45#鋼管批發
無(wu)錫興百(bai)優金屬制品有限公(gong)司 正(zheng)品銷售 45#鋼管 現貨(huo)供(gong)應(ying)
45#鋼管通常適用無縫鋼管的材質，無縫鋼管又分為GB8162、GB8163這兩個(ge)常用的，但45#鋼只有(you)GB8162才有(you)，45#是機械加工的一種常用材(cai)質。
45#鋼(gang)管(guan)(GB/T14975-2002)是廣泛用(yong)于化工、石油、輕紡、醫療(liao)、食品、機械等工業的耐腐蝕管(guan)道和結構件及零件的不銹鋼(gang)制成(cheng)的熱軋(擠、擴)和冷拔(軋)。
熱處理推(tui)薦熱處理溫度：正火(huo)850，淬火(huo)840，回火(huo)600.
45號鋼為(wei)(wei) 優質碳(tan)(tan)(tan)素結(jie)構用(yong)(yong)(yong)(yong)鋼 ,硬(ying)(ying)度(du)(du)不(bu)高(gao)易切削加(jia)工(gong),模具中(zhong)常用(yong)(yong)(yong)(yong)來做模板,梢(shao)子,導柱等,但須熱(re)(re)處(chu)(chu)(chu)理 。 1. 45號鋼淬(cui)(cui)火(huo)(huo)(huo)后沒(mei)有(you)回火(huo)(huo)(huo)之(zhi)前，硬(ying)(ying)度(du)(du)大于HRC55(最高(gao)可達(da)HRC62)為(wei)(wei)合(he)格。 實際(ji)應用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)最高(gao)硬(ying)(ying)度(du)(du)為(wei)(wei)HRC55(高(gao)頻(pin)淬(cui)(cui)火(huo)(huo)(huo)HRC58)。 2. 45號鋼不(bu)要采用(yong)(yong)(yong)(yong)滲(shen)(shen)碳(tan)(tan)(tan)淬(cui)(cui)火(huo)(huo)(huo)的(de)(de)(de)(de)(de)(de)熱(re)(re)處(chu)(chu)(chu)理工(gong)藝(yi)。 調(diao)(diao)質處(chu)(chu)(chu)理后零(ling)件(jian)具有(you)良好(hao)的(de)(de)(de)(de)(de)(de)綜合(he)機(ji)械性(xing)(xing)能，廣泛應用(yong)(yong)(yong)(yong)于各(ge)種重(zhong)要的(de)(de)(de)(de)(de)(de)結(jie)構零(ling)件(jian)，特別是那些在(zai)交變負(fu)荷(he)下工(gong)作(zuo)的(de)(de)(de)(de)(de)(de)連(lian)桿、螺栓(shuan)、齒(chi)輪及軸(zhou)類等。但表(biao)面(mian)(mian)(mian)硬(ying)(ying)度(du)(du)較低，不(bu)耐(nai)(nai)磨。可用(yong)(yong)(yong)(yong)調(diao)(diao)質+表(biao)面(mian)(mian)(mian)淬(cui)(cui)火(huo)(huo)(huo)提高(gao)零(ling)件(jian)表(biao)面(mian)(mian)(mian)硬(ying)(ying)度(du)(du)。 滲(shen)(shen)碳(tan)(tan)(tan)處(chu)(chu)(chu)理一般用(yong)(yong)(yong)(yong)于表(biao)面(mian)(mian)(mian)耐(nai)(nai)磨、芯(xin)(xin)部耐(nai)(nai)沖(chong)(chong)擊的(de)(de)(de)(de)(de)(de)重(zhong)載零(ling)件(jian)，其耐(nai)(nai)磨性(xing)(xing)比調(diao)(diao)質+表(biao)面(mian)(mian)(mian)淬(cui)(cui)火(huo)(huo)(huo)高(gao)。其表(biao)面(mian)(mian)(mian)含(han)(han)碳(tan)(tan)(tan)量0.8--1.2%，芯(xin)(xin)部一般在(zai)0.1--0.25%(特殊情況下采用(yong)(yong)(yong)(yong)0.35%)。經熱(re)(re)處(chu)(chu)(chu)理后，表(biao)面(mian)(mian)(mian)可以(yi)獲得(de)很(hen)高(gao)的(de)(de)(de)(de)(de)(de)硬(ying)(ying)度(du)(du)(HRC58--62)，芯(xin)(xin)部硬(ying)(ying)度(du)(du)低，耐(nai)(nai)沖(chong)(chong)擊。 