{"id":5636,"date":"2020-02-21T04:18:29","date_gmt":"2020-02-21T04:18:29","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5636"},"modified":"2026-03-25T03:44:42","modified_gmt":"2026-03-25T03:44:42","slug":"procesos-y-etapas-de-decapado-y-pasivado-de-tubos-sin-soldadura-de-acero-inoxidable","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/es\/blog\/procesos-y-etapas-de-decapado-y-pasivado-de-tubos-sin-soldadura-de-acero-inoxidable\/","title":{"rendered":"Procesos y etapas de decapado y pasivado de tuber\u00eda sin soldadura de acero inoxidable"},"content":{"rendered":"

Procesos y etapas de decapado y pasivado de tuber\u00eda sin costura de acero inoxidable<\/h2>\n

Todo el mundo sabe que la f\u00e1brica de tubos de acero sin costura debe ser decapada y pasivada despu\u00e9s de la producci\u00f3n para convertirse en un tubo de acero inoxidable sin costura<\/a>.<\/p>\n

\u00bfCu\u00e1nto sabe sobre el proceso y los pasos de decapado y pasivaci\u00f3n<\/a> de tubos de acero inoxidable sin soldadura? Vamos a por ello.<\/p>\n

\"tubos<\/a>
tubos de acero inoxidable sin costura<\/figcaption><\/figure>\n

1, preparaciones<\/strong><\/p>\n

2, desengrasado qu\u00edmico:<\/strong><\/p>\n

(1) El desengrasado qu\u00edmico adopta el m\u00e9todo de remojo en el tanque. El tanque de desengrasado est\u00e1 hecho de chapa de acero y la pared interior est\u00e1 cubierta con PVC o polietileno.<\/p>\n

(2) Utilice \u00e1cido n\u00edtrico 12 ~ 15% (por volumen) para detener el tratamiento desengrasante qu\u00edmico. La temperatura es de 40 \u00b0 C ~ 60 \u00b0 C y el tiempo es de 2 ~ 4 horas.<\/p>\n

(3) Cuando la tuber\u00eda sin costura de acero inoxidable est\u00e9 empapada en el tanque, preste atenci\u00f3n al lugar para evitar que atrape aire en la tuber\u00eda.<\/p>\n

(4) Durante el proceso de remojo, el tubo sin costura de acero inoxidable debe moverse hacia arriba y hacia abajo, al rev\u00e9s o al rev\u00e9s, de modo que la soluci\u00f3n de la cavidad interna se cambie de vez en cuando para mejorar el efecto. Saque el tubo sin costura de acero inoxidable si es necesario, enjuague con agua y luego deje de remojar.<\/p>\n

(5) Desengrasado qu\u00edmico hasta que la superficie de la tuber\u00eda sin costura de acero inoxidable est\u00e9 completamente h\u00fameda.<\/p>\n

3, enjuague con agua caliente:<\/strong><\/p>\n

(1) La tuber\u00eda sin costura de acero inoxidable despu\u00e9s del desengrasado se saca del tanque de desengrasado y se sumerge en un tanque de agua caliente a aproximadamente 40 \u00b0 C a 60 \u00b0 C para enjuagar durante 5-20 minutos.<\/p>\n

(2) El tanque de agua caliente est\u00e1 hecho de chapa de acero y la pared interior est\u00e1 cubierta con PVC o polietileno.<\/p>\n

(3) El contenido de iones cloruro en el agua es inferior a 25 ppm.<\/p>\n

4, enjuague con agua fr\u00eda:<\/strong><\/p>\n

(1), la tuber\u00eda sin costura de acero inoxidable que se ha enjuagado con agua se detiene con agua a presi\u00f3n (presi\u00f3n P \u2265 0,1 Mpa).<\/p>\n

(2) El contenido de iones cloruro en el agua es inferior a 25 ppm.<\/p>\n

5, pasivaci\u00f3n:<\/strong><\/p>\n

(1) La pasivaci\u00f3n adopta el m\u00e9todo de burbujas de tanque en el tanque. La f\u00f3rmula de la soluci\u00f3n de pasivaci\u00f3n y el tiempo de inmersi\u00f3n se pueden seleccionar de acuerdo con la Tabla 2.3.<\/p>\n

(2) Fabricaci\u00f3n de placa de acero para tanque de pasivaci\u00f3n, la pared interior est\u00e1 cubierta con pl\u00e1stico a prueba de \u00e1cidos.<\/p>\n

(3) Al sumergirse en el tanque, preste atenci\u00f3n al lugar para evitar que el aire se almacene en la tuber\u00eda soldada de acero inoxidable.<\/p>\n

(4) Durante el proceso de remojo, el tubo sin costura de acero inoxidable debe moverse hacia arriba y hacia abajo, al rev\u00e9s o al rev\u00e9s, de modo que la soluci\u00f3n de la cavidad interna se cambie de vez en cuando para mejorar el efecto. Saque el tubo sin costura de acero inoxidable si es necesario, enjuague con agua y luego deje de remojar.<\/p>\n

6. Secado:<\/strong><\/p>\n

Los tubos sin costura de acero inoxidable pasivado deben secarse con aire comprimido limpio o nitr\u00f3geno, y debe haber tiempo suficiente (al menos 2 horas) para que los tubos sin costura de acero inoxidable pasivan de forma natural en el aire.<\/p>\n

7. Inspecci\u00f3n:<\/strong><\/p>\n

Despu\u00e9s de la pasivaci\u00f3n de la tuber\u00eda sin costura de acero inoxidable, la autoprueba y la inspecci\u00f3n mutua deben detenerse y luego enviarse al inspector de calidad para detener la aceptaci\u00f3n a pedido.<\/p>\n

8. Mantenimiento:<\/strong><\/p>\n

(1) Si se detiene la tuber\u00eda sin costura de acero inoxidable cuya apariencia debe detenerse, se detendr\u00e1 de acuerdo con la solicitud de pintura.<\/p>\n

(2) Tuber\u00edas sin costura de acero inoxidable despu\u00e9s de la inspecci\u00f3n. Los fabricantes de tubos sin costura de acero inoxidable deben sellar con tapones de pl\u00e1stico, detener las bandas y el mantenimiento con un pa\u00f1o de tres pruebas y dejar de marcar.<\/p>\n

\n

El otro art\u00edculo de decapado y pasivaci\u00f3n de los tubos de acero sin soldadura:\u00a0En general, existen tres tipos de decapado y pasivado de tubos sin costura de acero inoxidable.<\/a><\/p>","protected":false},"featured_media":5323,"template":"","categories":[186],"tags":[],"class_list":["post-5636","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"\nProcesses And Steps Of Pickling And Passivation Of Stainless Steel Seamless Pipe - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/es\/blog\/procesos-y-etapas-de-decapado-y-pasivado-de-tubos-sin-soldadura-de-acero-inoxidable\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Processes And Steps Of Pickling And Passivation Of Stainless Steel Seamless Pipe - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"Processes and steps of pickling and passivation of stainless steel seamless pipe Everyone knows that the seamless steel pipe factory must be pickled and passivated after production in order to become a seamless stainless steel pipe. 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