Introduction of 09MnNiDR Steel Plates

The 09MnNiDR steel plate is a steel plate for low temperature pressure vessels: "D" is the first letter of low pinyin, and "R" is the first letter of pinyin.
Main application of 09MnNiDR steel plate: This kind of cryogenic vessel plate is widely used in chemical petroleum, chemical equipment deethanizer, CO2 absorption tower, medium pressure flash tower, cooler, deethanizer, reabsorption tower, compressor casing, Propane cryogenic storage tank manufacturing and other chemical industries.

09MnNiDR delivery status: normalizing or normalizing + tempering quenching + tempering - 70 degrees low temperature impact. Executive standard: GB3531-2014

Production Process Advantages

Advantages of clean steel technology: First-class steelmaking equipment, exquisite refining process, supplemented by VD furnace vacuum treatment, calcium treatment and other processes, to minimize the inclusions and gas content of molten steel, the steel plate has high purity characteristics.
Advantages of electroslag remelting technology: equipped with three 50-ton large-scale slab electroslag remelting equipment unique to China, which greatly reduces the content of harmful elements and inclusions in steel, effectively improves the defects such as looseness and segregation in the ingot, and electroslag ingot The finished steel plate has the characteristics of “three highs” with high density, high purity and high uniformity.
Advantages of thick plate TMCP technology: The research and development of the thick plate TMCP process, using microalloying technology, while improving the toughness of the steel plate, further improve the use characteristics of steel plate welding, molding.
Advantages of large steel ingots and thick slabs: It has the largest domestic specifications of steel ingots and continuous casting blanks and mature technology. Continuous casting billet Zui large section 330mm × 2500mm, with dynamic soft reduction and electromagnetic stirring EMC function, to ensure the high intrinsic quality slab necessary for high quality steel. It has the largest 9 ingot casting lines in China. The maximum single weight of steel ingots is 50 tons, and the special case can reach 80 tons. The annual output of large steel ingots is over 700,000 tons.
 
09MnNiDR Steel Plates Inspection:
The ultrasonic inspection standard of steel plate is carried out according to GB/T2970 or JB/T4730.3. The inspection standard and qualification level are indicated in the contract.
09MnNiDR plate application: used in petroleum, chemical equipment deethanizer, CO2 absorption tower, medium pressure flash tower, cooler, deethanizer, reabsorption tower, compressor casing, propane cryogenic tank manufacturing, etc. , petrochemical equipment, power stations, boilers and other industries, for the production of reactors, heat exchangers, separators, SPHErical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler steam drums, liquefied petroleum gas cylinders, high-pressure water pipes for hydropower stations , turbine volute and other equipment and components.

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