{"id":316,"date":"2026-03-01T19:39:58","date_gmt":"2026-03-01T17:39:58","guid":{"rendered":"https:\/\/nikologianni.gr\/%cf%80%ce%b1%cf%81%ce%b1%ce%b3%cf%89%ce%b3%ce%ae-%cf%83%cf%89%ce%bb%ce%ae%ce%bd%cf%89%ce%bd\/"},"modified":"2026-03-09T19:36:56","modified_gmt":"2026-03-09T17:36:56","slug":"pipe-production-process","status":"publish","type":"page","link":"https:\/\/nikologianni.gr\/en\/pipe-production-process\/","title":{"rendered":"Pipe Production"},"content":{"rendered":"

Pipe Production<\/strong><\/h1>\n

Steel Works<\/h2>\n

Construction Tubes<\/h3>\n
\n

K.\u0392. NIKOLOGIANNIS SONS S.A. produces a full range of hot-dip galvanized steel pipes, in accordance with the EN 10240 standard, for industrial, construction, and general-purpose applications. The company has made significant investments through the installation of modern production lines and the continuous upgrading of its equipment.<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Size (mm)<\/th>\nWall thickness<\/th>\n<\/tr>\n
1.5<\/td>\n2.0<\/td>\n2.5<\/td>\n3.0<\/td>\n4.0<\/td>\n<\/tr>\n
21<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
26<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
33<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
38<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
42<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
48<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
51<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
60<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
63<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
70<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
76<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
89<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
114<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
150<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Size (mm)<\/th>\nWall thickness<\/th>\n<\/tr>\n
1.5 <\/td>\n 2.0 <\/td>\n 2.5 <\/td>\n3.0<\/td>\n4.0<\/td>\n<\/tr>\n
21<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n <\/td>\n<\/tr>\n
26<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
33<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
38<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n <\/td>\n<\/tr>\n
42<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
48<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
51<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
60<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
63<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
70<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
76<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
89<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
114<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n
150<\/td>\n <\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n\u25cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"\u03a3\u03c9\u03bb\u03b7\u03bd\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\"<\/p>\n

