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產品中心(xin)您現在的(de)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(ping)均(jun)(jun)含(han)碳量(liang)為0.42-0.50%,平(ping)均(jun)(jun)含(han)硅量(liang)為0.17-0.37%,平(ping)均(jun)(jun)含(han)錳量(liang)為0.50-0.80%,平(ping)均(jun)(jun)含(han)硫量(liang)<=0.035%,平(ping)均(jun)(jun)含(han)磷量(liang)<=0.035%,平(ping)均(jun)(jun)含(han)鉻(ge)量(liang)<=0.25%,平(ping)均(jun)(jun)含(han)鎳量(liang)<=0.2545鋼含(han)碳0.45%左右.

化學成分
牌號	45#無縫管化學成分(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)縫管(guan)主要用(yong)于制造齒(chi)輪、齒(chi)條、鏈(lian)輪、軸、鍵(jian)、銷、蒸汽透(tou)平(ping)機的葉(xie)輪、壓縮機泵的零件。%,

加工處理

推薦(jian)熱(re)處理溫度：正火850，淬(cui)火840，回火600. 45號鋼(gang)為優(you)質碳素結構用(yong)鋼(gang) ,硬度不高易切削加工,模具(ju)中(zhong)常用(yong)來做(zuo)模板(ban),梢子(zi),導柱等,但(dan)須熱(re)處理。

1. 45號鋼淬火后沒有(you)回火之前，硬度(du)大于HRC55（最(zui)高(gao)可達HRC62）為合格(ge)。實際應用的最(zui)高(gao)硬度(du)為HRC55（高(gao)頻(pin)淬火HRC58）。

2. 45號(hao)鋼(gang)不(bu)要采用(yong)(yong)(yong)(yong)滲(shen)碳(tan)(tan)淬(cui)(cui)火(huo)的(de)(de)(de)(de)(de)熱(re)處理(li)(li)(li)工藝。調(diao)質(zhi)處理(li)(li)(li)后零件(jian)具有(you)良(liang)好(hao)的(de)(de)(de)(de)(de)綜合機械性(xing)能(neng)，廣泛(fan)應(ying)用(yong)(yong)(yong)(yong)于各種重要的(de)(de)(de)(de)(de)結構(gou)零件(jian)，特(te)別是那些在(zai)交變(bian)負荷下(xia)工作的(de)(de)(de)(de)(de)連(lian)桿、螺栓(shuan)、齒輪及(ji)軸類等。但表面(mian)(mian)硬(ying)度(du)較低，不(bu)耐(nai)磨(mo)。可(ke)用(yong)(yong)(yong)(yong)調(diao)質(zhi)+表面(mian)(mian)淬(cui)(cui)火(huo)提高(gao)(gao)零件(jian)表面(mian)(mian)硬(ying)度(du)。滲(shen)碳(tan)(tan)處理(li)(li)(li)一般用(yong)(yong)(yong)(yong)于表面(mian)(mian)耐(nai)磨(mo)、芯部(bu)(bu)耐(nai)沖(chong)擊的(de)(de)(de)(de)(de)重載(zai)零件(jian)，其(qi)耐(nai)磨(mo)性(xing)比調(diao)質(zhi)+表面(mian)(mian)淬(cui)(cui)火(huo)高(gao)(gao)。其(qi)表面(mian)(mian)含碳(tan)(tan)量0.8－－1.2%，芯部(bu)(bu)一般在(zai)0.1－－0.25%（特(te)殊情況下(xia)采用(yong)(yong)(yong)(yong)0.35%）。經熱(re)處理(li)(li)(li)后，表面(mian)(mian)可(ke)以(yi)(yi)獲(huo)得很高(gao)(gao)的(de)(de)(de)(de)(de)硬(ying)度(du)（HRC58－－62），芯部(bu)(bu)硬(ying)度(du)低，耐(nai)沖(chong)擊。如(ru)果用(yong)(yong)(yong)(yong)45號(hao)鋼(gang)滲(shen)碳(tan)(tan)，淬(cui)(cui)火(huo)后芯部(bu)(bu)會(hui)出現(xian)硬(ying)脆(cui)的(de)(de)(de)(de)(de)馬氏體，失去滲(shen)碳(tan)(tan)處理(li)(li)(li)的(de)(de)(de)(de)(de)優點。現(xian)在(zai)采用(yong)(yong)(yong)(yong)滲(shen)碳(tan)(tan)工藝的(de)(de)(de)(de)(de)材料(liao)，含碳(tan)(tan)量都不(bu)高(gao)(gao)，到0.30%芯部(bu)(bu)強(qiang)度(du)已(yi)經可(ke)以(yi)(yi)達到很高(gao)(gao)，應(ying)用(yong)(yong)(yong)(yong)上不(bu)多見。0.35%從來沒見過實例，只在(zai)教科書里有(you)介(jie)紹。可(ke)以(yi)(yi)采用(yong)(yong)(yong)(yong)調(diao)質(zhi)+高(gao)(gao)頻表面(mian)(mian)淬(cui)(cui)火(huo)的(de)(de)(de)(de)(de)工藝，耐(nai)磨(mo)性(xing)較滲(shen)碳(tan)(tan)略差。 GB/T699-1999標準規定的(de)(de)(de)(de)(de)45鋼(gang)推薦(jian)熱(re)處理(li)(li)(li)制(zhi)度(du)為(wei)(wei)850℃正火(huo)、840℃淬(cui)(cui)火(huo)、600℃回火(huo)，達到的(de)(de)(de)(de)(de)性(xing)能(neng)為(wei)(wei)屈服(fu)強(qiang)度(du)≥355MPa ,GB/T699-1999標準規定45鋼(gang)抗拉強(qiang)度(du)為(wei)(wei)600MPa，屈服(fu)強(qiang)度(du)為(wei)(wei)355MPa，伸長率(lv)為(wei)(wei)16%，斷面(mian)(mian)收縮率(lv)為(wei)(wei)40%，沖(chong)擊功為(wei)(wei)39J

