{"id":13490,"date":"2026-04-13T14:25:02","date_gmt":"2026-04-13T11:25:02","guid":{"rendered":"https:\/\/www.combiworks.com\/?page_id=13490"},"modified":"2026-04-13T14:27:28","modified_gmt":"2026-04-13T11:27:28","slug":"manhole-cover-material-comparison","status":"publish","type":"page","link":"https:\/\/www.combiworks.com\/en\/infra\/manhole-cover-material-comparison\/","title":{"rendered":"Manhole Cover Material Comparison"},"content":{"rendered":"\n
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Manhole Cover Material Comparison<\/h1>\n<\/div>\n<\/div>\n\n\n
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Ductile, spheroidal graphite cast iron is a type of graphite-rich iron which has much more impact and fatigue resistance, due to its nodular graphite inclusions<\/p>\n\n<\/div><\/div>\n\n

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Grey, flake graphite cast iron is a type of cast iron that has a graphitic mictrostructure.<\/p>\n\n<\/div><\/div>\n<\/div>\n\n

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CHARACTERISTICS<\/div>\n\n<\/div><\/div>\n\n
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DUCTILE IRON<\/div>\n\n<\/div><\/div>\n\n
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GREY IRON<\/div>\n\n<\/div><\/div>\n\n
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Castability<\/p>\n\n<\/div><\/div>\n\n

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Ease of Machining<\/p>\n\n<\/div><\/div>\n\n

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Vibration Damping<\/p>\n\n<\/div><\/div>\n\n

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Surface Hardenability<\/p>\n\n<\/div><\/div>\n\n

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Modulus of Elasticity<\/p>\n\n<\/div><\/div>\n\n

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Impact Resistance<\/p>\n\n<\/div><\/div>\n\n

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Corrosion Resistance<\/p>\n\n<\/div><\/div>\n\n

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Strength \/ Weight<\/p>\n\n<\/div><\/div>\n\n

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Wear Resistance<\/p>\n\n<\/div><\/div>\n\n

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Cost of Manufacture<\/p>\n\n<\/div><\/div>\n\n

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Read more about standards:<\/h5>\n\n<\/div>\n\n
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EN124 standard<\/a><\/p>\n\n\n\n

EN13374 standard<\/a><\/p>\n<\/div>\n\n\n\n

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EN1433 standard<\/a><\/p>\n<\/div>\n\n<\/div><\/div>\n\n\n\n

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Use cases:<\/h5>\n\n<\/div>\n\n
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References<\/a><\/p>\n\n\n\n

Designers<\/a><\/p>\n\n\n\n

Pipe and well producers<\/a><\/p>\n<\/div>\n\n\n\n

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Wholesalers<\/a><\/p>\n\n\n\n

Municipalities<\/a><\/p>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"

Manhole Cover Material Comparison Read more about standards: EN124 standard EN13374 standard EN1433 standard Use cases: References Designers Pipe and well producers Wholesalers Municipalities<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":189,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[],"class_list":["post-13490","page","type-page","status-publish","format-standard"],"acf":[],"yoast_head":"\nManhole Cover Material Comparison - Combi Works<\/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.combiworks.com\/en\/infra\/manhole-cover-material-comparison\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Manhole Cover Material Comparison - 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