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產(chan)品中心您現在的位置(zhi)：45#無縫鋼管

45#無縫鋼管

2021-12-01

45#無縫管屬鋼材中的一種材質。屬優質碳素結構鋼。大量的模具生產公司會用到，做模具鋼使用。45是指此種材質中碳的含量，大概在450左右。此種材質，相對于其他的優碳鋼，也較普遍。組成結構

45鋼，平均(jun)(jun)含碳量(liang)為(wei)0.42-0.50%,平均(jun)(jun)含硅量(liang)為(wei)0.17-0.37%,平均(jun)(jun)含錳量(liang)為(wei)0.50-0.80%,平均(jun)(jun)含硫(liu)量(liang)<=0.035%,平均(jun)(jun)含磷(lin)量(liang)<=0.035%,平均(jun)(jun)含鉻(ge)量(liang)<=0.25%,平均(jun)(jun)含鎳(nie)量(liang)<=0.2545鋼含碳0.45%左右.

化學成分
牌(pai)號	45#無(wu)縫管化學成分(fen)(質量分(fen)數)(%)
45	C	Si	Mn	Cr	Ni	Cu
	≤
	0.42-0.50	0.17-0.37	0.50-0.80	0.25	0.30	0.25

應用舉例

45#無(wu)縫(feng)管主要(yao)用于制造齒(chi)輪(lun)、齒(chi)條、鏈輪(lun)、軸、鍵、銷(xiao)、蒸汽(qi)透(tou)平機(ji)的葉輪(lun)、壓縮機(ji)泵的零件。%,

加工處理

推薦熱處理(li)溫度(du)：正(zheng)火850，淬火840，回火600. 45號鋼為優(you)質碳素(su)結(jie)構(gou)用鋼 ,硬度(du)不高(gao)易切削(xue)加工,模(mo)具(ju)中常用來(lai)做模(mo)板(ban),梢子(zi),導柱等,但須熱處理(li) 。

1. 45號鋼淬火后(hou)沒(mei)有回火之前(qian)，硬度大(da)于(yu)HRC55（最(zui)高(gao)可(ke)達HRC62）為(wei)合格。實際(ji)應(ying)用的最(zui)高(gao)硬度為(wei)HRC55（高(gao)頻淬火HRC58）。

