{"id":65524,"date":"2026-02-04T11:50:08","date_gmt":"2026-02-04T10:50:08","guid":{"rendered":"https:\/\/stalesia.com\/?page_id=65524"},"modified":"2026-02-04T11:51:37","modified_gmt":"2026-02-04T10:51:37","slug":"dimensional-tolerances-for-pipes","status":"publish","type":"page","link":"https:\/\/stalesia.com\/en\/dimensional-tolerances-for-pipes\/","title":{"rendered":"Dimensional tolerances for pipes"},"content":{"rendered":"\n

Dimensional tolerances acc. To EN ISO 1127<\/strong><\/p>\n\n\n\n

Outside Diameter<\/strong><\/td>Wall Thickness<\/strong><\/td><\/tr>
tolerance class<\/td>allowed deviation<\/td>tolerance class<\/td>allowed deviation<\/td><\/tr>
 D1<\/td> +\/- 1,5%
min +\/- 0,75 mm<\/td>		 T1<\/td> +\/- 15%
min +\/- 0,60 mm<\/td><\/tr>
 D2<\/td>  +\/- 1%
min +\/- 0,50 mm<\/td>		 T2<\/td> +\/- 12,5 %
min +\/- 0,40 mm<\/td><\/tr>
 D3<\/td> +\/- 0,75%
min +\/- 0,30 mm<\/td>		 T3<\/td>  +\/- 10%
min +\/- 0,20 mm<\/td><\/tr>
 D4<\/td> +\/- 0,50%
min +\/- 0,10 mm<\/td>		 T4<\/td>  +\/- 7,5%
min +\/- 0,15 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Dimensional tolerances acc. To EN 10305 ( precise)<\/strong><\/p>\n\n\n\n

Outside Diameter<\/strong><\/td>Tolerance<\/strong><\/td><\/tr>
4\u2264D\u226430 <\/td>\u00b10,08 mm<\/td><\/tr>
30<D\u226440 <\/td>\u00b10,15 mm<\/td><\/tr>
40<D\u226450<\/td>\u00b10,20 mm<\/td><\/tr>
50<D\u226460 <\/td>\u00b10,25 mm<\/td><\/tr>
60<D\u226470<\/td>\u00b10,30 mm<\/td><\/tr>
70<D\u226480<\/td>\u00b10,35 mm<\/td><\/tr>
Wall thickness tolerance<\/strong><\/td>\u00b110,0%
(minimum \u00b1 0,1 mm)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Please note that the specified tolerances apply to full bars and that the control measurement is made at the ends of the pipe.
When purchasing unprefabricated sections other than those listed in the production certificate for a particular batch, deviations from the values given in certificate 3.1 may be expected and may not be a basis for considering the product as not meeting the requirements of the standard or as being of inferior quality.<\/p>\n","protected":false},"excerpt":{"rendered":"

Dimensional tolerances acc. To EN ISO 1127 Outside Diameter Wall Thickness tolerance class allowed deviation tolerance class allowed deviation  D1  +\/- 1,5%min +\/- 0,75 mm  T1  +\/- 15%min +\/- 0,60 mm  D2   +\/- 1%min +\/- 0,50 mm  T2  +\/- 12,5 %min +\/- 0,40 mm  D3  +\/- 0,75%min +\/- 0,30 mm  T3   +\/- 10%min […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-65524","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nDimensional tolerances for pipes - Stalesia<\/title>\n<meta name=\"description\" content=\"Dimensional tolerances for stainless steel pipes: outside diameter and wall thickness tolerance classes to EN ISO 1127, and precision tubes to EN 10305.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stalesia.com\/en\/dimensional-tolerances-for-pipes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dimensional tolerances for pipes - Stalesia\" \/>\n<meta property=\"og:description\" content=\"Dimensional tolerances for stainless steel pipes: outside diameter and wall thickness tolerance classes to EN ISO 1127, and precision tubes to EN 10305.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stalesia.com\/en\/dimensional-tolerances-for-pipes\/\" \/>\n<meta property=\"og:site_name\" content=\"Stalesia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/StalesiaStal\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-04T10:51:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stalesia.com\/wp-content\/uploads\/2026\/02\/prety-tuleje-banner-1024x585.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"585\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/dimensional-tolerances-for-pipes\\\/\",\"url\":\"https:\\\/\\\/stalesia.com\\\/en\\\/dimensional-tolerances-for-pipes\\\/\",\"name\":\"Dimensional tolerances for pipes - Stalesia\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#website\"},\"datePublished\":\"2026-02-04T10:50:08+00:00\",\"dateModified\":\"2026-02-04T10:51:37+00:00\",\"description\":\"Dimensional tolerances for stainless steel pipes: outside diameter and wall thickness tolerance classes to EN ISO 1127, and precision tubes to EN 10305.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/dimensional-tolerances-for-pipes\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/stalesia.com\\\/en\\\/dimensional-tolerances-for-pipes\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/dimensional-tolerances-for-pipes\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/stalesia.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dimensional tolerances for pipes\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/stalesia.com\\\/en\\\/\",\"name\":\"Stalesia\",\"description\":\"Online shop for stainless steel\",\"publisher\":{\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/stalesia.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#organization\",\"name\":\"Stalesia\",\"url\":\"https:\\\/\\\/stalesia.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/stalesia.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/logo-stalesia.png\",\"contentUrl\":\"https:\\\/\\\/stalesia.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/logo-stalesia.png\",\"width\":2444,\"height\":889,\"caption\":\"Stalesia\"},\"image\":{\"@id\":\"https:\\\/\\\/stalesia.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/StalesiaStal\\\/\"],\"legalName\":\"Stalesia Sp\u00f3\u0142ka z Ograniczon\u0105 Odpowiedzialno\u015bci\u0105\",\"vatID\":\"PL6792899343\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"ul. 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