{"id":3943,"date":"2024-06-27T14:31:11","date_gmt":"2024-06-27T14:31:11","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3943"},"modified":"2024-07-01T01:14:13","modified_gmt":"2024-07-01T01:14:13","slug":"303-vs-440-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/cs\/bolg\/303-vs-440-stainless-steel\/","title":{"rendered":"Nerezov\u00e1 ocel 303 vs 440: Nev\u00fdhody, v\u00fdhody, vlastnosti, pou\u017eit\u00ed"},"content":{"rendered":"<h4>Obsah<\/h4>\n<ul>\n<li><a href=\"#disadvantages-advantages-of-440-vs-303-stainless-steel\">Nev\u00fdhody a v\u00fdhody nerezov\u00e9 oceli 440 vs 303<\/a><\/li>\n<li><a href=\"#what-is-303-and-440-stainless-steel-equivalent-to\">Co je ekvivalentem nerezov\u00e9 oceli 303 a 440?<\/a><\/li>\n<li><a href=\"#uses-of-440-vs-303-stainless-steel\">Pou\u017eit\u00ed nerezov\u00e9 oceli 440 vs 303<\/a><\/li>\n<li><a href=\"#corrosion-resistance-of-303-stainless-steel\">Odolnost proti korozi nerezov\u00e9 oceli 303<\/a><\/li>\n<li><a href=\"#composition-analysis-of-303-vs-440-stainless-steel\">Anal\u00fdza slo\u017een\u00ed nerezov\u00e9 oceli 303 vs 440<\/a><\/li>\n<li><a href=\"#physical-properties-of-303-stainless-steel\">Fyzik\u00e1ln\u00ed vlastnosti nerezov\u00e9 oceli 303<\/a><\/li>\n<li><a href=\"#mechanical-properties-of-440-stainless-steel\">Mechanick\u00e9 vlastnosti nerezov\u00e9 oceli 440<\/a><\/li>\n<li><a href=\"#is-304-stainless-steel-better-than-440-stainless-steel\">Je nerezov\u00e1 ocel 304 lep\u0161\u00ed ne\u017e nerezov\u00e1 ocel 440?<\/a><\/li>\n<li><a href=\"#conclusion\">Z\u00e1v\u011br<\/a><\/li>\n<\/ul>\n<p>\u201eNerezov\u00e1 ocel 303 vs 440: Zkoum\u00e1n\u00ed odolnosti, obrobitelnosti a v\u0161estrannosti pro r\u016fzn\u00e9 aplikace\u201c<\/p>\n<p>Nerezov\u00e1 ocel je vysoce univerz\u00e1ln\u00ed materi\u00e1l, kter\u00fd se d\u00edky sv\u00e9 odolnosti proti korozi a pevnosti vyzna\u010duje v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. Dv\u011b b\u011b\u017en\u00e9 t\u0159\u00eddy nerezov\u00e9 oceli jsou 303 a 440, z nich\u017e ka\u017ed\u00e1 m\u00e1 jedine\u010dn\u00e9 vlastnosti, v\u00fdhody a nev\u00fdhody, d\u00edky nim\u017e je vhodn\u00e1 pro specifick\u00e9 aplikace. Pochopen\u00ed rozd\u00edl\u016f mezi t\u011bmito dv\u011bma typy nerezov\u00e9 oceli je kl\u00ed\u010dov\u00e9 pro v\u00fdb\u011br vhodn\u00e9 t\u0159\u00eddy pro konkr\u00e9tn\u00ed pou\u017eit\u00ed. Tento \u00favod prozkoum\u00e1 vlastnosti, v\u00fdhody, nev\u00fdhody a typick\u00e1 pou\u017eit\u00ed nerezov\u00e9 oceli 303 a 440 a poskytne z\u00e1kladn\u00ed pohled na jejich praktick\u00e9 a pr\u016fmyslov\u00e9 aplikace.