一本一道波多野结衣AV一区_久久天天躁狠狠躁夜夜av浪潮_中文字幕 一区二区三区_亚洲欧洲无码精品ⅤA

環壓式不銹鋼管

環(huan)壓(ya)式(shi)(shi)不銹鋼(gang)(gang)管(guan)(guan)一(yi)般常用(yong)(yong)(yong)布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)、洛(luo)氏(shi)(shi)(shi)(shi)(shi)、維氏(shi)(shi)(shi)(shi)(shi)三種硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)指標(biao)(biao)來衡(heng)量其硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)。 環(huan)壓(ya)式(shi)(shi)不銹鋼(gang)(gang)管(guan)(guan)的(de)(de)三種硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)： 洛(luo)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)，環(huan)壓(ya)式(shi)(shi)不銹鋼(gang)(gang)管(guan)(guan)洛(luo)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)試(shi)驗(yan)(yan)(yan)同布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)試(shi)驗(yan)(yan)(yan)一(yi)樣,都(dou)是(shi)壓(ya)痕(hen)試(shi)驗(yan)(yan)(yan)方(fang)法(fa)。不同的(de)(de)是(shi),它(ta)是(shi)測(ce)量壓(ya)痕(hen)的(de)(de)深度(du)(du)(du),洛(luo)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)試(shi)驗(yan)(yan)(yan)是(shi)當前應用(yong)(yong)(yong)很(hen)廣的(de)(de)方(fang)法(fa),其中(zhong)HRC在鋼(gang)(gang)管(guan)(guan)標(biao)(biao)準中(zhong)使用(yong)(yong)(yong)僅次(ci)于布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)HB,洛(luo)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)可(ke)適用(yong)(yong)(yong)于測(ce)定由極(ji)軟到極(ji)硬(ying)(ying)(ying)(ying)(ying)的(de)(de)金(jin)屬材料(liao)(liao),它(ta)彌補了(le)布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)法(fa)的(de)(de)不是(shi),較布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)法(fa)簡便,可(ke)直(zhi)接從硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)機(ji)的(de)(de)表(biao)(biao)盤讀出硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)值。但(dan)是(shi),由于其壓(ya)痕(hen)小,故硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)值不如布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)法(fa)準確。 布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)，在環(huan)壓(ya)式(shi)(shi)不銹鋼(gang)(gang)管(guan)(guan)標(biao)(biao)準中(zhong),布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)用(yong)(yong)(yong)途最廣,往往以壓(ya)痕(hen)直(zhi)徑(jing)來表(biao)(biao)示該材料(liao)(liao)的(de)(de)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du),既(ji)直(zhi)觀,又方(fang)便,但(dan)是(shi)對(dui)于較硬(ying)(ying)(ying)(ying)(ying)的(de)(de)或較薄(bo)的(de)(de)鋼(gang)(gang)材的(de)(de)鋼(gang)(gang)管(guan)(guan)不適用(yong)(yong)(yong)。 維氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)，環(huan)壓(ya)式(shi)(shi)不銹鋼(gang)(gang)管(guan)(guan)維氏(shi)(shi)(shi)(shi)(shi)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)試(shi)驗(yan)(yan)(yan)也是(shi)一(yi)種壓(ya)痕(hen)試(shi)驗(yan)(yan)(yan)方(fang)法(fa),可(ke)用(yong)(yong)(yong)于測(ce)定很(hen)薄(bo)的(de)(de)金(jin)屬材料(liao)(liao)和(he)表(biao)(biao)面層硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du),它(ta)具有布(bu)(bu)氏(shi)(shi)(shi)(shi)(shi)、洛(luo)氏(shi)(shi)(shi)(shi)(shi)法(fa)的(de)(de)主要優(you)點(dian),而克(ke)服了(le)它(ta)們的(de)(de)基(ji)本(ben)缺(que)點(dian),但(dan)不如洛(luo)氏(shi)(shi)(shi)(shi)(shi)法(fa)簡便,維氏(shi)(shi)(shi)(shi)(shi)法(fa)在鋼(gang)(gang)管(guan)(guan)標(biao)(biao)準中(zhong)很(hen)少用(yong)(yong)(yong)。

