321 stainless steel stripThings to pay attention to during production

announcer:hp717HP127443542 release time:2022-03-18 22:24:38

In addition to stress corrosion resistance, professional stainless steel plate, stainless steel coil, stainless steel belt and stainless steel pipe have stable, used for molding products. It can also be machined to harden rapidly. Good weldability. The wear resistance and fatigue strength are better than those of stainless steel.

.The specific steps of continuous casting billet process of stainless steel pipe fittings are as follows: according to different steel grades the vibration process of mold is matched with protective slag, which can improve the yield of 10%, save energy and shorten the production cycle, so as to improve the yield of molten steel.

.No matter under dynamic load or static load, it has higher energy absorption capacity than austenitic stainless steel, which has obvious advantages and practical application value for structural parts to deal with sudden accidents such as collision, etc. Compared with austenitic stainless steel,SUS304 stainless steel pipe, duplex stainless steel has the following disadvantages: its universality and versatility are not as good as austenitic stainless steel. For example, its service temperature must be below 250 ℃.

The best choice is also frequently launched in the market. If you want to buy a stainless steel water supply pipe with quality assurance, how should you choose?

Oxygen plus gas flame can not cut stainless steel plate because stainless steel is not easy to be oxidized.


321 stainless steel stripThings to pay attention to during production



Physical properties the total heat transfer coefficient of metal depends not only on the thermal conductivity of metal,Stainless steel pipe, but also on other factors. In most cases, the heat dissipation coefficient of film, rust scale and the surface condition of metal. Stainless steel can keep the surface clean, bending workability, toughness of welding parts and stamping workability of welding parts. Specifically, Si, Mn, P, s, Al and Ni with an appropriate content of less than 0.02% of C, less than 0.02% of N, more than 11% of Cr and less than 17% shall meet 12 & le; Cr Mo 5Si & le; 11 & le; Ni 30 (c n) 0.5 (Mn Cu) & le; Cr 0.5 (Ni Cu) 3Mo & Ge; 0, 0.006 & le; C n & le; 0.030 stainless steel plate is heated to 850 ~ 1250 ℃, and then cooled at a cooling rate of more than 1 ℃ / S. in this way it can become a high-strength stainless steel plate with martensite content of more than 12%, high strength of more than 730mpa,Stainless steel plate cleaning, corrosion resistance and bending processability, and excellent toughness of welding heat affected zone. It can be significantly improved by reusing Mo, B, thick wall seamless steel tube (gjb2296-9 (yb678-7) aviation stainless steel tube (ybt679-9) (yb679-7) aviation 18a blind rivet seamless steel tube (gjb2609-9 (yb680-7) aviation structural tube, seamless steel tube (ybt681-9 (yb681-7 aviation conduit 20A seamless steel pipe small diameter stainless steel pipe seamless steel pipe for high pressure boiler low and medium pressure boiler pipe stainless acid resistant extremely seamless steel pipe seamless steel pipe for petroleum cracking seamless steel boiler and heat exchanger Ferritic and austenitic alloy pipe general purpose austenitic stainless steel pipe and welded pipe austenitic stainless steel seamless steel pipe welded steel pipe welded steel pipe carbon steel, Ferritic and austenitic alloy steel pipe) General requirements General requirements for ferrous and alloy steels for special purposes General requirements for carbon

  630— Common precipitation hardening stainless steel models, products and tens of millions of products are up to you to choose. Professional stainless steel plate, stainless steel coil, stainless steel belt and stainless steel pipe are safe and secure. They are usually also called 17-17% Cr and 4% Ni.

superior quality.  SPHDSPHD—& mdash; Hot rolled steel plate and strip for stamping.

In view of the external export difficulties, on the one hand, China's stainless steel industry needs to improve, but it is important for China's stainless steel industry to continuously improve its quality level and comprehensively upgrade.

Cold rolled non oriented silicon steel strip consists of nominal thickness (expanded by 100 times) + code a + iron loss guarantee value (the value after expanding the iron loss value when the frequency is 50Hz and the large magnetic flux density is 5T by 100 times). For example, 50a470 indicates that the thickness is 0.5mm and the guaranteed value of iron loss is & le; 7 cold rolled non oriented silicon steel strip.


321 stainless steel stripThings to pay attention to during production



The power supply with vertical external characteristics is adopted, and the positive polarity is adopted in DC (the welding wire is connected to the negative pole).

Test conclusion.The two ends of the 6m long steel pipe are mechanically cut, and the pipe end is relatively sharp to prevent direct contact with the sealing ring of the pipe fitting. It is necessary to cut off a small section at both ends of the pipe or grind off the corner edge with a hand grinder, and then clamp the pipe fittings.

Application: utility boiler industry, mainly in key parts such as high temperature section of superheater and reheater.

Price of stainless steel pipe with 5mm diameter: according to the current market situation, the price of stainless steel pipe with 5mm diameter is 23300 yuan per ton.

.The external anti-corrosion coating of stainless steel shall be galvanized and epoxy asphalt coating or coating with higher requirements according to the soil conditions of the pipe laying ground.

Stainless welded disc (grade I) gb1270-80 stainless steel pipe (grade I)

Before connecting the pipe fittings, mark the depth on the pipe first, so as to prevent it from being inserted in place and stuck.