<\/p>\n<h2 id=\"disadvantages-advantages-of-440-vs-303-stainless-steel\">Nev\u00fdhody a v\u00fdhody nerezov\u00e9 oceli 440 vs 303<\/h2>\n<p>Nerezov\u00e1 ocel, slitina slo\u017een\u00e1 p\u0159ev\u00e1\u017en\u011b ze \u017eeleza, chr\u00f3mu a niklu, je zn\u00e1m\u00e1 svou odolnost\u00ed proti korozi a pevnost\u00ed. Dv\u011b b\u011b\u017en\u00e9 t\u0159\u00eddy nerezov\u00e9 oceli jsou 303 a 440, z nich\u017e ka\u017ed\u00e1 m\u00e1 jedine\u010dn\u00e9 vlastnosti, kter\u00e9 vyhovuj\u00ed r\u016fzn\u00fdm aplikac\u00edm nap\u0159\u00ed\u010d pr\u016fmyslov\u00fdmi odv\u011btv\u00edmi. P\u0159i porovn\u00e1v\u00e1n\u00ed t\u011bchto dvou je v\u0161ak z\u00e1sadn\u00ed zv\u00e1\u017eit jejich v\u00fdhody i nev\u00fdhody, abychom pochopili jejich vhodnost pro konkr\u00e9tn\u00ed \u00fa\u010dely.<\/p>\n<h3>V\u00fdhody nerezov\u00e9 oceli 303<\/h3>\n<ul>\n<li>V\u00fdborn\u00e1 obrobitelnost d\u00edky p\u0159idan\u00e9 s\u00ed\u0159e.<\/li>\n<li>Dobr\u00e1 povrchov\u00e1 \u00faprava.<\/li>\n<li>Vhodn\u00e9 pro slo\u017eit\u00e9 obr\u00e1b\u011bc\u00ed pr\u00e1ce, zejm\u00e9na p\u0159i v\u00fdrob\u011b armatur a spojovac\u00edch prvk\u016f.<\/li>\n<\/ul>\n<h3>Nev\u00fdhody nerezov\u00e9 oceli 303<\/h3>\n<ul>\n<li>Sn\u00ed\u017een\u00e1 odolnost proti korozi ve srovn\u00e1n\u00ed s jin\u00fdmi austenitick\u00fdmi t\u0159\u00eddami.<\/li>\n<li>Nen\u00ed ide\u00e1ln\u00ed pro mo\u0159sk\u00e9 prost\u0159ed\u00ed nebo prost\u0159ed\u00ed s vysok\u00fdm obsahem chlorid\u016f.<\/li>\n<\/ul>\n<h3>V\u00fdhody nerezov\u00e9 oceli 440<\/h3>\n<ul>\n<li>Vysok\u00e1 tvrdost a odolnost proti opot\u0159eben\u00ed d\u00edky vysok\u00e9mu obsahu uhl\u00edku.<\/li>\n<li>Lze tepeln\u011b zpracovat pro zv\u00fd\u0161en\u00ed tvrdosti a pevnosti.<\/li>\n<li>Ide\u00e1ln\u00ed pro \u0159ezn\u00e9 n\u00e1stroje, no\u017ee a aplikace vy\u017eaduj\u00edc\u00ed udr\u017een\u00ed ostr\u00e9 hrany.<\/li>\n<\/ul>\n<h3>Nev\u00fdhody nerezov\u00e9 oceli 440<\/h3>\n<ul>\n<li>Obt\u00ed\u017en\u00e9 opracov\u00e1n\u00ed kv\u016fli tvrdosti.<\/li>\n<li>Zv\u00fd\u0161en\u00e9 opot\u0159eben\u00ed n\u00e1stroj\u016f a vy\u0161\u0161\u00ed v\u00fdrobn\u00ed n\u00e1klady.<\/li>\n<li>M\u00e9n\u011b odoln\u00e9 v\u016f\u010di korozi ve srovn\u00e1n\u00ed s austenitick\u00fdmi nebo duplexn\u00edmi nerezov\u00fdmi ocelmi vy\u0161\u0161\u00ed jakosti.<\/li>\n<\/ul>\n<h2 id=\"what-is-303-and-440-stainless-steel-equivalent-to\">Co je ekvivalentem nerezov\u00e9 oceli 303 a 440?<\/h2>\n<p>Nerezov\u00e9 oceli 303 a 440 jsou \u0161iroce pou\u017e\u00edv\u00e1ny v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch d\u00edky sv\u00fdm jedine\u010dn\u00fdm vlastnostem a charakteristik\u00e1m. Pochopen\u00ed jejich ekvivalent\u016f v jin\u00fdch norm\u00e1ch m\u016f\u017ee pomoci p\u0159i identifikaci jejich glob\u00e1ln\u00edch aplikac\u00ed a kompatibility s jin\u00fdmi materi\u00e1ly.