技術參數

推薦熱(re)處理(li)溫度(du)

正火：850

淬火：840

回(hui)火：600

抗拉強度：不(bu)小于600Mpa

屈服強(qiang)度：不小于355Mpa

伸長率：10%

收縮(suo)率(lv)：40%

沖擊功：39J

鋼材交貨狀(zhuang)態硬度：不大于

未熱(re)處理(li)：229HBS

退火鋼：197HBS

產品型號 45# GB/8162

產品規(gui)格 φ:756MM;壁厚:100MM以下 133*30

鋼(gang)管重量計(ji)算公式(shi)

[(外徑-壁厚)*壁厚]*0.02466=kg/米(每米的重(zhong)量)

概述

軋制(zhi)無縫(feng)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)原(yuan)料是(shi)圓管(guan)(guan)(guan)(guan)(guan)坯，圓管(guan)(guan)(guan)(guan)(guan)胚要經(jing)(jing)(jing)過(guo)切(qie)割(ge)機(ji)(ji)的(de)(de)(de)切(qie)割(ge)加工(gong)成(cheng)長(chang)度(du)約為(wei)(wei)1米的(de)(de)(de)坯料，并經(jing)(jing)(jing)傳送(song)帶(dai)送(song)到熔爐(lu)內(nei)(nei)(nei)(nei)加熱(re)。鋼(gang)(gang)坯被送(song)入(ru)熔爐(lu)內(nei)(nei)(nei)(nei)加熱(re)，溫度(du)大約為(wei)(wei)1200攝氏度(du)。燃(ran)料為(wei)(wei)氫(qing)氣(qi)(qi)或乙炔(gui)。爐(lu)內(nei)(nei)(nei)(nei)溫度(du)控制(zhi)是(shi)關鍵性的(de)(de)(de)問題.圓管(guan)(guan)(guan)(guan)(guan)坯出(chu)爐(lu)后(hou)要經(jing)(jing)(jing)過(guo)壓(ya)(ya)力穿(chuan)孔(kong)機(ji)(ji)進(jin)(jin)行(xing)穿(chuan)空(kong)。一般(ban)較常(chang)見的(de)(de)(de)穿(chuan)孔(kong)機(ji)(ji)是(shi)錐形(xing)(xing)輥穿(chuan)孔(kong)機(ji)(ji)，這種(zhong)穿(chuan)孔(kong)機(ji)(ji)生產效率高(gao)，產品質量(liang)好，穿(chuan)孔(kong)擴徑(jing)(jing)量(liang)大，可穿(chuan)多種(zhong)鋼(gang)(gang)種(zhong)。穿(chuan)孔(kong)后(hou)，圓管(guan)(guan)(guan)(guan)(guan)坯就先(xian)后(hou)被三輥斜軋、連軋或擠(ji)壓(ya)(ya)。擠(ji)壓(ya)(ya)后(hou)要脫管(guan)(guan)(guan)(guan)(guan)定(ding)徑(jing)(jing)。定(ding)徑(jing)(jing)機(ji)(ji)通(tong)過(guo)錐形(xing)(xing)鉆頭(tou)高(gao)速旋轉入(ru)鋼(gang)(gang)胚打孔(kong)，形(xing)(xing)成(cheng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)徑(jing)(jing)由(you)定(ding)徑(jing)(jing)機(ji)(ji)鉆頭(tou)的(de)(de)(de)外徑(jing)(jing)長(chang)度(du)來確定(ding)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)經(jing)(jing)(jing)定(ding)徑(jing)(jing)后(hou)，進(jin)(jin)入(ru)冷(leng)卻(que)塔(ta)中，通(tong)過(guo)噴水冷(leng)卻(que)，鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)經(jing)(jing)(jing)冷(leng)卻(que)后(hou)，就要被矯直。