Good translation Metal Products (Shanghai) offers stainless steel (made of stainless steel / stainless steel imports) 0cr18ni9ti stainless steel / 0cr18ni9ti steel / 0cr18ni9ti steel bar / 0cr18ni9ti Coil / 0cr18ni9ti steel / 0cr18ni9ti pipe / 0cr18ni9ti wire (good translation Metal Products (Shanghai) Co., Ltd. ) 
 Introduction 

 0Cr18Ni9Ti with intergranular corrosion resistance of titanium, has good resistance to intergranular corrosion and cold stamping performance of oxidizing acids (such as nitric acid) has a strong resistance to corrosion, alkali solution and most organic acids and inorganic acids has some corrosion resistance. 
 Use 
 0Cr18Ni9Ti is the largest amount, the widest range of stainless steel grades, with its output accounting for more than 30% of stainless steel production, for the manufacture of deep drawn molded parts, transmission pipelines acid, acid tanks and storage containers, etc., can be used as chrome-nickel stainless steel and total chromium stainless steel electrode material, but not non-magnetic and low temperature acid components and transmission pipelines, containers, etc. 
 Chemical composition 
 C: ≦ 0.07 Si: ≦ 1.00 Mn: ≦ 2.00 P: ≦ 0.035 S: ≦ 0.030 Ni :8.00-11 .00 Cr :17.00-19 .00 
 Physical constants 
 :1398-1454 ℃ melting point 
 Density: 7.85g/cm3 
 Modulus of elasticity: (20 ℃) ??199GPa 
 Specific heat capacity: 0.5 × 1000J / (kg.K) 
 Thermal conductivity: 0.15 × 100W / (cm.K) 
 Specific resistance: uN. m0.73 
 Mechanical properties 
 1 Mechanical properties at room temperature 
 1080-1130 ℃ water ≥ 520 ≥ 205 ≥ 40 ≥ 60 
 1080-1100 ℃ ≥ 539-686 221-402 51-71 65.5-77.5 water 
 (2) high temperature mechanical properties 
 1050 ℃ water 
 Test temperature: 400 ℃: 412 108 45 69 
 480 ℃: 382 98.1 45 69 
 600 ℃: 333 82.4 39 58 
 700 ℃: 235 73.5 35 36 
 800 ℃: 147 68.6 30 28 
 Welding: 
 Good weldability, welding method can be used as wall thickness, depending on the thickness of 2mm or less in welding work should be adopted, in manual arc welding and plate can be used submerged arc welding, after welding, corrosion does not appear edge makeup weld metal mechanical properties of ≥ 510MPa ≥ 35% 
 Heat treatment: 
 Solution treatment :1080-1100 ℃, water or air cooling 
 Cold-drawn steel billet material return system: 970 ℃, water-cooled 
 Intermediate annealing cold-drawn material system: 850 ℃, water-cooled 
 Corrosion resistance 
 0Cr18Ni9TI steel in nitric acid, sulfuric acid, phosphoric acid and acetic acid corrosion data are shown in Table 10-1010-11 10-12, this steel should be used for low acetic acid, in particular, dilute acetic acid, in acetic acid should be used with more occasions molybdenum or molybdenum, copper, austenitic stainless steel 
 The corrosion of pure acetic acid is weak, generally localized corrosion does not occur, but in actual production, storage and use, due to CI-and the presence of formic acid and other impurities, can cause accelerated corrosion, the pitting is very sensitive to temperature with acetic acid concentration increased, will increase the corrosion, indicating corrosion using data obtained from laboratory data, in conjunction with the actual media usage. 
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