{"id":454,"date":"2026-03-31T11:08:25","date_gmt":"2026-03-31T03:08:25","guid":{"rendered":"http:\/\/localhost\/?post_type=product&p=454"},"modified":"2026-03-31T11:09:53","modified_gmt":"2026-03-31T03:09:53","slug":"700-hb-wear-resistant-steel-plate","status":"publish","type":"product","link":"https:\/\/www.jycomat.com\/cs\/produkt\/700-hb-wear-resistant-steel-plate\/","title":{"rendered":"700 HB Ocelov\u00e1 deska odoln\u00e1 proti opot\u0159eben\u00ed"},"content":{"rendered":"
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Speci\u00e1ln\u00ed oceli odoln\u00e9 proti opot\u0159eben\u00ed s tvrdost\u00ed 400 HB, 450 HB, 500 HB, 550 HB, 600 HB poskytuj\u00ed vysokou \u00farove\u0148 odolnosti proti mechanick\u00e9mu opot\u0159eben\u00ed a jsou vhodn\u00e9 pro sou\u010d\u00e1sti vystaven\u00e9 siln\u00e9mu ot\u011bru v p\u0159\u00edpadech pou\u017eit\u00ed, jako jsou nakl\u00e1dac\u00ed za\u0159\u00edzen\u00ed, kolov\u00e9 lopaty, naklada\u010de, korby \u017elabov\u00fdch skl\u00e1p\u011bc\u00edch voz\u016f, dopravn\u00edky, sou\u010d\u00e1sti bagr\u016f, silni\u010dn\u00ed stroje, s\u00edta a drti\u010de. \u0158ada n\u00edzkolegovan\u00fdch martenzitick\u00fdch ocelov\u00fdch plech\u016f s vysokou tvrdost\u00ed m\u00e1 vynikaj\u00edc\u00ed odolnost proti zvl\u00e1\u0161t\u011b abrazivn\u00edmu opot\u0159eben\u00ed - obvykle t\u0159ikr\u00e1t a\u017e \u0161estkr\u00e1t vy\u0161\u0161\u00ed ne\u017e klasick\u00e9 konstruk\u010dn\u00ed oceli.<\/p>

Vyr\u00e1b\u011bn\u00e9 desky jsou jemnozrnn\u011b taven\u00e9 a mohou obsahovat mikroleguj\u00edc\u00ed prvky, jako je Nb a V. Vy\u0161\u0161\u00ed tvrdosti se dosahuje p\u0159\u00edm\u00fdm kalen\u00edm (zrychlen\u00e9 chlazen\u00ed bezprost\u0159edn\u011b po v\u00e1lcov\u00e1n\u00ed za tepla) nebo konven\u010dn\u00edm kalen\u00edm. Na vy\u017e\u00e1d\u00e1n\u00ed jsou poskytov\u00e1ny garantovan\u00e9 hodnoty r\u00e1zov\u00e9 energie vrubu.<\/p>

Desky odoln\u00e9 proti opot\u0159eben\u00ed jsou d\u00edky sv\u00e9mu chemick\u00e9mu slo\u017een\u00ed vhodn\u00e9 pro sva\u0159ov\u00e1n\u00ed. Lze pou\u017e\u00edt v\u0161echny testovan\u00e9 metody tavn\u00e9ho sva\u0159ov\u00e1n\u00ed, ale jako obzvl\u00e1\u0161t\u011b \u00fa\u010dinn\u00e9 se uk\u00e1zalo sva\u0159ov\u00e1n\u00ed v ochrann\u00e9m plynu (n\u00edzk\u00fd p\u0159\u00edkon vod\u00edku). Z d\u016fvod\u016f prevence vzniku trhlin by se pro ru\u010dn\u00ed sva\u0159ov\u00e1n\u00ed elektrick\u00fdm obloukem m\u011bly pou\u017e\u00edvat elektrody se z\u00e1kladn\u00edm povlakem a kontrolovan\u00fdm obsahem vod\u00edku. P\u0159ed sva\u0159ov\u00e1n\u00edm je t\u0159eba elektrody vysu\u0161it podle pokyn\u016f v\u00fdrobce.<\/p>

Mezi zn\u00e1m\u00e9 zna\u010dky v\u00fdrobc\u016f desek odoln\u00fdch proti od\u011bru pat\u0159\u00ed HARDOX, DUROSTAT, RELIA, CREUSABRO, ABREX, ASTRALLOY, EVERHARD, RAEX, QUARD, FORA.<\/p>

