Malleable Iron

  • Malleable Iron Couplings are available in both black and galvanized finishes.
  • All are Full Couplings.
  • Malleable Iron Couplings are stocked in sizes from 1/8" to 4".
Five different sizes of Malleable Iron CouplingsTemperature/Pressure cross reference for Malleable Iron CouplingsSizes are Nominal Pipe Size (NPS) - size chart
Malleable Iron Couplings
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To start, select size. Follow the green box to refine selections as desired. Click “Lookup Product” any time after selecting size to display products matching criteria entered so far. Fields autofill when only one choice. Or use search box above.

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Class for pipe fittings is a standard defined by the ASME/ASTM. Though stated with a # sign, such as 150# or 3000#, it is not a direct pressure rating.  The pressure rating is dependent on material and temperature and is found by consulting an appropriate reference guide.
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Black - standard pipe finish. Galvanized - zinc plated for corrosion resistance.
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Domestic = Made in the USA Import = Made anywhere else
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Full couplings are intended to join two pieces of pipe together. Half couplings are used to make a branch connection instead of using a sockolet or thredolet.

Couplings » Malleable Iron
  • Product Name: BMI.125 STD COUPLING
  • SKU: 104145
  • Weight: .06
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 0.125
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1/8" PIPE(.405 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $4.20
10 - 49 = $3.85
50 - 99 = $3.50
100 + = $2.80
Quantity:
+
We show 25 in stock
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All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI.250 STD COUPLING
  • SKU: 104287
  • Weight: .06
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 0.25
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1/4" PIPE(.540 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $2.88
10 - 49 = $2.64
50 - 99 = $2.40
100 + = $1.92
Quantity:
+
We show 48 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI.375 STD COUPLING
  • SKU: 103685
  • Weight: .13
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 0.375
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 3/8" PIPE(.675 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $3.45
10 - 49 = $3.16
50 - 99 = $2.88
100 + = $2.30
Quantity:
+
We show 0 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI.500 STD COUPLING
  • SKU: 103051
  • Weight: .20
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 0.50
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1/2" PIPE(.840 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $2.55
10 - 49 = $2.34
50 - 99 = $2.13
100 + = $1.70
Quantity:
+
We show 111 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI.750 STD COUPLING
  • SKU: 103052
  • Weight: .29
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 0.75
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 3/4" PIPE(1.05 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $3.00
10 - 49 = $2.75
50 - 99 = $2.50
100 + = $2.00
Quantity:
+
We show 117 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI1.00 STD COUPLING
  • SKU: 104242
  • Weight: .48
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 1.00
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1" PIPE(1.315 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $4.80
10 - 24 = $4.40
25 - 49 = $4.00
50 + = $3.20
Quantity:
+
We show 83 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI1.25 STD COUPLING
  • SKU: 107845
  • Weight: .74
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 1.25
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1-1/4" PIPE(1.66 OD) FEMALE THREADS,ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $5.25
10 - 24 = $4.81
25 - 49 = $4.38
50 + = $3.50
Quantity:
+
We show 21 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI1.50 STD COUPLING
  • SKU: 100878
  • Weight: 1.00
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 1.50
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 1-1/2" PIPE(1.90 OD) FEMALE THREADS,ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $7.95
10 - 24 = $7.29
25 - 49 = $6.76
50 + = $5.30
Quantity:
+
We show 1 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI2.00 STD COUPLING
  • SKU: 104141
  • Weight: 1.45
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 2.00
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 2" PIPE(2.375 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $11.70
10 - 24 = $10.73
25 - 49 = $9.95
50 + = $7.80
Quantity:
+
We show 26 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI3.00 STD COUPLING
  • SKU: 113601
  • Weight: 3.30
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 3.00
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 3" PIPE(3.50 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $31.50
10 - 24 = $28.00
25 - 49 = $24.50
50 + = $21.70
Quantity:
+
We show 4 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: BMI4.00 STD COUPLING
  • SKU: 107769
  • Weight: 5.65
  • Class: 150#
  • Finish: black
  • Origin: import
  • Size: 4.00
  • Type: full

Description:
IMPORT BLACK MALLEABLE IRON

FOR 4" PIPE(4.50 OD) FEMALES THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 4 = $60.75
5 - 24 = $54.00
25 - 49 = $47.25
50 + = $41.85
Quantity:
+
We show 4 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI.250 STD COUPLING
  • SKU: 104139
  • Weight: .09
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 0.25
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 1/4" PIPE(.540 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $2.13
10 - 49 = $1.95
50 - 99 = $1.81
100 + = $1.42
Quantity:
+
We show 664 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI.375 STD COUPLING
  • SKU: 107763
  • Weight: .13
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 0.375
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 3/8" PIPE(.675 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $2.13
10 - 49 = $1.95
50 - 99 = $1.78
100 + = $1.42
Quantity:
+
We show 7 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI.500 STD COUPLING
  • SKU: 109275
  • Weight: .20
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 0.50
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 1/2" PIPE(.840 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $2.43
10 - 49 = $2.23
50 - 99 = $2.07
100 + = $1.62
Quantity:
+
We show 867 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI.750 STD COUPLING
  • SKU: 106814
  • Weight: .31
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 0.75
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 3/4" PIPE(1.05 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $3.30
10 - 49 = $3.03
50 - 49 = $2.81
50 + = $2.20
Quantity:
+
We show 25 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI1.00 STD COUPLING
  • SKU: 105282
  • Weight: .46
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 1.00
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 1" PIPE(1.315 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $6.45
10 - 24 = $5.91
25 - 49 = $5.48
50 + = $4.30
Quantity:
+
We show 22 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI1.25 STD COUPLING
  • SKU: 101139
  • Weight: .89
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 1.25
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 1-1/4" PIPE(1.66 OD) FEMALE THREADS, ASTM A153/ASME B16.

Price by Quantity:
1 - 9 = $6.45
10 - 24 = $5.91
25 - 49 = $5.48
50 + = $4.30
Quantity:
+
We show 17 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI1.50 STD COUPLING
  • SKU: 107540
  • Weight: 1.00
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 1.50
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 1-1/2" PIPE(1.90 OD) FEMALE THREADS,ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $7.20
10 - 24 = $6.60
25 - 49 = $6.12
50 + = $4.80
Quantity:
+
We show 104 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI2.00 STD COUPLING
  • SKU: 103849
  • Weight: 1.45
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 2.00
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 2" PIPE(2.375 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $10.50
10 - 24 = $9.63
25 - 49 = $8.93
50 + = $7.00
Quantity:
+
We show 109 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI2.50 STD COUPLING
  • SKU: 107582
  • Weight: 2.45
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 2.50
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 2-1/2 PIPE(2.875 OD) FEMALE THREADS,ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $34.29
10 - 24 = $31.43
25 - 49 = $28.58
50 + = $22.86
Quantity:
+
We show 5 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI3.00 STD COUPLING
  • SKU: 112407
  • Weight: 3.30
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 3.00
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 3" PIPE(3.50 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $37.13
10 - 24 = $33.00
25 - 49 = $28.88
50 + = $25.58
Quantity:
+
We show 12 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Couplings » Malleable Iron
  • Product Name: GMI4.00 STD COUPLING
  • SKU: 107583
  • Weight: 5.73
  • Class: 150#
  • Finish: galvanized
  • Origin: import
  • Size: 4.00
  • Type: full

Description:
IMPORT GALV MALLEABLE IRON

FOR 4 PIPE(4.50 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $78.75
10 - 24 = $70.00
25 - 49 = $61.25
50 + = $54.25
Quantity:
+
We show 3 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.