Q690D carbon steel material equivalent grade

Q690D carbon steel material,BBN company team and culture: tt the end of 2019, in order to thank employees for their hard work and enrich their sparetime lives, the company organized a pleasant trip to Phuket Island, Thailand This tour lasted 6 days and 5 nights, and returned by plane on the evening of December 27 We took off in Zhengzhou at about 5o'clock in the afternoon on the 22th December Let's seize the day and live it to the full, and greet the arrival of the year 2020 together,Q690D carbon steel material.

The metal structure of 15CrMo steel is martensite. This material has good oxidation resistance at about 650℃, good thermal strength below 600 ℃, and good shock absorption and thermal conductivity. 15CrMo steel is widely used in steam turbines. However, this type of steel has a greater tendency to harden and has poor welding performance. GB/T 3077-2015 15CrMo plates are supplied with 5 to 70MM thick, can be set to roll futures.

Q690D carbon steel material,Q345 and Q345B are steel numbers. The differences are as follows:1. Q345 is general and does not indicate the quality level; Q345B is clear and the quality level is B.2. Q345 does not require to inspect the impact performance; Q345B requires that the impact performance at room temperature is qualified (impact at 20 ℃).3. Q345 does not indicate carbon content of steel; Q345B carbon content is 0.20%.Q345 refers to carbon structural steel with yield point (σ s) of 345MPa. The following letters indicate the quality level, including A, B, C, D and E.

Q690D carbon steel material,As the boiler steel plate is working under medium temperature (below 350 ℃) and high pressure, the boiler steel plate is not only subjected to high pressure, but also subjected to impact, fatigue load and water and gas corrosion. The performance requirements for boiler steel mainly include good welding and cold bending performance, certain high temperature strength, alkali corrosion resistance, oxidation resistance, etc.Q690D carbon steel material

The company strengthens process management and pays attention to assessment. One of the key points of good service is to strengthen the process management and improve the evaluation mechanism. Make the after-sales service system more perfect and provide better service for customers.Q690D carbon steel material

We are known as leading manufacturers, suppliers and exporters in the market all over the world We engage in providing a wide range of plates which are accurately mass produced by using the best quality of parts which gives maximum durability and dependability The most important thing to know as a potential customer of IRON&STEEL is that we stock, processing service, and distribute all of the popular grades of carbon steel plate, alloy steel, shipbuilding steel and boiler steel Welcome to come China and visit our factory,Q690D carbon steel material.