{"id":7513,"date":"2022-09-08T14:48:29","date_gmt":"2022-09-08T14:48:29","guid":{"rendered":"https:\/\/hdcmfg.com\/?p=7513"},"modified":"2026-03-03T07:28:07","modified_gmt":"2026-03-03T07:28:07","slug":"q235-kohlenstoffstahl-bearbeitung","status":"publish","type":"post","link":"https:\/\/hdcmfg.com\/de\/blogs\/q235-carbon-steel-machining\/","title":{"rendered":"Q235-Kohlenstoffstahl: Zusammensetzung, Eigenschaften und Anwendungen"},"content":{"rendered":"

\u00dcberblick<\/h2>\n

Q235 ist ein flexibler, kohlenstoffarmer Stahl mit einer Kohlenstoffstruktur, der \u00fcblicherweise ohne W\u00e4rmebehandlung verwendet wird, da er die W\u00e4rmebehandlung der Schwei\u00dfnaht zerst\u00f6rt. Aufgrund seiner guten Plastizit\u00e4t, Z\u00e4higkeit, Schwei\u00dfbarkeit und Festigkeit, insbesondere seiner hohen Kosten, wird es h\u00e4ufig in Bau- und Ingenieurkonstruktionen wie Platten, Stahlstangen, geschwei\u00dften Stahlrohren und anderen Teilen verwendet. \"q235<\/p>\n

Was ist Q235-Kohlenstoffstahl?<\/h2>\n

In China, Q235 carbon steel, which has a low carbon content, is often used as structural steel, combined with good welding performance. The steel is, like ASTM A36 in the US and S235JR in Europe, completely comparable. Q235 steel is usually carbonized up to 0.2% level, which is combined with manganese, silicon, sulfur, and phosphorus, etc., as other alloying elements. It finds widespread application in construction, machinery, and manufacturing industries in a variety of structural components like beams, columns, and plates, due to its reasonable strength, ductility, and low-cost. Q235 carbon steel can be processed by other methods such as welding, machining and forming to suite specific designs.<\/p>\n

Why is Q235 Carbon Steel Named Differently?<\/h2>\n

The name “Q235” is derived from the Chinese prizm, and it stands for the naming convention of China.\u00a0Steel grades usually have a number that comes before the prefix. This number indicates the minimum yield strength of the steel.\u00a0“Q” stands for “quality” and is given in the form of number that is the yield strength of at least 235 MPa.\u00a0As a result the “Q235” carbon steel is a type of steel that has the minimum yield strength twenty three five mega pascals.\u00a0This classification and standardization system makes use of this marking system for steel grades in manufacturing, construction, and other relevant areas in China.\"q235<\/p>\n

Which Alloy under the AISI Standard is Similar to Q235 Carbon Steel?<\/h2>\n

Das AISI-\u00c4quivalent zu Chinas Q235-Kohlenstoffstahl wird im Allgemeinen als AISI 1008 oder AISI 1010 angesehen. Diese amerikanischen Standards entsprechen in Bezug auf die chemische Zusammensetzung und die mechanischen Eigenschaften weitgehend Q235 und bieten \u00e4hnliche Duktilit\u00e4t, Festigkeit und Schwei\u00dff\u00e4higkeiten. AISI 1008 enth\u00e4lt etwa 0,081 TP3T Kohlenstoff, w\u00e4hrend AISI 1010 mit etwa 0,101 TP3T einen etwas h\u00f6heren Kohlenstoffgehalt aufweist. Diese kohlenstoffarmen St\u00e4hle werden aufgrund ihrer ausgewogenen Leistungsmerkmale in verschiedenen Anwendungen eingesetzt. F\u00fcr bestimmte Anwendungen werden jedoch ein detaillierter Vergleich und die Konsultation der Materialspezifikationen empfohlen, um die vollst\u00e4ndige Kompatibilit\u00e4t und Einhaltung der erforderlichen Standards sicherzustellen.<\/p>\n

Welche Einschr\u00e4nkungen hat Q235-Kohlenstoffstahl?\"q235<\/h2>\n

Compared to other steels, Q235 carbon steel is used extensively but it shows some limitations.\u00a0Also, it possesses lower yield strength putting stringent limits on its application in environments demanding high strength mechanical properties and high load baring capacity.\u00a0Therefore, meeting with a high risk of corrosion, especially in corrosive environments or high humidity, needs extra safety precautions in terms of coating or galvanization.\u00a0Moreover, Q235 steel might be characterized by lowered toughness, which provides the reason to assume the negative toughness of the steel in low temperatures or under impact charges.\u00a0Weldability concerns involving weld cracking and porosity are the issues that must be carefully addressed during the welding processes.\u00a0It is also possible that smoothing steps such as additional machining or finishing are needed to achieve the desired surface finish as roughness makes the performance of high-quality steels.\u00a0In spite of the above limitations, Q235 carbon steel is still widely used in some of the industries but you have to bear in mind that it is not appropriate for specific scenarios.<\/p>\n

