{"id":9024,"date":"2025-06-23T08:27:33","date_gmt":"2025-06-23T08:27:33","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=9024"},"modified":"2025-06-23T08:28:14","modified_gmt":"2025-06-23T08:28:14","slug":"7075-vs-6061-pro-vytlacovane-hlinikove-profily","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/7075-vs-6061-for-extruded-aluminum-profiles\/","title":{"rendered":"7075 vs 6061 pro extrudovan\u00e9 hlin\u00edkov\u00e9 profily?"},"content":{"rendered":"

\"Porovn\u00e1n\u00ed
Hlin\u00edkov\u00e9 v\u00fdlisky 7075 vs. 6061 z hlediska pevnosti a struktury<\/figcaption><\/figure>\n<\/p>\n

\u010casto se rozhoduji mezi 7075 a 6061. Ob\u011b jsou b\u011b\u017en\u00e9 extrudovan\u00e9 slitiny, ale slou\u017e\u00ed r\u016fzn\u00fdm pot\u0159eb\u00e1m.<\/p>\n

7075 je mnohem pevn\u011bj\u0161\u00ed, ale s 6061 se l\u00e9pe pracuje. Kl\u00ed\u010dov\u00e9 rozd\u00edly vysv\u011btl\u00edm jednodu\u0161e.<\/strong><\/p>\n

Porovnejme vedle sebe pevnost, obrobitelnost, n\u00e1klady a konstruk\u010dn\u00ed vlastnosti.<\/p>\n

\n

Jak\u00e9 je porovn\u00e1n\u00ed pevnosti konstrukc\u00ed 7075 a 6061?<\/h2>\n

Kdysi jsem pou\u017eil 7075 pro vysoce nam\u00e1han\u00fd leteck\u00fd d\u00edl. Vydr\u017e\u00ed i p\u0159i velk\u00e9m zat\u00ed\u017een\u00ed.<\/p>\n

7075 je mnohem pevn\u011bj\u0161\u00ed ne\u017e 6061 v tahu a v pevnosti v tahu.<\/strong><\/p>\n

Porovn\u00e1n\u00ed mechanick\u00fdch vlastnost\u00ed<\/h3>\n\n\n\n\n\n\n\n\n\n
Majetek<\/th>\n7075?T6<\/th>\n6061?T6<\/th>\n<\/tr>\n<\/thead>\n
Pevnost v tahu (Rm)<\/td>\n540-620 MPa<\/td>\n290-310 MPa<\/td>\n<\/tr>\n
Mez kluzu (Rp0,2)<\/td>\n480-550 MPa<\/td>\n240-270 MPa<\/td>\n<\/tr>\n
Prodlou\u017een\u00ed (A5)<\/td>\n\u22655?%<\/td>\n\u22658?%<\/td>\n<\/tr>\n
Tvrdost (Brinell)<\/td>\n~150 HB<\/td>\n~95 HB<\/td>\n<\/tr>\n
Modul pru\u017enosti<\/td>\n~71 GPa<\/td>\n~69 GPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

7075?T6 m\u00e1 t\u00e9m\u011b\u0159 dvojn\u00e1sobnou pevnost v tahu a mez kluzu ne\u017e 6061?T6. Je v\u0161ak m\u00e9n\u011b tv\u00e1rn\u00fd (5% oproti 8%). Pokud je pevnost kritick\u00e1, vol\u00edm 7075.<\/p>\n

<\/svg> 7075?T6 m\u00e1 t\u00e9m\u011b\u0159 dvojn\u00e1sobnou pevnost v tahu ne\u017e 6061?T6.<\/b>Pravda<\/span><\/p>

7075 m\u00e1 p\u0159ibli\u017en\u011b 540-620?MPa oproti 290-310?MPa u 6061.<\/p><\/div>
\n

<\/svg> 6061?T6 je pevn\u011bj\u0161\u00ed ne\u017e 7075?T6.<\/b>False<\/span><\/p>

7075?T6 v\u00fdrazn\u011b p\u0159ekon\u00e1v\u00e1 6061?T6 v pevnosti.<\/p><\/div><\/p>\n

\n

Kter\u00e1 slitina se l\u00e9pe obr\u00e1b\u00ed a sva\u0159uje?<\/h2>\n

Na r\u00e1my jsem pou\u017eil 6061, proto\u017ee se \u010dist\u011b sva\u0159uje. P\u0159i sva\u0159ov\u00e1n\u00ed se vyh\u00fdb\u00e1m 7075.<\/p>\n

6061 se obr\u00e1b\u00ed a sva\u0159uje mnohem snadn\u011bji ne\u017e 7075.<\/strong><\/p>\n