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)經(jing)(jing)(jing)矯直后(hou)由(you)傳送(song)帶(dai)送(song)至金(jin)屬探(tan)傷機(ji)(ji)（或水壓(ya)(ya)實驗(yan)）進(jin)(jin)行(xing)內(nei)(nei)(nei)(nei)部探(tan)傷。若鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)部有裂(lie)紋，氣(qi)(qi)泡等(deng)問題，將被探(tan)測出(chu)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)質檢(jian)后(hou)還要通(tong)過(guo)嚴(yan)格(ge)的(de)(de)(de)手工(gong)挑(tiao)選。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)質檢(jian)后(hou)，用(yong)油漆噴上編號、規格(ge)、生產批號等(deng)。并由(you)吊車吊入(ru)倉(cang)庫中。

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(wu)縫鋼管分熱軋和冷軋（撥）無(wu)縫鋼管兩類。

熱軋無縫鋼管(guan)(guan)分一般(ban)鋼管(guan)(guan)，低、中壓鍋爐(lu)鋼管(guan)(guan)，高壓鍋爐(lu)鋼管(guan)(guan)、合金鋼管(guan)(guan)、不銹鋼管(guan)(guan)、石油裂化管(guan)(guan)、地(di)質鋼管(guan)(guan)和其它鋼管(guan)(guan)等(deng)。

冷軋(ya)（撥(bo)）無(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)除分一(yi)(yi)般鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、低中壓(ya)鍋爐鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、高(gao)壓(ya)鍋爐鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、合金(jin)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、石油裂化管(guan)(guan)(guan)(guan)(guan)、其(qi)它(ta)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)外，還包括碳素薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、合金(jin)薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、不(bu)銹薄(bo)壁(bi)(bi)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、異(yi)型鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。熱軋(ya)無(wu)縫(feng)管(guan)(guan)(guan)(guan)(guan)外徑(jing)一(yi)(yi)般大于(yu) 32mm，壁(bi)(bi)厚(hou)2.5-75mm，冷軋(ya)無(wu)縫(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)處徑(jing)可(ke)以到(dao)6mm，壁(bi)(bi)厚(hou)可(ke)到(dao)0.25mm，薄(bo)壁(bi)(bi)管(guan)(guan)(guan)(guan)(guan)外徑(jing)可(ke)到(dao)5mm，壁(bi)(bi)厚(hou)小于(yu)0.25mm，冷軋(ya)比熱軋(ya)尺(chi)寸精度高(gao)。

