Zhuoxi supplies 310S stainless steel medium and thick plate with drawable veneer, laser cutting and hot rolling oil mill

Introduction to stainless steel plate
  Stainless steel plate is generally the general name of stainless steel plate and acid resistant steel plate
Stainless steel plate refers to the steel plate resistant to the corrosion of weak media such as atmosphere, steam and water, while acid resistant steel plate refers to the steel plate resistant to the corrosion of chemical corrosive media such as acid, alkali and salt
Stainless steel plate came out at the beginning of this century
The development of stainless steel plate has laid an important material and technological foundation for the development of modern industry and scientific and technological progress
There are many kinds of stainless steel plates with different properties
It has gradually formed several categories in the process of development
According to the structure, it can be divided into four categories: austenitic stainless steel plate, martensitic stainless steel plate (including precipitation hardening stainless steel plate), ferritic stainless steel plate, and austenitic plus ferritic duplex stainless steel plate? According to the main chemical composition in the steel plate or some characteristic elements in the steel plate, it is divided into chromium stainless steel plate, chromium nickel stainless steel plate, chromium nickel molybdenum stainless steel plate, low-carbon stainless steel plate, high molybdenum stainless steel plate, high-purity stainless steel plate, etc
According to the performance characteristics and uses of steel plates, they are divided into nitric acid resistant stainless steel plate, sulfuric acid resistant stainless steel plate, pitting corrosion resistant stainless steel plate, stress corrosion resistant stainless steel plate, high-strength stainless steel plate, etc
According to the functional characteristics of steel plate, it is divided into low-temperature stainless steel plate, non-magnetic stainless steel plate, free cutting stainless steel plate, superplastic stainless steel plate, etc
At present, the commonly used classification method is to classify the steel plate according to the characteristics of tissue structure, chemical composition and the combination of the two
It is generally divided into martensitic stainless steel plate, ferritic stainless steel plate, austenitic stainless steel plate, duplex stainless steel plate and precipitation hardening stainless steel plate, or into chromium stainless steel plate and nickel stainless steel plate
Typical uses: pulp and paper equipment, heat exchanger mechanical equipment, dyeing equipment, film processing equipment, pipelines, external materials of buildings in coastal areas, etc

 
According to the manufacturing method, there are two kinds of hot rolling and cold rolling, including thin cold plate with thickness of 0
5
10-885mm, 72938 and medium thick plate with thickness of 4
5-100mm

It is required to be able to withstand the corrosion of oxalic acid, sulfuric acid iron sulfate, nitric acid, nitric acid hydrofluoric acid, sulfuric acid copper sulfate, phosphoric acid, formic acid, acetic acid and other acids
It is widely used in chemical industry, food, medicine, papermaking, petroleum, atomic energy and other industries, as well as various parts of buildings, kitchenware, tableware, vehicles and household appliances

In order to ensure that the mechanical properties such as yield strength, tensile strength, elongation and hardness of various stainless steel plates meet the requirements, the steel plates must undergo heat treatment such as annealing, solution treatment and aging treatment before delivery

The corrosion resistance of stainless steel mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, manganese, etc
) and internal structure

According to the preparation method, it can be divided into hot rolling and cold rolling
According to the structural characteristics of steel grade, it can be divided into 5 categories: austenite ferrite, ferrite, martensite and precipitation hardening

Stainless steel plate has smooth surface, high plasticity, toughness and mechanical strength, and is resistant to corrosion of acid, alkaline gas, solution and other media
It is a kind of alloy steel that is not easy to rust, but it is not rust free

Corrosion resistance
Stainless steel plate has the ability to resist general corrosion similar to unstable nichrome 304
Prolonged heating in the temperature range of chromium carbide may affect the corrosion resistance of alloys 321 and 347 in harsh corrosive media
It is mainly used for high-temperature applications
High temperature applications require strong chemical resistance of materials to prevent intergranular corrosion at lower temperatures

High temperature oxidation resistance
Stainless steel plates have high-temperature oxidation resistance, but the oxidation rate will be affected by inherent factors such as exposure environment and product form

physical property
The total heat transfer coefficient of metal depends not only on the thermal conductivity of metal, but also on other factors
In most cases, the film heat dissipation coefficient, rust scale and metal surface condition
Stainless steel can keep the surface clean, so its heat transfer is better than other metals with higher thermal conductivity
Liaocheng Suntory stainless steel provides eight technical standards for stainless steel plates Stainless steel plate high-strength stainless steel plate with excellent corrosion resistance, bending processability and toughness of welding parts, as well as stamping processability of welding parts and its manufacturing method
Specifically, the appropriate content of Si, Mn, P, s, Al and Ni containing 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 1
5Si≤ 17、1≤ Ni 30(C N) 0
5(Mn Cu)≤ 4、Cr 0
5(Ni Cu) 3
3Mo≥ 16
0、0
006≤ C N≤ The 0
030 stainless steel plate is heated to 850 ~ 1250 ℃, and then subjected to heat treatment 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% by volume, high strength of more than 730mpa, corrosion resistance and bending processability, and excellent toughness of welding heat affected zone
The stamping performance of welded parts can be significantly improved by reusing Mo, B, etc

The flame of oxygen and gas cannot cut stainless steel plate because stainless steel is not easy to be oxidized

5cm thick stainless steel plate shall be processed with special cutting tools, such as:
(1) Laser cutting machine with large wattage
(2) Hydraulic saw
(3) Grinding disc
(4) Human hand saw
(5) Wire cutting machine

(6) High pressure water jet cutting (professional water jet cutting: Wuxi zhuoxi)
(7) Plasma arc cutting