Liquid and Gas Pipes<\/h3>\n
The KB TUBO steel pipes (EN 10025) meet the requirements of all plumbing and HVAC networks, including water supply, heating, fire protection, and air-conditioning systems, as well as natural gas distribution networks. They are galvanized steel pipes, compliant with the EN 10240 standard, manufactured with welded seams and threaded ends.<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specified outside diameter<\/th>\nThread Size <\/th>\nOutside Diameter <\/th>\nM Medium series EN 10255 <\/th>\n<\/tr>\n
D (mm)<\/td>\nR<\/td>\nmax (mm)<\/td>\nmin (mm)<\/td>\nWall Thickness T (mm)<\/td>\nMass per unit length of bare tube Plain end (kg\/m) <\/td>\n<\/tr>\n
21.3<\/td>\n1\/2<\/td>\n21.8<\/td>\n21.0<\/td>\n2.6<\/td>\n1.21<\/td>\n<\/tr>\n
26.9<\/td>\n3\/4<\/td>\n27.3<\/td>\n26.5<\/td>\n2.6<\/td>\n1.56<\/td>\n<\/tr>\n
33.7<\/td>\n1<\/td>\n34.2<\/td>\n33.3<\/td>\n3.2<\/td>\n2.41<\/td>\n<\/tr>\n
42.4<\/td>\n1 + 1\/4<\/td>\n42.9<\/td>\n42.0<\/td>\n3.2<\/td>\n3.10<\/td>\n<\/tr>\n
48.3<\/td>\n1 + 1\/2<\/td>\n48.8<\/td>\n47.9<\/td>\n3.2<\/td>\n3.56<\/td>\n<\/tr>\n
60.3<\/td>\n2<\/td>\n60.8<\/td>\n59.7<\/td>\n3.6<\/td>\n5.03<\/td>\n<\/tr>\n
76.1<\/td>\n2 + 1\/2<\/td>\n76.6<\/td>\n75.3<\/td>\n3.6<\/td>\n6.42<\/td>\n<\/tr>\n
88.9<\/td>\n3<\/td>\n89.5<\/td>\n88.0<\/td>\n4.0<\/td>\n8.36<\/td>\n<\/tr>\n
114.3<\/td>\n4<\/td>\n115.0<\/td>\n113.1<\/td>\n4.5<\/td>\n12.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specified outside diameter<\/th>\nThread Size <\/th>\nOutside Diameter <\/th>\nM Medium series EN 10255 <\/th>\n<\/tr>\n
D (mm)<\/td>\nR<\/td>\nmax (mm)<\/td>\nmin (mm)<\/td>\nWall Thickness T (mm)<\/td>\nMass per unit length of bare tube Plain end (kg\/m) <\/td>\n<\/tr>\n
21.3<\/td>\n1\/2<\/td>\n21.8<\/td>\n21.0<\/td>\n2.6<\/td>\n1.21<\/td>\n<\/tr>\n
26.9<\/td>\n3\/4<\/td>\n27.3<\/td>\n26.5<\/td>\n2.6<\/td>\n1.56<\/td>\n<\/tr>\n
33.7<\/td>\n1<\/td>\n34.2<\/td>\n33.3<\/td>\n3.2<\/td>\n2.41<\/td>\n<\/tr>\n
42.4<\/td>\n1 + 1\/4<\/td>\n42.9<\/td>\n42.0<\/td>\n3.2<\/td>\n3.10<\/td>\n<\/tr>\n
48.3<\/td>\n1 + 1\/2<\/td>\n48.8<\/td>\n47.9<\/td>\n3.2<\/td>\n3.56<\/td>\n<\/tr>\n
60.3<\/td>\n2<\/td>\n60.8<\/td>\n59.7<\/td>\n3.6<\/td>\n5.03<\/td>\n<\/tr>\n
76.1<\/td>\n2 + 1\/2<\/td>\n76.6<\/td>\n75.3<\/td>\n3.6<\/td>\n6.42<\/td>\n<\/tr>\n
88.9<\/td>\n3<\/td>\n89.5<\/td>\n88.0<\/td>\n4.0<\/td>\n8.36<\/td>\n<\/tr>\n
114.3<\/td>\n4<\/td>\n115.0<\/td>\n113.1<\/td>\n4.5<\/td>\n12.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n
Table of Chemical Analysis and Mechanical Properties of Steel <\/th>\n<\/tr>\n
Steel Grade<\/td>\nChemical Composition %<\/td>\nMechanical properties<\/td>\n<\/tr>\n
Steel Name<\/td>\nSteel Number <\/td>\nC Max<\/td>\nMn Max<\/td>\nP Max<\/td>\nS Max<\/td>\nUpper Yield Strength Reh (Mpa)<\/td>\nTensile Strength Rm (Mpa) <\/td>\nElongation A min % <\/td>\n<\/tr>\n
S235JR<\/td>\n10025<\/td>\n0.10<\/td>\n0.80<\/td>\n0.030<\/td>\n0.030<\/td>\n195<\/td>\n320 to 350<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n
\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03c7\u03b7\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03b9\u03b4\u03b9\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03c7\u03ac\u03bb\u03c5\u03b2\u03b1 <\/th>\n<\/tr>\n
Steel Grade<\/td>\nChemical Composition %<\/td>\nMechanical properties<\/td>\n<\/tr>\n
Steel Name<\/td>\nSteel Number <\/td>\nC Max<\/td>\nMn Max<\/td>\nP Max<\/td>\nS Max<\/td>\nUpper Yield Strength Reh (Mpa)<\/td>\nTensile Strength Rm (Mpa) <\/td>\nElongation A min % <\/td>\n<\/tr>\n
S235JR<\/td>\n10025<\/td>\n0.10<\/td>\n0.80<\/td>\n0.030<\/td>\n0.030<\/td>\n195<\/td>\n320 to 350<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specified outside diameter<\/th>\nDesignation of Thread <\/th>\nOutside Diameter <\/th>\nType L series EN 10255 <\/th>\n<\/tr>\n
