{"id":1409,"date":"2026-09-08T06:14:11","date_gmt":"2026-09-08T06:14:11","guid":{"rendered":"https:\/\/dysteel.com\/?p=1409"},"modified":"2026-09-08T06:14:11","modified_gmt":"2026-09-08T06:14:11","slug":"%e5%a4%a7%e6%b4%8b%e9%92%a2%e7%ae%a1%e9%9b%86%e5%9b%a2%e7%94%9f%e4%ba%a7%e6%9c%ba%e7%bb%84%e8%a7%84%e6%a0%bc%e5%8f%82%e6%95%b0%e5%85%ac%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/dysteel.com\/en\/%e5%a4%a7%e6%b4%8b%e9%92%a2%e7%ae%a1%e9%9b%86%e5%9b%a2%e7%94%9f%e4%ba%a7%e6%9c%ba%e7%bb%84%e8%a7%84%e6%a0%bc%e5%8f%82%e6%95%b0%e5%85%ac%e7%a4%ba\/","title":{"rendered":"Public Notice of Specifications and Parameters for Production Lines at Dayang Steel Pipe Group"},"content":{"rendered":"<p class=\"wp-block-paragraph\">To further standardize production standards, clarify product processing ranges, and improve the accuracy of customer product selection and order fulfillment, Dayang Steel Pipe Group is hereby uniformly publishing the specification ranges and parameters for the company\u2019s four main production lines. The parameters disclosed in this announcement cover the outer diameter processing ranges, corresponding wall thickness ranges, round bar cutting lengths, and billet production lengths for each production line. All data is accurate and valid, serving as an official reference for product customization, technical coordination, and order scheduling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>I. Riton 76 Medium- and Thick-Wall Production Line<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applicable Scenarios<\/strong>: Custom Manufacturing of Small- and Medium-Diameter, Medium-Thick-Walled Seamless Steel Pipes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cutting Length of Round Bar<\/strong>: 2.0 m\u20133.4 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tube Blank Production Length<\/strong>: 6.1 m\u201311.5 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Outer Diameter and Corresponding Wall Thickness Parameters<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outer diameters: 48 mm, 50 mm, 51 mm, 54 mm; wall thickness: 8 mm\u201316 mm<\/li>\n\n\n\n<li>Outer diameter 57 mm: Wall thickness 8 mm\u201318 mm<\/li>\n\n\n\n<li>Outer diameters: 60 mm, 63.5 mm, 65 mm, 68 mm; wall thickness: 8 mm\u201320 mm<\/li>\n\n\n\n<li>Outer diameters: 70 mm, 73 mm, 76 mm; wall thickness: 7 mm\u201322 mm<\/li>\n\n\n\n<li>Outer diameters: 80 mm, 83 mm, 89 mm, 95 mm; wall thickness: 7 mm\u201325 mm<\/li>\n\n\n\n<li>Outer diameter: 102 mm, 108 mm; wall thickness: 8 mm\u201314 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>II. KeHuan 219 Medium- and Thick-Wall Production Line<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applicable Scenarios<\/strong>: Mass Production of Medium- and Large-Diameter, Medium- and Thick-Walled Seamless Steel Pipes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cutting Length of Round Bar<\/strong>: 1.8 m\u20134.5 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tube Blank Production Length<\/strong>: 8.2 m\u201312.5 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Outer Diameter and Corresponding Wall Thickness Parameters<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outer diameter: 73 mm, 76 mm; wall thickness: 14 mm\u201322 mm<\/li>\n\n\n\n<li>Outer diameter: 80 mm, 83 mm; wall thickness: 14 mm\u201325 mm<\/li>\n\n\n\n<li>Outer diameter 89 mm, 95 mm: Wall thickness 14 mm\u201330 mm<\/li>\n\n\n\n<li>Outer diameter: 102 mm; wall thickness: 12 mm\u201332 mm<\/li>\n\n\n\n<li>Outer diameter: 108 mm; wall thickness: 12 mm\u201335 mm<\/li>\n\n\n\n<li>Outer diameter: 114 mm, 121 mm; wall thickness: 14 mm\u201335 mm<\/li>\n\n\n\n<li>Outer diameters: 127 mm, 133 mm, 140 mm, 146 mm; wall thickness: 16 mm\u201340 mm<\/li>\n\n\n\n<li>Outer diameter: 152 mm; wall thickness: 14 mm\u201345 mm<\/li>\n\n\n\n<li>Outer diameter: 159 mm, 180 mm; wall thickness: 18 mm\u201350 mm<\/li>\n\n\n\n<li>Outer diameter: 194 mm, 203 mm; wall thickness: 18 mm\u201330 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>III. KeHuan 159 Medium-Thin-Wall Unit<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applicable Scenarios<\/strong>: Precision Manufacturing of Large-Diameter, Thin-Walled, and Standard-Wall-Thickness Seamless Steel Pipes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cutting Length of Round Bar<\/strong>: 1.7 m\u20133.5 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tube Blank Production Length<\/strong>: 9.5 m\u201312.6 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Outer Diameter and Corresponding Wall Thickness Parameters<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outer diameters: 95 mm, 102 mm, 108 mm; wall thickness: 8 