{"id":1373,"date":"2026-05-18T09:45:09","date_gmt":"2026-05-18T01:45:09","guid":{"rendered":"https:\/\/pipenipples.com\/?post_type=product&#038;p=1373"},"modified":"2026-05-20T13:21:13","modified_gmt":"2026-05-20T05:21:13","slug":"black-steel-close-pipe-nipple-manufacturer","status":"publish","type":"product","link":"https:\/\/pipenipples.com\/es\/produto\/black-steel-close-pipe-nipple-manufacturer\/","title":{"rendered":"Black Steel Close Pipe Nipple Manufacturer"},"content":{"rendered":"<div class=\"[content-visibility:auto] [contain-intrinsic-size:auto_400px] pb-8 -mb-8 print:[content-visibility:visible]\">\n<div data-test-render-count=\"1\">\n<div class=\"group\">\n<div class=\"contents\">\n<div class=\"group relative relative pb-3\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div>\n<h2 class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 standard-markdown\"><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">What Is a Close Black Steel Nipple?<\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div data-test-render-count=\"1\">\n<div class=\"group\">\n<div class=\"contents\">\n<div class=\"group relative relative pb-3\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 standard-markdown\">\n<p data-block-id=\"6d806c8d-cdbf-4f70-b180-4d25b17a081b\" data-pm-slice=\"1 1 []\">A close pipe nipple is very short with threaded ends that meet at the center with little to no unthreaded section.<\/p>\n<p data-block-id=\"b6505f3a-af7c-45a9-b7b6-e9e98ed842c0\" data-pm-slice=\"1 1 []\">Also referred to as a &#8220;running nipple&#8221;, it is the most compact pipe nipple.<\/p>\n<p data-block-id=\"866dad9f-737d-4002-95a4-124c5281e574\" data-pm-slice=\"1 1 []\">It is the go-to solution when two fittings must be connected with almost no gap between them.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Our close <a href=\"https:\/\/pipenipples.com\/products\/pipe-nipple\/black-steel-pipe-nipple\/\" target=\"_blank\" rel=\"noopener\">black carbon steel nipples<\/a> have a characteristic dark oxide surface finish that provides basic corrosion resistance.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">They are produced in strict conformance with ASTM A733 and <\/span><a style=\"font-family: -apple-system, BlinkMacSystemFont, &#039;Segoe UI&#039;, Roboto, &#039;Helvetica Neue&#039;, Arial, &#039;Noto Sans&#039;, sans-serif, &#039;Apple Color Emoji&#039;, &#039;Segoe UI Emoji&#039;, &#039;Segoe UI Symbol&#039;, &#039;Noto Color Emoji&#039;;\" href=\"https:\/\/en.wikipedia.org\/wiki\/National_pipe_thread#Specifications\" target=\"_blank\" rel=\"nofollow noopener\">ASME B1.20.1<\/a><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\"> thread standards.<\/span><\/p>\n<p class=\"\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-1380 size-full\" src=\"https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02.jpg\" alt=\"shoulder nipple vs close pipe nipple\" width=\"800\" height=\"450\" srcset=\"https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02.jpg 800w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-600x338.jpg 600w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-150x84.jpg 150w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-768x432.jpg 768w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-24x14.jpg 24w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-36x20.jpg 36w, https:\/\/pipenipples.com\/wp-content\/uploads\/2026\/05\/shoulder-nipple-vs-close-nipple-02-48x27.jpg 48w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">Product Specification<\/h2>\n<div class=\"overflow-x-auto w-full px-2 mb-6\">\n<table class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\">\n<thead class=\"text-left\">\n<tr>\n<th class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\" scope=\"col\">Parameter<\/th>\n<th class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\" scope=\"col\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Material<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Black Carbon Steel (A53 \/ A106 Gr.B)<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Standard<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">ASTM A733<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Thread Type<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">NPT \/ BSP \/ BSPT<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Size Range<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">1\/8&#8243; \u2013 4&#8243; (DN6 \u2013 DN100)<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Wall Thickness<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Schedule 40 \/ Schedule 80<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Surface Finish<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Black (Mill Finish \/ Oil Coated)<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">End Type<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Threaded Both Ends (TBE)<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Length<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Approx. 