P91

Analysis of Welding and Heat Treatment Process of SA335 / P91 Steel Pipe

SA335/P91钢管的焊接和热处理工艺性分析

Quality Control of T91 / P91 Steel Tubes Used in Utility Boilers

T91/P91钢管在电站锅炉应用中的质量控制

Statistical analysis and reliability prediction of creep rupture property for t91 / p91 steel

T91/P91钢持久性能的统计分析及可靠性预测

This ensures the work of P91 steel welding successfully carry out and guarantees its quality .

确保了P91钢焊接工作顺利进行，保证了质量。

? T91 / P91 is main candidate steel in developing Chinese supercritical power generating unit .

T91／P91钢是我国发展超临界发电机组的主要候选钢种。

The paper explores the effect of the heat treatment temperature on the rupture strength of P91 steel welding joint .

本文探求了热处理温度对P91钢焊接接头持久强度的性能影响。

Application of T91 / P91 Steel Pipes in Utility Boilers

T91/P91钢管在电站锅炉上的应用

Influence of Technological Parameter and Welding Consumable on Weld Performance of T91 / P91 Steel

工艺参数及焊接材料对T91/P91钢焊缝性能的影响

Deepened Study of Domestic Steel T91 / P91

国产T91/P91的深化研究

Analysis of the P91 / 10CrMo910 dissimilar steel welded joints

P91与10CrMo910异种钢焊接接头特性分析

Service Condition-Creep Rupture Property Interference Model and Its Application in Reliability Assessment of T91 / P91 Steels

服役条件-持久强度干涉模型及其在T91/P91钢可靠性评估中的应用

T91 / P91 Steel 's Research of Welding Heat-affected Zone Crack and Evaluation of Welding Property in Generating Station

电厂用T91/P91钢焊接热影响区裂纹研究及焊接性能评定

Discuss lightly the welding technology of P91 + 12Cr1MoVG on extra-thick wall big diameter pipe dissimilar steel

P91+12Cr1MoV异种钢超厚壁大径管焊接工艺

The qualified welding procedure has successfully been used for the welding of the P91 steel furnace tubes in three ethylene cracking furnaces .

并依此制定工艺，成功地完成了该钢种在三台乙烯裂解炉中的焊接应用。

Due to its good quality resistant to the high temperature , the P91 steel has been widely applied to the equipments of the power plants in our country .

由于P91钢具有良好的高温性能，近年来在我国的电力设备中得到了广泛应用。

The paper mainly involves description of the progress of R D of P91 seamless steel tube by Pan-gang Group Chengdu Iron Steel Co.

重点介绍了攀钢集团成都钢铁有限责任公司研制P91无缝钢管所取得的进展情况和生产工艺特点。

Through structural analyzing and testing mechanical properties of samples after heat treatment with various technological parameters , the key parameters effected on T / P91 performance are found out .

通过测试采用不同参数热处理后材料的力学性能，以及组织结构分析，基本查明了影响T/P91钢性能的关键。

The results show that , because of the difference of mechanical properties of P91 steel , its microstructure images , sub-structure and carbides are different correspondingly .

结果表明，在力学性能不同的情况下，P91钢的金相组织形貌有所差异，其亚结构和碳化物的形态也相应有所不同。

P91 / T91steel is a new martensitic steel , developed by the Oak Ridge National Laboratory and The United States of America Combustion Engineering Company .

P91钢是新型的马氏体耐热钢。它是由美国国立像树岭实验室和美国燃烧工程公司冶金材料实验室合作研制的。

As the representation of these kinds of steel , T / P91 of new grade boiler steel and TP347H of stainless steel have been developed and applied .

以T／P91钢为代表的新型细晶强韧型铁素体耐热钢及以TP347H为代表奥氏体不锈钢等超超临界机组锅炉用钢，已经不断被开发和应用。

Abstract The paper presents a survey on the outstanding properties of T91 / P91 steel pipes as well as their weldability and pliability during manufacture .

该文综述了T91／P91钢管的优良性能，以及锅炉制造过程中弯管和焊接的工艺性能。

T91 / P91 is a key material to ensure the achievement of main steam condition from 566 ℃ to 593 ℃ in the super critical electricity generation units .

T91/P91钢是国外为提高火力发电机组的效率而研制的一种高合金耐热钢，它是完成超临界发电机组主蒸汽参数由566℃向593℃过渡的关键材料。

The paper introduces the basic feature , the welding property , the welding process and the welding quality inspection of P91 steel , And It deals with how to make the welding quality control .

本文介绍P91管材的基本特征、焊接性能、焊接工艺及焊接质量检验，并阐述如何做好焊接质量控制。

Up to now , T / P91 have been widely used in fossil plants of the advanced countries and regions such as US , Europe and Japan with good economic benefits achieved .

当今美、欧、日等先进国家的火力发电厂已普遍使用了T/P91钢，取得了良好的经济效益，良好的经济效益。

From the curves we can see that most of the experiment results are above the linear cumulative damage curve , it indicates that the steel P91 is negative interaction under the condition of this thesis .

由该图可以看出，绝大多数试验点落在线性累积损伤线上侧，表明在本文试验条件下，P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。

In this paper the rupture time of T / P91 steel under different test conditions was calculated , using constrained cavity growth model . Results show that the ratio of calculated time to measured value is less than 2 .

本文采用受约束蠕变孔洞生长模型计算了不同试验条件下T/P91钢的持久断裂时间，计算值与实测值相差不到2倍。

With the development of electric power in our country , thermal power units with high quantity and high capacity are more and more useful , which promotes the use of T91 / P91 heat resistant-steel .

随着我国电力事业的快速发展，高参数、大容量的火电机组不断涌现，T91/P91马氏体耐热钢因其优良的性能而得到日益广泛的应用。

Base on using other 's successful experience for learn and reference , according to the demand of T91 / P91 Welding Technology Guide , We makes assessment test of welding technology and works out the technology of welding and heat treatment .

在学习和借鉴兄弟单位成功经验的基础上，严格按《T91/P91钢焊接工艺导则》要求，进行了焊接工艺评定试验，制定了焊接、热处理工艺。

However , compared with industrially developed country , the weldability of the electrode for T91 / P91 steel made in china is a little worse , and the microstructure and mechanical property of the weld are not stable .

然而，国产T91/P91钢焊条，与工业发达国家的产品相比，焊条工艺性较差，而且焊缝显微组织和力学性能也不稳定。

The influence of technological parameter such as preheat temperature , heat treatment temperature , weld heat input and welding consumable on the weld of T91 / P91 steel was synthetically analysed by means of SMAW during the course of welding process .

综合分析了手工电弧焊焊接过程中的预热温度、热处理温度、焊接线能量等主要工艺因素以及焊接材料对T91/P91钢焊缝性能的影响。