Trustpilot

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

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 100 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.

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 = $11.31
10 - 49 = $10.37
50 - 99 = $9.61
100 + = $7.54
Quantity:
+
We show 134 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.

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 196 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.

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 253 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.

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 290 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.

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 425 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.

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 = $15.09
10 - 24 = $13.83
25 - 49 = $12.83
50 + = $10.06
Quantity:
+
We show 89 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.

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 133 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.

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 = $27.78
10 - 24 = $25.47
25 - 49 = $23.15
50 + = $18.52
Quantity:
+
We show 294 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.

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 36 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.

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 = $54.20
10 - 24 = $47.43
25 - 49 = $42.01
50 + = $37.94
Quantity:
+
We show 58 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.

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 = $134.02
10 - 24 = $117.27
25 - 49 = $103.87
50 + = $93.81
Quantity:
+
We show 51 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.

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 149 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.

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 179 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.

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 226 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.

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 194 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.

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 57 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.

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 = $23.43
10 - 24 = $21.48
25 - 49 = $19.92
50 + = $15.62
Quantity:
+
We show 58 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.

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 210 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.

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 33 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.

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 = $88.00
10 - 24 = $77.00
25 - 49 = $72.60
50 + = $68.20
Quantity:
+
We show 46 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.

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 = $181.04
10 - 24 = $158.41
25 - 49 = $149.36
50 + = $140.31
Quantity:
+
We show 26 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.