Chronic exposure can even result in death.) Use Caution Welding Black Pipe Fittings Welding galvanized steel, will generate zinc oxide fumes which are highly toxic. Galvanized pipe is not to be welded unless a proper respirator is worn. We are not including galvanized steel in this discussion. Is it safe to weld?īlack steel pipe is not galvanized, so it is safe to weld. Welding threaded joints with teflon should be avoided. In the rare situation where you try to weld an assembled joint, any teflon present will burn and release toxic gases. One last caution, threaded pipe joints may have teflon tape in the joint. So, be sure to remove any oil, lacquer, or enamel/tar that may be present as well as dirt and debris. Remember, black pipe can also be treated/coated. In most cases, the black oxide layer should be removed with a grinder or wire brush down to bright metal. It not only minimizes fumes and smoke, but it makes for a better weld. To state the obvious, you should utilize good preparation and cleaning procedures. Most welders have a preferred method, and choices include the most common welding methods like stick, MIG, flux core, and TIG welding. Well, you can employ any of your favorite methods that work for mild steel. But what welding processes should you use? So, we already know you can weld black steel pipe. You will also see it used as supply lines in sprinkler systems. It is commonly used as supply lines to carry compressed air, natural gas, propane, and steam. But because of the various names used, some mistake black pipe for iron and wrongly assume that welding is difficult.Īlso, black pipe works well for a number of uses. As already indicated, welding is possible since this product is made from mild steel. So, black pipe is generically any ungalvanized steel pipe.īlack pipe is sometimes called black steel pipe, black iron pipe, and industrial pipe. The industry uses “ black pipe” as a term to differentiate between plain mild steel and galvanized pipe. Depending on the materials and welding process, the answer will vary. So, a simple yes or no is not enough to answer this question properly. Please consider contacting PRM prior to your purchase if it's necessary to know an exact delivery date and time.If black pipe is not welded done properly, it can embrittle connections and even be dangerous.Īs with many things in life, the details are important when welding black pipe. High value items such as blowers, pumps, and fans may have extended lead times due to global supply. The vast majority of PRM products ship directly from our facility within one business day. However, once the item is shipped, delivery time is out of our control. If there is a loading/unloading dock and equipment (forklift) available onsiteĮvery effort is made to expedite your delivery. Whether delivery address is commercial or residential We will be happy to get a freight shipping quote for oversized/overweight items before the purchase is completed. We reserve the right to choose which carrier we ship through to offer you the lowest available rate.ĭue to the size and weight of certain item(s) sometimes we cannot ship using our usual methods (UPS, USPS etc.) We are very experienced with shipments of various sizes and weights, and have longstanding relationships with motor freight carriers, so generally get a very good rate. Most orders will ship via USPS, UPS, or Fedex depending on size and weight. Shipping is automatically calculated using current published rates. We are not responsible for incorrect or undeliverable addresses. It is very important that the correct shipping address is entered at checkout. Orders are normally shipped from our facility in North Carolina within 1-2 business days after the payment is made. PRM's liability in all events is limited to the purchase price paid for the product. PRM is not liable for claims arising out of product misuse, improper product selection, improper installation, and/or product modification. Customer should contact the manufacturer for warranty service.ĭ. Non-PRM branded products retain their manufacturer's warranty. If PRM approves the product is accepted for return during the limited warranty period, PRM may repair, replace, or refund the amount paid by the customer.Ĭ. PRM Limited Warranties are applicable to PRM branded products, non-transferable, and warrant against manufacturer defects in workmanship and materials under normal use for 1 year after the date of the PRM invoice unless otherwise stated. Please contact PRM to provide additional information regarding a return.ī. Returns submitted within 30 days of the original invoice and must be in original packaging and in new condition. If not satisfied with a PRM product for any reason, customers should contact PRM. Sampling, Industrial, Safety and MaintenanceĪ.Gauges, Transmitters, Liquid Level Instruments.
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