{"id":7907,"date":"2026-04-02T15:34:10","date_gmt":"2026-04-02T14:34:10","guid":{"rendered":"https:\/\/www.esb-group.com\/?page_id=7907"},"modified":"2026-04-02T15:38:33","modified_gmt":"2026-04-02T14:38:33","slug":"s235jr-hot-rolled-structural-steel-2","status":"publish","type":"page","link":"https:\/\/www.esb-group.com\/en\/products-din-en\/structural-grade-carbon-steel\/s235jr-hot-rolled-structural-steel-2\/","title":{"rendered":"S275JR – Hot-rolled structural steel"},"content":{"rendered":"\n
\n
Quality<\/th>Standard<\/th>Material No.<\/th>Past names<\/th><\/tr><\/thead>
S275JR<\/td>DIN EN 10025-2<\/td>1.0044<\/td>St44-2<\/td><\/tr><\/tbody><\/table>
Quality<\/figcaption><\/figure>\n\n\n\n
Testing direction<\/th>Yield strength ReH<\/sub> (MPa) \u2264 16 mm<\/th>Yield strength ReH<\/sub> (MPa) > 16 \u2264 40 mm<\/th>Tensile strengthRm<\/sub> (MPa)< 3 mm<\/th>Tensile strengthRm<\/sub> (MPa)\u2265 3 mm \u2264 100 mm<\/th><\/tr><\/thead>
Transversal (\u2265 600mm)<\/td>\u2265 275<\/td>\u2265 265<\/td>430 – 580<\/td>410 – 560<\/td><\/tr><\/tbody><\/table>
Mechanical properties at room temperature: yield strength and tensile strength<\/figcaption><\/figure>\n\n\n\n
Sample directiona<\/th>ElongationA80<\/sub> (in %)\u2264 1 mm<\/th>A80<\/sub> (in %)> 1 \u2264 1,5 mm<\/th>A80<\/sub> (in %)> 1,5 \u2264 2 mm<\/th>A80<\/sub> (in %)> 2 \u2264 2,5 mm<\/th>A80<\/sub> (in %)> 2,5 \u2264 3 mm<\/th>A5,65<\/sub> (in %)> 3 \u2264 40 mm<\/th><\/tr><\/thead>
l<\/td>\u2265 15<\/td>\u2265 16<\/td>\u2265 17<\/td>\u2265 18<\/td>\u2265 19<\/td>\u2265 23<\/td><\/tr>
t<\/td>\u2265 13<\/td>\u2265 14<\/td>\u2265 15<\/td>\u2265 16<\/td>\u2265 17<\/td>\u2265 21<\/td><\/tr><\/tbody><\/table>
Mechanical properties at room temperature: Elongation<\/figcaption><\/figure>\n\n\n\n
\n
\n
C%\u2264 16 mm<\/th>C%>16 mm \u2264 40 mm<\/th>Si%<\/th>Mn%<\/th>P %<\/th>S %<\/th>N%<\/th>Cu%<\/th><\/tr><\/thead>
0,21<\/td>0,21<\/td>–<\/td>\u2264 1,50<\/td>\u2264 0,035<\/td>\u2264 0,035<\/td>\u2264 0,012<\/td>\u2264 0,55<\/td><\/tr><\/tbody><\/table>
Chemical composition according to melt analysis <\/figcaption><\/figure>\n\n\n\n
Temperature<\/th>Minimum impact energyKV2<\/sub> (J) \u2264 150 mm<\/th><\/tr><\/thead>
20\u00b0C<\/td>27<\/td><\/tr><\/tbody><\/table>
Impact strength KV2 on longitudinal specimens <\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n
<\/div><\/div>\n\n\n\n

S275JR (1.0044)<\/h2><\/div>\n\n\n\n

Hot-rolled structural steel S275JR (material number 1.0044) according to DIN EN 10025-2 is an unalloyed structural steel with a higher minimum yield strength compared to the S235 group. It offers a balanced ratio of strength, toughness, and cost-effectiveness and is widely used in structural steelwork and mechanical engineering. Due to its availability in various delivery conditions, S275JR can be flexibly adapted to different requirements regarding grain structure, strength, and machinability. <\/p>\n\n\n\n

Material properties for construction<\/h3><\/div>\n\n\n\n

Mechanical specifications & delivery conditions<\/h4><\/div>\n\n\n\n

S275JR already offers stable mechanical properties in its standard state. Depending on the requirements for the microstructure and further processing, various delivery conditions are available: <\/p>\n\n\n\n

