- Aluminum: (with a content of not less than 99%) Aluminum has excellent corrosion resistance and processing performance, and is suitable for manufacturing double clip gaskets. The Brinell hardness is about 35. It is recommended that the maximum continuous operating temperature should not exceed 426 ℃.
- Carbon steel: usually used in high concentration acid and many alkali solutions, with a Brinell hardness of about 120. It is recommended that the maximum working temperature not exceed 538 ℃.
- 304 Stainless steel: 18-8 (chromium accounts for 18-20%, nickel 8-10%), which is prone to stress corrosion and grain boundary corrosion in the temperature range of -196~538 ℃. Brinell hardness of 160. It is recommended that the maximum working temperature should not exceed 760 ℃.
- 304L stainless steel: The carbon content of the material does not exceed 0.03%. The corrosion resistance of 304L stainless steel is similar to that of 304 stainless steel. But its carbon content is relatively low, reducing the precipitation of carbon from the lattice, and its resistance to grain boundary corrosion is higher compared to 304 stainless steel. Brinell hardness of 140. It is recommended that the maximum working temperature should not exceed 760 ℃.
- 316 Stainless steel: 18-12 (chromium station 18%, nickel 12%), adding about 2% molybdenum to 304 stainless steel. When the temperature increases, its strength and corrosion resistance also improve, and its high creep resistance is higher than ordinary stainless steel. Brinell hardness of 160. It is recommended that the maximum working temperature should not exceed 760 ℃.
- 316L stainless steel: Compared to 316 stainless steel, this material has better stress resistance and grain boundary corrosion resistance. Brinell hardness of 140. It is recommended that the maximum working temperature should not exceed 760-815 ℃.
- 20 Alloy: 45% iron, 24% nickel, 20% chromium, and small amounts of copper and molybdenum. Suitable for manufacturing equipment resistant to sulfuric acid corrosion, with a Brinell hardness of 160. It is recommended that the maximum operating temperature not exceed 760-815 ℃.
- Purple copper: The composition of purple copper is close to that of pure copper, and the trace amount of silver it contains can increase its continuous working temperature. The Brinell hardness is about 80. It is recommended that the maximum continuous operating temperature should not exceed 260 ℃.
- Brass: (containing 66% copper and 34% zinc), has good corrosion resistance in many cases, but is not suitable for acetic acid, salt, ammonia, and acetylene. Brinell hardness 58. It is recommended that the maximum continuous operating temperature should not exceed 260 ℃.
- Hastelloy B-2: (containing 26-30% copper and 34% zinc) has excellent heat resistance to concentrated hydrochloric acid corrosion, as well as resistance to wet hydrogen chloride gas corrosion, phosphoric acid, sulfuric acid, and reducing salt solution corrosion. Has high strength at high temperatures. Brinell hardness 230. It is recommended that the maximum working temperature should not exceed 1093 ℃.
- Hastelloy C-276: (containing 16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% iron, and the rest is nickel), this material has good corrosion resistance and stress corrosion resistance, with good resistance to hydrochloric acid and sulfuric acid corrosion. Brinell hardness 210. It is recommended that the maximum working temperature not exceed 1093 ℃.
- Monel 400: (containing 30% copper and nickel), in addition to strong oxidizing acids, has good corrosion resistance to most acids and bases, but is prone to stress corrosion cracking in fluoric acid, mercuric chloride, and mercury media. This material is widely used in equipment for manufacturing hydrofluoric acid. Brinell hardness 120. It is recommended that the maximum continuous operating temperature should not exceed 815 ℃.
- Inconel 600: Nickel based alloy (containing 77% nickel, 15% chromium, 7% iron). This material has high strength at high temperatures and is generally used as equipment to solve stress corrosion problems. Excellent processing performance under low temperature conditions. Brinell hardness of 150. It is recommended that the maximum working temperature should not exceed 1093 ℃.
- Titanium: Excellent corrosion resistance under high temperature conditions. It also has excellent resistance to nitric acid corrosion in a wide temperature and concentration range. Titanium material is not commonly used in most alkaline solutions and is suitable for chlorination conditions. Its Brinell hardness is about 216. It is recommended that the maximum working temperature not exceed 1093 ℃.
There are many types of RTJ gaskets, including R Gasket,RX Gasket,BX Gasket, SBX Gasket,IX Gasket,and various customized products.We will do more sharing about ring joint gasket.