Kompromisslose Qualität

40NiCrMo7 (1.6562 / SAE 4340 / ASTM L43)

ASTM A320 / ASTM A29 / UNI 7845

Vergütet (+QT)

 

EIGENSCHAFTEN UND VERWENDUNG

Stahllegierung 40NiCrMo7, gemäß der europäischen EN-Norm als 1.6562 bezeichnet, ist ein Nickel-Chrom-Molybdän-Legierungsstahl, der für seine außergewöhnliche Festigkeit, Zähigkeit und Härtbarkeit bekannt ist. Dieser Stahl ist besonders bedeutend, wenn er mit der ASTM A320-Norm übereinstimmt, insbesondere der Klasse L43, die Legierungsstahl-Schraubenmaterialien für den Einsatz bei niedrigen Temperaturen regelt.

Die ASTM A320-Norm, entwickelt von der American Society for Testing and Materials, umfasst Legierungs- und Edelstahl-Schraubenmaterialien, die für den Einsatz bei niedrigen Temperaturen ausgelegt sind, wie beispielsweise in Druckbehältern, Ventilen, Flanschen und Fittings. Die Klasse L43 innerhalb dieser Norm spezifiziert 40NiCrMo7 (oder dessen Äquivalent, wie AISI 4340) für Verbindungselemente und stellt sicher, dass diese ihre strukturelle Integrität und Zähigkeit unter Nullbedingungen beibehalten. Die Norm legt strenge Anforderungen an die chemische Zusammensetzung, Wärmebehandlung und mechanische Eigenschaften, einschließlich der Kerbschlagzähigkeit, fest, um die Leistung in kritischen Anwendungen zu gewährleisten.

40NiCrMo7 (1.6562 / SAE 4340 / ASTM L43)

Die Hauptanwendung von 40NiCrMo7 gemäß ASTM A320 L43 liegt in der Herstellung von Verbindungselementen wie Schrauben, Bolzen und Muttern für Umgebungen mit niedrigen Temperaturen. Diese sind in Branchen wie Öl und Gas, Petrochemie und Energieerzeugung von entscheidender Bedeutung, wo sie Druckbehälter, Ventile und Fittings sichern, die unter Nullbedingungen betrieben werden.

Neben Verbindungselementen machen die hohe Härtbarkeit und Zähigkeit von 40NiCrMo7 ihn für eine Vielzahl von technischen Anwendungen geeignet:

Große Achsen und Wellen: Verwendet in hydroelektrischen Turbinen und schweren Maschinen, wobei seine Fähigkeit genutzt wird, erhebliche Belastungen und Stöße zu bewältigen;

Maschinenkomponenten: Eingesetzt in Zahnrädern, Kurbelwellen und Pleuelstangen, wo hohe Belastungen, Torsion und Vibrationen häufig sind;

Technische Komponenten: Genutzt im Bergbau, Bauwesen und in der Luftfahrt für Bauteile, die Zuverlässigkeit unter extremen Bedingungen erfordern;

Oberflächengehärtete Teile: Angewendet in Nockenwellen und Werkzeughaltern, wo die Verschleißfestigkeit durch Verfahren wie Nitrieren verbessert wird.

 

ENTSPRECHUNG DER INTERNATIONALEN BESTIMMUNGEN

QUALITÄTEUROPADEUTSCHLANDFRANKREICHSPANIENG.B.USA
ENDINW.n.AFNORUNEB.S.AISI/SAE
40NiCrMo7 (L43) 40NiCrMo7 40NiCrMo8-4 1.6562     817M40 4340

 

CHEMISCHE ZUSAMMENSETZUNG (UNI 7845)

STAHLBEZEICHNUNGCHEMISCHE ZUSAMMENSETZUNG
SYMBOLISCHNUMERISCHCMnSiP
max		S
max		CrMoNi
40NiCrMo7 1.6562 0,38 ÷ 0,43 0,60 ÷ 0,85 0,15 ÷ 0,35 0,035 0,040 0,70 ÷ 0,90 0,30 ÷ 0,30 1,65 ÷ 2,00

 

MECHANISCHE EIGENSCHAFTEN (UNI 7845)

