{"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\/pt\/case\/case-study-of-high-hardness-low-wear-at-a-large-copper-mine\/","title":{"rendered":"Case Study of High Hardness &#038; Low Wear at a Large Copper Mine"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Goldpro high-hardness forged balls (surface hardness \u226560 HRC) were tested against locally produced Russian balls in an MQY 3.6 \u00d7 4.0 m mill (June\u2013October 2025; 180,200 tonnes processed). Specific consumption fell by 32.6% for 100 mm balls and 39.7% for 60 mm balls, while throughput and power consumption remained stable.<\/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\/pt\/wp-json\/wp\/v2\/goldpro_case\/6556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goldprosteelballs.com\/pt\/wp-json\/wp\/v2\/goldpro_case"}],"about":[{"href":"https:\/\/www.goldprosteelballs.com\/pt\/wp-json\/wp\/v2\/types\/goldpro_case"}],"wp:attachment":[{"href":"https:\/\/www.goldprosteelballs.com\/pt\/wp-json\/wp\/v2\/media?parent=6556"}],"wp:term":[{"taxonomy":"case_mineral","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/pt\/wp-json\/wp\/v2\/case_mineral?post=6556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}