X70 steel coils of acicular ferrite microstructure for large diameter pipes were researched and developed at Baosteel. The products have been used in West-East Gas Pipeline Project.
宝山钢铁股份有限公司开发研制的针状铁素体型X70大口径输气管线用板卷钢已应用于西气东输管线工程。
Mainly its metallographic structure consists of acicular ferrite and martensite.
钢的组织主要由针状铁素体和马氏体两相组成。
Wollastonite acicular powder possesses widely developing and applying foreground.
硅灰石功能性针状粉体具有广泛的开发应用前景。
The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体,少量的先共析铁素体。
Weld metal zone are mostly acicular ferrite which can improve the weld zone toughness.
焊缝金属区晶粒分布均匀,焊缝金属区多为针状铁素体,能够提高焊缝区的韧性。
And the shapes vary to hexagon, tetragon, acicular and odd different colors are available.
形状有六角形,四角形,长条针形和不规则形状,并有多种颜色可供选择。
The welded metal consists of grain boundary ferrite, ferrite side plate and acicular ferrite.
焊缝组织主要由晶界铁素体、侧板条铁素体和针状铁素体组成;
The results that Mn, Ni control acicular Fe phase are markedly better than those that re does.
锰、镍抑制针状铁相的效果明显优于稀土。
The amount of the acicular ferrite and hardness of the weld metal increase as cu content increasing.
随着焊缝铜含量的增加,针状铁素体数量增加,焊缝显微硬度增大。
Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed.
慢速加热奥氏体化过程中,观察到球状奥氏体和针状奥氏体。
The role of inclusions on the nucleation of acicular ferrite in Ti-B containing weld metal was discussed.
钢中的非金属夹杂物,对促进晶内针状铁素体的形成,提高焊缝金属韧性有显著的作用。
Microstructure of the deposited metals is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体,少量的先共析铁素体。
The ratio of acicular ferrite may increase by raising cooling speed and decreasing final cooling temperature.
提高冷却速度和降低终冷温度可以增加针状铁素体的比例。
Heat treatment temperature influences more obviously on dissolution of acicular iron phase than heat treatment time.
提高热处理温度比增加热处理保温时间的作用更明显。
The results show that the steel plate has excellent integrated mechanical properties, when it obtain the acicular ferrite.
结果表明,当获得针状铁素体组织时,钢板具有最佳的综合力学性能。
The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine preci…
其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。
The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
结果表明,锆的加入增加了焊缝金属中针状铁素体的含量,改善了焊缝金属的微观组织。
The results show that, with the increase of Mo content, the acicular ferrite's content increases, and M-A microstructure appears.
结果表明:随钼的质量分数增加,针状铁素体的含量增加,并且出现了M - A组织。
The microscope forceps comprise a forceps handle and forceps arms. When the forceps arms are folded, the forceps arms are acicular.
显微式钳,包括钳柄和钳臂,钳臂合拢后呈针形。
In the process of wollastonite fining, we can forge and then cool it to protect its crystal structure which is short acicular fiber.
硅灰石微粉碎过程中,为保护硅灰石的短纤维针状结构,可在粉碎前对硅灰石进行煅烧空冷处理。
It represents the trial manufacture of grade X80 pipelines steel hot rolled coil with characteristic of acicular ferrite at BaoSteel Mill.
简要介绍了宝钢试制的以针状铁素体组织为特征的X80级管线钢热轧板卷。
With the increasing of heat input, the width of columnar crystal is increased, the dimension of acicular ferrite of weld metal is increased.
随着热输入增大,焊缝柱状晶宽度增大,焊缝中针状铁素体板条有粗化的趋势;
Pit mud aging appears as the existence of white granule or acicular crystals on pit walls and further the emergence of green or red substances.
窖泥老化常在窖壁出现白色颗粒状或针状结晶体,出现绿色或红色物质等现象。
The results indicate that the microstructure of specimen is mainly lathe bainite, granular bainite, quasi-polygonal ferrite and acicular ferrite.
结果表明,该低碳贝氏体钢的微观组织主要为板条贝氏体、粒状贝氏体、准多边形铁素体及针状铁素体的复合组织。
Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.
通过溶液共混法制备了羟基磷灰石纳米针晶与聚己二酰己二胺生物医用复合材料。
By using appropriate TMCP process, complex phase of acicular ferrite with different compositions could be obtained in low carbon alloy pipeline steel.
采用合适的TMCP工艺,可以在低碳合金管线钢中获得不同组成比的针状铁素体复相组织。
Extra fine powder of acicular barium carbonate is prepared using barium chloride and carbamide as raw material by using homogeneous precipitation method.
以氯化钡和尿素为原料,采用均相沉淀法制备针状碳酸钡超细粉体。
The acicular ferrite pipeline steels have the excellent comprehensive properties and should be used for the key high-pressure gas transmitting pipelines.
鉴于针状铁素体型管道钢具有优异的综合性能,重要高压输气管道应采用针状铁素体管道钢。
The complex inclusions in CGHAZ promote the acicular ferrite formation, which is associated with heat input and affects the mechanical properties of CGHAZ.
结果表明:CGHAZ中复合夹杂物可促进针状铁素体的形成,针状铁素体的数量与输入线能量有关并显著影响CGHAZ的力学性能。
The complex inclusions in CGHAZ promote the acicular ferrite formation, which is associated with heat input and affects the mechanical properties of CGHAZ.
结果表明:CGHAZ中复合夹杂物可促进针状铁素体的形成,针状铁素体的数量与输入线能量有关并显著影响CGHAZ的力学性能。
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