STAHL MECHANISCHE EIGENSCHAFTEN FÜR DIE REDUZIERTE SEKTION (EN 10083-1:2006, ANLAGE A), DURCHMESSER (D)
d ≤ 16mm 16mm < d ≤ 40mm 40mm < d ≤ 100mm 100mm < d ≤ 160mm 160mm < d ≤ 250mm
SYMBOLISCH NUMERISCH Re min Rm A min Z min Re min Rm A min Z min Re min Rm A min Z min Re min Rm A min Z min Re min Rm A min Z min
N/mm2 % % N/mm2 % % N/mm2 % % N/mm2 % % N/mm2 % %
40NiCrMo7 1.6562 835 1030 ÷
1230		 11 30 785 980 ÷ 1180 11 30 735 930 ÷ 1130 12 30 665 850 ÷ 1030 13 30 635 780 ÷ 980 13 30

 

 
 

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  • SELECT `m`.`id`,`m`.`title`,`m`.`module`,`m`.`position`,`m`.`content`,`m`.`showtitle`,`m`.`params`,`mm`.`menuid` FROM `mtcca_modules` AS `m` LEFT JOIN `mtcca_modules_menu` AS `mm` ON `mm`.`moduleid` = `m`.`id` LEFT JOIN `mtcca_extensions` AS `e` ON `e`.`element` = `m`.`module` AND `e`.`client_id` = `m`.`client_id` WHERE ( ( (`m`.`published` = 1 AND `e`.`enabled` = 1 AND `m`.`client_id` = :clientId AND `m`.`access` IN (:preparedArray1,:preparedArray2)) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :publishUp)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :publishDown)) AND (`mm`.`menuid` = :itemId OR `mm`.`menuid` <= 0) AND `m`.`language` IN (:preparedArray3,:preparedArray4) ORDER BY `m`.`position`,`m`.`ordering`2.61ms18.34KBParams/libraries/src/Cache/Controller/CallbackController.php:120Copy
  • SELECT `a`.`menutype`,`a`.`title` FROM `mtcca_menu_types` AS `a` WHERE `a`.`client_id` = 0311μs656B/libraries/gantry5/src/classes/Gantry/Framework/Menu.php:138Copy
  • SELECT m.id, m.alias, m.path AS route, m.level, m.parent_id FROM mtcca_menu AS m WHERE m.menutype = 'mainmenu-deu' AND m.parent_id > 0 AND m.client_id = 0 AND m.published >= 0 ORDER BY m.lft726μs4.48KB/libraries/gantry5/src/classes/Gantry/Framework/Menu.php:791Copy
  • SELECT `alias`,`catid` FROM mtcca_content WHERE `id` = :key604μs1.37KBParams/libraries/src/Component/Router/Rules/PreprocessRules.php:123Copy
  • SELECT * FROM `mtcca_extensions` WHERE `element` = 'com_gsd' AND `type` = 'component'632μs2.53KB/plugins/system/nrframework/NRFramework/Extension.php:160Copy
  • SHOW FULL COLUMNS FROM `mtcca_gsd_config`1.48ms1.3KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:539Copy
  • SELECT * FROM `mtcca_gsd_config` WHERE `name` = 'config'438μs592B/libraries/src/Table/Table.php:780Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `mtcca_content` AS `a` INNER JOIN `mtcca_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `mtcca_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `mtcca_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `mtcca_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `mtcca_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown)1.32ms22.13KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT a.* FROM mtcca_gsd a WHERE a.state = 1 AND a.plugin = 'content' AND a.appview IN ('article','*') AND a.language IN ('de-DE','*') ORDER BY a.id desc659μs1.45KB/libraries/src/MVC/Model/BaseDatabaseModel.php:164Copy
  • SELECT * FROM `mtcca_schemaorg` WHERE `itemId` = :itemId AND `context` = :context613μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:406Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `mtcca_content` AS `a` INNER JOIN `mtcca_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `mtcca_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `mtcca_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `mtcca_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `mtcca_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0 AND `a`.`language` IN (:preparedArray1,:preparedArray2)) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray3,:preparedArray4)1.49ms22.23KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `mtcca_content` AS `a` INNER JOIN `mtcca_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `mtcca_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `mtcca_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `mtcca_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `mtcca_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0 AND `a`.`language` IN (:preparedArray1,:preparedArray2)) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray3,:preparedArray4)1.87ms22.23KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `mtcca_scheduler_tasks` AS `a` WHERE `a`.`state` = 1532μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:517Copy
  • SELECT `session_id` FROM `mtcca_session` WHERE `session_id` = ?402μs1008BParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:277Copy
  • INSERT INTO `mtcca_session` (`data`,`time`,`session_id`) VALUES (?, ?, ?)504μs544BParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:301Copy