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  • 1Cr13钢管现货定、制批发厂家
  • 本站编辑:安吉县鹏大钢管有限公司发布日期:2018-08-02 15:23 浏览次数:

04不锈钢管是按照美国ASTM标准生产出来的不锈钢的一个牌号。304不锈钢管相当于我国的0Cr19Ni9 (0Cr18Ni9)不锈钢管。304含铬19%,含镍9%。

04 stainless steel pipe is a grade of stainless steel produced in accordance with American ASTM standard. The 304 stainless steel pipe is equivalent to the 0Cr19Ni9 (0Cr18Ni9) stainless steel pipe in our country. 304 chromium containing 19%, containing nickel 9%.

304不锈钢管作为不锈耐热钢使用最广泛,食品用设备,一般化工设备,原子能工业用设备。

304 stainless steel tube is the most widely used stainless steel, food equipment, general chemical equipment, atomic energy industrial equipment.

304 不锈钢管是一种通用性的不锈钢管,它广泛地用于制作要求良好综合性能(耐腐蚀和成型性)的设备和机件。

304 stainless steel pipe is a kind of universal stainless steel pipe, it is widely used in the manufacture of equipment and machinery requiring good comprehensive performance (corrosion resistance and formability).

304不锈钢管是得到最广泛应用的不锈钢、耐热钢。用于食品生产设备、昔通化工设备、核能等.

304 stainless steel pipe is the most widely used stainless steel and heat resistant steel. It is used for food production equipment, chemical equipment, nuclear energy and so on.

在空气中或化学腐蚀介质中能够抵抗腐蚀的一种高合金钢,不锈钢是具有美观的表面和耐腐蚀性能好,不必经过镀色等表面处理,而发挥不锈钢所固有的表面性能,使用于多方面的钢铁的一种,通常称为不锈钢。代表性能的有13铬钢,18-8铬镍钢等高合金钢。

A kind of high alloy steel which can resist corrosion in air or chemical corrosion medium. Stainless steel is a kind of stainless steel, which has beautiful surface and corrosion resistance and does not have to be treated by plating color. The representative properties include 13 chromium steel, 18-8 chromium nickel steel and other high alloy steels.

从金相学角度分析,因为不锈钢含有铬而使表面形成很薄的铬膜,这个膜隔离开与钢内侵入的氧气起耐腐蚀的作用。为了保持不锈钢所固有的耐腐蚀性,钢必须含有12%以上的铬。

From the metallographic point of view, because the stainless steel contains chromium, it causes the surface to form a thin chromium film. The membrane separates from the oxygen intruded in the steel and is resistant to corrosion. In order to maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 12% chromium.

321不锈钢管用无缝钢管(GB3087-1999)是用于制造各种结构低中压锅炉过热蒸汽管、沸水管及机车锅炉用过热蒸汽管、大烟管、 小烟管和拱砖管用的优质碳素结构钢热轧和冷拔(轧)无缝钢管。

321 seamless steel pipe (GB3087-1999) for stainless steel pipe is used to make hot and cold (rolled) seamless steel tubes of superheated steam pipes, boiling water pipes and locomotive boilers for all kinds of low medium pressure boiler, superheated steam pipes, large smoke pipes, small smoke pipes and arch brick pipes.

321不锈钢管:主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢无缝钢管、这些锅炉管经党处于高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀,因此要求钢管有高的持久强度、高的抗氧化性能,并具有良好的组织稳定性,液压支柱管。

321 stainless steel pipe: high quality carbon structural steel, alloy structural steel and stainless steel seamless steel pipe used for the production of high pressure and above pressure steam boiler pipes. These boiler tubes work under high temperature and high pressure, and the pipes will also be oxidized and corroded under the high temperature smoke and steam. It is required that the steel pipe has high endurance strength, high oxidation resistance and good structural stability.

321不锈钢管采用钢号有:

321 stainless steel tube is made of steel number:

优质碳素结构钢钢号有20G、20MnG、25MnG;304不锈钢管。

The quality carbon structural steel No. 20G, 20MnG, 25MnG; 304 stainless steel pipe.

合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、 12CrMoVG、12Cr3MoVSiTiB等;有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外,要逐根做水

Alloy structure steel steel number 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, etc.; rust resistant steel is commonly used in 1Cr18Ni9 and 1Cr18Ni11Nb high pressure boiler tubes to ensure chemical composition and mechanical properties, to make water by root.

压试验,要作扩口、压扁试验。

Pressure test, to make expansion, flatting test.

321不锈钢管以热处理状态交货。此外,对成品钢管显微组织、晶粒度、脱碳层也有一定要求。地质钻探及石油钻控用无缝钢管;为探明地下岩层结构、地下水、石油、天然气及矿产资源情况,利用钻机打井。

321 stainless steel pipe is delivered in heat treatment. In addition, the microstructure, grain size and decarburization layer of finished steel pipe also have certain requirements. Seamless steel pipes for geological drilling and oil drilling control; drilling rigs are used to drill wells in order to explore underground rock structure, groundwater, petroleum, natural gas and mineral resources.