{"id":16361,"date":"2025-08-13T08:19:26","date_gmt":"2025-08-13T08:19:26","guid":{"rendered":"https:\/\/tuohaihardware.com\/?p=16361"},"modified":"2026-09-26T08:17:39","modified_gmt":"2026-09-26T08:17:39","slug":"kompletni-pruvodce-tridami-retezu-a-jejich-pouzitim","status":"publish","type":"post","link":"https:\/\/tuohaihardware.com\/cs\/the-complete-guide-to-grades-of-chain-and-their-uses\/","title":{"rendered":"Kompletn\u00ed pr\u016fvodce t\u0159\u00eddami \u0159et\u011bz\u016f a jejich pou\u017eit\u00edm"},"content":{"rendered":"<h2><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16364 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/The-Complete-Guide-to-Grades-of-Chain-and-Their-Uses.jpg\" alt=\"Kompletn\u00ed pr\u016fvodce t\u0159\u00eddami \u0159et\u011bz\u016f a jejich pou\u017eit\u00edm\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/The-Complete-Guide-to-Grades-of-Chain-and-Their-Uses.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/The-Complete-Guide-to-Grades-of-Chain-and-Their-Uses-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/h2>\n<h2><strong>Jak\u00e9 jsou stupn\u011b tvrdosti \u0159et\u011bzu?<\/strong><\/h2>\n<p>P\u0159i n\u00e1kupu a pou\u017e\u00edv\u00e1n\u00ed sva\u0159ovan\u00fdch \u0159et\u011bz\u016f \u010dasto pou\u017e\u00edv\u00e1me zna\u010dky jako G30, G43, G70, G80, G100 a G120. Tyto k\u00f3dy ozna\u010duj\u00ed pevnost v tahu r\u016fzn\u00fdch \u0159et\u011bz\u016f a jsou d\u016fle\u017eit\u00fdmi parametry pro m\u011b\u0159en\u00ed jejich pevnosti a vhodnosti pro r\u016fzn\u00e9 aplikace. V r\u016fzn\u00fdch pr\u016fmyslov\u00fdch, dopravn\u00edch a ka\u017edodenn\u00edch aplikac\u00edch m\u00e1 v\u00fdb\u011br spr\u00e1vn\u00e9 zna\u010dky \u0159et\u011bzu nejen vliv na efektivitu pr\u00e1ce, ale tak\u00e9 p\u0159\u00edmo na bezpe\u010dnost p\u0159i pou\u017e\u00edv\u00e1n\u00ed. Nap\u0159\u00edklad \u0159et\u011bzy G30 jsou vyrobeny z uhl\u00edkov\u00e9 oceli a obecn\u011b se pou\u017e\u00edvaj\u00ed pro lehk\u00e9 pevn\u00e9 nebo dekorativn\u00ed aplikace, zat\u00edmco \u0159et\u011bzy G80 a vy\u0161\u0161\u00ed zna\u010dky jsou vyrobeny z legovan\u00e9 oceli a jsou speci\u00e1ln\u011b navr\u017eeny pro zved\u00e1n\u00ed a t\u011b\u017ek\u00e9 aplikace.<\/p>\n<p>Tento \u010dl\u00e1nek v\u00e1m podrobn\u011b vysv\u011btl\u00ed vlastnosti a pou\u017eit\u00ed jednotliv\u00fdch druh\u016f sva\u0159ovan\u00fdch \u0159et\u011bz\u016f a pom\u016f\u017ee v\u00e1m pochopit jejich rozd\u00edly, abyste se mohli p\u0159i n\u00e1kupu a pou\u017e\u00edv\u00e1n\u00ed r\u016fzn\u00fdch typ\u016f \u0159et\u011bz\u016f rozhodnout co nejspr\u00e1vn\u011bji.<\/p>\n<h2><strong>Jak se klasifikuj\u00ed \u0159et\u011bzov\u00e9 t\u0159\u00eddy<\/strong><\/h2>\n<figure id=\"attachment_16365\" aria-describedby=\"caption-attachment-16365\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16365\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/Chain-Grade-vs-WLL-MBF.jpg\" alt=\"\u0158et\u011bzov\u00e1 t\u0159\u00edda vs. WLL MBF\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/Chain-Grade-vs-WLL-MBF.