mm\u201310 mm<\/li>\n\n\n\n<li>Outer diameter 114 mm, 121 mm: Wall thickness 8 mm\u201312 mm<\/li>\n\n\n\n<li>Outer diameters: 127 mm, 133 mm, 140 mm; wall thickness: 8 mm\u201314 mm<\/li>\n\n\n\n<li>Outer diameter: 152 mm; wall thickness: 7 mm\u201314 mm<\/li>\n\n\n\n<li>Outer diameters: 159 mm, 168 mm, 180 mm, 194 mm, 203 mm; wall thickness: 6 mm\u201316 mm<\/li>\n\n\n\n<li>Outer diameter: 219 mm; wall thickness: 6 mm\u201318 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IV. Dayang 508 Medium- and Thick-Wall Production Line<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applicable Scenarios<\/strong>: High-end custom manufacturing of large-diameter, thick-walled, and extra-thick-walled seamless steel pipes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cutting Length of Round Bar<\/strong>: 2.5 m\u20136.0 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tube Blank Production Length<\/strong>: 9.0 m\u201316.0 m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Outer Diameter and Corresponding Wall Thickness Parameters<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outer diameter: 180 mm; wall thickness: 20 mm\u201360 mm<\/li>\n\n\n\n<li>Outer diameter: 194 mm, 203 mm; wall thickness: 20 mm\u201365 mm<\/li>\n\n\n\n<li>Outer diameter: 219 mm; wall thickness: 20 mm\u201370 mm<\/li>\n\n\n\n<li>Outer diameter: 245 mm, 254 mm; wall thickness: 20 mm\u201380 mm<\/li>\n\n\n\n<li>Outer diameter 273 mm: Wall thickness 20 mm\u201380 mm<\/li>\n\n\n\n<li>Outer diameter: 299 mm; wall thickness: 20 mm\u201390 mm<\/li>\n\n\n\n<li>Outer diameters: 325 mm, 351 mm, 356 mm, 377 mm; wall thickness: 20 mm\u2013100 mm<\/li>\n\n\n\n<li>Outer diameters: 402 mm, 406 mm, 426 mm; wall thickness: 25 mm\u2013120 mm<\/li>\n\n\n\n<li>Outer diameter 457 mm: Wall thickness 25 mm\u2013120 mm<\/li>\n\n\n\n<li>Outer diameters: 480 mm, 508 mm, 530 mm; wall thickness: 25 mm\u2013120 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V. Notice on the Public Announcement<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. All units of measurement in this notice are as follows: outer diameter and wall thickness are in millimeters (mm); the cut-to-length of round bar and the length of tube blanks are in meters (m).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. The parameters for each unit fall within the standard production range; special specifications and wall thicknesses can be custom-manufactured following a technical evaluation based on customer requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. This parameter announcement represents the company\u2019s latest official production standards; all production, quotations, and technical coordination shall be based on this version.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"663\" height=\"623\" src=\"https:\/\/dysteel.com\/wp-content\/uploads\/2026\/09\/2.png\" alt=\"\" class=\"wp-image-1410\" srcset=\"https:\/\/dysteel.com\/wp-content\/uploads\/2026\/09\/2.png 663w, https:\/\/dysteel.com\/wp-content\/uploads\/2026\/09\/2-300x282.png 300w, https:\/\/dysteel.com\/wp-content\/uploads\/2026\/09\/2-13x12.png 13w\" sizes=\"auto, (max-width: 663px) 100vw, 663px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ocean Steel Pipe Group<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Official Announcement<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>To further standardize production standards, clarify the scope of product processing, and improve the accuracy of customer product selection and order fulfillment, Dayang Steel Pipe Group is now standardizing the processing procedures for the company\u2019s four main production lines\u2026<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1409","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":false,"author_info":{"display_name":"dy-manager","author_link":"https:\/\/dysteel.com\/en\/author\/dy-manager\/"},"comment_info":"","category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":20,"filter":"raw","cat_ID":1,"category_count":20,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/posts\/1409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/comments?post=1409"}],"version-history":[{"count":1,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/posts\/1409\/revisions"}],"predecessor-version":[{"id":1411,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/posts\/1409\/revisions\/1411"}],"wp:attachment":[{"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/media?parent=1409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/categories?post=1409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dysteel.com\/en\/wp-json\/wp\/v2\/tags?post=1409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}