1) heat-resistant steel welding rod
珠光体耐热钢焊条
1.
Results shows that the joints by using R307 heat-resistant steel welding rod are not only superior in carrying capacity but also better in comprehensive mechanical performance than model 25-13 (A302), which can satisfy the requirement of product design as a result.
结果表明,用R307珠光体耐热钢焊条焊接的接头不仅承载能力超过25—13型(A302)焊接接头,而且其综合机械性能也较好,满足了产品设计要求。
2) pearlite heat-resistant steel
珠光体耐热钢
1.
This article mainly aims at introducing the welding methods of pearlite heat-resistant steel,the selection of weld materials and the pre-heated temperature before welding.
主要介绍了珠光体耐热钢的焊接方法、焊接材料的选择、焊前预热温度、焊后热处理及其焊接性能等方面的内容,并针对本厂的生产结构制订12Cr1MoV材料的工艺评定、焊接工艺参数以及焊后热处理工艺等。
2.
The non-destructive carbide phase analysis method for pearlite heat-resistant steel used in the past is improved, and it is easy to manipulate and master.
对过去采用的珠光体耐热钢非破坏碳化物相分析方法进行了改进,其操作简单,宜于掌握,分析结果的正确度及精密度得到提高。
4) pearlitic heat resistant steel
珠光体耐热钢
1.
Cr1MoV and Cr5Mo are three common types of pearlitic heat resistant steel and widely used for high temperature tubes in petro-chemical industry, so it is necessary to develop a set of computer aided decision-making system for safety evaluation of tubes.
20钢、12Cr1MoV和Cr5Mo是 3种常用作石化企业高温炉管材料的珠光体耐热钢 ,开发和应用计算机决策支持系统对高温管线进行安全评估是非常必要的。
2.
1Cr5Mo, 12CrlMoV and 20# are three types of pearlitic heat resistant steel and widely used for high temperature tubes in petro-chemical industry, so their safety assessments are necessary for the sake of operation safety in high temperature cond.
以1Cr5Mo、12Cr1MoV和20钢三种常用作石化装置高温炉管材料的珠光体耐热钢为研究对象，针对其在高温服役中的安全评估问题，在以往工作的基础上，采用数据库和面向对象编程技术研究开发了一套高温管线安全评估决策支持系统(FES-DP系统)，其目的是为大连石化公司数十套装置中加热炉辐射段管线与这三种材料相关的安全评估提供决策支持。
5) pearlitic heat-resisiting cast steel
珠光体耐热铸钢
6) heat-resistant pearlite steel
珠光钢耐热钢
补充资料：珠光体耐热钢
分子式：
CAS号：
性质：这类钢在正火状态下，具有珠光体和铁素体显微组织的钢。该钢种合金元素含量少，工艺性能好，工作温度最高可达600℃，又称珠光体热强钢或珠光体耐热钢。按用途这类钢又可分为锅炉管用钢、气包用钢、紧固件用钢和转子用钢。
CAS号：
性质：这类钢在正火状态下，具有珠光体和铁素体显微组织的钢。该钢种合金元素含量少，工艺性能好，工作温度最高可达600℃，又称珠光体热强钢或珠光体耐热钢。按用途这类钢又可分为锅炉管用钢、气包用钢、紧固件用钢和转子用钢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条