Chemische Zusammensetzung von Q235-Kohlenstoffstahl<\/h2>\n\n\n\n\n\n\n\n\n\n
Komponente<\/strong><\/td>\nWt.%<\/strong><\/td>\n<\/tr>\n
Kohlenstoff (C)<\/td>\n0,0 \u2013 0,22<\/td>\n<\/tr>\n
Mangan (Mn)<\/td>\n0,0 \u2013 1,40<\/td>\n<\/tr>\n
Phosphor (P)<\/td>\n0,0 \u2013 0,045<\/td>\n<\/tr>\n
Schwefel (S)<\/td>\n0,0 \u2013 0,05<\/td>\n<\/tr>\n
Silizium (Si)<\/td>\n0,0 \u2013 0,35<\/td>\n<\/tr>\n
Eisen (Fe)<\/td>\n98,81 \u2013 99,26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Der Einfluss der Elementzusammensetzung auf die Eigenschaften von Q235-Kohlenstoffstahl\"q235<\/h2>\n

The explicit dependence of Q235 carbon steel on the elemental composition of its constituents is an established fact.\u00a0Carbon content is the source of hardness, strength, and weldability, but Q235 steel has a relatively low content to provide decent strength combined with ductility.\u00a0Manganese is used to give hardenability and overall mechanical properties, while silicon makes up the high strength and hardenability.\u00a0Phosphorus and sulfur content are kept at minimum to ensure ductility and to avoid breakages.\u00a0Besides that, trace elements such as copper, nickel, chromium, and vanadium are also involved in governance of corrosion resistance as well as the mechanical strength.\u00a0Very high accuracy of control of these factors ends up with specific properties of Q235 steel that makes it applicable to a wide variety of uses.<\/p>\n

Mechanische Eigenschaften von Q235-Kohlenstoffstahl<\/h2>\n\n\n\n\n
Klasse<\/strong><\/td>\nErtragsst\u00e4rke<\/strong><\/td>\nZugfestigkeit<\/strong><\/td>\nDehnung %<\/strong><\/td>\n<\/tr>\n
Q235 Stahl<\/td>\n235 MPa<\/td>\n370-500 MPa<\/td>\n26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Physikalische Eigenschaften von Q235-Kohlenstoffstahl<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Physikalische Eigenschaften<\/strong><\/td>\n<\/tr>\n
Dichte, g\/cm3 (lb\/in3)<\/td>\n7.85 (0.284)<\/td>\n<\/tr>\n
Schmelzpunkt, \u00b0C (\u00b0F)<\/td>\n1450-1530 (2640-2800)<\/td>\n<\/tr>\n
Spezifische W\u00e4rmekapazit\u00e4t, J\/(Kg\u00b7K)<\/td>\n470 bei 20 \u00b0C (68 \u00b0F)<\/td>\n<\/tr>\n
Spezifischer elektrischer Widerstand, \u03bc\u03a9\u00b7m<\/td>\nca. 0,15 (20 \u00b0C)<\/td>\n<\/tr>\n
Elastizit\u00e4tsmodul, GPa (ksi)<\/td>\n200 (29 x 103)<\/td>\n<\/tr>\n
W\u00e4rmeleitf\u00e4higkeit, (W\/m\u00b7K)<\/td>\n53-49 (0-100 \u00b0C)<\/td>\n<\/tr>\n
Coefficient of thermal expansion, (10-6\/K)<\/td>\n11,3-11,6 bei 20-100 \u00b0C (68-212 \u00b0F)<\/td>\n<\/tr>\n
Elastizit\u00e4tsmodul, GPa (ksi)<\/td>\n200 (29 x 103)<\/td>\n<\/tr>\n
Poisson-Zahl<\/td>\n0.24-0.28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Verarbeitungsmethoden f\u00fcr Q235-Kohlenstoffstahl\"q235<\/h2>\n

Q235 carbon steel can be machined, welded and formed using the standard techniques, which is a great advantage when looking for high quality machined parts at unmatched prices. Machining is ensuring the shaping by means of drilling, milling, or turning, whereas welding methods facilitate the joining. The cold forming processes by means of bending and stamping make highly complex shapes, and the stress relieving makes de-stressing. Corrosion resistance is greatly increased by surface treatments as painting or galvanizing. These methods give the possibility to produce castings for the construction of structures, machines, and cars.<\/p>\n

