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Charlotte area contractor supply store | Fast pickup | Local delivery available | Call 704-835-1086
Charlotte contractor supply store | Fast pickup | Local delivery available | Call 704-835-1086
Black Steel Fittings - Nipples

Black Steel Fittings - Nipples

Complete your gas, fire suppression, or industrial piping system with black steel malleable iron fittings — 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.

What Are Black Steel Fittings?

Black steel fittings are malleable iron threaded fittings with a black oxide finish (no galvanizing). They are designed for use with black steel pipe on natural gas, propane, fire sprinkler, steam, and compressed air systems. The black finish distinguishes them from galvanized fittings, which are not suitable for gas service.

Fitting Types Available

  • Elbows — 90° and 45° in street and standard configurations
  • Tees — straight and reducing tees for branch connections
  • Couplings — standard and reducing for inline connections
  • Nipples — close, short, and long in common sizes
  • Caps & Plugs — for capping open ends and pressure testing
  • Unions — for connections that may need to be broken and remade
  • Bushings — for reducing threaded connections

Common Applications

  • Natural gas and propane distribution lines
  • Fire suppression and sprinkler systems
  • Steam and high-temperature piping
  • Compressed air systems
  • Industrial process piping

Key Specs

  • Material: Malleable iron with black oxide finish
  • Thread standard: NPT (National Pipe Thread)
  • Pressure rated: 150 lb class (standard) — suitable for most gas and steam applications
  • Sizes: 1/4" through 2" (common stock sizes)
  • Not for use with galvanized pipe on gas lines — always use black fittings with black pipe for gas service

Same-day pickup available at AC Construction Depot in Pineville, NC. Serving plumbers, pipefitters, and contractors across the greater Charlotte area. Call us at 704-835-1086 to confirm availability on specific sizes and configurations before your trip.

Filtros

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$2.26 - $2.26
$2.26
$2.26 - $2.26
$2.26

Boquilla de acero negro Southland - 1/2" x 2-1/2"

Boquilla de acero negro Southland - 1/2" x 2-1/2" Modelo: 583-025HN SKU: ACPI15912363 TAPA: D9-4

$2.26 - $2.26
$2.26
$2.26 - $2.26
$2.26
$1.69 - $1.69
$1.69
$1.69 - $1.69
$1.69

STZ Black Steel Nipple - 3/4" X 1-1/2"

STZ Industries Black Steel ??Nipple - 3/4" X 1-1/2" Model: 500876 LID:??D9-3

$1.69 - $1.69
$1.69
$1.69 - $1.69
$1.69
$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99

STZ Industries Black Steel Nipple MPT x MPT - 3/4" x 3"

STZ Industries Black Steel Nipple MPT x MPT - 3/4in x 3in Model: 500879/584-030HN LID: D9-3

$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99
$1.41 - $1.41
$1.41
$1.41 - $1.41
$1.41

STZ Black Steel Pipe Nipple 3/4" x 2"

STZ Industries Black Steel Pipe Nipple 3/4" x 2" Model: 500877 LID: D9-3

$1.41 - $1.41
$1.41
$1.41 - $1.41
$1.41
$3.99 - $3.99
$3.99
$3.99 - $3.99
$3.99

STZ Black Steel Pipe Nipple 3/4" x 5"

STZ Industries Black Steel Pipe Nipple 3/4" x 5" Model: 500883 LID: D9-3

$3.99 - $3.99
$3.99
$3.99 - $3.99
$3.99
Agotado
$2.79 - $2.79
$2.79
$2.79 - $2.79
$2.79

Boquilla de acero negro Southland - 3/4" x 1-1/2"

Boquilla de acero negro B&K/Mueller Southland - 3/4 pulg. x 1-1/2 pulg. Modelo: 584-015HN SKU: ACPI15912462 TAPA : D9-3

$2.79 - $2.79
$2.79
$2.79 - $2.79
$2.79
Agotado
$1.86 - $1.86
$1.86
$1.86 - $1.86
$1.86

STZ Black Steel Pipe Nipple- 3/4" X 2-1/2"

STZ Industries Black Steel Pipe Nipple -3/4in X 2-1/2in Model: 500878 LID: D9-3

$1.86 - $1.86
$1.86
$1.86 - $1.86
$1.86
$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99

STZ Black Steel Pipe Nipple- 3/4" X 3-1/2"

STZ Industries Black Steel Pipe Nipple -3/4in X 3-1/2in Model: 500880 LID: D9-3

$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99
$2.49 - $2.49
$2.49
$2.49 - $2.49
$2.49

STZ Black Steel Pipe Nipple- 3/4" x 4-1/2"

STZ Industries Black Steel Pipe Nipple-3/4in x 4-1/2in Model: 500882 LID: D9-3

$2.49 - $2.49
$2.49
$2.49 - $2.49
$2.49
$3.29 - $3.29
$3.29
$3.29 - $3.29
$3.29

STZ Black Steel Pipe Nipple- 3/4" X 4"

STZ Industries Black Steel Pipe Nipple- 3/4" X 4" Model: 500881 LID: G9-3

$3.29 - $3.29
$3.29
$3.29 - $3.29
$3.29
Agotado
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

