Heat treatment of steel – general definitions and terms Without heat treatment Rolled, forged or cast steel without heat treatment Controlled cooling Cooling from an elevated temperature (after hot plastic deformation) in a predetermined way. Tnis process produces a definite microstructure and mechanical properties and
Read more →Brinell Hardness Vickers Hardness Rockwell Hardness Tensile Strength 100 HB 105 HV – HRC 335 N/mm2 101 HB 106 HV – HRC 338 N/mm2 102 HB 107 HV – HRC 341 N/mm2 103 HB 108 HV
Read more →According to the latest data released by China Federation of Logistics & Purchasing (CFLP) and NBS, the Purchasing Managers’ Index (PMI) of steel industry was 48.6% in February, 4.3 percentage points higher than that in January. New order index (NOI) was 43.3% in February, 8.3 percentage points higher than that in January. Production index increased by 6.0 points to 54.7%
Read more →Liaoning: Promote the reorganization of steel companies such as Anshan Iron and Steel and Benxi Iron and Steel, and cultivate world-class steel companies On April 6, the People’s Government of Liaoning Province issued the “Fourteenth Five-Year Plan for National Economic and Social Development of Liaoning Province and
Read more →Steel Definition Stainless Steel Stainless steel is defined by the following characteristics: Chrome > 10.5 % Nickel < 30 % The following types of stainless steels are available: Austenitic Ferritic Martensitic Duplex grades Austenitic Stainless Steel 300 Series – Chromium-Nickel alloys Main grades: 304,
Read more →Melting & Refining Stainless Steels are usually melted by charging scrap and alloying elements (e.g. ferrochrome, ferronickel) into an EAF. After the initial melting the metal is transferred to an AOD or VOD/VD vessel for refining. Advanced steels for demanding and critical applications require vacuum melting in
Read more →F55: A super duplex stainless steel F55 is a kind of super duplex stainless steel, superior to the 2205 in overall performance. “Super” refers to the high alloying of its components. Compared with other duplex stainless steels, the high alloying of super duplex steels mainly refers
Read more →Material Applications Corrosion Resistance Corrosion is the loss of metal due to a reaction with the environment, and is measured as the percentage of weight loss or as the penetration rate of the corrosion, perhaps measured in inches per year. Corrosion can develop in the
Read more →What Is Penetrant Inspection (FPI And LPI)? Penetrant inspection is a popular detection method because it is relatively inexpensive, can be done remotely, and can be administered on a surface that is oriented in nearly any direction. Penetrant Inspection may take the form of Fluorescent Penetrant
Read more →Material Applications: High-Temperature Corrosion As the performance demands on metals tend to increase as temperature increases, so do the types of corrosive attacks to which the metal is likely to be subjected. When we think of significant industries and applications that are most likely to face
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