Hot Rolled Steel Coils/Sheets from China, A36,Q235

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Hot Rolled Steel Coils/Sheets

Product:	Hot Rolled Steel Coils/Sheets
Material:	Q195,Q235,A36,SS400,S235JR,Q345,ST37-2, CCSB etc
Standard :	JIS G3002 GB/T251B
Technique:	hot rolled
Thickness	1.2mm to 200mm
Tolerance of thickness:	:+/-0.03mm
Width:	750mm-2000mm
Tolerance of width:	:+/-5.00mm (aiming to +/-2.00mm)
Normal width:	914mm, 1000mm, 1200mm, 1219mm, 1250mm,1500mm
Length:	According to requirement
Coil ID:	508mm-610mm
Coil Weight:	10-25 Metric Tons
Surface:	Black, Chromate, fingerprint resistant treatment, slight oiled or non-oiled, dry
Port of Loading:	Tianjin/Shanghai port
Packaging Details:	Standard export packing or according to the clients required
Delivery Time	Within 30 days after received 30% deposit or workable L/C
Payment Terms:	L/C,T/T

components	C	Si	Mn	P ≤	S ≤	N	TAl	V	Nb	Ni
components	0.06-012	0.15-0.30	0.25-0.50	0.030	0.030
Use	Various types of steel components for riveting, bolting, welding.
size	3000-118800mm1500-4000mm6-700mm
Thickness	6-700mm
Standard	DIN17100
Material	ST37-2
Packing	According to the demand of the customer
Surface treatment	Hot-rolled

Q: i have a question on a test and the questions before it are about blast furnace, wrought iron and cast iron...question 16 is..What is Steel?i dont really get what im being asked.. there could be many answers, what answer are they looking for?: as steel is an alloy i thinkl they are looking for what elements it is made up of

Q: How are steel coils used in the manufacturing of pipes?: Steel coils are used in the manufacturing of pipes by being uncoiled, flattened, and then formed into a cylindrical shape through a process called pipe welding. The steel coils provide the necessary raw material for the production of pipes, ensuring strength, durability, and structural integrity.

Q: I've heard on some 1911 forums that the slides of Armscor guns are now extruded. What is extruded steel? How is it made? Are they strong (4140carbon steel was used in the process).: Extrusion okorder /

Q: a concrete or steel building?also, what is the density of concrete and steel? is concrete heavier in steel for the same volume?: minorchord2000 an engineer using a non-metric measuring system - it's priceless

Q: Could someone please explain what happens when steel is heat treated and why these happenings cause the steel to become harder? Please dig down into the micro details of the crystallites but in somewhat laymen's terms. Also describe the processes which achieve these results; if you have the time. Thanks for your time and effort.: 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: What is the difference between cold rolled strip and cold rolled steel coil?: A simple point is the difference between a strip and a volume. Strip is the flat strip of cold rolling, which is further processed on the basis of flat strip and rolled into thinner and can be rolled up,

Q: Why is steel used for building purpose and not any other metal?: Steel is used over most other metals due to its desireable properties for buildings. To name a few: strength, hardness, ductility, conductivity, flexability, weight, ability to shape/mold, non-combustability, weather resistance and cost Many other metals have the same properties, only on different scales. For instance, copper may be an excellent conductor, howwever it's expensive and not very weather resistant. Aluminum may be flexible, moldable, but not very strong. The list goes on and on..

Q: How are steel coils used in the production of signage?: Steel coils are used in the production of signage as they provide a durable and versatile material for creating sturdy sign structures. The steel coils are typically cut into desired shapes and sizes, then bent, welded, or formed to create the framework of the signs. This allows for the creation of different types of signs, such as billboards, street signs, or large display signs. The steel coils' strength and resistance to weather make them ideal for outdoor signage that needs to withstand various environmental conditions.

Q: Can steel coils be bent or shaped?: Yes, steel coils can be bent or shaped. Steel coils are flexible and can be easily manipulated into various forms or shapes through processes like bending, rolling, or stamping.

Q: What are the different methods of steel coil surface cleaning?: There are several methods of steel coil surface cleaning, including mechanical cleaning, chemical cleaning, and high-pressure water cleaning. Mechanical cleaning involves using abrasive materials or brushes to physically remove dirt, rust, and other contaminants from the surface. Chemical cleaning uses various chemicals or solvents to dissolve or loosen the contaminants, making them easier to remove. High-pressure water cleaning involves spraying water at a high pressure to dislodge and wash away the dirt and debris. These methods can be used individually or in combination, depending on the level of cleanliness required and the specific condition of the steel coil.

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