<\/p>\n<h3>Ekvivalentn\u00ed zn\u00e1mky<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>Standard<\/th>\n<th>Nerezov\u00e1 ocel 303<\/th>\n<th>440 Nerezov\u00e1 ocel<\/th>\n<\/tr>\n<tr>\n<td>EN<\/td>\n<td>1.4305<\/td>\n<td>1.4125<\/td>\n<\/tr>\n<tr>\n<td>UNS<\/td>\n<td>S30300<\/td>\n<td>S44004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Vlastnosti a pou\u017eit\u00ed<\/h3>\n<ul>\n<li>Nerezov\u00e1 ocel 303: Vynikaj\u00edc\u00ed obrobitelnost, pou\u017e\u00edv\u00e1 se pro \u0161rouby, matice, svorn\u00edky a tvarovky.<\/li>\n<li>Nerezov\u00e1 ocel 440: Vysok\u00e1 tvrdost a odolnost proti opot\u0159eben\u00ed, pou\u017e\u00edv\u00e1 se pro p\u0159\u00edbory, lo\u017eiska a chirurgick\u00e9 n\u00e1stroje.<\/li>\n<\/ul>\n<h2 id=\"uses-of-440-vs-303-stainless-steel\">Pou\u017eit\u00ed nerezov\u00e9 oceli 440 vs 303<\/h2>\n<p>Nerezov\u00e1 ocel, slitina prim\u00e1rn\u011b slo\u017een\u00e1 ze \u017eeleza, uhl\u00edku a chr\u00f3mu, je zn\u00e1m\u00e1 svou odolnost\u00ed proti korozi a pevnost\u00ed. R\u016fzn\u00e9 typy nerezov\u00e9 oceli jsou kategorizov\u00e1ny na z\u00e1klad\u011b jejich mikrostruktury a konkr\u00e9tn\u00edch procent pou\u017eit\u00fdch slo\u017eek. Mezi nimi jsou \u0161iroce uzn\u00e1v\u00e1ny druhy nerezov\u00e9 oceli 303 a 440, z nich\u017e ka\u017ed\u00e1 slou\u017e\u00ed odli\u0161n\u00fdm \u00fa\u010del\u016fm v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch d\u00edky sv\u00fdm jedine\u010dn\u00fdm vlastnostem.<\/p>\n<h3>Pou\u017eit\u00ed nerezov\u00e9 oceli 303<\/h3>\n<ul>\n<li>Kov\u00e1n\u00ed<\/li>\n<li>\u0160rouby<\/li>\n<li>O\u0159echy<\/li>\n<li>\u0160rouby<\/li>\n<\/ul>\n<h3>Pou\u017eit\u00ed nerezov\u00e9 oceli 440<\/h3>\n<ul>\n<li>P\u0159\u00edbory<\/li>\n<li>Lo\u017eiska<\/li>\n<li>Chirurgick\u00e9 n\u00e1stroje<\/li>\n<li>Komponenty s vysok\u00fdm opot\u0159eben\u00edm<\/li>\n<\/ul>\n<h2 id=\"corrosion-resistance-of-303-stainless-steel\">Odolnost proti korozi nerezov\u00e9 oceli 303<\/h2>\n<p>Nerezov\u00e1 ocel 303, austenitick\u00e1 chromniklov\u00e1 slitina, je speci\u00e1ln\u011b navr\u017eena tak, aby vykazovala zlep\u0161enou obrobitelnost p\u0159i zachov\u00e1n\u00ed dobr\u00fdch mechanick\u00fdch vlastnost\u00ed a odolnosti proti korozi. Tento p\u0159\u00eddavek v\u0161ak m\u00edrn\u011b sni\u017euje jeho odolnost proti korozi, zejm\u00e9na ve srovn\u00e1n\u00ed s nerezovou ocel\u00ed \u0159ady 440.<\/p>\n<h3>Charakteristika odolnosti proti korozi<\/h3>\n<ul>\n<li>Dobr\u00e1 odolnost v\u016f\u010di m\u00edrn\u00fdm atmosf\u00e9rick\u00fdm podm\u00ednk\u00e1m a m\u00edrn\u00fdm kyselin\u00e1m.<\/li>\n<li>M\u00e9n\u011b \u00fa\u010dinn\u00fd v prost\u0159ed\u00edch obsahuj\u00edc\u00edch chloridy nebo jin\u00e9 halogenidy kv\u016fli obsahu s\u00edry.