1&#8243; \u2013 3&#8243; depending on size<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 data-section-id=\"1tp6ept\" data-start=\"1104\" data-end=\"1143\">Close Nipple vs Standard Pipe Nipple<\/h2>\n<p class=\"bv-p-translate\" data-start=\"1145\" data-end=\"1377\">The main difference between a close nipple and a standard pipe nipple is the exposed pipe body length.<\/p>\n<p data-block-id=\"15bcd31f-4a99-4d0d-bb8d-e9359811fe28\" data-pm-slice=\"1 1 []\">A standard pipe nipple has visible unthreaded pipe, while a close nipple is almost completely threaded.<\/p>\n<p data-block-id=\"b35b5e2a-e309-4bef-b5fb-e92e1a87574d\" data-pm-slice=\"1 1 []\">This design reduces the installation distance between fittings and makes it more compact.<\/p>\n<h2 data-section-id=\"v2n7mh\" data-start=\"1487\" data-end=\"1512\">Available Thread Types<\/h2>\n<p class=\"bv-p-translate\" data-start=\"1514\" data-end=\"1602\">We manufacture threaded pipe nipple products in multiple international thread standards:<\/p>\n<ul data-start=\"1604\" data-end=\"1768\">\n<li data-section-id=\"1cuu0d9\" data-start=\"1604\" data-end=\"1648\">NPT pipe nipple for North American markets<\/li>\n<li data-section-id=\"1vb0gyd\" data-start=\"1649\" data-end=\"1705\">BSP pipe nipple for general international applications<\/li>\n<li data-section-id=\"16mpc4o\" data-start=\"1706\" data-end=\"1768\">BSPT threaded pipe nipple for pressure-tight sealing systems<\/li>\n<\/ul>\n<p class=\"bv-p-translate\" data-start=\"1770\" data-end=\"1871\">Custom thread combinations and special dimensions are also available for OEM and industrial projects.<\/p>\n<h2 data-section-id=\"1l6k04p\" data-start=\"1873\" data-end=\"1901\">Manufacturing Information<\/h2>\n<p data-block-id=\"40668346-9ea0-4a67-b472-9d93c03e6218\" data-pm-slice=\"1 1 []\">As a pipe nipple manufacturer, we supply black steel pipe nipple products to distributors and wholesalers.<\/p>\n<p data-start=\"2067\" data-end=\"2117\">In addition to close nipples, we also manufacture:<\/p>\n<ul data-start=\"2119\" data-end=\"2245\">\n<li data-section-id=\"sd2j9q\" data-start=\"2119\" data-end=\"2149\">Threaded one-end pipe nipple<\/li>\n<li data-section-id=\"13aozgw\" data-start=\"2150\" data-end=\"2174\">Long screw pipe nipple<\/li>\n<li data-section-id=\"1rwvfyk\" data-start=\"2175\" data-end=\"2190\">Barrel nipple<\/li>\n<li data-section-id=\"12qblix\" data-start=\"2191\" data-end=\"2213\">Seamless pipe nipple<\/li>\n<li data-section-id=\"1rvuo6c\" data-start=\"2214\" data-end=\"2245\">Custom threaded pipe fittings<\/li>\n<\/ul>\n<p class=\"bv-p-translate\" data-start=\"2247\" data-end=\"2312\" data-is-last-node=\"\" data-is-only-node=\"\">OEM marking, custom packaging, and bulk production are supported.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Close nipples (also called &#8220;running nipples&#8221;) are the shortest type of pipe nipple, with threads running almost the entire length leaving little or no unthreaded center. Manufactured from black carbon steel per ASTM A733 standard, they are ideal for tight-space installations where minimal projection is required. Available in sizes 1\/8&#8243; to 4&#8243; with NPT or BSP threading.<\/p>\n<div class=\"memorize_new_word_loading\" style=\"display: none;\"><\/div>\n<div class=\"bv-shadow-dom bv-shadow-dom-fade_out\"><\/div>","protected":false},"featured_media":1377,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[41],"product_cat":[18,33],"product_tag":[],"class_list":{"0":"post-1373","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sanvo","7":"product_cat-pipe-nipple","8":"product_cat-black-steel-pipe-nipple","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/product\/1373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/comments?post=1373"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/media\/1377"}],"wp:attachment":[{"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/media?parent=1373"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/product_brand?post=1373"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/product_cat?post=1373"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pipenipples.com\/es\/wp-json\/wp\/v2\/product_tag?post=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}