鋼制對(duì)焊無(wú)縫管件標(biāo)準(zhǔn)

1、對(duì)對(duì)焊焊無(wú)無(wú)縫縫管管件件種種類類和和代代號(hào)號(hào)GB12459-90GB12459-90序序號(hào)號(hào)品品種種類類別別代代號(hào)號(hào)標(biāo)標(biāo) 示示45度彎頭長(zhǎng)半徑45E(L)45E(L)-65-Sch40-20#90度彎頭長(zhǎng)半徑90E(L)90E(L)-100B-Sch40-20#短半徑90E(S)長(zhǎng)半徑異徑90E(L)R180度彎頭長(zhǎng)半徑180E(L)短半徑180E(S)異徑接頭同心R(C)R(C)-10080B-Sch40-20#偏心R(E)R(E)-100A80B-Sch40-20#三通等徑T(S)T(S)-100-Sch40-20#異徑T(R)T(R)-10010080B-Sch40-20#四通等徑CR(

2、S)異徑CR(R)管帽CC-65-Sch40-20#說(shuō)說(shuō) 明明口徑65A系列口徑B系列口徑100A系列80B系列口徑A系列口徑B系列對(duì)對(duì)焊焊無(wú)無(wú)縫縫管管件件種種類類和和代代號(hào)號(hào)GB12459-90GB12459-904545度度 9090度度 180180度度 彎彎頭頭尺尺寸寸公公稱稱通通徑徑DNDN端端部部外外徑徑D D中中心心至至端端面面尺尺寸寸中中心心至至中中心心尺尺寸寸背背面面至至端端面面尺尺寸寸4545度度彎彎頭頭H H9090度度彎彎頭頭 F F180180度度彎彎頭頭 P P180180度度彎彎頭頭 K KA A系系列列B B系系列列長(zhǎng)長(zhǎng)半半徑徑長(zhǎng)長(zhǎng)半半徑徑短短半半徑徑長(zhǎng)長(zhǎng)半半徑

3、徑短短半半徑徑長(zhǎng)長(zhǎng)半半徑徑1521.318163876482026.925163876512533.7321638257651563242.4382048329564704048.34524573811476835060.35732765115210210665 76.1(73)764095641911271328088.989471147622915215990101.65513389267178184100114.310863152102305203210125139.713379190127381254262150168.315995229152457305313200219.12191

4、26305203610406414250273273158381254762508518300323.9325189457305914610619350355.63772215333561067711711400406.442625361040612198138134504574782846864571372914914500508529316762508152410161016短短半半徑徑4545度度 9090度度 180180度度 彎彎頭頭尺尺寸寸背背面面至至端端面面尺尺寸寸180180度度彎彎頭頭 K K異異 徑徑 接接 頭頭 管管 件件 尺尺 寸寸 GB12459-90GB12459-

5、90 序序號(hào)號(hào)公公稱稱通通徑徑DNDN端端部部外外徑徑端端部部外外徑徑長(zhǎng)長(zhǎng)度度L LD1D1D2D2A A系系列列B B系系列列A A系系列列B B系系列列201526.92521.31838 252033.73226.92551251533.73221.31851322542.43833.73251322042.43826.92551321542.43821.31851403248.34542.43864402548.34533.73264402048.34526.92564401548.34521.31864504060.35748.34576503260.35742.4387650256

6、0.35733.73276502060.35726.92576655076.1(73)7660.35789654076.1(73)7648.34589653276.1(73)7642.43889652576.1(73)7633.73289806588.98976.1(73)7689805088.98960.35789804088.989484589803288.98942.438899080101.688.91029065101.676.1(73)1029050101.660.31029040101.648.31029032101.642.410210090114.3108101.610210

7、080114.310888.910210065114.310876.1(73)7610210050114.310860.35710210040114.310848.345102125100139.7133114.310812712590139.7133101.612712580139.713388.98912712565139.713376.1(73)7612712550139.713360.357127150125168.3159139.7133140150100168.3159114.310814015090168.3101.614015080168.315988.989140150651

8、68.315976.1(73)76140200150219.1219168.3159152200125219.1219139.4133152200100219.1219114.310815220090219.1101.6152250200273273219.1219178250150273273168.3159178250125273273139.4133178250100273273114.3108178300250323.9325273273203300200323.9325219.1219203300150323.9325168.3159203300125323.9325139.4133

9、203350300355.6377323.9325330350250355.6377273273330350200355.6377219.1219330350150355.6377168.3159330400350406.4426355.6377356400300406.4426323.9325356400250406.4426273273356400200406.4426219.1219356450400457.2478406.4426381450350457.2478355.6377381450300457.2478323.9325381450250457.2478273273381500

10、450508529457478508500400508529406.4426508500350508529355.6377508500300508529323.9325508鋼鋼 制制 無(wú)無(wú) 縫縫 管管 件件 壁壁 厚厚 分分 級(jí)級(jí) 表表 mmmm公公稱稱通通徑徑DNDN端端部部外外徑徑D D公公 稱稱 壁壁 厚厚A A系系列列B B系系列列Sch5sSch5sSch10sSch10sSch20sSch20sSch20Sch20Sch30Sch30Sch40Sch401521.3181.62.12.62.92026.9251.62.12.62.92533.7321.62.83.23.23242

11、.4381.62.83.23.64048.3451.62.83.23.65060.3571.62.83.63.246576.1(73)76233.644.558088.9892344.55.690101.62344.55.6100114.310823455.9125139.71332.93.4556.3150168.31592.93.455.67.1200219.12192.946.36.37.182502732733.646.36.388.8300323.932544.56.36.38.810350355.63774581011400406.44264581012.54504574784581114.250050852955.61012.516Sch60Sch60Sch80Sch80Sch100Sch100Sch120Sch120Sch140Sch140Sch160Sch1603.64.545.64.56.356.357.15.68.87.110811812.58.