Black Iron Pipe Fittings

Black malleable iron pipe fittings in NPT sizes: elbows, tees, couplings, unions, caps, plugs, bushings and nipples.

Black iron pipe fittings

Black malleable iron 150# pipe fittings in NPT sizes: elbows, tees, couplings, unions, caps, plugs, bushings and nipples, used for gas lines, air lines and pipe furniture. Small orders ship by parcel, free on qualifying orders; heavy, oversize and hazmat items ship at the freight shown in your cart for your ZIP before checkout. Buying by the box for a contractor or plant? send your list for a volume quote.

Choosing black or galvanized, MIP vs. FIP, and how far past hand-tight to go: Black Pipe Fittings: Malleable Iron Sizing, Threading, and When to Use Them.

Contractor or plant quantities? We quote black iron fittings by the case: request a bulk pipe fittings quote. Comparing materials? See our pipe fitting material guide.

Looking for a specific size? See the pipe size chart: outside diameter, NPT threads per inch and Schedule 40 and 80 inside diameters from 1/8 to 4 in.

Searched as black pipe fittings or black steel pipe fittings: these are black malleable iron fittings that thread onto black steel pipe.

Related categories: galvanized steel & iron fittings, PVC pipe fittings and pipe insulation.

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Questions about Black Iron Pipe Fittings

What does this collection include?
Black malleable iron pipe fittings: 90 and 45 degree elbows, street elbows, tees, couplings, unions, caps, plugs, bushings, reducers, nipples and floor flanges in NPT sizes. Galvanized fittings are in Galvanized Steel & Iron Fittings.

How are pipe fittings sized?
By nominal pipe size and thread. FIP or FPT means female NPT threads, MIP or MPT means male. A 1/2 in. fitting fits 1/2 in. nominal pipe, which measures about 0.84 in. outside diameter, so measure the pipe OD rather than the inside. Reducing fittings list both sizes.

Which brands do you carry here?
Brands in this collection include STZ Industries, Billco, Anvil and B&K.

How fast does it ship?
Each order ships from the warehouse that stocks the item. Your cart shows the shipping options and cost for your ZIP before you check out.

Does shipping cost extra?
Freight depends on which supplier ships the item. Your cart shows each shipment's freight and any free-freight threshold before you check out.

Can I get a better price on a larger quantity?
Larger quantities often price lower. In your cart, use "Request a quote for this cart" (or our Request a Quote form) for a volume price.

How can I pay?
By card at checkout. ACH or check is accepted on invoiced orders, and Net 30 terms are available for approved business accounts.

What if something arrives damaged or wrong?
Tell us within 7 days of delivery, with photos and your order number, and we will replace it or refund it at our cost. Items you no longer want can only come back with prior approval, within 14 days, unopened, with a 20% restocking fee, and the buyer pays the return freight. Custom, opened and hazardous items, and chemicals and adhesives once shipped, cannot be returned. Details are in our Refund & Return Policy.