{"title":"Black Steel Fittings - Caps","description":"\u003cp\u003eComplete your gas, fire suppression, or industrial piping system with \u003cstrong\u003eblack steel malleable iron fittings\u003c\/strong\u003e — the standard choice wherever threaded steel pipe connections are required. Built tough for high-pressure and high-temperature applications, black steel fittings are a staple on every commercial and residential gas line rough-in.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Are Black Steel Fittings?\u003c\/h3\u003e\n\u003cp\u003eBlack steel fittings are malleable iron threaded fittings with a black oxide finish (no galvanizing). They are designed for use with black steel pipe on \u003cstrong\u003enatural gas, propane, fire sprinkler, steam, and compressed air systems\u003c\/strong\u003e. The black finish distinguishes them from galvanized fittings, which are not suitable for gas service.\u003c\/p\u003e\n\n\u003ch3\u003eFitting Types Available\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElbows\u003c\/strong\u003e — 90° and 45° in street and standard configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTees\u003c\/strong\u003e — straight and reducing tees for branch connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCouplings\u003c\/strong\u003e — standard and reducing for inline connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNipples\u003c\/strong\u003e — close, short, and long in common sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaps \u0026amp; Plugs\u003c\/strong\u003e — for capping open ends and pressure testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnions\u003c\/strong\u003e — for connections that may need to be broken and remade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushings\u003c\/strong\u003e — for reducing threaded connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNatural gas and propane distribution lines\u003c\/li\u003e\n\u003cli\u003eFire suppression and sprinkler systems\u003c\/li\u003e\n\u003cli\u003eSteam and high-temperature piping\u003c\/li\u003e\n\u003cli\u003eCompressed air systems\u003c\/li\u003e\n\u003cli\u003eIndustrial process piping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Malleable iron with black oxide finish\u003c\/li\u003e\n\u003cli\u003eThread standard: NPT (National Pipe Thread)\u003c\/li\u003e\n\u003cli\u003ePressure rated: 150 lb class (standard) — suitable for most gas and steam applications\u003c\/li\u003e\n\u003cli\u003eSizes: 1\/4\" through 2\" (common stock sizes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for use with galvanized pipe on gas lines\u003c\/strong\u003e — always use black fittings with black pipe for gas service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSame-day pickup available at AC Construction Depot in Pineville, NC.\u003c\/strong\u003e Serving plumbers, pipefitters, and contractors across the greater Charlotte area. Call us at \u003cstrong\u003e704-835-1086\u003c\/strong\u003e to confirm availability on specific sizes and configurations before your trip.\u003c\/p\u003e","products":[{"product_id":"southland-black-iron-cap-1-2","title":"Southland Black Iron Cap - 1\/2\"","description":"\u003cp\u003eSouthland Black Iron Cap - 1\/2\"??\u003c\/p\u003e\n\u003cp\u003eModel: 521-403HN??\u003c\/p\u003e\n\u003cp\u003eSKU: ACPI15918543\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID: \u003c\/strong\u003eD9-4\u003c\/p\u003e","brand":"B\u0026K\/MUELLER INDUSTRIES","offers":[{"title":"Default Title","offer_id":47451938652454,"sku":"019442146801","price":2.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060_0b3402ec-8150-4d1c-afb9-dfc9543cbe7d.jpg?v=1714066571"},{"product_id":"southland-black-iron-cap-1","title":"Southland Black Iron Cap - 1\"","description":"\u003cp\u003eSouthland Black Iron Cap - 1\"??\u003c\/p\u003e\n\u003cp\u003eModel: 521-405HN??\u003c\/p\u003e\n\u003cp\u003eSKU: ACPI15918568\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID: \u003c\/strong\u003eD9-2\u003c\/p\u003e","brand":"B\u0026K\/MUELLER INDUSTRIES","offers":[{"title":"Default Title","offer_id":47451944714534,"sku":"ACPI15918568","price":5.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060_5b7ab601-7717-4bb4-91f1-90ca8ca435cb.jpg?v=1714064918"},{"product_id":"southland-black-iron-cap-2","title":"Southland Black Iron Cap - 2\"","description":"\u003cp\u003eSouthland Black Iron Cap - 2\"\u003c\/p\u003e\n\u003cp\u003eModel: 521-408HN\u003c\/p\u003e\n\u003cp\u003eSKU: ACPI15918592\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID: \u003c\/strong\u003eD8-1\u003c\/p\u003e","brand":"B\u0026K\/MUELLER INDUSTRIES","offers":[{"title":"Default Title","offer_id":47451951595814,"sku":"ACPI15918592","price":11.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060_8103f310-8d78-49e6-9807-b898ac99fe4c.jpg?v=1714070585"},{"product_id":"southland-black-iron-cap-1-1-2","title":"Southland Black Iron Cap - 1-1\/2\"","description":"\u003cp\u003eSouthland Black Iron Cap - 1-1\/2\"\u003c\/p\u003e\n\u003cp\u003eModel: 521-407HN??\u003c\/p\u003e\n\u003cp\u003eSKU: ACPI15918584\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID: \u003c\/strong\u003eD8-2\u003c\/p\u003e","brand":"B\u0026K\/MUELLER INDUSTRIES","offers":[{"title":"Default Title","offer_id":47451951694118,"sku":"ACPI15918584","price":8.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060_313348bd-328c-48e2-8093-ff6135a42f65.jpg?v=1714071064"},{"product_id":"southland-black-iron-cap-1-1-4","title":"Southland Black Iron Cap - 1-1\/4\"","description":"\u003cp\u003eSouthland Black Iron Cap - 1-1\/4\"\u003c\/p\u003e\n\u003cp\u003eModel: 521-406HN\u003c\/p\u003e\n\u003cp\u003eSKU: ACPI15918576\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID:\u003c\/strong\u003e D9-1\u003c\/p\u003e","brand":"B\u0026K\/MUELLER INDUSTRIES","offers":[{"title":"Default Title","offer_id":47451951792422,"sku":"ACPI15918576","price":6.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060.jpg?v=1714064108"},{"product_id":"stz-industries-black-malleable-iron-3-4","title":"STZ Industries Black Malleable Iron Cap - 3\/4\"","description":"\u003cp\u003eSTZ Industries Black Malleable Iron Cap - 3\/4in\u003c\/p\u003e\n\u003cp\u003eModel: 501413\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLID:\u003c\/strong\u003e D9-3\u003c\/p\u003e","brand":"CODA RESOURCES LTD","offers":[{"title":"Default Title","offer_id":49522747506982,"sku":"ACPI42146849","price":3.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/files\/15911060_d470893a-df0c-4a65-ad4e-0294b4d79b8a.jpg?v=1726155945"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4626\/1542\/collections\/1591740_ee092f1d-a1cf-4807-ad28-596f7b19a4ed.jpg?v=1780763598","url":"https:\/\/acconstructiondepot.com\/collections\/black-steel-fittings-caps.oembed","provider":"AC Construction Depot","version":"1.0","type":"link"}