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/Chain-Grade-vs-WLL-MBF-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-16365\" class=\"wp-caption-text\"><span style=\"color: #808080;\"><em><strong>Pozn\u00e1mka:<\/strong> Tato tabulka slou\u017e\u00ed pouze pro ilustraci vztahu mezi nosnost\u00ed na nohu (WLL) a nosnost\u00ed na nohu (MBF). Skute\u010dn\u00e9 hodnoty jednotliv\u00fdch t\u0159\u00edd \u0159et\u011bzu se budou li\u0161it v z\u00e1vislosti na pr\u016fm\u011bru \u0159et\u011bzu, velikosti a dal\u0161\u00edch faktorech.<\/em><\/span><\/figcaption><\/figure>\n<p>T\u0159\u00eddy \u0159et\u011bz\u016f se prim\u00e1rn\u011b klasifikuj\u00ed na z\u00e1klad\u011b jejich materi\u00e1lu, v\u00fdrobn\u00edho procesu a pevnosti v tahu. Tento syst\u00e9m klasifikace se vztahuje v\u00fdhradn\u011b na sva\u0159ovan\u00e9 ocelov\u00e9 \u0159et\u011bzy a nen\u00ed ur\u010den pro... <a href=\"https:\/\/tuohaihardware.com\/cs\/nerezovy-ocelovy-retez\/\" target=\"_blank\" rel=\"noopener\">nerezov\u00e9 \u0159et\u011bzy<\/a> nebo <a href=\"https:\/\/tuohaihardware.com\/cs\/nesvarovany-retez\/\" target=\"_blank\" rel=\"noopener\">nesva\u0159ovac\u00ed \u0159et\u011bzy<\/a>.<\/p>\n<p>\u201eG\u201c znamen\u00e1 \u201estupe\u0148\u201c a \u010d\u00edslo za n\u00edm ozna\u010duje minim\u00e1ln\u00ed stupe\u0148 pevnosti v tahu materi\u00e1lu \u0159et\u011bzu. Nap\u0159\u00edklad \u0159et\u011bz G80 znamen\u00e1, \u017ee nejni\u017e\u0161\u00ed pevnost v tahu jeho materi\u00e1lu je 550 MPa, co\u017e je p\u0159ibli\u017en\u011b 80 000 Psi.<\/p>\n<p>Za druh\u00e9, \u0159et\u011bzy n\u00edzk\u00e9 jakosti jsou obvykle vyrobeny z uhl\u00edkov\u00e9 oceli, jako jsou \u0159et\u011bzy G30, G43 a G70, zat\u00edmco \u0159et\u011bzy G80 a vy\u0161\u0161\u00ed jakosti pou\u017e\u00edvaj\u00ed legovanou ocel s vy\u0161\u0161\u00ed pevnost\u00ed a hou\u017eevnatost\u00ed, co\u017e vy\u017eaduje p\u0159\u00edsn\u00e9 procesy tepeln\u00e9ho zpracov\u00e1n\u00ed.<\/p>\n<p>Krom\u011b toho n\u011bkter\u00e9 mezin\u00e1rodn\u00ed normy (jako nap\u0159\u00edklad ISO 3076, EN 818, ASME B30.9 atd.) obsahuj\u00ed tak\u00e9 podrobn\u00e1 pravidla a po\u017eadavky na materi\u00e1l, rozm\u011bry a v\u00fdkon jednotliv\u00fdch t\u0159\u00edd, aby se zajistilo, \u017ee \u0159et\u011bzy budou m\u00edt stejn\u00fd standard po cel\u00e9m sv\u011bt\u011b.