This article discusses the damage of interior residual stress to the low temperature equipment and heat treatment technology for the low temperature equipment.
文中重点叙述了低温设备内残留应力的危害，低温设备热处理的方法、工艺和加热温度的确定。
The low temperature toughness of low temperature steel can be improved effectively by means of adjusting alloy ingredients and modifying heat-treatment regime.
通过调整合金成份和改变热处理制度试验，有效地提高了低温钢的低温韧性。
The selection of chemical composition of ferrite nodular iron used under low temperature, the control plan of nodularization, inoculation technology and heat treatment technique were studied.
研究了低温用铁素体球铁化学成分的选择、球化及孕育工艺的控制以及热处理方案的制定原则，从而确定了低温用铁素体球铁的合理生产方案。
The results indicted that the better resistance to abrasion for deformed low chromium semi-steel could be obtained by making use of a given suitable heat treatment with residual deformed temperature.
结果表明：该钢变形后经适当的余热热处理可获得较高的耐磨性能。
The material chosen for this paper is NM360A whose heat treatment state is quenching + tempering at low temperature, it has excellent wear resistant performance.
本文所选择的的材料为淬火+低温回火状态的NM360A，具有优秀的耐磨性能。
The effects of low temperature chemical heat treatment and high energy density surface treatment on H13 steel surface properties and its die lifespan.
研究了低温化学热处理、高能束流表面处理等对H1 3钢表面性能及其模具寿命的影响。
It is made of high aluminium content grog, magnesite and graphite with a little additives, shaped at high pressure and then through heat treatment at low temperature.
主要原料为高铝熟料、镁砂、石墨或少量添加物，采用高压成型，低温热处理制得。
It is made of high aluminium content grog, magnesite and graphite with a little additives, shaped at high pressure and then through heat treatment at low temperature.
主要原料为高铝熟料、镁砂、石墨或少量添加物，采用高压成型，低温热处理制得。
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