主营产品：
- 双卡套球阀,单卡套球阀,异径卡套球阀,变径卡套气源球阀,不锈钢卡套球阀,QG.QY1卡套球阀,内螺纹卡套球阀,外螺纹卡套球阀,高压卡套球阀,六角卡套球阀,304卡套球阀,316卡套球阀
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Stainless steel corrosion resistance introductionDuring the manufacturing process of stainless steel equipment, performance damage, defects, and some substances that affect the surface, such as: dust, floating iron powder or embedded iron, thermal tempering color and other oxide layers, rust spots, grinding burrs, welding arc marks, welding Spatte...
11-04
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Martensitic stainless steelMartensitic stainless steel: stainless steel whose mechanical properties can be adjusted by heat treatment. In layman's terms, it is a kind of hardenable stainless steel. Typical grades are Cr13 type, such as 20Cr13, 30Cr13, 40Cr13, etc. After quenching, the hardness is relatively high, and diff...
11-04
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Duplex stainless steelDuplex stainless steel: It is a stainless steel with austenite and ferrite structure each accounting for about half. In the case of low C content, the Cr content is 18% to 28%, and the Ni content is 3% to 10%. Some steels also contain alloying elements such as Mo, Cu, Si, Nb, Ti, and N. This type of...
11-04
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Ferritic stainless steelFerritic stainless steel: A stainless steel whose structure is mainly ferritic in use. The chromium content is between 11% and 30%, and it has a body-centered cubic crystal structure. This kind of steel generally does not contain nickel, and sometimes also contains a small amount of Mo, Ti, Nb and o...
11-04
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Principle and characteristics of stainless steel card sleeve ball valvePrinciple of stainless steel card sleeve ball valveThe ferrule type ball valve is mainly composed of a ferrule with a 24-degree tapered hole and a ferrule with a sharp inner blade and a compression nut for compression. When the nut is tightened, the ferrule is pushed into the 24-degree taper hole an...
11-04
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What is austenitic stainless steelAustenitic stainless steel: stainless steel with an austenitic structure at room temperature. When the steel contains about 18% Cr, 8%~10% Ni, and about 0.1% C, it has a stable austenite structure. Austenitic chromium-nickel stainless steel includes the famous 18Cr-8Ni steel and the high Cr-Ni serie...
11-04