<\/p>\n<h2>Podrobn\u00e9 vysv\u011btlen\u00ed jakost\u00ed a pou\u017eit\u00ed \u0159et\u011bz\u016f<\/h2>\n<h3><a href=\"https:\/\/tuohaihardware.com\/cs\/proof-civkovy-retez\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>\u0158et\u011bz c\u00edvky G30 Proof<\/b><\/strong><\/span><\/a><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16371 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G30-Proof-Coil-Chain.jpg\" alt=\"\u0158et\u011bz c\u00edvky G30 Proof\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G30-Proof-Coil-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G30-Proof-Coil-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G30 je vyroben z n\u00edzkouhl\u00edkov\u00e9 oceli s n\u00edzkou pevnost\u00ed v tahu, p\u0159ibli\u017en\u011b 30 000 Psi, a povrch je v\u011bt\u0161inou pozinkovan\u00fd nebo jednobarevn\u00fd.<br \/>\nCharakteristick\u00fdm rysem tohoto \u0159et\u011bzu je n\u00edzk\u00e1 cena, zam\u011b\u0159en\u00e1 na flexibilitu a n\u00edzk\u00e9 n\u00e1klady, nikoli na vysokou pevnost. Pou\u017e\u00edv\u00e1 se hlavn\u011b pro n\u011bkter\u00e9 aplikace s n\u00edzk\u00fdm zat\u00ed\u017een\u00edm, jako nap\u0159\u00edklad:<\/p>\n<ul>\n<li>Upevn\u011bn\u00ed lehk\u00fdch b\u0159emen, jako je zem\u011bd\u011blsk\u00e9 n\u00e1\u0159ad\u00ed, plotov\u00e9 br\u00e1ny, p\u0159\u00edst\u0159e\u0161ky, zahradn\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li>Lehk\u00e9 kotvi\u0161t\u011b nebo b\u00f3je pro mal\u00e9 lod\u011b a doky (ne pro t\u011b\u017ek\u00e9 n\u00e1mo\u0159n\u00ed pr\u00e1ce).<\/li>\n<li>Dekorativn\u00ed nebo v\u00fdstavn\u00ed \u0159et\u011bz (komer\u010dn\u00ed nebo maloobchodn\u00ed vystaven\u00ed).<\/li>\n<\/ul>\n<p>Proto\u017ee je \u0159et\u011bz G30 n\u00edzk\u00e1 pevnost, nen\u00ed ur\u010den pro \u017e\u00e1dn\u00e9 <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/zavesny-zvedaci-retez\/\">zved\u00e1n\u00ed nad hlavou<\/a>, a nen\u00ed vhodn\u00fd pro r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed ani pro podm\u00ednky s vysok\u00fdm opot\u0159eben\u00edm.<\/p>\n<h3><a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/retez-g43\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong><b>G43 High Test \u0158et\u011bz<\/b><\/strong><\/span><\/a><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16372 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G43-High-Test-Chain.jpg\" alt=\"G43 High Test \u0158et\u011bz\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G43-High-Test-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G43-High-Test-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G43 je vyroben z vysoce uhl\u00edkov\u00e9 oceli, tak\u017ee jeho pevnost je mnohem vy\u0161\u0161\u00ed ne\u017e u \u0159et\u011bzu G30, pevnost v tahu je p\u0159ibli\u017en\u011b 43 000 Psi. Lze jej pou\u017e\u00edt pro n\u011bkter\u00e9 aplikace s vy\u0161\u0161\u00edm zat\u00ed\u017een\u00edm, jako je v\u00e1z\u00e1n\u00ed n\u00e1kladu, upev\u0148ov\u00e1n\u00ed p\u0159\u00edv\u011bs\u016f, ta\u017een\u00ed lehk\u00fdch p\u0159\u00edv\u011bs\u016f a do\u010dasn\u00e9 upevn\u011bn\u00ed na staveni\u0161t\u00edch.