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd profil 6061 preferovan\u00fd pro sva\u0159ov\u00e1n\u00ed a v\u00fdrobn\u00ed \u00fakoly<\/figcaption><\/figure>\n<\/p>\n

Srovn\u00e1n\u00ed zpracovatelnosti<\/h3>\n\n\n\n\n\n\n\n\n
Majetek<\/th>\n7075?T6<\/th>\n6061?T6<\/th>\n<\/tr>\n<\/thead>\n
Obrobitelnost<\/td>\nM\u00edrn\u00e1 a\u017e dobr\u00e1<\/td>\nVynikaj\u00edc\u00ed<\/td>\n<\/tr>\n
Sva\u0159itelnost<\/td>\n\u0160patn\u00fd<\/td>\nVynikaj\u00edc\u00ed<\/td>\n<\/tr>\n
Tepeln\u011b zpracovateln\u00e9<\/td>\nAno (ale obt\u00ed\u017en\u00e9)<\/td>\nAno (snadn\u00e9)<\/td>\n<\/tr>\n
Koroze po sva\u0159ov\u00e1n\u00ed<\/td>\nVysok\u00e9 riziko<\/td>\nN\u00edzk\u00e9 riziko<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Materi\u00e1l 7075 se h\u016f\u0159e \u0159e\u017ee a tvaruje. P\u0159i sva\u0159ov\u00e1n\u00ed prask\u00e1 a vy\u017eaduje pe\u010dliv\u00e9 o\u0161et\u0159en\u00ed po sva\u0159ov\u00e1n\u00ed. 6061 se rychle opracov\u00e1v\u00e1 a sva\u0159uje se standardn\u00edmi metodami, jako je MIG nebo TIG. Pro projekty vy\u017eaduj\u00edc\u00ed sva\u0159ov\u00e1n\u00ed nebo t\u011b\u017ek\u00e9 obr\u00e1b\u011bn\u00ed v\u017edy vol\u00edm 6061.<\/p>\n

<\/svg> 6061?T6 se sva\u0159uje mnohem snadn\u011bji ne\u017e 7075?T6.<\/b>Pravda<\/span><\/p>

6061 je zn\u00e1m\u00e1 dobrou sva\u0159itelnost\u00ed, zat\u00edmco 7075 se pro sva\u0159ov\u00e1n\u00ed nedoporu\u010duje.<\/p><\/div>
\n

<\/svg> 7075?T6 se obr\u00e1b\u00ed snadn\u011bji ne\u017e 6061?T6.<\/b>False<\/span><\/p>

6061 m\u00e1 vy\u0161\u0161\u00ed obrobitelnost a l\u00e9pe se opracov\u00e1v\u00e1.<\/p><\/div><\/p>\n

\n

Jak\u00e9 jsou rozd\u00edly v n\u00e1kladech?<\/h2>\n

P\u0159ed v\u00fdb\u011brem slitiny si spo\u010d\u00edt\u00e1m n\u00e1klady na 1 kg. 7075 je v\u017edy dra\u017e\u0161\u00ed.<\/p>\n

7075 stoj\u00ed podstatn\u011b v\u00edce ne\u017e 6061 - v mnoha p\u0159\u00edpadech o 50-100%.<\/strong><\/p>\n

\"Srovn\u00e1n\u00ed
Rozd\u00edly v n\u00e1kladech na v\u00fdrobky z extrudovan\u00e9ho hlin\u00edku 7075 a 6061<\/figcaption><\/figure>\n<\/p>\n

Srovn\u00e1n\u00ed n\u00e1klad\u016f<\/h3>\n\n\n\n\n\n\n
Slitina<\/th>\nOdhadovan\u00e9 n\u00e1klady ($\/kg)<\/th>\n<\/tr>\n<\/thead>\n
6061?T6<\/td>\n$2.50-3.00<\/td>\n<\/tr>\n
7075?T6<\/td>\n$4.00-5.50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

7075 je \u010dasto dvakr\u00e1t dra\u017e\u0161\u00ed ne\u017e 6061. I p\u0159es jeho pevnost si ho vyhrazuji pro \u0161pi\u010dkov\u00e9 aplikace. Pro jednodu\u0161\u0161\u00ed d\u00edly je 6061 v\u00fdhodn\u011bj\u0161\u00ed.<\/p>\n

<\/svg> 7075?T6 je b\u011b\u017en\u011b dvakr\u00e1t dra\u017e\u0161\u00ed ne\u017e 6061?T6.<\/b>Pravda<\/span><\/p>

Typick\u00e9 ceny se pohybuj\u00ed u 7075 kolem $4-5,5\/kg, zat\u00edmco u 6061 je to $2,5-3\/kg.<\/p><\/div>
\n

