Malleable Iron

  • Malleable Iron Unions are available in both black and galvanized finishes.
  • Sizes of Malleable Iron Unions stocked range from 1/8" to 4".
Four different Malleable Iron Unions in black and galvanized finishes.Temperature/Pressure cross reference for Malleable Iron UnionsSizes are Nominal Pipe Size (NPS) - size chart
Malleable Iron Unions
Help

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.

i
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.
i
Black - standard pipe finish. Galvanized - zinc plated for corrosion resistance.
i
Domestic = Made in the USA Import = Made anywhere else
Enlarge
Unions » Malleable Iron
  • Product Name: BMI.125 STD UNION
  • SKU: 103866
  • Weight: .15
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 0.125

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $11.31
10 - 49 = $10.37
50 - 99 = $9.43
100 + = $7.54
Quantity:
–
+
We show 0 in stock
cart-icon
Get a quick quote

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

Enlarge
Unions » Malleable Iron
  • Product Name: BMI.250 STD UNION
  • SKU: 104313
  • Weight: .46
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 0.25

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $12.75
10 - 49 = $11.69
50 - 99 = $10.84
100 + = $8.50
Quantity:
–
+
We show 14 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI.375 STD UNION
  • SKU: 103876
  • Weight: .42
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 0.375

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $8.40
10 - 49 = $7.70
50 - 99 = $7.00
100 + = $5.60
Quantity:
–
+
We show 49 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI.500 STD UNION
  • SKU: 100976
  • Weight: .44
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 0.50

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $7.83
10 - 49 = $7.18
50 - 99 = $6.53
100 + = $5.22
Quantity:
–
+
We show 81 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI.750 STD UNION
  • SKU: 100977
  • Weight: .60
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 0.75

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $9.00
10 - 49 = $8.25
50 - 99 = $7.50
100 + = $6.00
Quantity:
–
+
We show 39 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI1.00 STD UNION
  • SKU: 100978
  • Weight: .79
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 1.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $12.00
10 - 24 = $11.00
25 - 49 = $10.00
50 + = $8.00
Quantity:
–
+
We show 139 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI1.25 STD UNION
  • SKU: 100979
  • Weight: 1.45
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 1.25

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 = $15.75
10 - 24 = $14.44
25 - 49 = $13.39
50 + = $10.50
Quantity:
–
+
We show 40 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI1.50 STD UNION
  • SKU: 100980
  • Weight: 1.69
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 1.50

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 = $19.50
10 - 24 = $17.88
25 - 49 = $16.25
50 + = $11.38
Quantity:
–
+
We show 135 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI2.00 STD UNION
  • SKU: 100981
  • Weight: 2.67
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 2.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $28.50
10 - 24 = $26.13
25 - 49 = $23.75
50 + = $19.00
Quantity:
–
+
We show 144 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI2.50 STD UNION
  • SKU: 103907
  • Weight: 3.60
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 2.50

Description:
IMPORT BLACK MALLEABLE IRON

FOR 2-1/2" PIPE(2.875 OD) FEMALE THREAD,ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $75.00
10 - 24 = $68.75
25 - 49 = $63.75
50 + = $50.00
Quantity:
–
+
We show 10 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI3.00 STD UNION
  • SKU: 101622
  • Weight: 5.14
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 3.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $67.50
10 - 24 = $60.00
25 - 49 = $52.50
50 + = $46.50
Quantity:
–
+
We show 14 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.

Enlarge
Unions » Malleable Iron
  • Product Name: BMI4.00 STD UNION
  • SKU: 103946
  • Weight: 10.38
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 4.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $162.23
10 - 24 = $144.20
25 - 49 = $126.18
50 + = $111.76
Quantity:
–
+
We show 2 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI.250 STD UNION
  • SKU: 107807
  • Weight: .47
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.25

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $8.84
10 - 49 = $8.11
50 - 99 = $7.52
100 + = $5.90
Quantity:
–
+
We show 49 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI.500 STD UNION
  • SKU: 104987
  • Weight: .45
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.50

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $9.60
10 - 49 = $8.80
50 - 99 = $8.00
100 + = $5.60
Quantity:
–
+
We show 81 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI.750 STD UNION
  • SKU: 103444
  • Weight: .63
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.75

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $12.30
10 - 49 = $11.28
50 - 99 = $10.25
100 + = $8.20
Quantity:
–
+
We show 20 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI1.00 STD UNION
  • SKU: 106372
  • Weight: .94
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.00

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $14.40
10 - 24 = $13.20
25 - 49 = $12.00
50 + = $9.60
Quantity:
–
+
We show 141 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI1.25 STD UNION
  • SKU: 101232
  • Weight: 1.45
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.25

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $18.75
10 - 24 = $17.19
25 - 49 = $15.94
50 + = $12.50
Quantity:
–
+
We show 14 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI1.50 STD UNION
  • SKU: 102236
  • Weight: 1.72
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.50

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 = $23.55
10 - 24 = $21.59
25 - 49 = $20.02
50 + = $15.70
Quantity:
–
+
We show 23 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI2.00 STD UNION
  • SKU: 101797
  • Weight: 2.44
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 2.00

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $31.50
10 - 24 = $28.88
25 - 49 = $26.78
50 + = $21.00
Quantity:
–
+
We show 49 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI2.50 STD UNION
  • SKU: 100885
  • Weight: 3.70
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 2.50

Description:
IMPORT GALV MALLEABLE IRON

FOR 2-1/2 PIPE(2.875 OD) FEMALE THREADS,ASTM A197/ASME B16.3

Price by Quantity:
1 - 9 = $87.00
10 - 24 = $79.75
25 - 49 = $72.50
50 + = $58.00
Quantity:
–
+
We show 3 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI3.00 STD UNION
  • SKU: 103157
  • Weight: 4.98
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 3.00

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $99.00
10 - 24 = $88.00
25 - 49 = $77.00
50 + = $68.20
Quantity:
–
+
We show 12 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.

Enlarge
Unions » Malleable Iron
  • Product Name: GMI4.00 STD UNION
  • SKU: 108933
  • Weight: 10.50
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 4.00

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $213.75
10 - 24 = $190.00
25 - 49 = $166.25
50 + = $147.25
Quantity:
–
+
We show 1 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.