Cold Rolled Hot Dipped Galvanized Steel Coils

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
36 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

BASE SUBSTRATE

Hot dip galvanized steel (HDGI), ZINCALUME STEEL COIL

GRADE

SGCC,ENG10142, DX51D, ASTM A653

ZINC COATING

30-200g

COIL WEIGHT

3-7TON

INTERNAL DIAMETER(ID)

508mm

THICKNESS

0.2-0.8 mm

WIDTH

914-1250mm

FINISHING

SMOOTH OR MATTE

PATTERN

MARBLE GRAIN OR WOOD GRAIN

PAINT

EXPOXY, POLYESTER, PVDF

TOP LACQURE COATING

>20 um

BACK LACQURE COATING

7 um

CAPABILITY

100000 TON per year

QUALITY QURANTEE

10 YEARS OF OUTDOOR USING FOR PE

Applications of Prepainted Galvanized Steel Coil:

 

1) Buildings and constructions: roofing, ceilings, gutters, venting lines, indoor decorations, window frames, etc.

2) Electrical appliances: computer shells, washing machines, refrigerators, dehumidifiers, video recorders, water heaters, etc.

3) Agricultural equipments: troughs, feeding tools, agricultural driers, irrigation channels, etc.

4) Vehicle parts: back-seat plates of buses and trucks, conveying systems, oil tanks, etc.

 

 

Coating Chief Feature

 

ProjectPencil hardnessReverse impactT bendingCupping testMEK cleaning
Front/back≥ H/2H≥ 9J/6J≤ 3T/5T≥ 6mm/4mm≥ 100time/50time

 

 

Structure of GI/PPGI

 

ItemThicknessTypeFeature
Laminated film

50μm

Polyethylene

Protecting from scratchs and contamination

(option)

Top coat

20μm

Polyester Fluorine

Chemical resistance and formability

Primer coat

5μm

Polyester

Workability, corrosion resistance and adhesion to the primer coating

Chemical treatment

1μm

Chromate

Good adhesion and corrosion resistance

Substrate

0.2mm-1.2mm

GI.GL,AL

GI.GL,AL

Back coat

 

5±2μm

 

Epoxy

Corrosion resistance and adhesion to the substrate

 

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Q:Whats better, 1045, or 440 stainless steel?
1045 stainless is better
Q:Why aren't bullets made of steel?
Well trying to force that down a rifled barrel would be a funny trick. Please have a friend or two there to record it so they can put the blowing up of your rifle on youtube so people can learn what happens when idiots try stupid things. I'd say you should but you'll likely be dead or in hospital from the injuries. To expand your knowledge: Until you get to NIJ class 3 body armor any lead core high velocity bullet of FMJ form will go through like it's not even there. Oh pretty much anything with soft point ammunition at over 2,000fps velocity will go through with devastating effect. So lets see .. oh yes time to ban the .30-30 Winchester for civilian use. All the typical rifle caliber ammunition designated by the military as armor piercing has a copper alloy jacket around either a hardened steel core or more commonly a lead core with a hardened steel or tungsten alloy penetrator centered in that.
Q:Steel Estimating Question?
It is not clear what stage this project is in. Is it preliminary or has a detailed design been done. It is also not clear if this is only the steel material or does it include the labor as well. A rough guess using a percentage of the total cost is okay if you have historical data to help you. If you have a detailed design then the percentage method should only be used as a check on a detailed cost estimate developed from the plans. If you plan to use numbers provided by someone here on Answers I would hardly call that an estimate.
Q:What brand steel tapes are of good quality?
Durable durable depends on your personal use frequency, the high frequency nature is easy to wear, resulting in scale. If you like fuzzy units if buying tape need verification it is best to buy the Great Wall Seiko goods, because the time to measure the number of verification inspection of steel tape, basically qualified rate of the Great Wall Seiko steel tape can reach one hundred percent.
Q:Probability of steel hardness?
Suppose that the hardness of steel is uniformly distributed, taking on values between 50 and 80 on the Rockwell B scale. That would be... f(x) = 1/(80 - 50), 50 ≤ x ≤ 80 . . . . . 0 elsewhere Consider this following problem.. Compute the probability that the hardness of a randomly selected steel specimen is less than 60. Here, we have... P(x 60) Oh! Know that the mean and the standard deviation of the uniform distribution function are... µ = (a + b)/2 σ = (a - b)²/12 You should get... µ = 65 σ = 75 Now... P(z (60 - 65)/75) = P(z -0.07) Hence, you should get around 0.462. Good luck!
Q:can i heat treat and temper ASTM A36 steel?
A36 is plain carbon structural steel. A36 could almost be considered junk steel. It is not suitable for cutting tools in any respect, as it is far to soft to hold an edge. A36 generally cannot be heat-treated, A36 can only be strengthened by cold-working, and even then, only up to about 60,000 psi. Heating the steel will only make it softer. The only real virtue of A36 is that it's easy to work with, it's easily cut and machined and it is very easy to weld. This is good for making steel structure, but not for knives. Probably the most popular material for knife blades is type 440C stainless. 440C is easy to work with in the un-treated state, and the heat treatment procedure is relatively simple.
Q:Why is stainless steel rust proof?
Rust Proof Metal
Q:Are Black Steel and Black Iron the same?
My son is a bit and spur maker,I asked him about that and he told me that it is a tag they put on bits so a novice person will pay more for a bit that is not any better. Steel is Steel You should have a lot of bite with that bit because it is a pretty fine diameter. The black patina will wear off with use. BTW he just sent two silver bits to a big show in Reno Nev. I have not seen them or pictures of them but he has a $2,000 price tag on each of them. They must be real elaborate probably very fancy spade bits with highly engraved multicolored different metal butterflies on the ports.
Q:Can you give me the general working and description of a steel cooling bed?
Another type of cooling bed is used for square stock. It consists of several beams with angles cut upward from the bottom. The beams move in alternating fashion so that the square beam is lifted and sat into the next 'tooth'. The angle is cut so that the beam rotates as it is set down. This keeps the stock straight while it cools.
Q:About types of stainless steel for knifes.?
The two main ingredients in knife steel are carbon and chromium with some extras that have varying effects on hardness and toughness. Aus8 is similar to 440A stainless with less chromium which would make it a little stronger. I've tested aus8 blades and wasn't real impressed with its edge holding compared to even 5160 carbon steel (the lowest grade I use).

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