Stainless steel is a popular material in various industries due to its excellent corrosion resistance and durability. SUS436L is a type of stainless steel that is known for its high-temperature oxidation resistance and good weldability.

Stainless steel grade SUS436L is a ferritic steel that has excellent oxidation resistance and corrosion testing compared to grade 409. The addition of molybdenum in this alloy enhances pitting resistance. It is also resistant to stress corrosion cracking in the presence of chlorides, and has excellent formability

What is the chemical composition of Stainless steel SUS436L?

According to JIS standards, the chemical composition of SUS436L is as follows:

Carbon ©: ≤ 0.025%

Silicon (Si): ≤ 1.0%

Manganese (Mn): ≤ 1.0%

Phosphorus (P): ≤ 0.04%

Sulfur (S): ≤ 0.03%

Chromium (Cr): 16-19%

Molybdenum (Mo): 0.75-1.5%

Nitrogen (N): ≤ 0.025%

Titanium (Ti), Niobium (Nb), Zirconium (Zr) or combination thereof: 8* (C % + N % ) to 0.80

Nickel (Ni): ≤ 0.6%

What are the mechanical properties of Stainless steel SSUS436L?

The mechanical properties of SUS436L vary depending on the product form and heat treatment condition. The following table shows some typical values for hot-rolled and cold-rolled plates, sheets and strips:

Product FormHeat TreatmentYield Strength (MPa)Tensile Strength (MPa)Elongation (%)Hardness (HBW)
Hot-rolled–≥ 245≥ 410≥ 20≤ 217
Cold-rolledAnnealed≥ 205≥ 415≥ 22≤ 200

Stainless steel grade SSUS436L is a ferritic stainless steel with excellent oxidation resistance and corrosion resistance, better than Grade 409. The addition of molybdenum to this alloy improves its pitting resistance. It can also resist stress corrosion cracking in the presence of chloride, and has excellent formability.

The mechanical properties of SSUS436L are affected by its chemical composition and microstructure. SSUS436L contains lower carbon and nitrogen, which is conducive to improving its formability and weldability. SSUS436L also contains elements such as molybdenum, titanium, niobium, and zirconium, which can form stable carbides or nitrides in the alloy, thereby preventing intergranular corrosion and grain boundary weakening. The mechanical properties of SSUS436L are also affected by heat treatment conditions. Through appropriate annealing or tempering, the hardness, strength, and toughness of SSUS436L can be adjusted to meet different application requirements.

What are the physical properties of Stainless steel SUS436L？

According to the search results, stainless steel SUS436L is a ferritic stainless steel that has excellent oxidation resistance and corrosion testing compared to grade 409. It has a density of 0.28 lbs/in3 or 7.74 g/cm3, an electrical resistivity of 23.68 microhm-in or 60 microhm-cm at 20 °C, a specific heat of 0.11 BTU/lbl° F or 0.46 kJ/kg•K at 0-100 °C, a thermal conductivity of 15.1 BTU/hr/ft2/ft/° F or 26.1 W/m•K at 100 °C, and a mean coefficient of thermal expansion of 5.2 x 10·6 in/in/° F or 9.3 µm/m•K at 0-100 °C. It also has a modulus of elasticity of 29 x 103 ksi or 200 x 103 MPa in tension, and a magnetic permeability of magnetic. The melting range of this steel is 2600 – 2750 ° F or 1427 – 1510 °C.

What is the processing method of Stainless steel SSUS436L?

stainless steel SUS436L can be processed by various methods, such as cold forming, hot rolling, annealing, descaling, polishing, etc. The type of processing method depends on the desired application and finish of the steel. For example, cold forming is used for drawing and forming operations, hot rolled annealed and descaled is used for applications where a smooth decorative finish is not required, dull finish is used for deep drawn parts that need to retain lubricants, smooth finish is used for lightly formed applications where a glossy finish is desired, etc. The processing method also affects the mechanical properties of the steel, such as tensile strength, yield strength, elongation and hardness.

What are the characteristics of stainless steel SUS436L?

It is a ferritic stainless steel that has excellent oxidation resistance and corrosion testing compared to grade 409.

It has a very low carbon and nitrogen content, and contains molybdenum, titanium, niobium and zirconium as alloying elements.

It has enhanced pitting resistance and is resistant to stress corrosion cracking in the presence of chlorides.

It has excellent formability and can be processed by various methods, such as cold forming, hot rolling, annealing, descaling, polishing, etc.

It is used for automotive exhaust applications and automotive trim.

What is the application of Stainless steel SUS436L?

SUS436L stainless steel is suitable for various applications that require good corrosion resistance and formability. Some of the common applications are:

Automotive exhaust systems: SUS436L stainless steel can withstand high temperatures and corrosive gases in the exhaust pipes, mufflers and catalytic converters.

Stretch formed aerospace components: SUS436L stainless steel can be stretch formed into complex shapes for aerospace applications, such as wing skins, fuselage panels and engine nacelles.

Automotive trim: SUS436L stainless steel can be used for decorative purposes in the automotive industry, such as door handles, window frames, bumpers and grilles.

Kitchenware: SUS436L stainless steel can be used for making utensils, cookware, sinks, faucets and appliances that are exposed to water and food acids.

Heating and water supply equipment: SUS436L stainless steel can be used for making boilers, heaters, pipes, valves and fittings that are in contact with hot water or steam.

How to Choose SUS436L Stainless Steel?

If you are looking for a stainless steel grade that has good corrosion resistance and formability, you may consider SUS436L stainless steel. However, before you make your final decision, you should also consider some factors that may affect your choice, such as:

Cost: SUS436L stainless steel may be more expensive than other grades of stainless steel due to its high chromium and molybdenum content.

Availability: SUS436L stainless steel may not be readily available in your local market or in the desired form or size.

Specification: SUS436L stainless steel may not meet the specific requirements or standards of your application or industry.

Compatibility: SUS436L stainless steel may not be compatible with other materials or components that you