如果用(yong)(yong)(yong)(yong)45號鋼滲(shen)(shen)碳(tan)(tan)(tan)，淬(cui)(cui)火(huo)(huo)(huo)后芯(xin)(xin)部會出現(xian)硬(ying)(ying)脆的(de)(de)(de)(de)(de)(de)馬(ma)氏體，失(shi)去滲(shen)(shen)碳(tan)(tan)(tan)處(chu)(chu)(chu)理的(de)(de)(de)(de)(de)(de)優點(dian)。現(xian)在(zai)采用(yong)(yong)(yong)(yong)滲(shen)(shen)碳(tan)(tan)(tan)工(gong)藝(yi)的(de)(de)(de)(de)(de)(de)材料(liao)，含(han)(han)碳(tan)(tan)(tan)量都(dou)不(bu)高(gao)，到0.30%芯(xin)(xin)部強度(du)(du)已經可以(yi)達(da)到很(hen)高(gao)，應用(yong)(yong)(yong)(yong)上(shang)不(bu)多(duo)見。0.35%從(cong)來沒(mei)見過實例，只在(zai)教科書里有(you)介紹(shao)。可以(yi)采用(yong)(yong)(yong)(yong)調(diao)(diao)質+高(gao)頻(pin)表(biao)面(mian)(mian)(mian)淬(cui)(cui)火(huo)(huo)(huo)的(de)(de)(de)(de)(de)(de)工(gong)藝(yi)，耐(nai)(nai)磨性(xing)(xing)較滲(shen)(shen)碳(tan)(tan)(tan)略(lve)差。 GB/T699-1999標準(zhun)規定的(de)(de)(de)(de)(de)(de)45鋼推(tui)薦熱(re)(re)處(chu)(chu)(chu)理制度(du)(du)為(wei)(wei)850℃正火(huo)(huo)(huo)、840℃淬(cui)(cui)火(huo)(huo)(huo)、600℃回火(huo)(huo)(huo)，達(da)到的(de)(de)(de)(de)(de)(de)性(xing)(xing)能為(wei)(wei)屈服強度(du)(du)≥355MPa GB/T699-1999標準(zhun)規定45鋼抗拉(la)強度(du)(du)為(wei)(wei)600MPa，屈服強度(du)(du)為(wei)(wei)355MPa，伸(shen)長率(lv)(lv)為(wei)(wei)16%，斷面(mian)(mian)(mian)收縮率(lv)(lv)為(wei)(wei)40%，沖(chong)(chong)擊功(gong)為(wei)(wei)39J
無錫興百(bai)優金屬公司的經(jing)營理念：“同樣的產品比質量(liang)、同樣的質量(liang)比價格(ge)、同樣的價格(ge)比服(fu)務、 同樣的服(fu)務比信譽”。
本公司不僅自身生產無縫鋼管還于成都鋼鐵集團，湖北新冶鋼集團，包頭無縫鋼管廠，天津(jin)無(wu)縫鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)集團，廣州聯眾、長城特(te)鋼(gang)(gang)(gang)(gang)(gang)(gang)、華新(xin)麗華、久立(li)特(te)鋼(gang)(gang)(gang)(gang)(gang)(gang)、溫州寶豐、山西太鋼(gang)(gang)(gang)(gang)(gang)(gang)、上海寶鋼(gang)(gang)(gang)(gang)(gang)(gang)、建(jian)立(li)長期業(ye)務往來，常年銷售(shou)規(gui)格范圍∮4mm-1220mm×1mm-120mm的無(wu)縫鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)、不(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)、不(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)板(ban)、不(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)棒材、不(bu)(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)(gang)(gang)方矩管(guan)(guan)、板(ban)材、輸(shu)送流(liu)體管(guan)(guan)、高、中低壓鍋爐管(guan)(guan)、石油裂化管(guan)(guan)、化肥(fei)專用管(guan)(guan)、船(chuan)舶用管(guan)(guan)及國(guo)產進口合金管(guan)(guan)等。
無錫(xi)興百優金屬制品(pin)有限(xian)公司 生(sheng)產銷售(shou) 45#鋼管 規(gui)格(ge)齊全 價格(ge)優惠(hui) 歡迎(ying)選購!
