Q:The advantages and disadvantages of the plate frame, what brand is better?

Plate life is longer, unlike the metal easy to aging corrosion, color shape can also be done beautiful point, The disadvantage is that can not do the memory of metal as ultra-light style, so not suitable for small friends face. I am wearing a holy Paul, I feel pretty good

Q:On the difference between Q235 and Q345 plate and use

Q235 steel is an ordinary carbon structural steel, that the old A3 steel its yield point is 235MPa, tensile strength of 375-500MPa. General use more. Q345 steel is a low-alloy high-strength structural steel, including 16Mn, 12MnV, 14MnNb, 18Nb, 16MnRe, including a class of steel, the yield point of 345MPa, tensile strength of 470-630MPa. Ordinary quality of low alloy steel.

Q:Home search needs a thin sheet of paper need to be able to paste the tile as if it is not posted it

With calcium calcium board or fiber cement board can be, but it is best to fix the board fixed in the brick surface coated with a layer of waterproof plastic, dry and then paste. There is a board with glass glue or stone stickers, but a damp, the effect is not good.

Q:What is Guodong plate

Guodong Group mainly produces medium density fiberboard, with an annual output of 300,000 cubic meters, widely used in furniture, wood flooring production. 2017 Guodong Group will add three new production lines from Germany, the production capacity will reach 100 million cubic meters or more, will become the largest domestic medium-density fiberboard manufacturing enterprises

Q:601 grades of stainless steel, would like to know its chemical composition and use, thank you!

600 stainless steel is - martensite precipitation hardening stainless steel, the strength is very high, but the application is not extensive.

Q:What is the solid game chassis?

I am more trustworthy Patriot this brand, with the Patriot Warcraft 3 split game chassis, this chassis is a solid material, is the real chassis durable, no deformation of the product, you may also wish to see this game chassis The

Q:[Discussion] Why is the ultrasonic flaw rating of plates and forgings inconsistent? In the GB / T 6402-2008 steel forgings ultrasonic testing method forging the ultra-straight probe quality grade is divided into 4, 4 the highest requirements. Single point discontinuous flat bottom hole equivalent diameter ≤ 3mm and GB / 72970-2004 thick steel plate in the ultrasonic testing method provides the quality of steel plate is divided into four levels, one level requirements.

The standard is not the same batch of people to develop, certainly have different ideas, and the most important feature of this standard is copied to the EN10228-3 / 4, the basic is directly followed 1, the more important large forgings surface quality requirements are higher, the general surface area Flaw detection requirements than the heart of a grade as much as the specific requirements, depending on the use of the situation, the surface generally require a higher φ2 or φ3 equivalent 2, steel do not know 3, unqualified generally can not be used, but also hard to say, once we do Over 2 products, a test failed, the first make do with the user, the user test pressure no problem, and then use for many years, another qualified qualified, when the pressure test did not pass, spray a person oil

Q:What is the quality of the snowboard?

Chevrolet board than the ordinary lunch box bubble to more than five times, relatively hard, the quality of the general, generally used in the more low-end place. Specifically you ask what the quality is not clear, you know these

Q:Decoration need to buy snow Ling plate, the plate how?

Snow surface plate product shape flat, thick and large ratio, the unit volume of the surface area is also great, this shape features to bring its use on the characteristics: (1) surface area, so inclusive capacity, in the chemical, container, construction (2) can be arbitrarily tailored, bending, stamping, welding, made of various components of the product, the use of flexible and convenient, in the automotive, aviation, shipbuilding and tractor manufacturing and other sectors occupy a very large number of metal products, metal products, metal structure, Important position; (3) can be bent, welded into various types of complex sections of steel, steel, large I-beam, channel and other structural parts, it is called "universal steel."

Q:Plate frame and TR90 which light a little ah

TR90, is currently the most popular ultra-light frame material. ????Knowledge of universal: now glasses regardless of the brand, the material is varied. A pair of beautiful glasses is not only beautiful appearance, but also need to know when the wearer face and glasses with how to match, so that the more perfect, and glasses will play its role in the modification, make you more attractive. Here to understand what glasses look good. ????Today's sheet glasses can be described as all kinds of people are particularly fond of the work complex and delicate, diverse styles, it is important that the color is good, not allergic, it is not easy to fade, it can be wild, itself is in the high-end frame. Whether it is from their own grades or style design is very advantageous, and many brands of glasses are made of sheet metal, such as by the industry more admired wood ninety glasses, is used to produce high-grade sheet, beautiful appearance , Wearing fashion is also very good. What glasses are good-looking? Each pair of glasses have their own characteristics, have their own bright spots, a reasonable choice, the correct match, after wearing are generally very good. Moreover, the spectacle frame itself is an ornament, plays the role of landscaping. Like the trend of fashion style, recommended wood ninety glasses, or lynx "and Ze joint glasses franchise stores"