The optimum annealing temperature was 850°C because weld metals with annealing 850°C had high elongation and low tensile strength. of Q370 steel plate with 26 mm in thickness was tested
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Aug 21, 2019 · Hui Yang etc studied the corrosion resistance of welding heat affected zone of 304 stainless steel after tensile deformation of 5% and 1100 °C30 min heat treatment . They found that a high proportion of low CSL grain boundaries inside the sample is
JP2010106298A - Method for manufacturing thick steel plate PROBLEM TO BE SOLVED:To provide a method for manufacturing a thick steel plate excellent in a weldability and a ductility in the plate thickness direction, used to a building, bridging, ship-building, offshore structure, tank, etc. SOLUTION:After reheating at 1,000-1,350°C a steel material having the steel composition composed by mass% of 0.01-0.20% C, 0.05-0.50% Si, 0.3-3.0% Mn, 0.03% P
questions AspireBuzzA machinist desires to turn around steel stock of outside diameter 100mm at 1000rpm. The material has tensile strength of 75Kg/mm 2. The depth of cut choosen is 3mm at a feed rate of 0.3 mm/rev. When one of the following tool materials will be suitable for machining the
Estimate the time needed to cool steel ball from 1120 0 k to 720 0 k. Due to high thermal conductivity of steel, there are no temperature gradients within the ball.
questions AspireBuzzWater flowing in a steel pipe of diameter 0.02m, is to be cooled from 40 0 C to 30 0 C . The velocity of water in the steel pipe is 1.5m/ s. The inside surface temperature of the steel pipe is maintained at 25 0 C . The physical properties of water at mean bulk temperature of the fluid are Specific heat = 4.174KJ / kg - K
steel plate q390b, steel plate q390b Suppliers and offers 467 steel plate q390b products. About 14% of these are Steel Sheets. A wide variety of steel plate q390b options are available to you, such as technique, type, and standard.
Q355 steel is a common low alloy high strength steel with yield strength of 355MPa. According to the new standard "low alloy high strength structural steel GB/T1591-2018", starting from February 1, 2019, Q345 steel grade will be cancelled and ch