一般(ban)用無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)：是(shi)用10、20、30、35、45等(deng)(deng)(deng)優質碳(tan)結(jie)鋼(gang)(gang)(gang)16Mn、5MnV等(deng)(deng)(deng)低(di)合金(jin)結(jie)構(gou)鋼(gang)(gang)(gang)或(huo)40Cr、30CrMnSi、45Mn2、40MnB等(deng)(deng)(deng)合金(jin)鋼(gang)(gang)(gang)熱(re)(re)軋或(huo)冷(leng)軋制成的(de)。10、20等(deng)(deng)(deng)低(di)碳(tan)鋼(gang)(gang)(gang)制造的(de)無縫(feng)(feng)管(guan)主要用于流(liu)體輸送管(guan)道。45、40Cr等(deng)(deng)(deng)中碳(tan)鋼(gang)(gang)(gang)制成的(de)無縫(feng)(feng)管(guan)用來制造機械零件，如汽車(che)、拖拉機的(de)受力零件。一般(ban)用無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)要保證強(qiang)度(du)和壓扁(bian)試驗。熱(re)(re)軋鋼(gang)(gang)(gang)管(guan)以(yi)熱(re)(re)軋狀態或(huo)熱(re)(re)處(chu)理(li)狀態交貨；冷(leng)軋以(yi)熱(re)(re)處(chu)理(li)狀態交貨。

低中(zhong)壓鍋爐(lu)用(yong)無縫(feng)鋼(gang)管(guan)(guan)(guan)：用(yong)于制造各種低中(zhong)壓鍋爐(lu)、過熱(re)蒸(zheng)汽管(guan)(guan)(guan)、沸水管(guan)(guan)(guan)、水冷壁管(guan)(guan)(guan)及機車鍋爐(lu)用(yong)過熱(re)蒸(zheng)汽管(guan)(guan)(guan)、大煙管(guan)(guan)(guan)、小煙管(guan)(guan)(guan)和拱磚(zhuan)管(guan)(guan)(guan)等。用(yong)優質碳素結構鋼(gang)熱(re)軋(ya)或冷軋(ya)（撥(bo)(bo)）無縫(feng)鋼(gang)管(guan)(guan)(guan)。主要用(yong)10、20號鋼(gang)制造，除(chu)保證化學成分和機械性能外要做水壓試驗，卷(juan)邊、擴(kuo)口、壓扁等試驗。熱(re)軋(ya)以熱(re)軋(ya)狀態交(jiao)貨(huo)、冷軋(ya)（撥(bo)(bo)）以熱(re)處理狀態交(jiao)貨(huo)。

