LPN Plate Mill Testing Laboratory was established since March, 1995 to test mechanical and chemical properties, to perform analysis of macroscopic structure of steel, including several types of non-destructive tests to meet international standards. LPN Plate Mill Testing Laboratoryhas been approved by ISO/IEC 17025 for measuring tensile strength, impact strength, bendability and analysis of chemical composition of Iron and Steel according to ASTM standards. Mechanical Test LPN provides the mechanical test to support the customer in various sectors especially in construction, petrochemical and fabrication industry. With the specialized and trained persons and the high quality equipment so you can assure that you will get the high accuracy and precision result. TensionTest Bendability Test Impact Test Hardness Test Nondestructive Testing Rigid training for technicians and engineers were made and conducted by professionals with Ph.D. levels. Technicians for MPT, LPT and UT for Levels 2 in accordance with ASNT (American Society for Nondestructive Testing) are available to prepare a complete but comprehensive prognosis and analyses for test specimen in welding structure, pressure vessel, turbine blade, pipes, bridges and etc. Ultrasonic Test Magnetic Particle Test Liquid Penetrant Test Chemical and Metallurgical analysis Moreover LPN Plate Mill Testing Laboratory has expanded further its scope to further serve the needs and wants of the highly demanding market place in Thailand. The macro analyses of weld structure. Chemical analyses by spectrometer (SPECTROVAC) are calibrated using CRM materials (Certified Reference Materials). These activities ensure the accuracy and precision of our testing instrument. Chemical Analysis by Spectrometer Microstructure analysis
Day: September 18, 2020
Hot Rolled Coils
LPN Plate Mill produced hot rolled coils with 4-8 ft in width and 3-25 mm. of thickness. Remarkable specialty is its smooth and plain surface throughout the sheet so it is appropriate for construction works, machinery industry, pipe industry, and other downstream industries. LPN Plate Mill uses slab steel in its production process by selecting more appropriate variety and quality that match customer’s requirements. Reference codes are also applied before feeding them into the production process. The raw materials are calculated to give maximum yields of high quality product in accordance with the pre-rolling process as follows:• Schedule rolling process• Cut raw material with gas• Designate code to help tracking the rolling process• Retouch cut marks before feeding into the production process After that the prepared raw material is fed into the reheat furnace until reach 1250±10 Degrees Celsius at the rate of 100 tons/hour and passes the process of deoxidization of steel oxides formed at high temperatures, by spraying high-pressure water at 150 Bars. The raw material is the rolled back and forth by the mill using the coiling furnaces on both sides of the mill. The coiling furnaces are used to maintain the temperature while rolling which allow plain and smooth surface of the strip while the desired thickness is achieved. This process is controlled by the Automatic Gauge Control System and its thickness is measured again by X-Ray Machines. After the completion of rolling the steel is water cooled by passing through Laminar Flow Cooling Banks that keeps the steel to be rapidly cooled down at a proper rate so as to assure a satisfactory level of quality. Then it is rolled into coils in the Coiler machine, marked, weighed and placed at Coil Yard for further cooling. Before delivery to customers, inspections are made to ensure