586-600HC 1-1/4X60 TUBO NEGRO

586-600HC TUBO NEGRO 1-1/4X60, SKU: ACPI16101354 TAPA: E-EC1

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Agotado
$5.76 - $5.76
$5.76
$5.76 - $5.76
$5.76

Boquilla de acero de hierro negro Southland MPT x MPT - 1-1/2" x 3"

Boquilla de acero de hierro negro Southland MPT x MPT - 1-1/2" x 3" Modelo: 587-030HN SKU: ACPI15912819 TAPA: D8-2

$5.76 - $5.76
$5.76
$5.76 - $5.76
$5.76
$3.96 - $3.96
$3.96
$3.96 - $3.96
$3.96

Tetina de acero negro Southland - 1" x 3"

Tetina de acero negro Southland - 1" x 3" Modelo: 585-030HN SKU: ACPI15912694 TAPA: D9-2

$3.96 - $3.96
$3.96
$3.96 - $3.96
$3.96
Agotado
$2.27 - $2.27
$2.27
$2.27 - $2.27
$2.27

Southland Nipple-Black Steel - 1-1/4" x 2"

Southland Nipple-Black Steel - 1-1/4" x 5"?? Model: 586-050HP/HC?? SKU: ACPI15912777 LID: D9-1

$2.27 - $2.27
$2.27
$2.27 - $2.27
$2.27
Agotado
$2.99 - $2.99
$2.99
$2.99 - $2.99
$2.99

STZ Black Steel Pipe Nipple - 1-1/2" X 2"

STZ Industries Black Steel Pipe Nipple - 1-1/2" X 2" Model: 500822 LID: D8-2

$2.99 - $2.99
$2.99
$2.99 - $2.99
$2.99
$1.56 - $1.56
$1.56
$1.56 - $1.56
$1.56

STZ Black Steel Nipple - 1" x 3"

STZ Industries Black Steel Nipple - 1" x 3" Model: 500857 SKU: ACPI15912694 LID: D9-2

$1.56 - $1.56
$1.56
$1.56 - $1.56
$1.56
Agotado
$13.99 - $13.99
$13.99
$13.99 - $13.99
$13.99

5-9540 17" EXTRA HY DTY UV NEGRO 50 (Archivado)

586-360HC TUBO NEGRO 1-1/4X36, SKU: ACPI16101339

$13.99 - $13.99
$13.99
$13.99 - $13.99
$13.99
Agotado
$2.94 - $2.94
$2.94
$2.94 - $2.94
$2.94

Boquilla de acero negro Southland - 1/2" x 3-1/2"

Boquilla de acero negro Southland - 1/2" x 3-1/2" Modelo: 583-035HP/HC SKU: ACPI15912389 TAPA: D9-4

$2.94 - $2.94
$2.94
$2.94 - $2.94
$2.94
Agotado
$3.56 - $3.56
$3.56
$3.56 - $3.56
$3.56

Boquilla de acero negro Southland - 1/2" x 4-1/2"

Boquilla de acero negro Southland - 1/2" x 4-1/2" Modelo: 583-045HN SKU: ACPI15912405 TAPA: D9-4

$3.56 - $3.56
$3.56
$3.56 - $3.56
$3.56
Agotado
$12.57 - $12.57
$12.57
$12.57 - $12.57
$12.57

Pezón Southland de acero negro - 2" x 5"

Pezón Southland de acero negro - 2" x 5" Modelo: 588-050HN SKU: ACPI15912884 TAPA: D8-1

$12.57 - $12.57
$12.57
$12.57 - $12.57
$12.57
Agotado
$2.06 - $2.06
$2.06
$2.06 - $2.06
$2.06

Pezón Southland Acero Negro - 1/2" x 1/2"

Pezón Southland Acero Negro - 1/2" x 1/2" Modelo: 583-015HN SKU: ACPI15912348 TAPA: D9-4

$2.06 - $2.06
$2.06
$2.06 - $2.06
$2.06
Agotado
$3.76 - $3.76
$3.76
$3.76 - $3.76
$3.76

Boquilla para tubo de acero negro Southland - 1/2" x 5"

Boquilla para tubo de acero negro Southland - 1/2" x 5" Modelo: 583-050HN SKU: ACPI15912413 TAPA: D9-4

$3.76 - $3.76
$3.76
$3.76 - $3.76
$3.76
$3.79 - $3.79
$3.79
$3.79 - $3.79
$3.79

Boquilla de acero negro Southland - 3/4" x 3-1/2"

Boquilla de acero negro B&K/Mueller Southland - 3/4 pulg. x 3-1/2 pulg. Modelo: 584-035HN\156587 SKU: ACPI15912603 TAPA : D9-3

$3.79 - $3.79
$3.79
$3.79 - $3.79
$3.79
Agotado
$3.99 - $3.99
$3.99
$3.99 - $3.99
$3.99

Boquilla de acero negro Southland - 3/4" x 4"

Boquilla de acero negro Southland - 3/4" x 4" Modelo: 584-040HN SKU: ACPI15912611 TAPA: D9-3

$3.99 - $3.99
$3.99
$3.99 - $3.99
$3.99
Agotado

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