<\/li>\n<\/ul>\n<h3>Srovn\u00e1vac\u00ed odolnost proti korozi<\/h3>\n<p>Zat\u00edmco nerezov\u00e1 ocel 303 nab\u00edz\u00ed vynikaj\u00edc\u00ed obrobitelnost, jej\u00ed v\u00fdkon ve vysoce korozivn\u00edm prost\u0159ed\u00ed m\u016f\u017ee b\u00fdt ve srovn\u00e1n\u00ed s nerezovou ocel\u00ed 440 nedostate\u010dn\u00fd. D\u00edky sv\u00e9 vynikaj\u00edc\u00ed odolnosti proti korozi a tvrdosti je vhodn\u00fd pro n\u00e1ro\u010dn\u011bj\u0161\u00ed aplikace, zejm\u00e9na tam, kde se p\u0159edpokl\u00e1d\u00e1 vystaven\u00ed chlorid\u016fm nebo extr\u00e9mn\u00edm podm\u00ednk\u00e1m.<\/p>\n<h2 id=\"composition-analysis-of-303-vs-440-stainless-steel\">Anal\u00fdza slo\u017een\u00ed nerezov\u00e9 oceli 303 vs 440<\/h2>\n<p>Nerezov\u00e1 ocel, slitina slo\u017een\u00e1 p\u0159ev\u00e1\u017en\u011b ze \u017eeleza, chr\u00f3mu a uhl\u00edku, je zn\u00e1m\u00e1 svou odolnost\u00ed proti korozi a pevnost\u00ed. Dv\u011b b\u011b\u017en\u00e9 t\u0159\u00eddy nerezov\u00e9 oceli jsou 303 a 440, z nich\u017e ka\u017ed\u00e1 m\u00e1 jedine\u010dn\u00e9 chemick\u00e9 slo\u017een\u00ed, kter\u00e9 prop\u016fj\u010duje odli\u0161n\u00e9 vlastnosti a vhodnost pro specifick\u00e9 aplikace.<\/p>\n<h3>Chemick\u00e9 slo\u017een\u00ed<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>Komponent<\/th>\n<th>Nerezov\u00e1 ocel 303<\/th>\n<th>440 Nerezov\u00e1 ocel<\/th>\n<\/tr>\n<tr>\n<td>Uhl\u00edk<\/td>\n<td>0,151 TP3T max<\/td>\n<td>0.60-1.20%<\/td>\n<\/tr>\n<tr>\n<td>Chrom<\/td>\n<td>17-19%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Nikl<\/td>\n<td>8-10%<\/td>\n<td>\u017d\u00e1dn\u00e9<\/td>\n<\/tr>\n<tr>\n<td>S\u00edra<\/td>\n<td>0.15-0.35%<\/td>\n<td>\u017d\u00e1dn\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Vlastnosti odvozen\u00e9 z kompozice<\/h3>\n<ul>\n<li>Nerezov\u00e1 ocel 303: Lep\u0161\u00ed obrobitelnost, st\u0159edn\u00ed odolnost proti korozi.<\/li>\n<li>Nerezov\u00e1 ocel 440: Vysok\u00e1 tvrdost, vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, st\u0159edn\u00ed odolnost proti korozi.<\/li>\n<\/ul>\n<h2 id=\"physical-properties-of-303-stainless-steel\">Fyzik\u00e1ln\u00ed vlastnosti nerezov\u00e9 oceli 303<\/h2>\n<p>Nerezov\u00e1 ocel 303, varianta \u0161ir\u0161\u00ed rodiny nerezov\u00fdch ocel\u00ed 18-8, se vyzna\u010duje p\u0159edev\u0161\u00edm obrobitelnost\u00ed, kterou usnad\u0148uje p\u0159\u00eddavek s\u00edry. Tato \u00faprava ovliv\u0148uje fyzik\u00e1ln\u00ed vlastnosti slitiny v\u00fdhodn\u00fdmi i omezuj\u00edc\u00edmi zp\u016fsoby v z\u00e1vislosti na konkr\u00e9tn\u00edch po\u017eadavc\u00edch aplikace.