<\/p>\n<p>\u0158et\u011bz G43 se tak\u00e9 \u010dasto pou\u017e\u00edv\u00e1 v dopravn\u00edm pr\u016fmyslu v Severn\u00ed Americe, Austr\u00e1lii atd., ale nejedn\u00e1 se o specifikovanou t\u0159\u00eddu pro \u201ep\u0159epravn\u00ed \u0159et\u011bz\u201c (t\u0159\u00edda p\u0159epravn\u00edho \u0159et\u011bzu je G70). Pokud je tedy rozpo\u010det omezen\u00fd a nezahrnuje silni\u010dn\u00ed inspekci DOT nebo vynucov\u00e1n\u00ed v\u00e1\u017een\u00ed, je G43 ekonomi\u010dt\u011bj\u0161\u00ed volbou. Pokud se jedn\u00e1 o kontrolu na d\u00e1lnici a p\u0159epravu t\u011b\u017ek\u00e9ho zbo\u017e\u00ed, zvolte nejprve G70.<\/p>\n<p>Krom\u011b toho, proto\u017ee hou\u017eevnatost a bezpe\u010dnostn\u00ed faktor \u0159et\u011bzu G43 nespl\u0148uj\u00ed normy pro zved\u00e1n\u00ed, nen\u00ed ani ur\u010den pro pr\u00e1ci ve vysok\u00fdch nadmo\u0159sk\u00fdch v\u00fd\u0161k\u00e1ch.<\/p>\n<h3><a href=\"https:\/\/tuohaihardware.com\/cs\/prepravni-retezec-g70\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong>P\u0159epravn\u00ed \u0159et\u011bz G70<\/strong><\/span><\/a><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16373 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G70-Transport-Chain.jpg\" alt=\"P\u0159epravn\u00ed \u0159et\u011bz G70\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G70-Transport-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G70-Transport-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G70 se \u0161iroce pou\u017e\u00edv\u00e1 k zaji\u0161t\u011bn\u00ed n\u00e1kladu b\u011bhem p\u0159epravy. Obvykle je vyroben z vysoce uhl\u00edkov\u00e9 oceli a byl tepeln\u011b zpracov\u00e1n, jeho\u017e pevnost v tahu je p\u0159ibli\u017en\u011b 70 000 Psi.<\/p>\n<p>Povrch \u0159et\u011bzu G70 je obvykle pozinkovan\u00fd a o\u0161et\u0159en\u00fd \u017elutou chrom\u00e1tovou pasivac\u00ed, co\u017e m\u00e1 dobrou odolnost proti korozi, snadnou identifikaci a pom\u00e1h\u00e1 p\u0159i silni\u010dn\u00edch kontrol\u00e1ch, \u010d\u00edm\u017e zvy\u0161uje bezpe\u010dnost. Nap\u0159\u00edklad v dopravn\u00edch p\u0159edpisech americk\u00e9ho ministerstva dopravy plat\u00ed, \u017ee kdy\u017e n\u00e1kladn\u00ed automobily... <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/uvazat-retez\/\">p\u0159iv\u00e1zat<\/a> d\u0159evo a ocelov\u00e9 svitky, mus\u00ed pou\u017e\u00edvat p\u0159epravn\u00ed \u0159et\u011bzy G70 a \u017elut\u00fd n\u00e1t\u011br usnad\u0148uje jejich identifikaci p\u0159i silni\u010dn\u00edch kontrol\u00e1ch.<\/p>\n<h3><a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/retez-g80\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\"><strong>Zvedac\u00ed \u0159et\u011bz ze slitiny G80<\/strong><\/span><\/a><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16374 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G80-Alloy-Lifting-Chain.jpg\" alt=\"Zvedac\u00ed \u0159et\u011bz ze slitiny