本(ben)(ben)周(zhou)(zhou)廣州市(shi)場(chang)環(huan)壓式不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)管價(jia)(jia)(jia)格(ge)(ge)(ge)暫穩運行。目(mu)前(qian)主(zhu)導鋼(gang)(gang)(gang)(gang)(gang)廠(chang)(chang)4.75mm以上(shang)普卷(juan)價(jia)(jia)(jia)格(ge)(ge)(ge)在(zai)(zai)3850-3870元/噸，2.75mm卷(juan)價(jia)(jia)(jia)格(ge)(ge)(ge)在(zai)(zai)3950-3960元/噸之(zhi)間，與上(shang)海價(jia)(jia)(jia)差(cha)-50元/噸，與天津(jin)價(jia)(jia)(jia)差(cha)90元/噸。本(ben)(ben)周(zhou)(zhou)樂(le)從(cong)環(huan)壓式不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)管小(xiao)幅拉升后回(hui)落，周(zhou)(zhou)環(huan)比(bi)持平。價(jia)(jia)(jia)格(ge)(ge)(ge)方面(mian)(mian)：目(mu)前(qian)主(zhu)導鋼(gang)(gang)(gang)(gang)(gang)廠(chang)(chang)4.75mm以上(shang)普卷(juan)價(jia)(jia)(jia)格(ge)(ge)(ge)在(zai)(zai)3850-3870元/噸，錳卷(juan)和(he)薄(bo)卷(juan)跌(die)價(jia)(jia)(jia)較(jiao)(jiao)(jiao)多(duo)，目(mu)前(qian)錳卷(juan)價(jia)(jia)(jia)格(ge)(ge)(ge)在(zai)(zai)4070元/噸左(zuo)右(you)(you)，2.0mm薄(bo)卷(juan)價(jia)(jia)(jia)格(ge)(ge)(ge)在(zai)(zai)4100元/噸左(zuo)右(you)(you)，主(zhu)要原(yuan)因是下(xia)游逐(zhu)漸(jian)開始放(fang)假，需求(qiu)回(hui)落，加之(zhi)近期有(you)錳卷(juan)和(he)薄(bo)卷(juan)到(dao)貨(huo)，故(gu)價(jia)(jia)(jia)格(ge)(ge)(ge)見頂(ding)回(hui)落。供(gong)給(gei)方面(mian)(mian)：到(dao)貨(huo)小(xiao)幅減(jian)(jian)少，萬鋼(gang)(gang)(gang)(gang)(gang)資源(yuan)(yuan)仍(reng)然充(chong)足，北方鋼(gang)(gang)(gang)(gang)(gang)廠(chang)(chang)到(dao)貨(huo)減(jian)(jian)少，日照(zhao)，燕鋼(gang)(gang)(gang)(gang)(gang)、沙(sha)鋼(gang)(gang)(gang)(gang)(gang)減(jian)(jian)量較(jiao)(jiao)(jiao)多(duo)，通鋼(gang)(gang)(gang)(gang)(gang)有(you)較(jiao)(jiao)(jiao)多(duo)錳卷(juan)和(he)普卷(juan)到(dao)貨(huo)，本(ben)(ben)鋼(gang)(gang)(gang)(gang)(gang)有(you)較(jiao)(jiao)(jiao)多(duo)花紋卷(juan)到(dao)貨(huo)，漣鋼(gang)(gang)(gang)(gang)(gang)預計有(you)薄(bo)卷(juan)發來(lai)。庫(ku)存(cun)/需求(qiu)方面(mian)(mian)：目(mu)前(qian)樂(le)從(cong)環(huan)壓式不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)管庫(ku)存(cun)在(zai)(zai)30-31萬噸左(zuo)右(you)(you)，繼續呈(cheng)小(xiao)幅上(shang)升態(tai)勢，據(ju)筆者(zhe)了(le)解螺旋管廠(chang)(chang)已經放(fang)假，點零(ling)規格(ge)(ge)(ge)的(de)資源(yuan)(yuan)銷售較(jiao)(jiao)(jiao)差(cha)，價(jia)(jia)(jia)格(ge)(ge)(ge)基本(ben)(ben)處于市(shi)場(chang)最(zui)低水平。心(xin)態(tai)方面(mian)(mian)：商(shang)(shang)家整體心(xin)態(tai)尚可，對(dui)短(duan)期的(de)銷售也(ye)不(bu)抱太大(da)希望，市(shi)場(chang)逐(zhu)漸(jian)休(xiu)市(shi)，下(xia)周(zhou)(zhou)末倉庫(ku)及商(shang)(shang)家或基本(ben)(ben)處于放(fang)假狀態(tai)，因此多(duo)把希望留(liu)待年后。

公司介紹：
江蘇盛群金屬制品有限公司環壓式不銹鋼管常年經銷太鋼、寶鋼、寶新、張浦、浦項、德國克虜伯、瑞典阿維斯塔等知名不銹鋼廠的不銹鋼系列產品。不銹鋼管，304不銹鋼板，304不銹鋼管，304L不銹鋼板，321不銹鋼板，316L不銹鋼板，316L不銹鋼管，不銹鋼卷板、焊管、鋼帶、扁鋼、彎頭、不銹鋼棒、槽鋼、角鋼、六角棒、法蘭、閥門、不銹鋼絲、磨砂板、鏡面板等，公司還可根據客戶要求訂做各種不銹鋼產品。 　　

鄭重承諾，在同等的質量下，保(bao)證以最(zui)低的價格，最(zui)完善的服(fu)務，最(zui)高的信(xin)譽來答謝各界朋友的支(zhi)持與厚愛。歡(huan)迎垂詢光臨(lin)！