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 fyzik\u00e1ln\u00ed vlastnosti<\/h3>\n<ul>\n<li>Hustota: 8,03 g\/cm\u00b3<\/li>\n<li>Teplota t\u00e1n\u00ed: 1450-1510 \u00b0C<\/li>\n<li>Tepeln\u00e1 vodivost: 16,2 W\/mK p\u0159i 100 \u00b0C<\/li>\n<li>Koeficient tepeln\u00e9 rozta\u017enosti: 17,3 \u00b5m\/m\u00b0C p\u0159i 100\u00b0C<\/li>\n<li>Nemagnetick\u00e9<\/li>\n<li>Specifick\u00e1 tepeln\u00e1 kapacita: 500 J\/kg-K p\u0159i 25\u00b0C<\/li>\n<\/ul>\n<h2 id=\"mechanical-properties-of-440-stainless-steel\">Mechanick\u00e9 vlastnosti nerezov\u00e9 oceli 440<\/h2>\n<p>Nerezov\u00e1 ocel 440 je martenzitick\u00e1 slitina s vysok\u00fdm obsahem uhl\u00edku zn\u00e1m\u00e1 svou pevnost\u00ed, tvrdost\u00ed a odolnost\u00ed proti opot\u0159eben\u00ed. Tento typ nerezov\u00e9 oceli je klasifikov\u00e1n do t\u0159\u00ed podt\u0159\u00edd: 440A, 440B a 440C, p\u0159i\u010dem\u017e 440C je nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed kv\u016fli vy\u0161\u0161\u00edmu obsahu uhl\u00edku.<\/p>\n<h3>Mechanick\u00e9 vlastnosti<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>Majetek<\/th>\n<th>Hodnota<\/th>\n<\/tr>\n<tr>\n<td>Tvrdost (HRC)<\/td>\n<td>58-60<\/td>\n<\/tr>\n<tr>\n<td>Pevnost v tahu<\/td>\n<td>450 MPa<\/td>\n<\/tr>\n<tr>\n<td>Pevnost v tahu<\/td>\n<td>760 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Aplikace<\/h3>\n<ul>\n<li>Vysoce pevn\u00e9 \u0159ezn\u00e9 n\u00e1stroje<\/li>\n<li>No\u017ee<\/li>\n<li>Lo\u017eiska<\/li>\n<li>D\u00edly ventil\u016f<\/li>\n<\/ul>\n<h2 id=\"is-304-stainless-steel-better-than-440-stainless-steel\">Je nerezov\u00e1 ocel 304 lep\u0161\u00ed ne\u017e nerezov\u00e1 ocel 440?<\/h2>\n<p>P\u0159i porovn\u00e1v\u00e1n\u00ed nerezov\u00e9 oceli 304 a 440 je nezbytn\u00e9 zv\u00e1\u017eit jejich chemick\u00e9 slo\u017een\u00ed, mechanick\u00e9 vlastnosti a vhodnost pro r\u016fzn\u00e9 aplikace, aby bylo mo\u017en\u00e9 ur\u010dit, kter\u00e1 z nich je pro konkr\u00e9tn\u00ed pou\u017eit\u00ed lep\u0161\u00ed. Oba typy nerezov\u00e9 oceli maj\u00ed sv\u00e9 jedine\u010dn\u00e9 v\u00fdhody a nev\u00fdhody, d\u00edky kter\u00fdm se l\u00e9pe hod\u00ed pro konkr\u00e9tn\u00ed prost\u0159ed\u00ed a \u00fakoly.<\/p>\n<h3>Srovn\u00e1vac\u00ed anal\u00fdza<\/h3>\n<ul>\n<li>Nerezov\u00e1 ocel 304: Vynikaj\u00edc\u00ed odolnost proti korozi, vysoce zpracovateln\u00e1, vhodn\u00e1 pro potravin\u00e1\u0159sk\u00e9 a n\u00e1mo\u0159n\u00ed aplikace.<\/li>\n<li>Nerezov\u00e1 ocel 440: Vysok\u00e1 tvrdost, pevnost a odolnost proti opot\u0159eben\u00ed, vhodn\u00e1 pro \u0159ezn\u00e9 n\u00e1stroje a vysoce nam\u00e1han\u00e9 sou\u010d\u00e1sti.<\/li>\n<\/ul>\n<p>Rozhodnut\u00ed mezi pou\u017eit\u00edm nerezov\u00e9 oceli 304 nebo 440 do zna\u010dn\u00e9 m\u00edry z\u00e1vis\u00ed na konkr\u00e9tn\u00edch po\u017eadavc\u00edch aplikace. Pro prost\u0159ed\u00ed, kde je prvo\u0159ad\u00e1 odolnost proti korozi, je obvykle lep\u0161\u00ed volbou nerezov\u00e1 ocel 304. Naopak pro aplikace vy\u017eaduj\u00edc\u00ed vysokou pevnost a odolnost proti opot\u0159eben\u00ed je nerezov\u00e1 ocel 440 obecn\u011b lep\u0161\u00ed.