Carbon Steel Flanges A105

Carbon steel flange, that is, the flange or give up flange connector made of carbon steel. It consists of a flange made of carbon steel, which is acknowledged as a carbon metallic flange. Common supplies are solid carbon metallic grade WCB, forging A105, or Q235B, A3, 10#, #20钢, sixteen manganese, forty five steel, Q345B, etc.

Usually to stop rust, there is an electroplating layer (yellow zinc, white zinc, etc.) on the ground of the flange, or brush anti-rust oil and spray anti-rust paint.

The pressure marks exceptional in this popular are divided into PN marks and Class marks.

The PN is marked with 12 stress classes

They were: PN2.5; PN6; PN10; PN16; PN25; PN40; PN63; PN100; PN160; PN250; PN320; PN400

Class is marked with 6 stress classes

They are: Class 150; Class 300; Class 600; Class 900; Class 1500; Class 2500

Another which capacity of carbon steel flange is: the flange produced in accordance with the dimension and tolerance differ required by way of the national standard, which is specific from the flange that is now no longer produced in accordance to the elegant size, moreover recognized as the 2nd favored flange (some human beings identify the non-standard flange is incorrect), frequently some unscrupulous shops will minimize the thickness of the flange, The outer diameter of two sizes to accumulate the purpose of saving materials, as well as the use of scrap steel or scrap steel processing flange, commonly this steel is a chemical composition and mechanical houses of the substandard waste, even higher with the black steel mill personal steelmaking manufacturing flange, the personal steelmaking science used in this personal steelmaking can no longer assurance the mechanical residences and welding performance, the use of steel may additionally now now not be in a function to weld with the metallic pipe, or the metallic itself has cracks, pores, etc. Therefore, when purchasing for flanges, strive to choose out carbon steel flanges.

Features and parameters

Carbon steel flanges are tight and reliable. It has two sealing surfaces, and the sealing ground fabric of the ball valve is significantly used in a range of plastics, which has correct sealing universal overall performance and can accumulate entire sealing. Since carbon metallic flanges are wipeable in the path of opening and closing, they can be used in media with suspended steady particles. Model: Q41F--16C Q41F--25C American preferred A105 is about 0.9% (the elegant is 1.05Max, which can limit with the carbon content material cloth to 1.65% Max), and the content material cloth of the country wide regular 16Mn is about 1.3% (standard 1.2%~1.6%), and the Japanese famous S25C is as a substitute low, below 0.6%.

Commonly used processes

The manufacturing approach consists of forging, casting, medium plate rolling, medium plate cutting, etc.

Among them, the forging rate is the highest, the medium plate product is the second, and the casting product is the lowest. In phrases of quality, forged is the best, rolled is the second, and cast is the third. But the diameter of the forging is commonly smaller.