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20号无缝钢管厂

文章出处: 人气:0发表时间:2019/8/12 12:00:33

  20号无缝钢管为低碳钢管,碳钢一般分为低碳钢、中碳钢和高碳钢三种,其中45#钢为中碳钢,低于45#即为低碳钢,高于45#即为高碳钢,无缝钢管如没有特殊要求,一般均采用20#无缝钢管

16Mn螺旋管.jpg

  20号无缝钢管简介

  20号无缝钢管虎途国际材质为20#钢,强度比15#稍高,很少淬火,无回火脆性。冷变形塑性高、一般供弯曲、压延、弯边和锤拱等加工,电弧焊和接触焊的焊接性能好,气焊时厚度小,外形要求严格或形状复杂的制件上易发生裂纹。切削加工性冷拔或正火状态较退火状态好、一般用于制造受力不大而韧性要求高的工件。

  20HAOWUFENGGANGGUANHUAXUECHENGFEN:

虎途国际  TAN C :0.17%~0.2% GUI Si:0.17%~0.37% MENG Mn:0.35%~0.65% LIU S :≤0.035% LIN P :≤0.035% GE Cr:≤0.25% NIE Ni:≤0.25% TONG Cu:≤0.25%

  20HAOWUFENGGANGGUANLIXUEXINGNENG:

  KANGLAQIANGDU σb (MPa):≥410(42)QUFUQIANGDUσs (MPa):≥245(25)SHENZHANGLV δ (%):≥25DUANMIANSHOUSUOLV ψ (%):≥5,YINGDU :WEIRECHULI,≤156HB,SHIYANGCHICUN:SHIYANGCHICUN25mm

  20HAOWUFENGGANGGUANGONGYILIUCHENG

  REYA(JIYAWUFENGGANGGUAN):YUANGUANPI→JIARE→CHUANKONG→SANGUNXIEYA、LIANYAHUOJIYA→TUOGUAN→DINGJING(HUOJIANJING)→LENGQUE→PIGUAN→JIAOZHI→ZHIJIANBIHOU→SHUIYASHIYAN(HUOTANSHANG)→BIAOJI→RUKU。

  LENGBA(YA)WUFENGGANGGUAN:YUANYUANGUANPI→JIARE→CHUANKONG→DATOU→TUIHUO→SUANXI→TUYOU(DUTONG)→DUODAOCILENGBA(LENGYA)→PIGUAN→RECHULI→JIAOZHI→ZHIJIANBIHOU→SHUIYASHIYAN(TANSHANG)→BIAOJI→RUKU。

虎途国际  20HAOWUFENGGANGGUANYONGTUFENLEI

  GB/T8162-2008(JIEGOUYONGWUFENGGANGGUAN)。ZHUYAOYONGYUYIBANJIEGOUHEJIXIEJIEGOU。QIDAIBIAOCAIZHI(PAIHAO):TANSUGANG20、45HAOGANG;HEJINGANGQ345、20Cr、40Cr、20CrMo、30-35CrMo、42CrMoDENG。

虎途国际  GB/T8163-2008(SHUSONGLIUTIYONGWUFENGGANGGUAN)。ZHUYAOYONGYUGONGCHENGJIDAXINGSHEBEISHANGSHUSONGLIUTIGUANDAO。DAIBIAOCAIZHI(PAIHAO)WEI20、Q345DENG。

虎途国际  GB3087-2008(DIZHONGYAGUOLUYONGWUFENGGANGGUAN)。ZHUYAOYONGYUGONGYEGUOLUJISHENGHUOGUOLUSHUSONGDIZHONGYALIUTIDEGUANDAO。DAIBIAOCAIZHIWEI10、20HAOGANG。

  GB5310-2008(GAOYAGUOLUYONGWUFENGGANGGUAN)。ZHUYAOYONGYUDIANZHANJIHEDIANZHANGUOLUSHANGNAIGAOWEN、GAOYADESHUSONGLIUTIJIXIANGJIGUANDAO。DAIBIAOCAIZHIWEI20G、12Cr1MoVG、15CrMoGDENG。

  GB5312-1999(CHUANBOYONGTANGANGHETANMENGGANGWUFENGGANGGUAN)。ZHUYAOYONGYUCHUANBOGUOLUJIGUOREQIYONGI、IIJINAIYAGUANDENG。DAIBIAOCAIZHIWEI360、410、460GANGJIDENG。

虎途国际  GB1479-2000(GAOYAHUAFEISHEBEIYONGWUFENGGANGGUAN)。ZHUYAOYONGYUHUAFEISHEBEISHANGSHUSONGGAOWENGAOYALIUTIGUANDAO。DAIBIAOCAIZHIWEI20、16Mn、12CrMo、12Cr2MoDENG。

  GB9948-2006(SHIYOULIEHUAYONGWUFENGGANGGUAN)。ZHUYAOYONGYUSHIYOUYELIANCHANGDEGUOLU、REJIAOHUANQIJIQISHUSONGLIUTIGUANDAO。QIDAIBIAOCAIZHIWEI20、12CrMo、1Cr5Mo、1Cr19Ni11NbDENG。

  GB18248-2003(QIPINGYONGWUFENGGANGGUAN)。ZHUYAOYONGYUZHIZUOGEZHONGRANQI、YEYAQIPING。QIDAIBIAOCAIZHIWEI37Mn、34Mn2V、35CrMoDENG。

  20HAOWUFENGGANGGUANZHONGLIANGGONGSHI

  [(WAIJING-BIHOU)*BIHOU]*0.02466=kg/MI(MEIMIDEZHONGLIANG)

  GANGGUANZHONGLIANGGONGSHI LIRU: [(68-4)*4]*0.02466*1=6.31296(kg/MI)YICILEITUI


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