2. 45號鋼(gang)不要(yao)(yao)采(cai)用(yong)滲碳(tan)淬(cui)火(huo)(huo)(huo)的(de)(de)熱處(chu)理(li)工(gong)(gong)藝(yi)。調質(zhi)(zhi)處(chu)理(li)后零(ling)件具有良(liang)好的(de)(de)綜合(he)機(ji)械(xie)性(xing)能(neng)，廣泛(fan)應用(yong)于各種(zhong)重要(yao)(yao)的(de)(de)結(jie)構零(ling)件，特(te)別是那些(xie)在交變負荷下工(gong)(gong)作(zuo)的(de)(de)連桿、螺(luo)栓、齒輪及軸(zhou)類等。但表(biao)(biao)(biao)面(mian)硬(ying)度(du)較低，不耐(nai)(nai)磨(mo)。可用(yong)調質(zhi)(zhi)+表(biao)(biao)(biao)面(mian)淬(cui)火(huo)(huo)(huo)提高(gao)零(ling)件表(biao)(biao)(biao)面(mian)硬(ying)度(du)。滲碳(tan)處(chu)理(li)一(yi)般用(yong)于表(biao)(biao)(biao)面(mian)耐(nai)(nai)磨(mo)、芯(xin)(xin)部(bu)耐(nai)(nai)沖(chong)擊(ji)的(de)(de)重載零(ling)件，其耐(nai)(nai)磨(mo)性(xing)比調質(zhi)(zhi)+表(biao)(biao)(biao)面(mian)淬(cui)火(huo)(huo)(huo)高(gao)。其表(biao)(biao)(biao)面(mian)含(han)(han)碳(tan)量(liang)0.8－－1.2%，芯(xin)(xin)部(bu)一(yi)般在0.1－－0.25%（特(te)殊情況(kuang)下采(cai)用(yong)0.35%）。經(jing)熱處(chu)理(li)后，表(biao)(biao)(biao)面(mian)可以(yi)獲得很高(gao)的(de)(de)硬(ying)度(du)（HRC58－－62），芯(xin)(xin)部(bu)硬(ying)度(du)低，耐(nai)(nai)沖(chong)擊(ji)。如果用(yong)45號鋼(gang)滲碳(tan)，淬(cui)火(huo)(huo)(huo)后芯(xin)(xin)部(bu)會(hui)出現硬(ying)脆的(de)(de)馬(ma)氏體，失去滲碳(tan)處(chu)理(li)的(de)(de)優(you)點。現在采(cai)用(yong)滲碳(tan)工(gong)(gong)藝(yi)的(de)(de)材料，含(han)(han)碳(tan)量(liang)都不高(gao)，到(dao)(dao)(dao)0.30%芯(xin)(xin)部(bu)強度(du)已(yi)經(jing)可以(yi)達到(dao)(dao)(dao)很高(gao)，應用(yong)上不多見。0.35%從來沒(mei)見過(guo)實例(li)，只在教科書里有介紹。可以(yi)采(cai)用(yong)調質(zhi)(zhi)+高(gao)頻表(biao)(biao)(biao)面(mian)淬(cui)火(huo)(huo)(huo)的(de)(de)工(gong)(gong)藝(yi)，耐(nai)(nai)磨(mo)性(xing)較滲碳(tan)略差。 GB/T699-1999標準規定(ding)的(de)(de)45鋼(gang)推(tui)薦熱處(chu)理(li)制度(du)為(wei)850℃正火(huo)(huo)(huo)、840℃淬(cui)火(huo)(huo)(huo)、600℃回火(huo)(huo)(huo)，達到(dao)(dao)(dao)的(de)(de)性(xing)能(neng)為(wei)屈服強度(du)≥355MPa ,GB/T699-1999標準規定(ding)45鋼(gang)抗(kang)拉強度(du)為(wei)600MPa，屈服強度(du)為(wei)355MPa，伸長率為(wei)16%，斷面(mian)收縮率為(wei)40%，沖(chong)擊(ji)功為(wei)39J

技術參數

推(tui)薦熱處(chu)理溫度

正火：850

淬火：840

回火：600

抗拉強(qiang)度：不(bu)小于(yu)600Mpa

屈服強度：不(bu)小于(yu)355Mpa

伸長(chang)率：10%

收縮率：40%

沖(chong)擊功：39J

鋼材(cai)交貨狀態硬度：不大于

未熱處理：229HBS

退(tui)火鋼：197HBS

產品型(xing)號 45# GB/8162

產(chan)品規格 φ:756MM;壁厚:100MM以下 133*30

鋼(gang)管重量計算公式

[(外徑(jing)-壁(bi)厚(hou))*壁(bi)厚(hou)]*0.02466=kg/米(每米的重量)