高(gao)壓(ya)(ya)(ya)鍋(guo)爐(lu)(lu)(lu)鋼(gang)(gang)管(guan)(guan)(guan)：主要(yao)(yao)用(yong)來制(zhi)造高(gao)壓(ya)(ya)(ya)及其以上(shang)壓(ya)(ya)(ya)力(li)的(de)(de)蒸汽(qi)鍋(guo)爐(lu)(lu)(lu)管(guan)(guan)(guan)道等(deng)用(yong)的(de)(de)優(you)質碳(tan)素結(jie)構鋼(gang)(gang)、合(he)金結(jie)構鋼(gang)(gang)和(he)不銹耐熱(re)鋼(gang)(gang)無縫鋼(gang)(gang)管(guan)(guan)(guan)、這些鍋(guo)爐(lu)(lu)(lu)管(guan)(guan)(guan)經(jing)常處于高(gao)溫和(he)高(gao)壓(ya)(ya)(ya)下工(gong)作、管(guan)(guan)(guan)子在高(gao)溫煙(yan)氣和(he)水蒸汽(qi)的(de)(de)作用(yong)下還(huan)會(hui)發生氧化和(he)腐蝕，因(yin)此(ci)要(yao)(yao)求鋼(gang)(gang)管(guan)(guan)(guan)有(you)高(gao)的(de)(de)持久強(qiang)度(du)、高(gao)的(de)(de)抗氧化性能，并(bing)具(ju)有(you)良好的(de)(de)組(zu)織(zhi)穩定性，采用(yong)鋼(gang)(gang)號有(you)：優(you)質碳(tan)素結(jie)構鋼(gang)(gang)鋼(gang)(gang)號有(you)20G、20MnG、25MnG；合(he)金結(jie)構鋼(gang)(gang)鋼(gang)(gang)號15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等(deng)；有(you)銹耐熱(re)鋼(gang)(gang)常用(yong)1Cr18Ni9、1Cr18Ni11Nb高(gao)壓(ya)(ya)(ya)鍋(guo)爐(lu)(lu)(lu)管(guan)(guan)(guan)除保證(zheng)化學(xue)成分(fen)和(he)機(ji)械性能外，要(yao)(yao)逐(zhu)根做水壓(ya)(ya)(ya)試驗(yan)，要(yao)(yao)作擴口、壓(ya)(ya)(ya)扁試驗(yan)。鋼(gang)(gang)管(guan)(guan)(guan)以熱(re)處理狀態交貨。此(ci)外，對(dui)成品(pin)鋼(gang)(gang)管(guan)(guan)(guan)顯微組(zu)織(zhi)、晶(jing)粒度(du)、脫(tuo)碳(tan)層也有(you)一定要(yao)(yao)求。

地(di)質(zhi)鉆(zhan)探及石油鉆(zhan)探用(yong)(yong)無(wu)縫(feng)鋼(gang)管(guan)：為探明(ming)地(di)下巖層結構、地(di)下水、石油、天然氣及礦產資源情況，利用(yong)(yong)鉆(zhan)機(ji)打井。石油、天然氣開采更離(li)不開打井，地(di)質(zhi)鉆(zhan)探用(yong)(yong)石油鉆(zhan)探用(yong)(yong)無(wu)縫(feng)鋼(gang)管(guan)是鉆(zhan)井的(de)(de)主要器材，主要包括(kuo)巖芯(xin)外管(guan)、巖芯(xin)內(nei)管(guan)、套管(guan)、鉆(zhan)桿等。由(you)于鉆(zhan)探用(yong)(yong)管(guan)要深入到(dao)幾(ji)千米地(di)層深度工作，工作條(tiao)件極為復雜，鉆(zhan)桿承受拉(la)、壓、彎曲、扭轉和不均衡沖擊載荷等應力作用(yong)(yong)，還要受到(dao)泥漿(jiang)、巖石磨(mo)損，因此，要求管(guan)材必須(xu)具有足(zu)夠的(de)(de)強度、硬度、耐磨(mo)性和沖擊韌(ren)性，鋼(gang)管(guan)用(yong)(yong)鋼(gang)用(yong)(yong)“DZ”（地(di)質(zhi)的(de)(de)漢語拼音字頭）加數(shu)字一代表鋼(gang)屈服點(dian)表示，常用(yong)(yong)的(de)(de)鋼(gang)號有DZ45的(de)(de)45MnB、50Mn；DZ50的(de)(de)40Mn2、40Mn2Si；DZ55的(de)(de)40Mn2Mo、40MnVB；DZ60的(de)(de)40MnMoB、DZ65的(de)(de)27MnMoVB。鋼(gang)管(guan)都(dou)以熱處理狀(zhuang)態交貨。