\u00a0<\/p>

CHEMICK\u00c9 VLASTNOSTI<\/h3>

uveden\u00e9 hodnoty jsou max. %\u00a0<\/p>

GRADE<\/th>C<\/th>Mn<\/th>P<\/th>S<\/th>Si<\/th>Cr<\/th>Ni<\/th>Mo<\/th>B<\/th><\/tr><\/thead>
HB400\u00a0<\/td>0.32\u00a0<\/td>1.60\u00a0<\/td>0.025\u00a0<\/td>0.010\u00a0<\/td>0.70\u00a0<\/td>2.50\u00a0<\/td>1.50\u00a0<\/td>0.60\u00a0<\/td>0.004\u00a0<\/td><\/tr>
HB450\u00a0<\/td>0.26\u00a0<\/td>1.60\u00a0<\/td>0.025\u00a0<\/td>0.010\u00a0<\/td>0.70\u00a0<\/td>1.40\u00a0<\/td>1.50\u00a0<\/td>0.60\u00a0<\/td>0.005\u00a0<\/td><\/tr>
HB500\u00a0<\/td>0.30\u00a0<\/td>1.30\u00a0<\/td>0.020\u00a0<\/td>0.010\u00a0<\/td>0.40\u00a0<\/td>2.20\u00a0<\/td>2.00\u00a0<\/td>0.40\u00a0<\/td>0.005\u00a0<\/td><\/tr>
HB500T\u00a0<\/td>0.30\u00a0<\/td>1.60\u00a0<\/td>0.020\u00a0<\/td>0.010\u00a0<\/td>0.70\u00a0<\/td>1.50\u00a0<\/td>1.50\u00a0<\/td>0.60\u00a0<\/td>0.005\u00a0<\/td><\/tr>
HB550\u00a0<\/td>0.44\u00a0<\/td>1.30\u00a0<\/td>0.020\u00a0<\/td>0.010\u00a0<\/td>0.50\u00a0<\/td>1.40\u00a0<\/td>1.40\u00a0<\/td>0.60\u00a0<\/td>0.004\u00a0<\/td><\/tr>
HB600\u00a0<\/td>0.47\u00a0<\/td>1.50\u00a0<\/td>0.015\u00a0<\/td>0.010\u00a0<\/td>0.70\u00a0<\/td>1.20\u00a0<\/td>2.50\u00a0<\/td>0.70\u00a0<\/td>0.005\u00a0<\/td><\/tr>
HB700\u00a0<\/td>0.47\u00a0<\/td>1.40\u00a0<\/td>0.015\u00a0<\/td>0.010\u00a0<\/td>0.50\u00a0<\/td>1.20\u00a0<\/td>2.50\u00a0<\/td>0.80\u00a0<\/td>0.005\u00a0<\/td><\/tr><\/tbody><\/table><\/div>

\u00a0<\/h2>

MECHANICK\u00c9 VLASTNOSTI<\/h3>

typick\u00e9 pr\u016fm\u011brn\u00e9 hodnoty\u00a0<\/p>

GRADE<\/th>Pevnost v tahu<\/th>Pevnost v tahu<\/th>Hodnota n\u00e1razu [@-40 C]<\/th>Prodlou\u017een\u00ed [A5]<\/th><\/tr><\/thead>
HB400\u00a0<\/td>153 ksi [1050 MPa]\u00a0<\/td>181 ksi [1250 MPa]\u00a0<\/td>45 J\u00a0<\/td>10%\u00a0<\/td><\/tr>
HB450\u00a0<\/td>174 ksi [1200 MPa]\u00a0<\/td>218 ksi [1500 MPa]\u00a0<\/td>50 J\u00a0<\/td>8%\u00a0<\/td><\/tr>
HB500\u00a0<\/td>181 ksi [1250 MPa]\u00a0<\/td>232 ksi [1600 MPa]\u00a0<\/td>37 J\u00a0<\/td>6%\u00a0<\/td><\/tr>
HB500T\u00a0<\/td>181 ksi [1250 MPa]\u00a0<\/td>232 ksi [1600 MPa]\u00a0<\/td>27 J\u00a0<\/td>6%\u00a0<\/td><\/tr>
HB550\u00a0<\/td>203 ksi [1400 MPa]\u00a0<\/td>261 ksi [1800 MPa]\u00a0<\/td>30 J\u00a0<\/td>10%\u00a0<\/td><\/tr>
HB600\u00a0<\/td>225 ksi [1550 MPa]\u00a0<\/td>305 ksi [2100 MPa]\u00a0<\/td>21 J\u00a0<\/td>5%\u00a0<\/td><\/tr>
HB700\u00a0<\/td>275 ksi [1900 MPa]\u00a0<\/td>380 ksi [2630 MPa]\u00a0<\/td>30 J\u00a0<\/td>18%\u00a0<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Speci\u00e1ln\u00ed oceli odoln\u00e9 proti opot\u0159eben\u00ed s tvrdost\u00ed 400 HB, 450 HB, 500 HB, 550 HB, 600 HB poskytuj\u00ed vysokou \u00farove\u0148 odolnosti proti mechanick\u00e9mu opot\u0159eben\u00ed a jsou vhodn\u00e9 pro sou\u010d\u00e1sti vystaven\u00e9 siln\u00e9mu ot\u011bru v p\u0159\u00edpadech pou\u017eit\u00ed, jako jsou nakl\u00e1dac\u00ed za\u0159\u00edzen\u00ed, kolov\u00e9 lopaty, naklada\u010de, korby \u017elabov\u00fdch skl\u00e1p\u011bc\u00edch voz\u016f, dopravn\u00edky, sou\u010d\u00e1sti bagr\u016f, silni\u010dn\u00ed stroje, s\u00edta a drti\u010de. \u0158ada n\u00edzkolegovan\u00fdch martenzitick\u00fdch ocelov\u00fdch plech\u016f s vysokou tvrdost\u00ed m\u00e1 vynikaj\u00edc\u00ed odolnost proti zvl\u00e1\u0161t\u011b abrazivn\u00edmu opot\u0159eben\u00ed - obvykle t\u0159ikr\u00e1t a\u017e \u0161estkr\u00e1t vy\u0161\u0161\u00ed ne\u017e klasick\u00e9 konstruk\u010dn\u00ed oceli.<\/p>","protected":false},"featured_media":455,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","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":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","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":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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