{"id":6556,"date":"2026-09-28T09:26:01","date_gmt":"2026-09-28T09:26:01","guid":{"rendered":"https:\/\/www.goldprosteelballs.com\/?post_type=goldpro_case&#038;p=6556"},"modified":"2026-11-04T02:52:43","modified_gmt":"2026-11-04T02:52:43","slug":"case-study-of-high-hardness-low-wear-at-a-large-copper-mine","status":"publish","type":"goldpro_case","link":"https:\/\/www.goldprosteelballs.com\/id\/case\/case-study-of-high-hardness-low-wear-at-a-large-copper-mine\/","title":{"rendered":"Studi Kasus Kekerasan Tinggi &amp; Keausan Rendah di Tambang Tembaga Besar"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Bola tempa berkekerasan tinggi Goldpro (kekerasan permukaan \u226560 HRC) diuji dibandingkan dengan bola buatan Rusia yang diproduksi secara lokal di pabrik MQY 3,6 \u00d7 4,0 m (Juni\u2013Oktober 2025; 180.200 ton diproses). Konsumsi spesifik turun sebesar 32,6% untuk bola 100 mm dan 39,7% untuk bola 60 mm, sementara kapasitas produksi dan konsumsi daya tetap stabil.<\/p>","protected":false},"featured_media":5782,"menu_order":0,"template":"","case_mineral":[57],"class_list":["post-6556","goldpro_case","type-goldpro_case","status-publish","has-post-thumbnail","hentry","case_mineral-57"],"_links":{"self":[{"href":"https:\/\/www.goldprosteelballs.com\/id\/wp-json\/wp\/v2\/goldpro_case\/6556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goldprosteelballs.com\/id\/wp-json\/wp\/v2\/goldpro_case"}],"about":[{"href":"https:\/\/www.goldprosteelballs.com\/id\/wp-json\/wp\/v2\/types\/goldpro_case"}],"wp:attachment":[{"href":"https:\/\/www.goldprosteelballs.com\/id\/wp-json\/wp\/v2\/media?parent=6556"}],"wp:term":[{"taxonomy":"case_mineral","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/id\/wp-json\/wp\/v2\/case_mineral?post=6556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}