Good translation Metal Products (Shanghai) offers stainless steel (made of stainless steel / stainless steel imports) 2Cr13 stainless steel / 2Cr13 steel / 2Cr13 steel bar / 2Cr13 Coil / 2Cr13 steel / 2Cr13 steel / 2Cr13 wire (good translation Metal Products (Shanghai) Co., Ltd. ) 
 2Cr13 

 Standard: GB / T 1220-1992 
 2cr13 Overview 
 Scope: 
 Quenched state, high hardness, good corrosion resistance. For turbine blades. 
 2Cr13 density 7.75g/m3 
 2Cr13 quenching hardness: general 2Cr13 the quenching temperature in the 980 ~ 1050 ℃, 980 ℃ heating oil quenching obtained when the hardness was significantly lower than 1050 ℃ heating oil quenched, 980 ℃ oil-quenched hardness of 45 ~ 50HRC, 1050 ℃ oil-quenched hardness higher 2HRC. 1050 ℃, but the organization has been quenched coarse grains, brittleness. Recommend the use of 1000 ℃ Hardening can get better and hardness. 
 Features: 
 2Cr13 martensitic stainless steel, welded to preheat. And Q235 welding austenitic stainless steel electrode without preheating, such as A302.A307 do. 
 Control of welding seam dilution rate, does not swing welding, using a smaller current. 
 2Cr13 welding consumables can be used: 
 1 atmospheric corrosion resistance election G202, G207, to be warm 150-300 degrees, 700-730 degrees tempering after welding; 
 (2) and heat-resistant organic acid selected: G211, to be warm 150-300 degrees; 
 3 good plasticity: A102, A107, A202, A207, A302, A307, welding preheat, preheat large thick. 
 Representation 
 According to GB / T "grade steel products, said method" requirement, the use of phonetic alphabet, Arabic numerals and symbols of chemical elements in the way in combination. Content: in general the head grade Arabic numerals with an average carbon content (in parts per thousand dollars); average carbon content of less than one-thousandth of the use of "0"; carbon content of not more than 0.03% with "00" means. Alloying element content: an average of less than 1.50% content of alloying elements, the grade, only marked element, generally do not indicate the content; content of alloying elements on average 1.5% -2.49% 2.50% -3.49 12.50% -13.49 %..... %,...., the corresponding labeled 2,3 ..... 13 .... Special purpose stainless steel, in the grade of steel use on behalf of the head with the code. For example: 0Cr18Ni9, Y1Cr17 (cutting steel). 
 Physical properties 
 Chemical composition: 
 Carbon C: 0.16 ~ 0.25 
 Si Si: ≤ 1.00 
 Manganese Mn: ≤ 1.00 
 Sulfur S: ≤ 0.030 
 Phosphorus P: ≤ 0.035 
 Chromium Cr: 12.00 ~ 14.00 
 Ni: to allow containing ≤ 0.60 
 Mechanical properties: 
 Tensile strength σb (MPa): quenching and tempering, ≥ 635 
 Conditions yield strength σ0.2 (MPa): quenching and tempering, ≥ 440 
 Elongation δ5 (%): quenching and tempering, ≥ 20 
 Reduction of area ψ (%): quenching and tempering, ≥ 50 
 Impact energy Akv (J): quenching and tempering, ≥ 63 
 Hardness: Annealed, ≤ 223HB; quenching and tempering, ≥ 192HB 
 ● Heat treatment and microstructure specifications: 
 Heat treatment specifications: 1) annealing, 800 ~ 900 ℃ slow cooling or rapid cooling of about 750 ℃; 2) quenching, 920 ~ 980 ℃ oil 
 Cold; 3) temper, 600 ~ 750 ℃ ??fast-cooling. 
 Microstructure: Organizing for the martensitic type. 
 ● Delivery status: normal to heat treatment delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery. 
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 (Good translation Metal Products (Shanghai) Co., Ltd. published) 
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