Stainless materials can be classified into 5 types Stainless steel, as its name implies, contain quantity of steel. When Cr is added to iron in an amount of about 11% or more, the corrosion resistance of iron is remarkably improved.The Stainless Steel 316 Flanges becomes rust-free especially in air. This is because a thin and dense oxide film with a thickness of several nm called a passive film is formed on the surface of the iron-chromium alloy. This iron-chromium Alloy Steel Fittings of 11%Cr or more is called stainless steel. Stainless steel is roughly classified into a Cr-based alloy with Cr as the main alloying element and a Cr-Ni-based alloy with Ni added in addition to it. Martensite type and Cr-Ni type are divided into austenitic type. In addition, Stainless Steel 316L Flanges having a dual-phase structure of austenite and ferrite, corrosion resistance as stainless steel was retained.The strength was improved by utilizing precipitation hardening. According to Stainless Steel Forged Fittings manufacturer some stainless steels can be used in a wide range of temperatures from a high temperature of about 1,273K to liquid the temperature 4K.Many distinctive steel grades have been developed according to their applications and purposes. Today, there are over 200 Alloy Steel Flanges, including the standards and those manufactured by each company. The ASTM A234 WPB is a corrosion resistant alloy steel that skill fully combines the effect of promoting passivation by adding Cr. Austenitic stainless steel has excellent corrosion resistance as well as workability, formability, and weld ability, high temperature strength, and good toughness even at low temperatures.It is widely used in various chemical equipment, and also in construction, food manufacturing equipment, heat exchange. ASTM A420 WPL6 is used in a wide range of products such as vessels, kitchen supplies, automobile parts, railway vehicles, nuclear reactors, and power generation. This type of steel has low yield strength, but a high work hardening rate, and it is possible to obtain high strength by cold working. Here, Carbon Steel Fittings manufacturer explained about stainless steel. Since stainless steel has different workability and physical properties depending on the type, it is recommended to consult an expert about what type is suitable for trial production. The processing companies can provide consultation regarding general prototypes, regardless of stainless steel. Characteristics of high-strength steel, processing In automobile manufacturing, which is one of foreign countriesimportant industries, technological innovation in every aspect is required every day. According to Carbon Steel Flanges manufacturer about 70% of the weight of the car and more than 100 types of parts used are made of steel material. Among ASTM A105 Flanges, the high-tensile steel, commonly known as HITEN, responds to the sophisticated composite requirements of lighter to improve fuel economy. It is a material. For example, in recent years, automobile safety regulations and environmental regulations are becoming more and more stringent. The use of high-tensile ASTM A350 LF2 Flanges that absorbs collision energy and high-tensile ASME B16.47 Flange with extremely high strength in the right places can improve safety and reduce the weight of the vehicle body. Contributes to improved fuel efficiency and energy savings. Also, in order to solve the contradictory issues of lightening to reduce environmental load and improvement of collision safety.