High grade cold rolled sheet

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Cold rolled sheet steel is a plain carbon structural steel cold rolled platereferred to, also known as cold rolled plate, commonly known as cold plate, is sometimes mistakenly written in cold rolling plate. Cold plate is made of hot rolled strip made of ordinary carbon structural steel, thickness of less than 4mm after further cold rolling steel plate. Because the rolling at room temperature, does not produce the oxide scale, therefore, the surface quality of cold plate, high size precision, coupled with the annealing treatment, themechanical properties and process performance are better than the hot rolled thin steel sheet, in many fields, especially the field of the manufacture ofhousehold appliances, has been gradually replaces the hot rolled thin steel sheet.

Cold rolling sheet uses a very wide, such as automotive manufacturing,electrical appliances, vehicles, aerospace, precision instrument, canned food.

Application of brands: Q195, Q215, Q235, Q275; SPCC (Japanese brands);ST12 (German designation)

The general structure of Japan said method for steel grades (JIS standard)

Common structure steel 1 Japanese steel grades mainly consists of three parts: the first part of said materials, such as: S (Steel) said steel, F (Ferrum)said iron; the second part represents a shape, type, different applications,such as P (Plate) said the board, T (Tube) said tube, K (Kogu said tool; the third part) represent the feature numbers, generally is the minimum tensile strength. Such as: SS400, the first S said steel (Steel), second S said "structure" (Structure), 400 for the lower tensile strength of 400MPa, the integral representation for the general structure of the tensile strength of 400MPa steel.

2.SPHC - the first S for steel Steel is an abbreviation for Plate, P inabbreviation, H is a hot Heat acronym, abbreviation for C businessCommercial, the integral representation of hot rolled steel plates and strips for general use.

3.SPHD says hot steel sheets and strip for stamping.

4.SPHE hot rolled steel plates and strips expressed deep drawing.

5.SPCC cold rolled carbon steel sheet and strip, said the general, equivalent to China Q195~Q215A grade, ST12. grade Germany abbreviation Airbenderthird letters of C cold Cold. To ensure the mechanical properties, in the end add T brands such as SPCCT.

6.SPCD cold rolled carbon steel sheet and strip - said by stamping, equivalent to China 08AL (13237) quality carbon structural steel, equivalent to theGerman brand ST13.

7.SPCE cold rolled carbon steel sheet and strip expressed deep drawing, the equivalent of the Chinese 08AL (5213) deep drawing steel, equivalent to theGerman brand ST14. Aging treatment, in the end add N brands, such as SPCEN.

Cold rolled steel sheet and strip for Quenched and tempered Code: annealingstate A standard conditioning for S, 1/8 for 8,1/4 is 4,1/2 hard hard hard hard2, 1.

Surface processing code: Matt finishing D, bright finish rolling for B. As SPCC-SD said, for general use standard tempered cold-rolled carbon sheet mattefinish rolling. As SPCCT-SB said standard conditioning, light processing,requests to guarantee cold-rolled carbon sheet mechanical properties.



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Q:What is the difference between hard steel plate and soft steel plate?
Pre hardened steel: 1. pre hardened steel prehardened is to supply, without heat treatment, but sometimes need to be modified by forging, die forging must be carried out after heat treatment.The pre heat treatment, 2. commonly used pre hardened steel ball annealing is designed to eliminate the forging stress, spheroidal pearlite, uniform hardness, improve the plasticity and improve the performance of extrusion die cutting performance or cold.3. pre hardened steel pre hardening process is simple, most of the quenching and tempering after quenching and tempering, tempering sorbite. High temperature tempering temperature range is wide, can meet the mold hardness requirements of various work. Because of this kind of steel hardenability is good, can be used when quenching oil cooling and air cooling or nitrate quenching.
Q:The difference between color steel and stainless steel
The difference is that an ordinary steel plate is painted with antirust paint and one is made of stainless steelThe same is true of steel, steel and steelIt's essentially different
Q:Can the steel surface be made of epoxy resin flooring?
According to the characteristics of epoxy resin, it should be possible
Q:What do you pay attention to?
In the rapid development of the automotive industry, in order to reduce the weight of the car itself, a variety of lightweight base material is more used by the car, such as plastic products, glass steel and so on. Due to the organizational structure of various materials with different degree of hardness, such as paint layer compared with the plastic to some hard, so it is the same as sandpaper polished plastic will be wiped out some results in the emergence of many, uneven phenomenon, due to very shallow depression layer is in a flat surface, so the putty adhesion is poor. And dry time is slow, difficult grinding. In this case, only the two fill method is used to solve the problem.
Q:What is steel concrete?
The steel reinforced concrete structure for steel reinforced concrete in Japan (two, u, iron and iron bars, a}) structure. In Europe and the United States known as the concrete steel structure (SteelEnc, ED, Concrete) structure, in the former Soviet Union is known as the reinforced concrete structure. According to different forms of steel distribution, SRC structures can be divided into two types: solid steel, steel reinforced concrete and seamless steel reinforced concrete. At present, the solid steel reinforced concrete members are often used in seismic structures, and the typical section forms of solid steel concrete columns, beams, shear walls and joints are commonly used.
Q:Is galvanized iron sheet the same as galvanized steel sheet? solve
One is the same, but one is a thin plate, and the other is a thick plate
Q:What material can be replaced by 345D steel plate?
Higher than its level of material of steel plate can replace.Q345D. yield in more than 345 of the steel.D class -20 degree of shock. Can replace the Q370D.Q390D.Q420D.Q460D.Q550D.Q690D., generally in engineering machinery can be higher generation low
Q:What is the width of carbon steel coil and the width of stainless steel coil, one is 1250 and the other is 1219?
Domestic stainless steel rolling mill is generally 1219, but the design standard is 1300, so there will be flash board 1250, that is not the standard board, belonging to the flash, waste materials, many products manufacturers are also in 1219 as a reference size, product development, if the plate width will be wasted, a lot of scrap production the process, so the business order is generally around 1219 stainless steel coil.
Q:How do I print the steel plate?
It's not print. It was corrosion first. It's laser engraving. Now it's 20 watts above the laser to carve the metal
Q:Which is good, z15 grade steel plate and z25 grade steel plate?
It is obvious that the fracture resistance of lamellar fracture is stronger than that of fracture shrinkage, that is, the lamellar tearing resistance of Z25 is better than that of Z15.

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