[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-670555-105":59,"doc-detail-670555-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","tubing-data-tubing-selection-gas-service","Tubing Data - Tubing Selection - Gas Service","","Tubing Data explains how to reliably select, handle, and install tubing when used with Swagelok tube fittings. It outlines key ordering variables including surface finish, material, hardness, and wall thickness, and describes how surface imperfections and straightness requirements affect sealing quality. Guidance covers gas service risks from small molecule leakage paths, matching tubing hardness to fitting materials, and choosing wall thickness to keep working pressure outside shaded limits. Handling and installation practices help prevent scratches and support leak-tight system performance.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/tubing-data-tubing-selection-gas-service/670555/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/tubing-data-tubing-selection-gas-service/670555.png","ImageObject",300,407,{"name":92,"@type":93},"Nguyễn Văn Học","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-11-01",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What factors should be considered when ordering tubing for Swagelok tube fittings?","Question",{"text":112,"@type":113},"Consider surface finish, material, hardness, and wall thickness when ordering tubing for use with Swagelok tube fittings.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why does gas service require careful tubing selection and installation?",{"text":117,"@type":113},"Gas service involves very small molecules that can escape through minute leak paths, and surface defects or scratches can interfere with proper sealing.",{"name":119,"@type":110,"acceptedAnswer":120},"How does tubing wall thickness affect gas service connections?",{"text":121,"@type":113},"Heavier wall tubing resists ferrule action more, helping ferrules coin out minor surface imperfections, while thinner wall tubing offers less resistance and can increase the chance of coining out defects during installation.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},670555,1793570016,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":41},1374402739827,"https://ap-avatar.wpscdn.com/avatar/14000c97e7351f1a627?x-image-process=image/resize,m_fixed,w_180,h_180&k=1787885694763230660","[www.swagelok. com](www.swagelok. com)  \nTubing Data  \nContents  \nTubing Selection ................................ 1  \nTubing Handling ................................. 1  \nGas Service .................................... 2  \nTubing Installation ............................... 2  \nSuggested Allowable Working Pressure Tables  \nCarbon Steel Tubing ............................ 3  \nStainless Steel Tubing .......................... 4  \nCopper Tubing ................................ 6  \nAluminum Tubing .............................. 7  \nAlloy 400 Tubing ............................... 8  \nAlloy C-276 Tubing ............................. 9  \nAlloy 20 Tubing ................................ 9  \nAlloy 600 Tubing ............................... 10  \nGrade 2 Titanium Tubing ........................ 10  \nSAF 2507™ Super Duplex Tubing ................. 11  \nAlloy 825 Tubing ............................... 11  \nAlloy 625 Tubing ............................... 12  \nElevated Temperature Factors .................... 12  \nTubing Selection  \nProper selection, handling, and installation of tubing, when combined with proper selection of Swagelok® tube fittings, are essential to reliable tubing systems.  \nThe following variables should be considered when ordering tubing for use with Swagelok tube fittings:  \n■ Surface finish  \n■ Material  \n■ Hardness  \n■ Wall thickness.  \nTubing Surface Finish  \nMany ASTM specifications cover the above requirements, but they often are not very detailed on surface finish. For example, ASTM A450, a general tubing specification, reads:  \n11. Straightness and Finish  \n11.1 Finished tubes shall be reasonably straight and have smooth ends free of burrs. They shall have a workmanlike finish. Surface imperfections (Note) may be removed by grinding, provided that a smooth curved surface is maintained, and the wall thickness is not decreased to less than that permitted by this or the product specification. The outside diameter at the point of grinding may be reduced by the amount so removed.  \nNote: An imperfection is any discontinuity or irregularity found in the tube.  \nTubing Material  \nOur suggested ordering instructions for each type of tubing are shown under the respective tables.  \nTubing Outside Diameter Hardness  \nThe key to selecting proper tubing for use with metal Swagelok tube fittings is that the tubing must be softer than the fitting material. Swagelok tube fittings are designed to work properly with the tubing that is suggested in the ordering instructions.  \nSwagelok stainless steel tube fittings have been repeatedly tested successfully with tubing with hardness up to 200 HVand 90 HRB.  \nTubing Wall Thickness  \nThe accompanying tables show working pressure ratings of tubing in a wide range of wall thicknesses. Except as noted, allowable pressure ratings are calculated from S values as specified by ASME B31.3, Process Piping.  \nSwagelok tube fittings have been repeatedly tested in both the minimum and maximum wall thicknesses shown. Swagelok tube fittings are not recommended for tube wall thicknesses outside the ranges shown in the accompanying tables for each size.  \nTubing Handling  \nGood handling practices can greatly reduce scratches on tubing and protect the good surface finish that reliable tube manufacturers supply.  \n■ Tubing should never be dragged out of a tubing rack or across a rough surface.  \n■ Tube cutters or hacksaws should be sharp. Do not take deep cuts with each turn of the cutter or stroke of the saw.  \n■ Tube ends should be deburred. This helps to ensure that the tubing will go all the way through the ferrules without damaging the ferrule sealing edge.  \n2 Tubing Data  \nGas Service  \nGases (air, hydrogen, helium, nitrogen, etc.) have very small molecules that can escape through even the most minute leak path. Some surface defects on the tubing can provide such a leak path. As tube outside diameter (OD) increases, so does the likelihood of a scratch or other surface defect interfering wit","cbCaieNrfal2eds8","https://ap.wps.com/l/cbCaieNrfal2eds8","pdf",235582,12,"English","# Tubing Selection\n## Tubing Handling\n## Gas Service\n## Tubing Installation\n# Carbon Steel Tubing\n# Stainless Steel Tubing\n# Copper Tubing\n# Aluminum Tubing\n# Alloy 400 Tubing\n# Alloy C-276 Tubing\n# Alloy 20 Tubing\n# Alloy 600 Tubing\n# Grade 2 Titanium Tubing\n# SAF 2507™ Super Duplex Tubing\n# Alloy 825 Tubing\n# Alloy 625 Tubing\n# Elevated Temperature Factors","[{\"question\":\"What factors should be considered when ordering tubing for Swagelok tube fittings?\",\"answer\":\"Consider surface finish, material, hardness, and wall thickness when ordering tubing for use with Swagelok tube fittings.\"},{\"question\":\"Why does gas service require careful tubing selection and installation?\",\"answer\":\"Gas service involves very small molecules that can escape through minute leak paths, and surface defects or scratches can interfere with proper sealing.\"},{\"question\":\"How does tubing wall thickness affect gas service connections?\",\"answer\":\"Heavier wall tubing resists ferrule action more, helping ferrules coin out minor surface imperfections, while thinner wall tubing offers less resistance and can increase the chance of coining out defects during installation.\"}]","Tubing Data - Tubing Selection - Gas Service | PDF"]