{"id":102229,"date":"2024-10-18T13:23:32","date_gmt":"2024-10-18T13:23:32","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-a891-4\/"},"modified":"2024-10-24T21:22:59","modified_gmt":"2024-10-24T21:22:59","slug":"astm-a891-4","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-a891-4\/","title":{"rendered":"ASTM-A891"},"content":{"rendered":"<h3>ASTM A891-98-Reapproved2003<\/h3>\n<h4>Historical Standard: Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels<\/h4>\n<div>\n<h4>ASTM A891<\/h4>\n<p><strong>Scope<\/strong><\/p>\n<p>1.1 This specification covers precipitation hardening iron base superalloy forgings which are primarily intended for use as turbine rotor disks and wheels.<\/p>\n<p>1.2 Two heat treatments are covered. Selection will depend upon design, service conditions, mechanical properties, and elevated temperature characteristics.<\/p>\n<p>1.3 All of the provisions of Specification A 788, apply, except as amended herein.<\/p>\n<p>1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.<\/p>\n<p><strong>Keywords<\/strong><\/p>\n<p>age hardened; creep; elevated temperature service; forging; alloy steel\u2014turbine disk; forging; alloy steel\u2014turbine wheel; precipitation hardened; stress rupture; superalloy<\/p>\n<p><strong>ICS Code<\/strong><\/p>\n<p>ICS Number Code 77.140.85 (Iron and steel forgings)<\/p>\n<p><strong>DOI:<\/strong> 10.1520\/A0891-98R03<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>A891-98(2003) Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/astm\/\"><b>ASTM<\/b><\/a><\/td>\n<td>2003<\/td>\n<td>3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":102230,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1124,2637],"product_tag":[],"class_list":{"0":"post-102229","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-77-140-85","7":"product_cat-astm","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/102229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/102230"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=102229"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=102229"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=102229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}