D (mm)<\/td>\nR<\/td>\nmax (mm)<\/td>\nmin (mm)<\/td>\nWall Thickness T (mm)<\/td>\nMass per unit length of bare tube Plain end (kg\/m) <\/td>\n<\/tr>\n
21.3<\/td>\n1\/2<\/td>\n21.7<\/td>\n21.0<\/td>\n2.3<\/td>\n1.08<\/td>\n<\/tr>\n
26.9<\/td>\n3\/4<\/td>\n27.1<\/td>\n26.4<\/td>\n2.3<\/td>\n1.40<\/td>\n<\/tr>\n
33.7<\/td>\n1<\/td>\n34.0<\/td>\n33.2<\/td>\n2.9<\/td>\n2.20<\/td>\n<\/tr>\n
42.4<\/td>\n1 + 1\/4<\/td>\n42.7<\/td>\n41.9<\/td>\n2.9<\/td>\n2.82<\/td>\n<\/tr>\n
48.3<\/td>\n1 + 1\/2<\/td>\n48.6<\/td>\n47.8<\/td>\n2.9<\/td>\n3.25<\/td>\n<\/tr>\n
60.3<\/td>\n2<\/td>\n60.7<\/td>\n59.6<\/td>\n3.2<\/td>\n4.51<\/td>\n<\/tr>\n
76.1<\/td>\n2 + 1\/2<\/td>\n76.0<\/td>\n75.2<\/td>\n3.2<\/td>\n5.75<\/td>\n<\/tr>\n
88.9<\/td>\n3<\/td>\n88.7<\/td>\n87.9<\/td>\n3.2<\/td>\n6.75<\/td>\n<\/tr>\n
101.6<\/td>\n3 + 1\/2<\/td>\n101.2<\/td>\n100.3<\/td>\n3.6<\/td>\n8.70<\/td>\n<\/tr>\n
114.3<\/td>\n4<\/td>\n113.9<\/td>\n113.0<\/td>\n3.6<\/td>\n9.83<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specified outside diameter<\/th>\nDesignation of Thread <\/th>\nOutside Diameter <\/th>\nType L series EN 10255 <\/th>\n<\/tr>\n
D (mm)<\/td>\nR<\/td>\nmax (mm)<\/td>\nmin (mm)<\/td>\nWall Thickness T (mm)<\/td>\nMass per unit length of bare tube Plain end (kg\/m) <\/td>\n<\/tr>\n
21.3<\/td>\n1\/2<\/td>\n21.7<\/td>\n21.0<\/td>\n2.3<\/td>\n1.08<\/td>\n<\/tr>\n
26.9<\/td>\n3\/4<\/td>\n27.1<\/td>\n26.4<\/td>\n2.3<\/td>\n1.40<\/td>\n<\/tr>\n
33.7<\/td>\n1<\/td>\n34.0<\/td>\n33.2<\/td>\n2.9<\/td>\n2.20<\/td>\n<\/tr>\n
42.4<\/td>\n1 + 1\/4<\/td>\n42.7<\/td>\n41.9<\/td>\n2.9<\/td>\n2.82<\/td>\n<\/tr>\n
48.3<\/td>\n1 + 1\/2<\/td>\n48.6<\/td>\n47.8<\/td>\n2.9<\/td>\n3.25<\/td>\n<\/tr>\n
60.3<\/td>\n2<\/td>\n60.7<\/td>\n59.6<\/td>\n3.2<\/td>\n4.51<\/td>\n<\/tr>\n
76.1<\/td>\n2 + 1\/2<\/td>\n76.0<\/td>\n75.2<\/td>\n3.2<\/td>\n5.75<\/td>\n<\/tr>\n
88.9<\/td>\n3<\/td>\n88.7<\/td>\n87.9<\/td>\n3.2<\/td>\n6.75<\/td>\n<\/tr>\n
101.6<\/td>\n3 + 1\/2<\/td>\n101.2<\/td>\n100.3<\/td>\n3.6<\/td>\n8.70<\/td>\n<\/tr>\n
114.3<\/td>\n4<\/td>\n113.9<\/td>\n113.0<\/td>\n3.6<\/td>\n9.83<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Production Process<\/h3>\n
    \n
  • \n

    \"\"<\/p>\n

    pipes-1<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-10<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-9<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-8<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-7<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-6<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-5<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-4<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-3<\/h3>\n<\/li>\n
  • \n

    \"\"<\/p>\n

    pipes-2<\/h3>\n<\/li>\n<\/ul>\n


    \n<\/p>\n","protected":false},"excerpt":{"rendered":"

    Pipe Production Steel Works Construction Tubes K.\u0392. NIKOLOGIANNIS SONS S.A. produces a full range of hot-dip galvanized steel pipes, in accordance with the EN 10240 standard, for industrial, construction, and general-purpose applications. The company has made significant investments through the installation of modern production lines and the continuous upgrading of its equipment. Size (mm) Wall […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-316","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/pages\/316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/comments?post=316"}],"version-history":[{"count":10,"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/pages\/316\/revisions"}],"predecessor-version":[{"id":429,"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/pages\/316\/revisions\/429"}],"wp:attachment":[{"href":"https:\/\/nikologianni.gr\/en\/wp-json\/wp\/v2\/media?parent=316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}