本公司已通過ISO9001:2000國際質量體係認證,在產品質量上全麵貫徹ISO9001:2000biaozhun,pingjiexianjindeshengchanshebei,xionghoudejishuliliang,wogongsichanpinzaishichangshangdexiaolianglianchuangxingao,geigongsidailailelianghaodejingjixiaoyi,weiwangluohuayingxiaodaxialelianghaodejichu。luoxuangangguanhezhifenggangguandoushuyuhanjiegangguanxilie,yingyongshuliangdoushifeichangda,danshizaijiagefangmianluoxuangangguanyaobizhifenggangguanjuyougengdadeyoushi。muqianshichangshangzhuliudeluoxuangangguanjiagezai2000元/噸左右,同等規格的直縫鋼管價格在2400元/噸(dun)左(zuo)右(you)。可(ke)以(yi)說(shuo)螺(luo)旋(xuan)鋼(gang)管(guan)的(de)價(jia)格(ge)更(geng)低(di)一(yi)些(xie),在(zai)工(gong)程(cheng)中(zhong)具(ju)體(ti)應(ying)用(yong)什(shen)麼(me)樣(yang)的(de)規(gui)格(ge),這(zhe)主(zhu)要(yao)取(qu)決(jue)於(yu)設(she)計(ji)的(de)要(yao)求(qiu),下(xia)麵(mian)我(wo)們(men)就(jiu)對(dui)於(yu)螺(luo)旋(xuan)鋼(gang)管(guan)和(he)直(zhi)縫(feng)鋼(gang)管(guan)做(zuo)一(yi)下(xia)對(dui)比(bi)。以(yi)上(shang)兩(liang)個(ge)產(chan)品(pin)左(zuo)側(ce)為(wei)螺(luo)旋(xuan)鋼(gang)管(guan),右(you)側(ce)為(wei)直(zhi)縫(feng)鋼(gang)管(guan),螺(luo)旋(xuan)鋼(gang)管(guan)的(de)焊(han)縫(feng)是(shi)螺(luo)旋(xuan)形(xing)狀(zhuang),直(zhi)縫(feng)鋼(gang)管(guan)的(de)焊(han)縫(feng)是(shi)一(yi)條(tiao)直(zhi)線(xian)。直(zhi)縫(feng)鋼(gang)管(guan)是(shi)將(jiang)熱(re)軋(zha)卷(juan)板(ban)經(jing)過(guo)成(cheng)型(xing)機(ji)成(cheng)型(xing)後(hou),利(li)用(yong)高(gao)頻(pin)電(dian)流(liu)的(de)集(ji)膚(fu)效(xiao)應(ying)和(he)鄰(lin)近(jin)效(xiao)應(ying)使(shi)管(guan)坯(pi)邊(bian)緣(yuan)加(jia)熱(re)熔(rong)化(hua),在(zai)擠(ji)壓(ya)輥(gun)的(de)作(zuo)用(yong)下(xia)進(jin)行(xing)壓(ya)力(li)焊(han)接(jie)來(lai)實(shi)現(xian)生(sheng)產(chan)鋼(gang)管(guan)。螺(luo)旋(xuan)鋼(gang)管(guan)是(shi)以(yi)帶(dai)鋼(gang)卷(juan)板(ban)為(wei)原(yuan)材(cai)料(liao),經常溫擠壓成型,以自動雙絲雙麵埋弧焊工藝焊接而成的螺旋縫鋼管。聯係電話:胡經理
螺luo旋xuan焊han管guan的de強qiang度du一yi般ban比bi直zhi縫feng焊han管guan高gao,能neng用yong較jiao窄zhai的de坯pi料liao生sheng產chan管guan徑jing較jiao大da的de焊han管guan,還hai可ke以yi用yong同tong樣yang寬kuan度du的de坯pi料liao生sheng產chan管guan徑jing不bu同tong的de焊han管guan。螺luo旋xuan埋mai弧hu焊han管guan焊han縫feng呈cheng螺luo旋xuan線xian分fen布bu,焊han縫feng長chang,尤you其qi是shi處chu於yu動dong態tai條tiao件jian下xia焊han接jie時shi,焊han縫feng還hai來lai不bu及ji冷leng卻que就jiu離li開kai了le成cheng型xing點dian,極ji易yi產chan生sheng焊han接jie熱re裂lie紋wen。裂lie紋wen的de方fang向xiang和he焊han縫feng平ping行xing,和he鋼gang管guan軸zhou線xian成cheng一yi定ding夾jia角jiao,一yi般ban在zai30-70°之間。這個角度剛好與剪切破壞角度相一致,因此其抗彎、抗拉、抗(kang)壓(ya)和(he)抗(kang)扭(niu)性(xing)能(neng)遠(yuan)不(bu)如(ru)直(zhi)縫(feng)埋(mai)弧(hu)焊(han)管(guan),同(tong)時(shi)由(you)於(yu)焊(han)接(jie)位(wei)置(zhi)限(xian)製(zhi),產(chan)生(sheng)的(de)馬(ma)鞍(an)形(xing)和(he)魚(yu)脊(ji)形(xing)焊(han)縫(feng)影(ying)響(xiang)美(mei)觀(guan)。另(ling)外(wai),施(shi)工(gong)過(guo)程(cheng)中(zhong),螺(luo)旋(xuan)焊(han)母(mu)管(guan)節(jie)點(dian)處(chu)的(de)相(xiang)貫(guan)線(xian)焊(han)縫(feng)割(ge)裂(lie)了(le)螺(luo)旋(xuan)縫(feng),產(chan)生(sheng)較(jiao)大(da)的(de)焊(han)接(jie)應(ying)力(li),因(yin)而(er)大(da)大(da)削(xue)弱(ruo)構(gou)件(jian)的(de)安(an)全(quan)性(xing)能(neng),因(yin)此(ci)應(ying)加(jia)強(qiang)螺(luo)旋(xuan)焊(han)管(guan)焊(han)縫(feng)的(de)無(wu)損(sun)檢(jian)測(ce)力(li)度(du),確(que)保(bao)焊(han)接(jie)質(zhi)量(liang),否(fou)則(ze)在(zai)重(zhong)要(yao)的(de)鋼(gang)結(jie)構(gou)場(chang)合(he)不(bu)宜(yi)使(shi)用(yong)螺(luo)旋(xuan)埋(mai)弧(hu)焊(han)管(guan)。聯(lian)係(xi)電(dian)話(hua):胡經理