Anwendungen von Q235-Kohlenstoffstahl<\/h2>\n

One of the areas where Q235 carbon steel is widely used is its diverse applications across various industries due these properties.\u00a0It is used for making structural elements such as beams, columns and plates in construction due to its strength and favorable weldability.\u00a0The production of machinery requires the use of Q235 for a variety of pieces such as gears, shafts, and fasteners, since it is machinable and so easy to afford.\u00a0The automotive industries can benefit from it as a constituent of body panels and chassis due to its balance of strength and malleability.\u00a0Besides, Q235 steel is also used in industry manufacturing equipments, agricultural machineries, and pipelines, due to its vast usages across different sectors which include critical applications for construction and mechanics which require reliable, low cost materials.\"q235<\/p>\n

\u00c4quivalente Materialien von Q235-Kohlenstoffstahl<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
EU<\/td>\nDE<\/td>\n<\/td>\n<\/tr>\n
Vereinigte Staaten von Amerika<\/td>\n\u2013<\/td>\nGr.C<\/td>\n<\/tr>\n
Deutschland<\/td>\nDIN, WNr<\/td>\n\n

1.0028<\/p>\n

1.0036<\/p>\n

St34-2<\/p>\n

USt37-2<\/p>\n<\/td>\n<\/tr>\n

Japan<\/td>\nJIS<\/td>\n\n

SS330<\/p>\n

STKM12A<\/p>\n<\/td>\n<\/tr>\n

Frankreich<\/td>\nAFNOR<\/td>\nA34-2<\/p>\n

S235JRG1<\/td>\n<\/tr>\n

England<\/td>\nBS<\/td>\n\n

CEW2BK<\/p>\n

Fe360B<\/p>\n<\/td>\n<\/tr>\n

Europ\u00e4isch alt<\/td>\nDE<\/td>\nFe360BFU<\/td>\n<\/tr>\n
Italien<\/td>\nUNI<\/td>\n\n

Fe330<\/p>\n

Fe360BFU<\/p>\n<\/td>\n<\/tr>\n

Spanien<\/td>\nUNE<\/td>\nAE235B-FU<\/td>\n<\/tr>\n
China<\/td>\nGB<\/td>\n\n

A3<\/p>\n

Q235<\/p>\n<\/td>\n<\/tr>\n

Schweden<\/td>\nSS<\/td>\n1312<\/td>\n<\/tr>\n
Polen<\/td>\nPN<\/td>\nSt3SX<\/td>\n<\/tr>\n
Tschechien<\/td>\nCSN<\/td>\n11343<\/p>\n

11373<\/td>\n<\/tr>\n

\u00d6sterreich<\/td>\nONORM<\/td>\n\n

St34RG<\/p>\n

St37F<\/p>\n

USt360B<\/p>\n<\/td>\n<\/tr>\n

Norwegen<\/td>\nNS<\/td>\nNS12-122<\/td>\n<\/tr>\n
Russland<\/td>\nGOST<\/td>\n\n

16D<\/p>\n

18kp<\/p>\n

St3kp<\/p>\n<\/td>\n<\/tr>\n

Inter<\/td>\nISO<\/td>\nFe360B<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"q235<\/p>","protected":false},"excerpt":{"rendered":"

Q235-Kohlenstoffstahl mit niedrigem Kohlenstoffgehalt wird h\u00e4ufig als Baustahl verwendet und bietet eine gute Schwei\u00dfleistung. Der Stahl ist, wie ASTM A36 in den USA und S235JR in Europa, v\u00f6llig vergleichbar. Q235-Stahl wird normalerweise bis zu einem Gehalt von 0,21 TP3T karbonisiert, der mit Mangan, Silizium, Schwefel und Phosphor usw. kombiniert wird.<\/p>","protected":false},"author":1,"featured_media":7517,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Q235 Carbon Steel: Composition, Characteristics, and Applications - HDC Manufacturing","_seopress_titles_desc":"HDC Manufacturing is a professional custom metal parts supplier. We offer a variety of material options, including titanium alloys, stainless steel, copper, aluminum alloys, plastics, etc., to best meet your material requirements.","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"default","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":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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":""},"categories":[1],"tags":[343],"class_list":["post-7513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-acf-temp"],"acf":[],"_links":{"self":[{"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/posts\/7513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/comments?post=7513"}],"version-history":[{"count":4,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/posts\/7513\/revisions"}],"predecessor-version":[{"id":103029,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/posts\/7513\/revisions\/103029"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/media\/7517"}],"wp:attachment":[{"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/media?parent=7513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/categories?post=7513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hdcmfg.com\/de\/wp-json\/wp\/v2\/tags?post=7513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}