G80\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G80-Alloy-Lifting-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G80-Alloy-Lifting-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G80 je vyroben z vysoce kvalitn\u00ed legovan\u00e9 oceli (s p\u0159\u00eddavkem prvk\u016f, jako je mangan, bor, chrom, molybden atd.) a proch\u00e1z\u00ed p\u0159\u00edsn\u00fdm tepeln\u00fdm zpracov\u00e1n\u00edm. Tento \u0159et\u011bz m\u00e1 vynikaj\u00edc\u00ed pevnost a hou\u017eevnatost, jeho pevnost v tahu je p\u0159ibli\u017en\u011b 80 000 psi, co\u017e z n\u011bj \u010din\u00ed nejpou\u017e\u00edvan\u011bj\u0161\u00ed \u0159et\u011bz ve zdvihac\u00edm a zdvihac\u00edm pr\u016fmyslu. Povrch \u0159et\u011bzu G80 je obvykle \u010dern\u011bn, aby se zv\u00fd\u0161ila odolnost proti opot\u0159eben\u00ed a zabr\u00e1nilo se ru\u0161en\u00ed odrazem sv\u011btla.<\/p>\n<p>\u0158et\u011bz G80 spl\u0148uje po\u017eadavky r\u016fzn\u00fdch mezin\u00e1rodn\u00edch norem, jako jsou ISO, EN 818-2, AS 3775 a ASME B30.9. Jeho bezpe\u010dnostn\u00ed faktor je obvykle 4:1 nebo vy\u0161\u0161\u00ed, d\u00edky \u010demu\u017e je vhodn\u00fd pro t\u011b\u017ek\u00e1 za\u0159\u00edzen\u00ed, staveni\u0161t\u011b, je\u0159\u00e1by, stropn\u00ed zved\u00e1n\u00ed a aplikace s vysok\u00fdm n\u00e1razem.<\/p>\n<h3><span style=\"color: #0000ff;\"><strong>\u0158et\u011bz z pr\u00e9miov\u00e9 slitiny G100<\/strong><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16375 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G100-Premium-Alloy-Chain.jpg\" alt=\"\u0158et\u011bz z pr\u00e9miov\u00e9 slitiny G100\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G100-Premium-Alloy-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G100-Premium-Alloy-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G100 je vyroben z vysokopevnostn\u00ed slitiny a vy\u017eaduje p\u0159\u00edsn\u011bj\u0161\u00ed proces tepeln\u00e9ho zpracov\u00e1n\u00ed. Jeho nosnost (WLL) je o v\u00edce ne\u017e 20% vy\u0161\u0161\u00ed ne\u017e u \u0159et\u011bzu G80 stejn\u00e9ho pr\u016fm\u011bru a velikosti a je leh\u010d\u00ed. Povrch \u0159et\u011bzu G80 je obvykle modr\u00fd, tak\u017ee je snadno rozli\u0161iteln\u00fd.<\/p>\n<p>Bezpe\u010dnostn\u00ed faktor \u0159et\u011bzu G100 je nejm\u00e9n\u011b 4:1. Spl\u0148uje normy pro zvedac\u00ed \u0159et\u011bzy, jako jsou EN, ISO, ASME a AS atd. Pou\u017e\u00edv\u00e1 se hlavn\u011b pro zved\u00e1n\u00ed s vysokou pevnost\u00ed a pro r\u016fzn\u00e9 zdvihac\u00ed nebo manipula\u010dn\u00ed aplikace s p\u0159\u00edsn\u011bj\u0161\u00edmi po\u017eadavky na zat\u00ed\u017een\u00ed a bezpe\u010dnost.<\/p>\n<h3><span style=\"color: #0000ff;\"><strong>\u0158et\u011bz G120 s ultra vysokou pevnost\u00ed<\/strong><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16376 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G120-Ultra-High-Strength-Chain.jpg\" alt=\"\u0158et\u011bz G120 s ultra vysokou pevnost\u00ed\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G120-Ultra-High-Strength-Chain.