概述

軋制(zhi)無縫管(guan)(guan)的(de)原(yuan)料(liao)(liao)是圓(yuan)管(guan)(guan)坯(pi)，圓(yuan)管(guan)(guan)胚(pei)要經過切割(ge)(ge)機(ji)(ji)(ji)的(de)切割(ge)(ge)加(jia)工(gong)成(cheng)長(chang)度(du)約(yue)為1米的(de)坯(pi)料(liao)(liao)，并經傳(chuan)送(song)(song)帶送(song)(song)到(dao)熔爐內(nei)(nei)加(jia)熱。鋼(gang)(gang)(gang)(gang)坯(pi)被(bei)送(song)(song)入(ru)(ru)熔爐內(nei)(nei)加(jia)熱，溫度(du)大約(yue)為1200攝氏度(du)。燃料(liao)(liao)為氫氣或(huo)乙炔。爐內(nei)(nei)溫度(du)控制(zhi)是關鍵性的(de)問題.圓(yuan)管(guan)(guan)坯(pi)出爐后(hou)(hou)要經過壓(ya)力穿(chuan)孔(kong)(kong)機(ji)(ji)(ji)進行(xing)穿(chuan)空。一般較常見(jian)的(de)穿(chuan)孔(kong)(kong)機(ji)(ji)(ji)是錐形(xing)輥(gun)穿(chuan)孔(kong)(kong)機(ji)(ji)(ji)，這種穿(chuan)孔(kong)(kong)機(ji)(ji)(ji)生(sheng)產(chan)效率(lv)高，產(chan)品(pin)質量(liang)(liang)好(hao)，穿(chuan)孔(kong)(kong)擴徑(jing)(jing)量(liang)(liang)大，可穿(chuan)多種鋼(gang)(gang)(gang)(gang)種。穿(chuan)孔(kong)(kong)后(hou)(hou)，圓(yuan)管(guan)(guan)坯(pi)就先后(hou)(hou)被(bei)三(san)輥(gun)斜軋、連軋或(huo)擠壓(ya)。擠壓(ya)后(hou)(hou)要脫管(guan)(guan)定(ding)(ding)徑(jing)(jing)。定(ding)(ding)徑(jing)(jing)機(ji)(ji)(ji)通過錐形(xing)鉆頭高速(su)旋轉入(ru)(ru)鋼(gang)(gang)(gang)(gang)胚(pei)打孔(kong)(kong)，形(xing)成(cheng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)內(nei)(nei)徑(jing)(jing)由(you)定(ding)(ding)徑(jing)(jing)機(ji)(ji)(ji)鉆頭的(de)外(wai)徑(jing)(jing)長(chang)度(du)來確定(ding)(ding)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)經定(ding)(ding)徑(jing)(jing)后(hou)(hou)，進入(ru)(ru)冷(leng)卻(que)(que)塔中(zhong)，通過噴水冷(leng)卻(que)(que)，鋼(gang)(gang)(gang)(gang)管(guan)(guan)經冷(leng)卻(que)(que)后(hou)(hou)，就要被(bei)矯直(zhi)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)經矯直(zhi)后(hou)(hou)由(you)傳(chuan)送(song)(song)帶送(song)(song)至金屬探(tan)傷(shang)機(ji)(ji)(ji)（或(huo)水壓(ya)實驗）進行(xing)內(nei)(nei)部探(tan)傷(shang)。若鋼(gang)(gang)(gang)(gang)管(guan)(guan)內(nei)(nei)部有裂紋，氣泡等(deng)問題，將(jiang)被(bei)探(tan)測出。鋼(gang)(gang)(gang)(gang)管(guan)(guan)質檢后(hou)(hou)還要通過嚴格的(de)手工(gong)挑選。鋼(gang)(gang)(gang)(gang)管(guan)(guan)質檢后(hou)(hou)，用油漆噴上編號(hao)、規格、生(sheng)產(chan)批(pi)號(hao)等(deng)。并由(you)吊(diao)車吊(diao)入(ru)(ru)倉(cang)庫中(zhong)。

規格：無縫鋼管的規格用外徑*壁厚毫米數表示。

無縫管的分類

無縫鋼管分熱軋和冷軋（撥）無縫鋼管兩(liang)類。

熱軋無縫鋼管(guan)(guan)分一般鋼管(guan)(guan)，低、中壓鍋爐鋼管(guan)(guan)，高(gao)壓鍋爐鋼管(guan)(guan)、合金鋼管(guan)(guan)、不銹鋼管(guan)(guan)、石(shi)油(you)裂化管(guan)(guan)、地質(zhi)鋼管(guan)(guan)和其它鋼管(guan)(guan)等。

冷(leng)(leng)軋(ya)（撥(bo)）無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)除分(fen)一般(ban)(ban)鋼(gang)(gang)(gang)管(guan)、低中壓鍋(guo)爐鋼(gang)(gang)(gang)管(guan)、高(gao)壓鍋(guo)爐鋼(gang)(gang)(gang)管(guan)、合金鋼(gang)(gang)(gang)管(guan)、不(bu)銹鋼(gang)(gang)(gang)管(guan)、石油裂化管(guan)、其它鋼(gang)(gang)(gang)管(guan)外，還包(bao)括碳素薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)管(guan)、合金薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)管(guan)、不(bu)銹薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)管(guan)、異型鋼(gang)(gang)(gang)管(guan)。熱軋(ya)無縫(feng)(feng)管(guan)外徑(jing)一般(ban)(ban)大于(yu) 32mm，壁(bi)(bi)厚(hou)2.5-75mm，冷(leng)(leng)軋(ya)無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)處(chu)徑(jing)可以到(dao)(dao)6mm，壁(bi)(bi)厚(hou)可到(dao)(dao)0.25mm，薄(bo)壁(bi)(bi)管(guan)外徑(jing)可到(dao)(dao)5mm，壁(bi)(bi)厚(hou)小于(yu)0.25mm，冷(leng)(leng)軋(ya)比熱軋(ya)尺寸精度高(gao)。

