Introduction of 436 stainless steel, chemical composition of 436L stainless steel

436 stainless steel is a modified grade of 434 that reduces the tendency to "wrinkle" in relatively strict stretch forming operations. 430 is used as a molded product such as automotive interior trim panels, and 434 and 436 stainless steel are used when good corrosion resistance is required.

SUS436L belongs to the Japanese standard ferritic stainless steel, the implementation standard: JIS G4305-2012 {cold-rolled stainless steel plate, sheet and strip}

SUS436L is based on SUS434 to reduce carbon and nitrogen, and add titanium, niobium or zirconium alone or in combination to improve the processability, weldability and corrosion resistance of steel, mainly used as automotive wheels, fasteners, and building interior and exterior decoration materials.

The chemical composition of SUS436L is shown in the following figure:

436 stainless steel.

Name: Ferritic stainless steel.

Standards: AISI, ASTM

Model: 436

UNS number: S43600

Chemical Composition: Carbon C:

Manganese mn:

Silicon SI:

Chromium Cr: Nickel Ni: —

Phosphorus p: sulfur s:

Molybdenum Mo: Niobium NB: (5C.)

Note: Unless otherwise indicated, a single figure is a high value;

When used in some tube making processes, some types of austenitic stainless steels must have a nickel content slightly higher than the values shown in the table;

Random; The high ta-content is;

High content is; High content is;

1. SUS436L is a Japanese brand, which belongs to ferritic stainless steel. 2. Ferritic stainless steel (400 series) has a chromium content of 15% to 30%, and has a body-centered cubic crystal structure. This kind of steel generally does not contain nickel, sometimes contains a small amount of MO, Ti, NB and other elements, this kind of steel has a large thermal conductivity, small expansion coefficient, good oxidation resistance, excellent stress corrosion resistance, etc., and is mostly used to manufacture parts and components that are resistant to atmospheric, water vapor, water and oxidizing acid corrosion.

Ferritic stainless steel is not only relatively low and stable, and has many unique characteristics and advantages, it has been proven that in many applications that can only use austenitic stainless steel (300 series), ferritic stainless steel is an excellent alternative material, ferritic stainless steel does not contain nickel, the main elements are chromium (>10%) and iron, chromium is a particularly corrosion-resistant element of stainless steel, and its ** is relatively stable.

304 stainless steel is good.

1. Corrosion resistance. 436 stainless steel basically does not contain nickel metal, and 304 stainless steel contains more chromium nickel metal, so 304 stainless steel has better corrosion resistance than 436 stainless steel.

2. Stable performance. 436 stainless steel belongs to the ferritic normal cavity.

Morphology, 304 stainless steel is austenite.

Morphology, 304 stainless steel is more stable than 436 stainless steel. Macro keys.

1. Stainless steel corresponding grades: 1. National standard GB-T standard: digital grade:

S23043, new grade: 022Cr23Ni4MoCun, old grade: one, 2, American standard:

ASTMA Standard: S32304, SAE Standard: 2304, UNS Standard:

F68,3, Japanese standard JIS standard: -, 4, German standard DIN standard: ,5, European standard EN standard:

x2crnin23-4。

2. Stainless steel chemical composition: carbon c: , silicon si:, manganese mn: , phosphorus p: , sulfur s:, chromium cr:, nickel ni:, molybdenum mo:

Nitrogen n: , copper cu:, other elements:

3. Physical properties of stainless steel: density density (20).

kg, melting point :—specific heat capacity (0 100 ) kg (, thermal conductivity w (

100 -:16, thermal conductivity w (

500 -: coefficient of linear expansion.

10-6/k)

0 100 :13, linear expansion coefficient (10-6 k).

0 563 :, resistivity (20).

.mm2 m): - longitudinal modulus of elasticity.

20) GPA:200, Magnetic:Yes.

