{"id":121,"count":2,"description":"Questa categoria indirizza le richieste di offerta verso <a href=\"https:\/\/beiyutitanium.com\/it\/product\/niobium-bar-sheet\/\">barre, barre tonde, lamiere sottili e lamiere spesse in niobio<\/a> e <a href=\"https:\/\/beiyutitanium.com\/it\/product\/niobium-pipe-tube\/\">tubo in niobio senza saldatura o saldato<\/a>. Utilizzare ASTM B392 per barre e tondi, ASTM B393 per lamiere sottili e lamiere spesse o ASTM B394 per tubi quando viene ordinata la norma di prodotto applicabile.\nIndicare l'UNS esatto indipendentemente dalla forma del prodotto. R04200 e R04210 sono gradi di niobio non legato secondo questi percorsi ASTM; niobio-1% zirconio utilizza designazioni UNS separate. Inviare UNS esatto, norma, dimensioni, stato, tolleranza, quantit\u00e0, applicazione e ambito dei documenti di controllo con la richiesta di offerta.\n\n<h2 data-c152=\"1\">Dettagli delle specifiche con fonti<\/h2>\n<p>Le due designazioni riportate in questa pagina sono entrambe niobio non legato, e l\u2019ordine di acquisto porta la distinzione tra le due attraverso il numero UNS e non attraverso il nome dell\u2019elemento. La densit\u00e0 \u00e8 l\u2019altro dato operativo: il niobio \u00e8 a 8.6 grammi per centimetro cubo contro 16.7 del tantalio, il metallo a cui pi\u00f9 assomiglia chimicamente, quindi una barra pesata stabilisce quale dei due \u00e8 effettivamente arrivato quando le marcature sono dubbie.<\/p>\n<p>Beiyu Titanium supplies this category to the envelope published further down this page, and quotes each item against the buyer's drawing and the standard the order names. Every order runs the same release discipline as Beiyu's other lines: six fields reviewed before any quotation, grade, standard, dimensions, tolerance, surface condition and inspection scope, chemical composition checked through one of two laboratory routes, dimensional inspection recorded against the ordered tolerance, third party inspection when the contract agrees it, and MTC with EN 10204 3.1 under heat number traceability by order scope.<\/p>\n<h2>Gamma di fornitura del niobio<\/h2>\n<p>Il niobio si acquista in piccole quantit\u00e0 secondo disegni con requisiti rigorosi, quindi la richiesta deve riportare sia la gamma dimensionale sia il grado, anzich\u00e9 soltanto il nome dell'elemento.<\/p>\n<table>\n<thead><tr><th>Forma<\/th><th>Intervallo<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Lamiera sottile e lamiera spessa<\/td><td>spessore da 0,03 mm a 10 mm, larghezza da 30 mm a 1000 mm, lunghezza da 50 mm a 2000 mm<\/td><\/tr>\n<tr><td>Barra tonda e barra<\/td><td>&Oslash;3 mm a 100 mm, lunghezza fino a 6000 mm<\/td><\/tr>\n<tr><td>Filo<\/td><td>&Oslash;0,3 mm a 3,0 mm<\/td><\/tr>\n<tr><td>Tubo<\/td><td>&Oslash;2,0 mm a 100 mm, lunghezza fino a 8000 mm<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p>La tabella fa riferimento ad ASTM B392, ASTM B393 e ASTM B394 quali specifiche applicabili alla famiglia; quella applicabile a un determinato articolo viene confermata con l'ordine anzich\u00e9 dedotta dalla forma.<\/p>\n<p>Vengono forniti due gradi, R04200 e R04210, ed \u00e8 il grado con il suo numero a determinare la tabella di composizione sul certificato anzich\u00e9 il solo nome dell'elemento. Questi sono gli intervalli normalmente forniti da Beiyu Titanium. Tutto ci\u00f2 che ne esula richiede una richiesta personalizzata e non pu\u00f2 essere dato per scontato dall'acquirente.<\/p>\n<h2>Il filo in lega Nb-Ti si ordina separatamente dal niobio<\/h2>\n<p>La tabella sopra copre i due gradi di niobio quotati in questa pagina. Nb-47Ti, scritto anche 53Nb-47Ti, \u00e8 una lega diversa e si ordina secondo requisiti propri: non \u00e8 uno di quei gradi e Beiyu Titanium non lo accetta secondo le specifiche a cui essi vengono quotati.<\/p>\n<table>\n<thead><tr><th>Campo<\/th><th>Che cosa fornisce Beiyu Titanium<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Lega<\/td><td>Nb-47Ti, scritto anche 53Nb-47Ti<\/td><\/tr>\n<tr><td>Stato<\/td><td>Ricotto<\/td><\/tr>\n<tr><td>Tolleranza sul diametro a &Oslash;0,20 mm<\/td><td>&plusmn;0,01 mm<\/td><\/tr>\n<tr><td>Certificato<\/td><td>EN 10204 3.1 con tracciabilit\u00e0 tramite il numero di colata, ambito di rendicontazione definito dall'ordine<\/td><\/tr>\n<tr><td>Analisi riportata<\/td><td>Analisi chimica con analisi dei gas per carbonio, idrogeno, azoto e ossigeno<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p>Nel filo sottile un valore di tolleranza smette di essere autoesplicativo. A &Oslash;0,20 mm una tolleranza sul diametro di &plusmn;0,01 mm \u00e8 il cinque per cento del diametro, quindi la richiesta deve precisare a che cosa si applica il valore: all'intera lunghezza consegnata oppure a un piano di campionamento gi\u00e0 utilizzato dall'acquirente. Indicare anche se l'ovalizzazione viene controllata separatamente, perch\u00e9 una tolleranza sul diametro e un limite di ovalizzazione sono due criteri di accettazione diversi.<\/p>\n<p>Questa tolleranza \u00e8 l'intervallo di fornitura di Beiyu Titanium per questo diametro e questa lega. Viene confermata in fase di offerta in funzione della forma e della quantit\u00e0 ordinate, non riportata come valore di catalogo.<\/p>\n<p>Altre tre voci completano la specifica. Occorre indicare la forma di consegna: bobina, matassa o spezzoni diritti tagliati a misura. Lo stato superficiale viene indicato separatamente dallo stato metallurgico. E occorre nominare la base di accettazione, ossia la norma di prodotto a cui si riferisce il certificato oppure il disegno, poich\u00e9 \u00e8 ci\u00f2 con cui vengono confrontate la composizione chimica e le dimensioni riportate.<\/p>","link":"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/niobium\/","name":"Niobio","slug":"niobium","taxonomy":"product_cat","parent":113,"meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":""},"menu_order":0,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Niobium Supplier | Niobium Pipe, Tube &amp; Bar (Nb1\/Nb1Zr) | Beiyu<\/title>\n<meta name=\"description\" content=\"Beiyu supplies niobium (columbium) pipe, tube and bar in Nb1 (UNS R04200) and Nb1Zr to ASTM B394 for chemical, superconductor and high-temperature applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/niobium\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Niobium Supplier | Niobium Pipe, Tube &amp; 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