<\/svg> 6061?T6 je dra\u017e\u0161\u00ed ne\u017e 7075?T6.<\/b>False<\/span><\/p>

6061 je obecn\u011b o polovinu levn\u011bj\u0161\u00ed ne\u017e 7075.<\/p><\/div><\/p>\n

\n

Kter\u00fd je lep\u0161\u00ed pro konstruk\u010dn\u00ed aplikace?<\/h2>\n

V r\u00e1mu dronu jsem pou\u017eil materi\u00e1l 7075, proto\u017ee hmotnost a pevnost byly rozhoduj\u00edc\u00ed. Pro kryt l\u00e9ka\u0159sk\u00e9ho p\u0159\u00edstroje jsem pou\u017eil 6061 kv\u016fli sva\u0159itelnosti.<\/p>\n

Pro konstruk\u010dn\u00ed pou\u017eit\u00ed s velk\u00fdm zat\u00ed\u017een\u00edm je nejvhodn\u011bj\u0161\u00ed materi\u00e1l 7075. Pro sva\u0159ovan\u00e9 nebo obr\u00e1b\u011bn\u00e9 konstrukce je vhodn\u011bj\u0161\u00ed 6061.<\/strong><\/p>\n

\"Konstruk\u010dn\u00ed
Pou\u017eit\u00ed trubek 7075 a 6061 pro pr\u016fmyslov\u00e9 konstrukce<\/figcaption><\/figure>\n<\/p>\n

Pr\u016fvodce konstruk\u010dn\u00edmi aplikacemi<\/h3>\n\n\n\n\n\n\n\n\n
Typ struktury<\/th>\nDoporu\u010den\u00e1 slitina<\/th>\n<\/tr>\n<\/thead>\n
Vysok\u00e9 nam\u00e1h\u00e1n\u00ed, n\u00edzk\u00e1 hmotnost<\/td>\n7075<\/td>\n<\/tr>\n
Sva\u0159ovan\u00e9 r\u00e1my, obecn\u00e9 konstrukce<\/td>\n6061<\/td>\n<\/tr>\n
Venkovn\u00ed stavby<\/td>\n6061 (koroze a sva\u0159ov\u00e1n\u00ed)<\/td>\n<\/tr>\n
Letectv\u00ed a kosmonautika, obr\u00e1b\u011bc\u00ed n\u00e1stroje<\/td>\n7075<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

6061 se dob\u0159e hod\u00ed pro sva\u0159ovan\u00e9 r\u00e1my, lavi\u010dky nebo konstruk\u010dn\u00ed podp\u011bry. Odol\u00e1v\u00e1 korozi a je jednodu\u0161\u0161\u00ed na v\u00fdrobu. 7075 je ide\u00e1ln\u00ed tam, kde je nejd\u016fle\u017eit\u011bj\u0161\u00ed pevnost v ohybu a n\u00edzk\u00e1 hmotnost, ale vy\u017eaduje tepelnou \u00fapravu po sva\u0159ov\u00e1n\u00ed a v\u011bt\u0161\u00ed p\u00e9\u010di. J\u00e1 vol\u00edm 7075 pouze v p\u0159\u00edpadech, kdy pevnost ospravedl\u0148uje n\u00e1klady a pr\u00e1ci.<\/p>\n

\n

Z\u00e1v\u011br<\/h2>\n

Materi\u00e1l 7075 m\u00e1 mnohem vy\u0161\u0161\u00ed pevnost, ale h\u016f\u0159e se obr\u00e1b\u00ed a sva\u0159uje a je dra\u017e\u0161\u00ed. 6061 je vyv\u00e1\u017een\u011bj\u0161\u00ed volbou - snadno se tvaruje, sva\u0159uje a je cenov\u011b v\u00fdhodn\u00e1. Pro vysokou z\u00e1t\u011b\u017e a lehkou konstrukci zvolte 7075. Pro univerz\u00e1ln\u00ed, sva\u0159ovan\u00e9 nebo cenov\u011b v\u00fdhodn\u00e9 projekty zvolte 6061.<\/p>","protected":false},"excerpt":{"rendered":"

7075 vs 6061 aluminum extrusions for strength and structure I often decide between 7075 and 6061. Both are common extruded alloys but serve different needs. 7075 is much stronger, but 6061 is easier to work with. I\u2019ll explain the key differences simply. Let\u2019s compare strength, machinability, cost, and structural performance side by side. How do […]<\/p>\n","protected":false},"author":6,"featured_media":8594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/9024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=9024"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/9024\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8594"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=9024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=9024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=9024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}