4. Mechanical properties of stainless steel: Delivery status: solution treatment of bars, solution pickling of plates, tensile strength (RM MPa): 600, elongation strength (: 400, elongation a %: 25, section shrinkage (z %):

5. Stainless steel heat treatment: Hardness HBW: - Hardness HRB: - Heating temperature: -, heating method: fast cooling.

It belongs to the German standard duplex steel, the executive standard: EN 10088-1-2005, this material has a very low carbon content, high chromium content of stainless steel, and good corrosion resistance to seawater (chloride). It can be used in boilers and pressure vessels, pipelines in chemical plants and oil refineries, amine manufacturing equipment, hydrocarbon fermentation equipment, etc., in addition, it can also be used as a heat exchanger in the manufacturing industry, a cooker preheater in the pulp and paper industry, and a train seat frame in humid heat and offshore areas.

The chemical composition is shown below:

What questions do you want to ask stainless steel?

Nickel-iron-chromium alloy metals are also mixed with lead depending on the manufacturing process.

433 stainless steel is cheaper than SUS304 because it does not need to add nickel. Because there is no need to add nickel and molybdenum, even if the price of these two metals increases, it will not be affected. 2. Thermal conductivity advantages: 433 stainless steel thermal conductivity.

It is about 30% higher than SUS304, so in the application of cooking products. More time and energy saving, coupled with its good magnetic conductivity, in the induction cooker.

The use of the material is more able to show the advantages of the material, and the use effect is better. 3. Material characteristics of stainless steel TTS443M: the pit resistance index of the matrix is 300MV, which is the same as that of 304 stainless steel.

Comparable, high thermal stability, good tensile properties.

304 stainless steel is one of the most widely used chromium-nickel stainless steels, as a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; Good heat workability such as stamping and bending, no heat treatment hardening phenomenon (operating temperature -196 800). Corrosion-resistant in the atmosphere, If it is an industrial atmosphere or a heavily polluted area, it needs to be cleaned in time to avoid corrosion. It is suitable for the processing, storage and transportation of food.

It has good processability and weldability. Plate heat exchangers.

Bellows, household goods tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs), auto parts (windshield wipers, mufflers, molded products), medical appliances, building materials, chemicals, food industry, agriculture, ship parts, etc. 304 stainless steel is a nationally recognized food-grade stainless steel.

Made of metal. 431 Chinese name martensitic stainless steel, Ni-containing CR steel, through heat treatment can obtain high mechanical properties, corrosion resistance is better than 410 steel and 430 steel. 431 stainless steel corresponds to China 1Cr17Ni2, Japan JIS SUS431.

431 stainless steel has high strength, but poor plasticity and weldability. The commonly used grades of martensitic stainless steel are 1Cr Cr13, etc., which have high strength, hardness and wear resistance due to their high carbon content, but their corrosion resistance is slightly worse. It is used for springs, turbine blades, hydraulic valves and other parts with high mechanical properties and general corrosion resistance requirements, and is used after quenching and tempering.

After forging and stamping, annealing is required.

431 stainless steel.

431 Features and Applications:

431 (16Cr-2Ni) Cr steel containing Ni can obtain high mechanical properties through heat treatment, and the corrosion resistance is better than that of 410 steel and 430 steel. 431 stainless steel corresponds to China 1Cr17Ni2, Japan JIS SUS431.

431 Chemical Composition :

Carbon C: Manganese Mn:

Silicon SI:

Chromium Cr: Nickel Ni: —

Phosphorus p: sulfur s:

Note: Unless otherwise specified, a single value is the highest value. When used in some tube making processes, some types of austenitic stainless steels must have a nickel content slightly higher than the values shown in the table; Random; The highest ta-content is; The maximum content is; The maximum content is;

439 steel grades are in ordinary ferrite.

On the basis of material (430), the content of C is reduced, and stable elements such as TI are added, so that the intergranular corrosion resistance, formability and weldability of this steel grade are improved. Compared with 304 steel grades, although the elongation.

Low (about 30%), but the strength, corrosion resistance is comparable, and the corrosion resistance is better than that of the 200 series materials.

Main uses: elevators, escalators decorative plates, building decorative panels, such as decorative structural parts, structural pipes, automobile exhaust system components

Washing machine inner drum.

441 is a high-strength cutting tool steel with slightly higher carbon content and better corrosion resistance. High yield strength can be obtained after proper heat treatment.

The hardness can reach 58HRC, which is one of the hardest stainless steels. The most common example of an application is a "razor blade".

The use determines the good or the bad.