8.The composition of purple copper is close to that of pure copper, which contains trace amounts of silver to increase its continuous operating temperature.Recommended maximum continuous working temperature does not exceed 260 ℃.Brinell hardness is about 80.
9.Brass (copper 66%, zinc 34%) has good corrosion resistance under most working conditions, but is not suitable for acetic acid, ammonia, salt and acetylene.Recommended maximum continuous working temperature does not exceed 260 ℃.Brinell hardness is about 58.
10.Haversian b-2 (26-30% molybdenum, 62% nickel and 4-6% iron).Recommended maximum working temperature does not exceed 1093 ℃.It has excellent corrosion performance of hydrochloric acid with heat - resistant concentration.It also has excellent corrosion resistance to wet hydrogen chloride gas, sulfuric acid, phosphoric acid and reducing salt solution.High strength under high temperature.Brinell hardness is about 230.
11.Harbor-c-276 16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% iron, and the rest nickel).Recommended maximum working temperature does not exceed 1093 ℃.Excellent corrosion resistance.It has excellent corrosion resistance, hydrochloric acid and sulfuric acid corrosion resistance and stress corrosion resistance to cold nitric acid or boiling nitric acid with concentration up to 70%.Brinell hardness is about 210.
12.Inconel 600 nickel base alloy (77% nickel, 15% chromium and 7% iron).Recommended maximum working temperature does not exceed 1093 ℃.High strength at high temperature, usually used for equipment to solve stress corrosion problems.Under low temperature condition, has the excellent same processing performance.Brinell hardness about 150.
13.Monel 400 (copper, nickel 30% recommended maximum continuous working temperature does not exceed 815 ℃.Besides strong oxidizing acid, it has excellent corrosion resistance to most acids and bases.Stress corrosion cracking is easy to occur in the medium of fluoric acid, mercury chloride and mercury.Widely used in the manufacture of hydrofluoric acid equipment.Brinell hardness is about 120.
Recommended maximum working temperature does not exceed 1093 ℃.Excellent corrosion resistance at high temperature.It is well known that the corrosion resistance of chloride ions, in a wide range of temperature and concentration, has excellent nitric acid corrosion resistance.Titanium materials are rarely used in most alkali solutions and are suitable for oxidation conditions.Brinell hardness is about 216.