At the same time of doing well in production and operation, Yunnan company focused on completing the four phases of technical transformation construction projects, realizing industrial upgrading, improving equipment level, and laying a good foundation for the future development of the company In the technological transformation project, pollution control facilities have been built synchronously, and a large number of comprehensive utilization projects, such as comprehensive sewage treatment and recycling project, blast furnace gas waste heat and residual pressure power generation, have been invested and constructed,weather resistant S355J0W steel.
Weather resistant S355J0W steel,EN10025-2 S355JR low alloy steel grade is equivalent to GB Q345B in Chinese standard. For the normal thickness, these two steel grades are both owned 345MPa yield strength. Plate S355JR+N indicates that the S355JR steel plate must be done Normalized heat treatment when rolling for improve the steel strength and weldability. Our mill would roll , S355JR alloy steel plate under as rolled or control rolled when customers' have not requested any heat treatment in their P/O.
Weather resistant S355J0W steel,, 20CrMo alloy steel plate has high hardenability, no temper brittleness, good weldability, little tendency of cold cracking, good machinability and cold strain plasticity 20CrMo alloy steel plate is generally used in the state of quenching and tempering or carburizing and quenching 20CrMo alloy steel plate is used to manufacture high-pressure pipes, fasteners and carburized parts, such as gears and shafts, working in non corrosive medium and medium containing mixture of nitrogen and hydrogen under 250 ℃,weather resistant S355J0W steel.
First to determine the welding methods, such as hand arc welding, submerged arc welding and tungsten argon arc welding, melting polar gas shielded welding machine, and so on are very many different kinds of welding method, can only be chosen according to specific situation, determine the welding method, and make welding process parameters, different kinds of welding process parameters, such as manual welding mainly includes: electrode model (or brand) diameter, current, voltage, welding power source type and polarity connection, welding layer number, number, inspection method, etc.weather resistant S355J0W steel
Grade P295GH chemical composition under EN10028-2:2003 is displayed as follows Chemical composition (C: 008 to 020; Cr: ≤030; Si: ≤040; Cu: ≤030;Mn: 090 to 150; Mo: ≤008;P: ≤0025; Nb: ≤0020;S: ≤0015; Ni: ≤030;Al: ≤0020; Ti: 003; N: ≤0012; Vi: ≤002) The yield Strength MPa (min) of P295GH steel plate with thickness less than 16mm is 295MPa, and the tensile strength is 460-580MPa,weather resistant S355J0W steel.
We have a professional after-sales department to collect all information related to customers, so as to make relevant treatment in time according to the information, and file it; guide the user's product use methods and precautions; coordinate with the sales department, visit customers regularly, understand the customer's use and new requirements, and make a customer visit record; When communicating with customers, they should be enthusiastic and careful to understand the situation of product problems and put forward solutionsweather resistant S355J0W steel
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