石(shi)(shi)油(you)裂化(hua)(hua)管(guan)(guan)：用(yong)(yong)于石(shi)(shi)油(you)煉廠(chang)的(de)爐管(guan)(guan)、熱交(jiao)換器管(guan)(guan)和(he)(he)(he)管(guan)(guan)道用(yong)(yong)無縫管(guan)(guan)。常(chang)用(yong)(yong)優質(zhi)碳素鋼(gang)(gang)(gang)(gang)(gang)（10、20）、合金(jin)鋼(gang)(gang)(gang)(gang)(gang)（12CrMo、15CrMo）、耐熱鋼(gang)(gang)(gang)(gang)(gang)（12Cr2Mo、15Cr5Mo）、不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)（1Cr18Ni9、1Cr18Ni9Ti）制造。鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)除(chu)(chu)得證化(hua)(hua)學成分和(he)(he)(he)各(ge)(ge)種機械(xie)性能外，還要(yao)保證水(shui)壓(ya)、壓(ya)扁、擴口(kou)等(deng)試驗(yan)(yan)，及表面(mian)質(zhi)量和(he)(he)(he)無損檢驗(yan)(yan)。鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)在(zai)熱處理狀態(tai)下交(jiao)貨。不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)：用(yong)(yong)各(ge)(ge)種不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)熱軋，冷軋的(de)不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)，廣泛應(ying)用(yong)(yong)于石(shi)(shi)油(you)、化(hua)(hua)工(gong)設備(bei)管(guan)(guan)道和(he)(he)(he)各(ge)(ge)種用(yong)(yong)途的(de)不(bu)銹鋼(gang)(gang)(gang)(gang)(gang)結(jie)構零件，除(chu)(chu)應(ying)保證化(hua)(hua)學成分和(he)(he)(he)機械(xie)性能，凡(fan)用(yong)(yong)作(zuo)承受流體壓(ya)力的(de)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)要(yao)保證水(shui)壓(ya)試驗(yan)(yan)合格。各(ge)(ge)種專用(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)要(yao)按(an)規定保證條件。

無縫管執行標準

1、結構用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB8162-2008 2、輸送(song)流體(ti)用(yong)(yong)地(di)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB8163-20083、鍋爐(lu)用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB3087-2008 4、鍋爐(lu)用(yong)(yong)高(gao)壓(ya)無(wu)(wu)縫(feng)管(guan)：GB5310-2008（ST45.8-Ⅲ型(xing)） 5、化肥設(she)備用(yong)(yong)高(gao)壓(ya)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB6479-1999 6、地(di)質鉆探用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：YB235-70 7、石(shi)油鉆探用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：YB528-65 8、石(shi)油裂(lie)化用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB9948-88 9、石(shi)油鉆鋌專(zhuan)用(yong)(yong)無(wu)(wu)縫(feng)管(guan)：YB691-70 10、汽車半軸用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB3088-1999 11、船(chuan)舶用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB5312-1999 12、冷拔(ba)冷軋精密(mi)無(wu)(wu)縫(feng)鋼(gang)(gang)(gang)(gang)管(guan)：GB3639-1999 13、各種合金(jin)管(guan)16Mn、27SiMn、15CrMo、35CrMo、12CrMov、20G、40Cr,12Cr1MoV,15CrMo

另外，還(huan)有GB/T17396-1998（液壓(ya)支柱用(yong)熱(re)軋無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB3093-1986（柴油機用(yong)高壓(ya)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB/T3639-1983（冷拔(ba)或冷軋精密無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB/T3094-1986（冷拔(ba)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)異(yi)形鋼(gang)(gang)(gang)(gang)管(guan)）、GB/T8713-1988（液壓(ya)和氣動(dong)筒用(yong)精密內徑無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB13296-1991（鍋爐、熱(re)交換器用(yong)不銹鋼(gang)(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB/T14975-1994（結構用(yong)不銹鋼(gang)(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、GB/T14976-1994（流體輸送用(yong)不銹鋼(gang)(gang)(gang)(gang)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）GB/T5035-1993（汽(qi)車半(ban)軸(zhou)套管(guan)用(yong)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)）、API SPEC

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