperatures are pretty low - It all starts around 400 F and if you go above 600 F the show's all over.
Q:where can I find the weight of steel?
Just know the type of steel ,its density. Density gives you weight per unit of volume. For example: The density of mild steel is approximately 7.85 g/cm^3 (0.284 lb/in^3) From above , you can say that 1 cm^3 of volume of mild steel have 7.85 gram weight.
Q:where is cold formed steel framing used?
It will vary from location to location. A possible way of telling is how the material is joined. If the material is riveted together it is likely cold rolled. If the material is welded then its probably normalized steel (possibly annealed but less likely). Cold rolling increases the yield strength of the material so less of it is needed. However, it also make the material more brittle. Welding creates defects in the region surrounding the weld and these are more likely to grow and cause failure in a cold rolled steel than a normalised or annealed steels. In addition the heat from the welding will change the microstructure that was deliberately introduced by the cold rolling process resulting in a localised drop in yield strength. Normalised and annealed steels are more ductile and tougher than Cold rolled steel but they have a lower yield strength. Because they are tough and ductile they are less sensitive to crakcs and defects so welding won't lead to as big a reduction in strength. Another possible consideration is the environment they are used in. Steels exhibit a transition temperature (actually more like a range) where they go from behaving like a ductile material to a brittle material. A well known example of what this can cause are the Liberty ships in WW2 (Supply vessels from the US to the UK). These were made by welding together sheets of cold rolled steel to form one continuous Hull. Unfortuantely the transiton temperature of the steel taht was sued was around 4 degrees while the Baltic Ocean is about 0 degrees. As a result small cracks would grow and then when the reached a critical size they would tear through the ship at the speed of sound in the metal (1500m/s) and these massive cargo ships would literally snap like twigs. So, if the steel is being used somewhere really cold its unlikely to be Cold rolled too.
Q:steel refining process?
Refining process for steel include burning out the extra carbon and impurities with oxygen lancing and protecting the steel from atmospheric gas inclusion by protective environment during such process . Measured % of ferralloys are also added to produce various grades of steel . These may be done in induction furnace/ laddle refining furnace / crucibles converters etc.

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