一般用無(wu)(wu)縫(feng)鋼(gang)管：是用10、20、30、35、45等(deng)優質碳(tan)結(jie)鋼(gang)16Mn、5MnV等(deng)低(di)合(he)金結(jie)構鋼(gang)或(huo)40Cr、30CrMnSi、45Mn2、40MnB等(deng)合(he)金鋼(gang)熱(re)軋(ya)(ya)或(huo)冷軋(ya)(ya)制成的(de)。10、20等(deng)低(di)碳(tan)鋼(gang)制造的(de)無(wu)(wu)縫(feng)管主要(yao)(yao)用于流體(ti)輸送(song)管道。45、40Cr等(deng)中(zhong)碳(tan)鋼(gang)制成的(de)無(wu)(wu)縫(feng)管用來制造機(ji)械零件，如汽車、拖拉機(ji)的(de)受力零件。一般用無(wu)(wu)縫(feng)鋼(gang)管要(yao)(yao)保證(zheng)強度和壓扁試驗。熱(re)軋(ya)(ya)鋼(gang)管以熱(re)軋(ya)(ya)狀態(tai)或(huo)熱(re)處理狀態(tai)交貨(huo)(huo)；冷軋(ya)(ya)以熱(re)處理狀態(tai)交貨(huo)(huo)。

低(di)中(zhong)壓(ya)鍋爐用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)：用(yong)(yong)(yong)于制造(zao)各種低(di)中(zhong)壓(ya)鍋爐、過熱(re)(re)(re)蒸汽(qi)管(guan)(guan)(guan)、沸水管(guan)(guan)(guan)、水冷(leng)壁管(guan)(guan)(guan)及(ji)機車鍋爐用(yong)(yong)(yong)過熱(re)(re)(re)蒸汽(qi)管(guan)(guan)(guan)、大煙(yan)(yan)管(guan)(guan)(guan)、小煙(yan)(yan)管(guan)(guan)(guan)和(he)拱磚(zhuan)管(guan)(guan)(guan)等。用(yong)(yong)(yong)優質(zhi)碳素結構鋼(gang)熱(re)(re)(re)軋或冷(leng)軋（撥(bo)）無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)。主要用(yong)(yong)(yong)10、20號鋼(gang)制造(zao)，除保證化學成分(fen)和(he)機械性能外要做水壓(ya)試驗，卷(juan)邊、擴口、壓(ya)扁等試驗。熱(re)(re)(re)軋以熱(re)(re)(re)軋狀(zhuang)態交(jiao)貨、冷(leng)軋（撥(bo)）以熱(re)(re)(re)處理狀(zhuang)態交(jiao)貨。

