PRE-PAINTED STEEL COIL

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Product Description:

Prepainted galvanized color coated PPGI steel:

Thickness	0.12-1.2mm
Width:	700-1250mm
Material:	SGCC,SGCD,SECC,SECD,DX51D+Z
Zinc coating:	30-180G/M2
Surface Structure:	galvanized ,zero spangle, regular spangle or normal spangle
COLOR:	RAL number or sample colour
Coating:	Topside: 5micron primer +15-20microns polyester Backside: 5-8microns primer epoxy. Surface treatment: chromated and oiled, chromated and non-oiled

II Main characteristics :

1.strong corrosion resistance

2.surface quality

3.conducive to deep processing,such as corrugated steel sheet 4.economy and practicality

III Applications:

Household Appliance:

1.Refrigerator shutter &side panels, Washer, Freezers, Air conditions,
2.Rice Cooker, Microwave Ovens, Water Heaters, Sterilization Cabinets, Range Hoods
3.Computer Panels , DVD/DVB panels, TV back panel etc.

Q: Want to construct a patio cover approx. 20 feet long. Only want to use a 6x6 or 8x8 post at each end. What size steel i-beam would I have to use to carry the load???: First of all is it a rule of thumb with carpenters and ironworkers never to set steel on wood. I would use a 14 tall (2) ply lvl header. *Laminated veneer Lumber. This will hold the weight of the structure between your posts. A steel beam would be quite costly today as prices on steel have skyrocketed, plus you would need a boom truck or small crane to set this beam, and you would need some sort of mounting bracket or holes pre-drilled in the beam ends to secure it to the posts. Plus you would need to have the beam delivered and if your patio is in the backyard - you would need another pc.of equipment to get it around back. Advice from me is to go with an LVL beam. They are 1+3/4 Thick and you would need a (2 ply ) beam, which means you set one pc. and then laminate another one into the first. Glue between layers (use heavy duty liquid nails) and then Lag screw them together. Use 5/16 x 3 lag screws with a washer on each one. Pre-drill holes about 3/16 smaller than lag screws - then insert lag screws and tighten up with an electric impact.

Q: why do you need to heat steel when hardening, molecules etc etc: Halps is off base a little. The reason heat is involved in hardening of steels depends, a little bit, on how you are doing the hardening. If you are hardening by work hardening, you do not have to heat it at all. If you are barbarizing (case hardening), the temperature is raised to increase the diffusion rate of carbon into the steel, higher C content - higher hardness. If you are Thur hardening, you have to heat the steel to the austenitizing temperature (so the structure transforms to FCC crystals with higher solubility for C) and then quench it (cool it rapidly enough to freeze the C atoms in the martensite crystal structure). If you slow cool, the steel could end up softer than it started. All of these processes involve atomic level things. If you want to understand them on the atomic level, you need to study physical metallurgy of steels. It is a subject onto itself and is really quite fascinating if you are interested.

Q: What are the dimensions of steel coils used in the agricultural equipment industry?: The dimensions of steel coils utilized in the agricultural equipment sector differ based on the precise application and equipment requirements. Nevertheless, there are several prevalent dimensions for steel coils employed in this industry, spanning from 0.5mm to 6mm in thickness and 600mm to 2000mm in width. The length of the coils can be tailored to suit the particular equipment demands. Furthermore, the weight of the coils can fluctuate, generally ranging from a few hundred kilograms to multiple tons. It is crucial to acknowledge that these dimensions are not set in stone and may vary depending on the manufacturer and the specific agricultural equipment being manufactured.

Q: and which one is better?i'm looking into buying some aftermarket headers, but companies make them in both chrome and stainless steel: Chrome looks better, but it will eventually rust if it's exposed to enough moisture. Stainless steel will not rust. I would spend the extra money and get the stainless headers.

Q: how many persent of manganese in all types of carbon steel: No problem with other answers but there is a high carbon/manganese steel called Hadfields Steel which has been used as armour plate in pilots seats in fighter aircraft in the second world war.This steel contains about 13% manganese and about 1.5 % carbon and is non-magnetic because it retains it's high temperature crystal type(austenite).When it is stuck with a bullet it absorbs the energy of the strike by changing crystal structure to the magnetic form of iron(in this case shock Martensite),I should think that it still has a role in the scoops and picks in earth-moving and farming blades.Well you did ask about all types of carbon steel!

Q: What are the pros and cons of non-stick and stainless steel pots and pans ?Thanks: Non stick doesnt stick but after time the non stick doesnt stay non stick and then time to replace Stainless steel. some things may not stick but its best to put down a little pam, or cooking oil, and or aluminum foil

Q: Is there any other way of testing whether or not you have a 1944 Steel penny that won't damage the penny. The magnet test doesn't seem to work cause even when I try to get a 2007 penny to stick to the magnet...it won't. So is there some kind of magnet needed? Like power wise or anything like that, if not then I need to know what are other ways of testing the 1944 penny.: 1944 Penny Steel

Q: How are steel coils used in the production of steel plates?: Steel coils are used in the production of steel plates by being fed into a rolling mill where they are gradually flattened and shaped under high pressure. This process, known as hot rolling, transforms the steel coils into thin and flat plates that can be further processed and used in various industries such as construction, automotive, and manufacturing.

Q: What are the different testing methods used for steel coils?: There are several testing methods used for steel coils, including visual inspection, dimensional measurements, hardness testing, chemical composition analysis, and various non-destructive testing techniques such as ultrasonic testing, magnetic particle testing, and eddy current testing. These methods help ensure the quality and integrity of steel coils by detecting any defects, flaws, or deviations from the required specifications.

Q: What are the different types of steel coil slitting knives?: There are several different types of steel coil slitting knives, including circular slitting knives, straight slitting knives, and crush-cut slitting knives. These knives are used for precision cutting and slitting of steel coils into narrower strips or sheets. Circular slitting knives feature a circular shape with sharp edges, while straight slitting knives have a straight cutting edge. Crush-cut slitting knives have a unique design that allows them to crush and cut the material simultaneously. Each type of knife is used for specific applications and offers different advantages depending on the desired outcome.

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