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/G120-Ultra-High-Strength-Chain-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u0158et\u011bz G120 pou\u017e\u00edv\u00e1 slo\u017eit\u011bj\u0161\u00ed slitinov\u00fd materi\u00e1l a proces tepeln\u00e9ho zpracov\u00e1n\u00ed, co\u017e d\u00e1le zvy\u0161uje jeho pevnost. M\u00e1 p\u0159\u00edsn\u011bj\u0161\u00ed po\u017eadavky na \u010distotu materi\u00e1lu, kvalitu sva\u0159ov\u00e1n\u00ed a rovnom\u011brnost tepeln\u00e9ho zpracov\u00e1n\u00ed. Povrch m\u00e1 \u010dasto zelen\u00fd povlak jako identifika\u010dn\u00ed barvu, ale tato barva nen\u00ed specifikov\u00e1na mezin\u00e1rodn\u00edmi normami a trval\u00e9 ozna\u010den\u00ed na \u0159et\u011bzu a certifik\u00e1t by m\u011bly b\u00fdt pova\u017eov\u00e1ny za standard.<\/p>\n<p>\u0158et\u011bz G120 spl\u0148uje standardy vysoce kvalitn\u00edch zvedac\u00edch \u0159et\u011bz\u016f a lan a m\u00e1 plnou sledovatelnost (\u010d\u00edslo \u0161ar\u017ee pece, \u0161ar\u017ee tepeln\u00e9ho zpracov\u00e1n\u00ed, inspek\u010dn\u00ed protokol). U n\u011bkter\u00fdch vysoce rizikov\u00fdch nebo hodnotn\u00fdch projekt\u016f m\u016f\u017ee b\u00fdt tak\u00e9 vy\u017eadov\u00e1no proveden\u00ed sv\u011bdeck\u00fdch zkou\u0161ek t\u0159et\u00ed stranou a z\u00e1znamy o nedestruktivn\u00edm zkou\u0161en\u00ed (magnetick\u00fdmi \u010d\u00e1sticemi nebo ultrazvukem).<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16377 aligncenter\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/How-to-Choose-the-Right-Chain-Grade-for-Your-Application.jpg\" alt=\"Jak vybrat spr\u00e1vnou jakost \u0159et\u011bzu pro va\u0161i aplikaci\" width=\"600\" height=\"400\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/How-to-Choose-the-Right-Chain-Grade-for-Your-Application.jpg 600w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2025\/08\/How-to-Choose-the-Right-Chain-Grade-for-Your-Application-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/h2>\n<p>&nbsp;<\/p>\n<p>P\u0159i v\u00fdb\u011bru spr\u00e1vn\u00e9 t\u0159\u00eddy \u0159et\u011bzu je t\u0159eba zv\u00e1\u017eit mnoho faktor\u016f. Krom\u011b materi\u00e1lu tedy, <a href=\"https:\/\/www.inoxcast.com\/surface-treatments\/\" target=\"_blank\" rel=\"noopener\">povrchov\u00e1 \u00faprava<\/a>, a prost\u0159ed\u00ed pou\u017eit\u00ed \u0159et\u011bzu, je t\u0159eba v\u011bnovat zvl\u00e1\u0161tn\u00ed pozornost tak\u00e9 jakosti \u0159et\u011bzu. Vzhledem k rozd\u00edl\u016fm v materi\u00e1lu a v\u00fdrobn\u00edm procesu maj\u00ed \u0159et\u011bzy r\u016fzn\u00fdch jakost\u00ed zjevn\u00e9 rozd\u00edly v nosnosti WLL a MBF, co\u017e ur\u010duje jejich rozsah pou\u017eit\u00ed:<\/p>\n<ul>\n<li><strong>Lehk\u00e9 zat\u00ed\u017een\u00ed, ka\u017edodenn\u00ed pou\u017eit\u00ed:<\/strong> Vyberte si G30, G43 atd. Jsou levn\u00e9, s vysokou hou\u017eevnatost\u00ed, velmi vhodn\u00e9 pro zem\u011bd\u011blstv\u00ed, ploty, dekorace a upev\u0148ov\u00e1n\u00ed lehk\u00e9ho zbo\u017e\u00ed p\u0159i ka\u017edodenn\u00edm pou\u017e\u00edv\u00e1n\u00ed.