高(gao)(gao)(gao)壓鍋(guo)(guo)(guo)爐鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)：主要(yao)用(yong)(yong)(yong)來制造高(gao)(gao)(gao)壓及其(qi)以上壓力的(de)蒸(zheng)汽鍋(guo)(guo)(guo)爐管(guan)(guan)(guan)道等用(yong)(yong)(yong)的(de)優(you)質(zhi)碳(tan)素(su)(su)結(jie)構鋼(gang)(gang)(gang)(gang)、合(he)金結(jie)構鋼(gang)(gang)(gang)(gang)和不銹(xiu)耐熱(re)鋼(gang)(gang)(gang)(gang)無縫鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、這(zhe)些(xie)鍋(guo)(guo)(guo)爐管(guan)(guan)(guan)經常(chang)(chang)處(chu)于高(gao)(gao)(gao)溫和高(gao)(gao)(gao)壓下工作、管(guan)(guan)(guan)子在高(gao)(gao)(gao)溫煙氣和水蒸(zheng)汽的(de)作用(yong)(yong)(yong)下還會發生氧(yang)化(hua)和腐蝕，因此(ci)要(yao)求鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)有高(gao)(gao)(gao)的(de)持久強(qiang)度、高(gao)(gao)(gao)的(de)抗氧(yang)化(hua)性(xing)(xing)能，并(bing)具有良好的(de)組織(zhi)(zhi)穩定(ding)性(xing)(xing)，采(cai)用(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)號(hao)有：優(you)質(zhi)碳(tan)素(su)(su)結(jie)構鋼(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)號(hao)有20G、20MnG、25MnG；合(he)金結(jie)構鋼(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)號(hao)15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有銹(xiu)耐熱(re)鋼(gang)(gang)(gang)(gang)常(chang)(chang)用(yong)(yong)(yong)1Cr18Ni9、1Cr18Ni11Nb高(gao)(gao)(gao)壓鍋(guo)(guo)(guo)爐管(guan)(guan)(guan)除保證化(hua)學成分(fen)和機械性(xing)(xing)能外，要(yao)逐根(gen)做水壓試驗，要(yao)作擴口、壓扁(bian)試驗。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)以熱(re)處(chu)理狀態交貨。此(ci)外，對成品鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)顯微組織(zhi)(zhi)、晶粒度、脫碳(tan)層(ceng)也(ye)有一定(ding)要(yao)求。

地(di)質(zhi)鉆(zhan)(zhan)探(tan)及石(shi)油鉆(zhan)(zhan)探(tan)用(yong)無縫鋼(gang)(gang)(gang)管(guan)(guan)(guan)：為(wei)探(tan)明地(di)下(xia)巖層(ceng)結構、地(di)下(xia)水、石(shi)油、天然氣(qi)及礦產資源情況，利用(yong)鉆(zhan)(zhan)機打井。石(shi)油、天然氣(qi)開采更離(li)不開打井，地(di)質(zhi)鉆(zhan)(zhan)探(tan)用(yong)石(shi)油鉆(zhan)(zhan)探(tan)用(yong)無縫鋼(gang)(gang)(gang)管(guan)(guan)(guan)是鉆(zhan)(zhan)井的主要(yao)(yao)器(qi)材，主要(yao)(yao)包括巖芯(xin)外管(guan)(guan)(guan)、巖芯(xin)內管(guan)(guan)(guan)、套管(guan)(guan)(guan)、鉆(zhan)(zhan)桿(gan)(gan)等。由于鉆(zhan)(zhan)探(tan)用(yong)管(guan)(guan)(guan)要(yao)(yao)深入到幾(ji)千米(mi)地(di)層(ceng)深度(du)工(gong)(gong)作(zuo)(zuo)，工(gong)(gong)作(zuo)(zuo)條件極(ji)為(wei)復雜，鉆(zhan)(zhan)桿(gan)(gan)承受拉、壓、彎曲、扭轉和不均衡(heng)沖擊載(zai)荷等應力作(zuo)(zuo)用(yong)，還(huan)要(yao)(yao)受到泥漿、巖石(shi)磨損，因此，要(yao)(yao)求(qiu)管(guan)(guan)(guan)材必須(xu)具有足夠(gou)的強度(du)、硬度(du)、耐磨性和沖擊韌性，鋼(gang)(gang)(gang)管(guan)(guan)(guan)用(yong)鋼(gang)(gang)(gang)用(yong)“DZ”（地(di)質(zhi)的漢語(yu)拼音字頭）加數字一代表鋼(gang)(gang)(gang)屈服點表示，常用(yong)的鋼(gang)(gang)(gang)號有DZ45的45MnB、50Mn；DZ50的40Mn2、40Mn2Si；DZ55的40Mn2Mo、40MnVB；DZ60的40MnMoB、DZ65的27MnMoVB。鋼(gang)(gang)(gang)管(guan)(guan)(guan)都以熱處(chu)理狀態(tai)交貨。