<\/p>\n<h2 id=\"conclusion\">Z\u00e1v\u011br<\/h2>\n<p><strong>Z\u00e1v\u011br: Nerezov\u00e1 ocel 303 vs 440<\/strong><\/p>\n<h3>Vlastnosti<\/h3>\n<ul>\n<li><strong>303 Nerezov\u00e1 ocel:<\/strong> Austenitick\u00e1 chromniklov\u00e1 slitina s vynikaj\u00edc\u00ed obrobitelnost\u00ed d\u00edky p\u0159\u00edm\u011bsi s\u00edry, dobr\u00e1 odolnost proti oxidaci, hladk\u00e1 povrchov\u00e1 \u00faprava.<\/li>\n<li><strong>440 Nerezov\u00e1 ocel:<\/strong> Martenzitick\u00e1 nerezov\u00e1 ocel s vysok\u00fdm obsahem uhl\u00edku s vysokou pevnost\u00ed, tvrdost\u00ed a odolnost\u00ed proti opot\u0159eben\u00ed, rozd\u011blen\u00e1 na 440A, 440B a 440C.<\/li>\n<\/ul>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li><strong>303 Nerezov\u00e1 ocel:<\/strong> V\u00fdborn\u00e1 obrobitelnost, dobr\u00e1 povrchov\u00e1 \u00faprava.<\/li>\n<li><strong>440 Nerezov\u00e1 ocel:<\/strong> Vynikaj\u00edc\u00ed tvrdost a odolnost proti opot\u0159eben\u00ed, vhodn\u00e9 pro vysoce nam\u00e1han\u00e9 aplikace.<\/li>\n<\/ul>\n<h3>Nev\u00fdhody<\/h3>\n<ul>\n<li><strong>303 Nerezov\u00e1 ocel:<\/strong> Sn\u00ed\u017een\u00e1 odolnost proti korozi a hou\u017eevnatost, nevhodn\u00e9 do drsn\u00e9ho prost\u0159ed\u00ed.<\/li>\n<li><strong>440 Nerezov\u00e1 ocel:<\/strong> Obt\u00ed\u017en\u011b obrobiteln\u00e9, m\u00e9n\u011b odoln\u00e9 v\u016f\u010di korozi ve srovn\u00e1n\u00ed s nerezov\u00fdmi oceli s ni\u017e\u0161\u00edm obsahem uhl\u00edku.<\/li>\n<\/ul>\n<h3>Pou\u017eit\u00ed<\/h3>\n<ul>\n<li><strong>303 Nerezov\u00e1 ocel:<\/strong> Kov\u00e1n\u00ed, \u0161rouby, matice, \u0161rouby.<\/li>\n<li><strong>440 Nerezov\u00e1 ocel:<\/strong> P\u0159\u00edbory, lo\u017eiska, chirurgick\u00e9 n\u00e1stroje.<\/li>\n<\/ul>\n<p>Stru\u010dn\u011b \u0159e\u010deno, volba mezi nerezovou ocel\u00ed 303 a 440 z\u00e1vis\u00ed na konkr\u00e9tn\u00edch po\u017eadavc\u00edch aplikace, v\u010detn\u011b po\u017eadovan\u00fdch mechanick\u00fdch vlastnost\u00ed, odolnosti proti korozi, obrobitelnosti a prost\u0159ed\u00ed, ve kter\u00e9m bude materi\u00e1l pou\u017eit.<\/p>","protected":false},"excerpt":{"rendered":"<p>Obsah Nev\u00fdhody a v\u00fdhody nerezov\u00e9 oceli 440 vs. 303 Co je ekvivalent nerezov\u00e9 oceli 303 a 440? Pou\u017eit\u00ed nerezov\u00e9 oceli 440 vs 303 Korozn\u00ed odolnost nerezov\u00e9 oceli 303 Anal\u00fdza slo\u017een\u00ed nerezov\u00e9 oceli 303 vs 440 Fyzik\u00e1ln\u00ed vlastnosti nerezov\u00e9 oceli 303 Mechanick\u00e9 vlastnosti nerezov\u00e9 oceli 440 jsou [\u2026]<\/p>","protected":false},"author":1,"featured_media":4019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-material-selection-guide"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/comments?post=3943"}],"version-history":[{"count":3,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3947,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/media\/4019"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}