<\/li>\n<li><strong>P\u0159eprava a t\u011b\u017e\u0161\u00ed n\u00e1klady:<\/strong> Zvolte G70. Transportn\u00ed \u0159et\u011bz G70 je standardn\u00ed volbou v dopravn\u00edm pr\u016fmyslu, zejm\u00e9na u p\u0159\u00edv\u011bs\u016f nebo n\u00e1kladn\u00edch automobil\u016f pro upevn\u011bn\u00ed n\u00e1kladu. \u017dlut\u00fd povlak m\u016f\u017ee zabr\u00e1nit korozi p\u0159i dlouhodob\u00e9m venkovn\u00edm pou\u017e\u00edv\u00e1n\u00ed a usnad\u0148uje jeho rychlou identifikaci.<\/li>\n<li><strong>Pr\u016fmyslov\u00e9 zved\u00e1n\u00ed:<\/strong> Zvolte \u0159et\u011bz t\u0159\u00eddy G80 nebo vy\u0161\u0161\u00ed. Tento typ \u0159et\u011bzu spl\u0148uje mezin\u00e1rodn\u00ed normy pro zved\u00e1n\u00ed, m\u00e1 vynikaj\u00edc\u00ed hou\u017eevnatost, pevnost a odolnost proti n\u00e1razu a je vhodn\u00fd pro v\u0161echny druhy manipulace, zved\u00e1n\u00ed t\u011b\u017ek\u00fdch za\u0159\u00edzen\u00ed a \u010dast\u00e9 zved\u00e1n\u00ed a spou\u0161t\u011bn\u00ed, co\u017e zaji\u0161\u0165uje bezpe\u010dnost p\u0159i pou\u017e\u00edv\u00e1n\u00ed.<\/li>\n<li><strong>Vy\u0161\u0161\u00ed po\u017eadavky na pevnost a bezpe\u010dnost:<\/strong> Zvolte t\u0159\u00eddu G100 nebo G120. Maj\u00ed vy\u0161\u0161\u00ed pevnost a ni\u017e\u0161\u00ed hmotnost ne\u017e \u0159et\u011bz G80. P\u0159i stejn\u00e9m pr\u016fm\u011bru a velikosti poskytuj\u00ed v\u011bt\u0161\u00ed bezpe\u010dnost a vy\u0161\u0161\u00ed nosnost ne\u017e \u0159et\u011bz G80.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Stru\u010dn\u011b \u0159e\u010deno,<\/strong> V\u00fdb\u011br spr\u00e1vn\u00fdch typ\u016f \u0159et\u011bz\u016f zaji\u0161\u0165uje optim\u00e1ln\u00ed v\u00fdkon, shodu s normami a bezpe\u010dn\u00fd a spolehliv\u00fd provoz pro va\u0161i konkr\u00e9tn\u00ed aplikaci. Pro podrobn\u011bj\u0161\u00ed pokyny nebo specifikace pros\u00edm <a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\" target=\"_blank\" rel=\"noopener\">kontaktujte Tuohaie<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Are the Grades of the Chain? When purchasing and using welded chains, we often refer to chain grades such as G30, G43, G70, G80, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16379,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"","ast-breadcrumbs-content":"","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":[],"class_list":["post-16361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Complete Guide to Grades of Chain and Their Uses - Tuohai Hardware<\/title>\n<meta name=\"description\" content=\"Explore grades of chain from G30 to G120. 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