--- title: Resistance Seam Welding Services - Circumferential Seam Welding | Superior Joining Technologies, Inc. description: Circumferential Seam Welding at SJTI is done in compliance with AWS D17.2, joining two or more members of an assembly in a lap joint configuration. Call today! --- [×](https://www.superiorjt.com/services/welding-services/resistance-welding/circumferential-seam-welding#) [Call us: ** +1.815.282.7581](tel:1-815-282-7581) [** +1.815.282.7581](tel:1-815-282-7581) [Contact Us](https://www.superiorjt.com/cs/c/?cta_guid=4762bf88-9c33-47ef-a2cd-610d5c0801af&signature=AAH58kF0jvAoVARc_2WH-y1jhT_yaXaoPw&pageId=7862781670&placement_guid=6e0442f7-1a16-4186-a050-2d8c3c6a5e12&click=98b8f95c-5ee9-4626-96dc-5d532b21b2e0&hsutk=&canon=https%3A%2F%2Fwww.superiorjt.com%2F&portal_id=5195771&redirect_url=APefjpGJ8LLDhUsB8Gza5MQe6e8PELoAFArOV50BcQB156LSJHTuGVzXgc1a0H0ZcWzVS9Sh1eJ3mDzgEoux7OJ58XPn8kzIkS-ltF32yNSE6pQdGIBowOg) [![Precision Laser Cutting Services - Superior Joining Technologies](https://www.superiorjt.com/hubfs/STJI-optimized-logo.png "Precision Laser Cutting Services - Superior Joining Technologies")](https://www.superiorjt.com/#) ** [![Contact Us](https://no-cache.hubspot.com/cta/default/5195771/6e0442f7-1a16-4186-a050-2d8c3c6a5e12.png)](https://cta-redirect.hubspot.com/cta/redirect/5195771/6e0442f7-1a16-4186-a050-2d8c3c6a5e12) - [Home](https://www.superiorjt.com/) - [Resistance Welding](https://www.superiorjt.com/resistance-welding) - Circumferential Seam Welding # Circumferential Seam Welding ![Circumferential Seam Welding](https://www.superiorjt.com/hs-fs/hubfs/Superior_February2019/Image/0052.jpg?width=300&height=168&name=0052.jpg)Circumferential Seam Welding, also known as Resistance Seam Welding, is a process that joins two or more members of an assembly in a lap joint configuration by producing a series of overlapping resistance spots. It can be used in a circumferential, cylindrical application as well as flat assemblies. It has proven to be a valuable companion service to the rolling department at SJTI. Our system is most suited to use on stainless steel assemblies. Our process performs welding in compliance with AWS D17.2. [Contact Us](https://www.superiorjt.com/contact) for more information on our resistance seam welding services. ## Sheet Rolling ![Sheet Rolling](https://www.superiorjt.com/hs-fs/hubfs/Superior_February2019/Image/TS1_8820-SJTi.jpg?width=300&height=200&name=TS1_8820-SJTi.jpg)Sheet rolling is a value-added service we offer in conjunction with our [Longitudinal Steam GTAW](https://www.superiorjt.com/services/welding-services/gas-tungsten-arc-welding/longitudinal-seam-gtaw) and Circumferential Seam Welding services to fabricate custom pressure vessels as used in aerospace applications. We can handle materials from 0.010" thick stock 60" wide, for diameters from 2.00" to 48." [![Request A Quote](https://no-cache.hubspot.com/cta/default/5195771/f8127db5-934d-4c7c-b8b2-b45bdf0b5fa9.png)](https://cta-redirect.hubspot.com/cta/redirect/5195771/f8127db5-934d-4c7c-b8b2-b45bdf0b5fa9) ![](https://www.superiorjt.com/hubfs/fabrication-process.jpg) ![](https://www.superiorjt.com/hubfs/Superior_February2019/Image/17.jpg) ![](https://www.superiorjt.com/hubfs/Superior_February2019/Image/31.jpg) ## NADCAP and Industry Certifications for Welding and CNC Machining - Superior Joining Technologies is a Woman-Owned Business. - FAA Repair Station OP Spec (3SJR972Y) Certified for Welding, Fluorescent Penetrant and Magnetic Particle Inspection. - UTC Aerospace Approved to AWS - Fusion Welding for Aerospace Applications. - United States / Canada Joint Certified [(certificate).](https://www.superiorjt.com/hubfs/JCP%20Approval%20%20Letter.pdf) - Smithers ISO 9001 [(certificate)](https://www.superiorjt.com/hubfs/ISO%20Certificate%20Superior%20Joining.pdf) and AS9100 [(certificate) ](https://www.superiorjt.com/hubfs/AS%20Certificate%20Superior%20Joining.pdf) - Nadcap Accredited for Fluorescent Penetrant and Magnetic Particle Inspection [(certificate)](https://www.superiorjt.com/hubfs/Certificate%20Nadcap%20(Aerospace)%20NonDestructive%20Testing%20audit%20%23%20237421%20(2).pdf), Fusion Welding, Laser Welding [(certificate)](https://www.superiorjt.com/hubfs/Certificate-Nadcap-Aerospace-for-Welding.pdf) - Woodward, Inc. Approved Supplier for NDT #3016777 - FAA Drug & Alcohol Free Workplace Certified. - Access to Foreign Trade Zone. - ITAR Certified by the DDTC [(certificate)](https://www.superiorjt.com/hubfs/ITAR%20Registration%20Letter%20M42686%20%20Exp%206-30-2025.pdf).  - Military Critical Technical Data Agreement [(certificate).](https://www.superiorjt.com/hubfs/SUPERIOR%20JOINING%20TECHNOLOGIES%20INC-05ZR4-44273624-JEC.pdf) --- ![nadcap_logo](https://www.superiorjt.com/hs-fs/hubfs/nadcap_logo.jpg?width=149&height=57&name=nadcap_logo.jpg) [![Fabricators & Manufacturers Association](https://www.superiorjt.com/hs-fs/hubfs/Superior_February2019/Image/FMAlogo.jpg?width=158&height=97&name=FMAlogo.jpg)    ](https://www.fmamfg.org/)[![American Welding Society](https://www.superiorjt.com/hs-fs/hubfs/Superior_February2019/Image/aws_color_logo.jpg?width=130&height=100&name=aws_color_logo.jpg)    ![laser-institute-of-america](https://www.superiorjt.com/hs-fs/hubfs/laser-institute-of-america.jpg?width=105&height=29&name=laser-institute-of-america.jpg)](https://www.lia.org/)   Quick Links [****   News**](https://www.superiorjt.com/current-news) [****   Photo Gallery**](https://www.superiorjt.com/gallery/photo-gallery/event/portfolio?layout=imagelist) [*****   "Joining With You"***](https://www.superiorjt.com/about-us/joining-with-you) [*****   Diversity Statement***](https://www.superiorjt.com/diversity-statement) Follow Us [**](https://www.facebook.com/superiorjoining/)   [**](https://www.linkedin.com/company/superior-joining-technologies-inc-/)    [![Contact Us](https://no-cache.hubspot.com/cta/default/5195771/22f46eb6-1501-4e98-9048-4c0a49780438.png)](https://cta-redirect.hubspot.com/cta/redirect/5195771/22f46eb6-1501-4e98-9048-4c0a49780438) [![Request A Quote](https://no-cache.hubspot.com/cta/default/5195771/f8127db5-934d-4c7c-b8b2-b45bdf0b5fa9.png)](https://cta-redirect.hubspot.com/cta/redirect/5195771/f8127db5-934d-4c7c-b8b2-b45bdf0b5fa9) [**Go Home  ****](https://www.superiorjt.com/) Superior Joining Technologies, Inc.  •   phone (815) 282-7581 1260 Turret Dr.   Machesney Park, IL  61115  [Sitemap](https://www.superiorjt.com/sitemap) | © Copyright 2024 [**  **To Top**](https://www.superiorjt.com/services/welding-services/resistance-welding/circumferential-seam-welding#)   [**Go Home  ****](https://www.superiorjt.com/) [**  **To Top**](https://www.superiorjt.com/services/welding-services/resistance-welding/circumferential-seam-welding#) Superior Joining Technologies, Inc. phone (815) 282-7581 1260 Turret Dr,  Machesney Park, IL  61115 [Sitemap](https://www.superiorjt.com/sitemap) ```json { "@context" : "https://schema.org", "@type" : "Corporation", "alternateName" : "Superior Joining Technologies", "contactPoint" : { "@type" : "ContactPoint", "areaServed" : "US", "availableLanguage" : "en", "contactType" : "customer service", "telephone" : "(815) 332-0776" }, "logo" : "https://www.superiorjt.com/hubfs/STJI-optimized-logo.png", "name" : "Superior Joining Technologies, Inc.", "sameAs" : [ "https://www.facebook.com/superiorjoining/", "https://www.linkedin.com/company/superior-joining-technologies-inc-/" ], "url" : "https://www.superiorjt.com/" } ``` ```json { "@context" : "https://schema.org", "@type" : "Organization", "alternateName" : "SJTI", "logo" : "https://www.superiorjt.com/hubfs/STJI-optimized-logo.png", "name" : "Superior Joining Technologies, Inc.", "sameAs" : [ "https://www.facebook.com/superiorjoining/", "https://www.linkedin.com/company/superior-joining-technologies-inc-", "https://www.youtube.com/channel/UCMDnQFFiJohx5z2Bccoty4g" ], "url" : "https://www.superiorjt.com/" } ``` ```json { "@context" : "https://schema.org", "@id" : "", "@type" : "LocalBusiness", "address" : { "@type" : "PostalAddress", "addressCountry" : "US", "addressLocality" : "Machesney Park", "addressRegion" : "IL", "postalCode" : "61115", "streetAddress" : "1260 Turret Dr." }, "geo" : { "@type" : "GeoCoordinates", "latitude" : 42.3791499, "longitude" : -89.0306274 }, "image" : "https://www.superiorjt.com/hubfs/STJI-optimized-logo.png", "name" : "Superior Joining Technologies, Inc.", "openingHoursSpecification" : { "@type" : "OpeningHoursSpecification", "closes" : "16:30", "dayOfWeek" : [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" ], "opens" : "06:30" }, "sameAs" : [ "https://www.facebook.com/superiorjoining/", "https://www.linkedin.com/company/superior-joining-technologies-inc-/" ], "telephone" : "(815) 332-0776", "url" : "https://www.superiorjt.com/" } ```