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不銹鋼的制作材料 

發(fa)布時間:2022/08/24

  各產品(pin)由(you)于用(yong)途的不(bu)(bu)同(tong)(tong),其加工工藝和(he)原(yuan)料(liao)的品(pin)質要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)也不(bu)(bu)同(tong)(tong)。一(yi)般(ban)(ban)來說不(bu)(bu)銹鋼制品(pin)的不(bu)(bu)同(tong)(tong),其要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)原(yuan)料(liao)厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)也各不(bu)(bu)相(xiang)同(tong)(tong),象二類餐(can)具和(he)保溫(wen)杯(bei)等,厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)一(yi)般(ban)(ban)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)較(jiao)高,為(wei)-3~5%,而(er)一(yi)類餐(can)具厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)一(yi)般(ban)(ban)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)-5%,鋼管(guan)類要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)-10%,賓(bin)館用(yong)冷柜(ju)用(yong)材厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)為(wei)-8%,經(jing)銷(xiao)商對厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)的要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)一(yi)般(ban)(ban)在-4%~6%間。同(tong)(tong)時(shi)產品(pin)內外銷(xiao)的不(bu)(bu)同(tong)(tong)也會導(dao)致客(ke)戶對原(yuan)料(liao)厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)的不(bu)(bu)同(tong)(tong)。一(yi)般(ban)(ban)出(chu)口(kou)產品(pin)客(ke)戶的厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)較(jiao)高,而(er)內銷(xiao)企(qi)業對厚(hou)(hou)度(du)公(gong)(gong)差(cha)(cha)(cha)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)相(xiang)對較(jiao)低(大多(duo)出(chu)于成本方面(mian)考(kao)慮),部分客(ke)戶甚至要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)(qiu)-15%。

  ①DDQ(deepdrawingquality)材(cai):是(shi)(shi)指用(yong)(yong)于深拉(la)(la)(沖(chong))用(yong)(yong)途(tu)的(de)材(cai)料,也就是(shi)(shi)大家(jia)所說(shuo)的(de)的(de)軟(ruan)料,這種材(cai)料的(de)主(zhu)要(yao)特點(dian)是(shi)(shi)延伸率(lv)較(jiao)高(≧53%),硬度較(jiao)低(≦170%),內部(bu)晶粒等級在7。0~8。0之(zhi)間(jian),深沖(chong)性(xing)能極佳。許多生(sheng)產(chan)保溫瓶、鍋類的(de)企業,其產(chan)品(pin)的(de)加工比(bi)(bi)(BLANKINGSIZE/制(zhi)品(pin)直(zhi)徑)一般都比(bi)(bi)較(jiao)高,它們的(de)加工比(bi)(bi)分別達3。0、1。96、2。13、1。98。SUS304DDQ用(yong)(yong)材(cai)主(zhu)要(yao)就是(shi)(shi)用(yong)(yong)于這些要(yao)求較(jiao)高加工比(bi)(bi)的(de)產(chan)品(pin),當然加工比(bi)(bi)超過(guo)2。0的(de)產(chan)品(pin)一般都需經過(guo)幾道(dao)次的(de)拉(la)(la)伸才能完成(cheng)。如(ru)果原料延伸方面達不到(dao)的(de)話,在加工深拉(la)(la)制(zhi)品(pin)時產(chan)品(pin)極易(yi)產(chan)生(sheng)裂紋(wen)、拉(la)(la)穿的(de)現象,影響(xiang)成(cheng)品(pin)合(he)格率(lv),當然也就加大了廠家(jia)的(de)成(cheng)本;

  ②一般材:主(zhu)要用(yong)于除了DDQ用(yong)途外的(de)(de)材料(liao),這種材料(liao)的(de)(de)特(te)點是(shi)延伸(shen)率相對(dui)較(jiao)低(≧45%),而硬度(du)(du)相對(dui)較(jiao)高(≦180HB),內部(bu)晶(jing)粒度(du)(du)等(deng)級在8。0~9。0間(jian),與DDQ用(yong)材比較(jiao),它的(de)(de)深沖性(xing)能相對(dui)稍(shao)(shao)差,它主(zhu)要用(yong)于不需(xu)伸(shen)拉就(jiu)能得到的(de)(de)制品,象一類餐具(ju)的(de)(de)勺(shao)、匙、叉、電器用(yong)具(ju)、鋼管用(yong)途等(deng)。但它與DDQ材相比有(you)一個優點,就(jiu)是(shi)BQ性(xing)相對(dui)較(jiao)好,這主(zhu)要是(shi)由于它的(de)(de)硬度(du)(du)稍(shao)(shao)高的(de)(de)緣故(gu)。

  不(bu)銹鋼薄板是一(yi)種價(jia)格不(bu)高的(de)材料,但是客戶對(dui)它(ta)的(de)表(biao)面(mian)(mian)質(zhi)量(liang)(liang)要(yao)求非常高。不(bu)銹薄板在生(sheng)產(chan)過程中(zhong)不(bu)可避免會出(chu)現(xian)(xian)各(ge)種缺(que)(que)陷(xian)(xian),如劃傷、麻(ma)點(dian)(dian)、沙孔(kong)、暗線、折痕、污(wu)染(ran)等(deng),從而其(qi)表(biao)面(mian)(mian)質(zhi)量(liang)(liang),象劃傷、折痕等(deng)這些缺(que)(que)陷(xian)(xian)是高級(ji)(ji)材不(bu)允許出(chu)現(xian)(xian)的(de),而麻(ma)點(dian)(dian)、沙孔(kong)這種缺(que)(que)陷(xian)(xian)在勺、匙(chi)、叉(cha)、制作時也是決不(bu)允許的(de),因為拋光時很難拋掉它(ta)。需要(yao)根據表(biao)面(mian)(mian)各(ge)種缺(que)(que)陷(xian)(xian)出(chu)現(xian)(xian)的(de)程度和頻率(lv),來(lai)確定其(qi)表(biao)質(zhi)量(liang)(liang)等(deng)級(ji)(ji),從而來(lai)確定產(chan)品等(deng)級(ji)(ji)。