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首页> 外文期刊>Metallurgist >Effect of Alloying with Molybdenum and Chromium on Pipe Steel of Strength Category X65 Properties
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Effect of Alloying with Molybdenum and Chromium on Pipe Steel of Strength Category X65 Properties

机译：钼铬合金化对强度类别X65性能的钢管的影响

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摘要

Kinetics of austenite phase transformation in previously deformed steels of different alloy systems during continuous cooling are studied. It is shown that with a basic chemical composition of 0.06% C and 1.55% Mn-Nb-Ti alloying with chromium (0.19%) leads to the formation after cooling of an almost identical microstructure, as also with addition of molybdenum (0.14%), from the point of view of fineness and hardness. An optimum steel alloy system is suggested from an economic point of view that provides the required set of properties for rolled sheet more than 30 mm thick of strength category X65 produced under conditions of the VMZ (Vyksa) sheet rolling complex (5000 mill).
机译：研究了在连续冷却过程中，不同合金体系的先前变形钢中奥氏体相变的动力学。结果表明，基本化学成分为0.06％的C和1.55％的Mn-Nb-Ti与铬（0.19％）合金化后，冷却后几乎形成了几乎相同的微观结构，此外还添加了钼（0.14％）从细度和硬度的角度来看。从经济角度出发，建议使用一种最佳的钢合金系统，该系统可为在VMZ（Vyksa）板材轧制设备（5000轧机）的条件下生产的厚度超过30 mm的强度等级X65的板材提供所需的性能。

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