\n
<\/path><\/svg><\/span>+N (normalized rolled\/normalized annealed): <\/strong>balanced combination of strength and toughness, good machinability<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>+AR (as rolled): <\/strong>economical standard version with standard strength values<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>+M (thermomechanically rolled): <\/strong>optimized strength\/toughness profile through controlled heat-mechanical action<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Impact properties<\/h4><\/div>\n\n\n\n

S275JR is specified with a Charpy V impact strength of at least 27 J at +20 \u00b0C. This toughness ensures reliable performance under shock loading within the typical operating temperature range and minimizes brittle failure. <\/p>\n\n\n\n

Weldability <\/h4><\/div>\n\n\n\n

S275JR is characterized by excellent weldability. Common processes such as MAG, MIG, or manual arc welding can be used with little or no preheating (< 100 \u00b0C). The balanced microstructure in the heat-affected zone reduces the risk of cracking and enables clean, economical welds. <\/p>\n\n\n\n

Areas of Application<\/h4><\/div>\n\n\n\n

Thanks to its increased minimum yield strength and diverse delivery conditions, S275JR is suitable for demanding constructions:<\/p>\n\n\n\n

\n
<\/path><\/svg><\/span>Structural engineering: <\/strong>Beams, columns, profiles for hall and bridge construction<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>Mechanical and plant engineering:<\/strong> machine frames, racks, pressure vessels (unless special steel qualities are required)<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>Bridge construction: <\/strong>Load-bearing bridge elements and anchorages, especially when increased strength reserves are required.<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>Construction industry: <\/strong>Composite reinforced concrete beams, stair railings with higher static load potential<\/span><\/div>\n\n\n\n
<\/path><\/svg><\/span>General steel construction: <\/strong>load handling systems, platforms, cranes and crane runways<\/span><\/div>\n<\/div><\/div>\n\n\n\n

The thermomechanically rolled state (+M) also provides higher strength with good toughness, which qualifies the steel for dynamically loaded components.<\/p>\n\n\n\n

Conclusion<\/h4><\/div>\n\n\n\n

The structural steel S275JR (1.0044) according to DIN EN 10025-2 combines an increased minimum yield strength of 275 MPa with good impact strength (27 J at +20 \u00b0C) and excellent weldability. The available conditions +N, +AR, and +M offer designers and manufacturers a wide range of mechanical properties and processing options. This makes S275JR the ideal choice for robust, economical, and load-bearing structures in steel and mechanical engineering. <\/p>\n\n\n\n

<\/div><\/div>\n\n\n\n

Delivery Forms<\/h3><\/div>\n\n\n\n
\n
\n
\"\"<\/div>

Coil<\/h3><\/div>

Thicknesses: 1,47 – 20,00 mmWidths: up to 2070 mm<\/p><\/div><\/div>\n<\/div>\n\n\n\n

\n
\"\"<\/div>

Slit Coil<\/h3><\/div>

Thicknesses: 1,47 – 20,00 mmWidths: up to 1000 mm<\/p><\/div><\/div>\n<\/div>\n\n\n\n

\n
\"Lieferform:<\/div>

Sheets<\/h3><\/div>

Thicknesses: 1,47 – 20,00 mmWidths: up to 2070 mmLengths: up to 6.000 mm<\/p><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

<\/div><\/div>\n<\/div><\/div>\n
\"Torsten<\/div>\n
Ihr Ansprechpartner<\/h6>\n

Torsten Schmidt<\/h4>

\n\n\n\n<\/g>\n\n\n\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>+49 2841\/60041 131<\/p>

\n\n\n<\/g>\n\n\n\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>+49 173\/1351333<\/p>

\n\n\n\n<\/g>\n\n\n\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>Torsten.Schmidt@ESB-Group.com<\/p>

\n

Sie m\u00f6chten unsere Produkte anfragen?
Dann nutzen Sie gerne unser Kontaktformular.<\/p>zum Anfrageformular<\/a><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Quality Standard Material No. Past names S275JR DIN EN 10025-2 1.0044 St44-2 Quality Testing direction Yield strength ReH (MPa) \u2264 16 mm Yield strength ReH (MPa) > 16 \u2264 40 mm Tensile strengthRm (MPa)< 3 mm Tensile strengthRm (MPa)\u2265 3 mm \u2264 100 mm Transversal (\u2265 600mm) \u2265 275 \u2265 265 430 – 580 410 […]<\/p>\n","protected":false},"author":2,"featured_media":3964,"parent":4448,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-7907","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nS275JR - Hot-rolled structural steel - European Steel Business Group<\/title>\n<meta name=\"description\" content=\"Buy S275JR steel: High-quality hot-rolled structural steel cut to size. 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