石油(you)裂(lie)化管(guan)(guan)(guan)：用(yong)(yong)(yong)于石油(you)煉廠(chang)的爐管(guan)(guan)(guan)、熱(re)(re)交換器管(guan)(guan)(guan)和(he)(he)管(guan)(guan)(guan)道(dao)用(yong)(yong)(yong)無縫管(guan)(guan)(guan)。常用(yong)(yong)(yong)優質(zhi)(zhi)碳(tan)素鋼(gang)(gang)（10、20）、合金鋼(gang)(gang)（12CrMo、15CrMo）、耐熱(re)(re)鋼(gang)(gang)（12Cr2Mo、15Cr5Mo）、不(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)（1Cr18Ni9、1Cr18Ni9Ti）制造。鋼(gang)(gang)管(guan)(guan)(guan)除(chu)得證(zheng)化學(xue)成分和(he)(he)各種(zhong)機械(xie)性能外，還要保(bao)證(zheng)水壓(ya)、壓(ya)扁、擴口等試驗，及表面質(zhi)(zhi)量和(he)(he)無損檢驗。鋼(gang)(gang)管(guan)(guan)(guan)在熱(re)(re)處理狀(zhuang)態下(xia)交貨。不(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)管(guan)(guan)(guan)：用(yong)(yong)(yong)各種(zhong)不(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)熱(re)(re)軋，冷軋的不(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)管(guan)(guan)(guan)，廣泛應(ying)用(yong)(yong)(yong)于石油(you)、化工設(she)備管(guan)(guan)(guan)道(dao)和(he)(he)各種(zhong)用(yong)(yong)(yong)途的不(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)結構(gou)零件(jian)，除(chu)應(ying)保(bao)證(zheng)化學(xue)成分和(he)(he)機械(xie)性能，凡用(yong)(yong)(yong)作承受(shou)流體壓(ya)力的鋼(gang)(gang)管(guan)(guan)(guan)要保(bao)證(zheng)水壓(ya)試驗合格。各種(zhong)專用(yong)(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)要按規定保(bao)證(zheng)條(tiao)件(jian)。

無縫管執行標準

1、結構用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB8162-2008 2、輸送流體用(yong)(yong)地縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB8163-20083、鍋(guo)(guo)爐用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB3087-2008 4、鍋(guo)(guo)爐用(yong)(yong)高(gao)壓(ya)無縫(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)：GB5310-2008（ST45.8-Ⅲ型(xing)） 5、化肥設(she)備用(yong)(yong)高(gao)壓(ya)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB6479-1999 6、地質鉆(zhan)(zhan)探用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：YB235-70 7、石油鉆(zhan)(zhan)探用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：YB528-65 8、石油裂化用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB9948-88 9、石油鉆(zhan)(zhan)鋌專(zhuan)用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)：YB691-70 10、汽車(che)半軸用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB3088-1999 11、船舶用(yong)(yong)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB5312-1999 12、冷(leng)拔冷(leng)軋精密(mi)無縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：GB3639-1999 13、各種合金管(guan)(guan)(guan)(guan)16Mn、27SiMn、15CrMo、35CrMo、12CrMov、20G、40Cr,12Cr1MoV,15CrMo

另外，還有GB/T17396-1998（液壓支柱用(yong)熱軋無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB3093-1986（柴油(you)機用(yong)高壓無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB/T3639-1983（冷(leng)拔(ba)或冷(leng)軋精密(mi)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB/T3094-1986（冷(leng)拔(ba)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)異形(xing)鋼(gang)(gang)管(guan)(guan)）、GB/T8713-1988（液壓和氣動筒(tong)用(yong)精密(mi)內徑(jing)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB13296-1991（鍋爐、熱交(jiao)換器用(yong)不(bu)銹(xiu)鋼(gang)(gang)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB/T14975-1994（結構用(yong)不(bu)銹(xiu)鋼(gang)(gang)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、GB/T14976-1994（流(liu)體輸(shu)送用(yong)不(bu)銹(xiu)鋼(gang)(gang)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）GB/T5035-1993（汽(qi)車半軸套(tao)管(guan)(guan)用(yong)無(wu)(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)(guan)）、API SPEC

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