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
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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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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
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All items ship from Houston, TX.

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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 19 in stock
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All items ship from Houston, TX.

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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 124 in stock
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All items ship from Houston, TX.

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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 = $8.25
10 - 49 = $7.56
50 - 99 = $6.88
100 + = $5.50
Quantity:
–
+
We show 59 in stock
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All items ship from Houston, TX.

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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 = $9.27
10 - 49 = $8.50
50 - 99 = $7.73
100 + = $6.18
Quantity:
–
+
We show 23 in stock
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All items ship from Houston, TX.

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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 44 in stock
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All items ship from Houston, TX.

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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 46 in stock
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All items ship from Houston, TX.

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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 43 in stock
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All items ship from Houston, TX.

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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 72 in stock
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All items ship from Houston, TX.

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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 18 in stock
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All items ship from Houston, TX.

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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 18 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.

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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 3 in stock
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All items ship from Houston, TX.

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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
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All items ship from Houston, TX.

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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 = $10.35
10 - 49 = $9.49
50 - 99 = $8.63
100 + = $6.04
Quantity:
–
+
We show 29 in stock
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All items ship from Houston, TX.

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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 28 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.

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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 44 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.

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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 16 in stock
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All items ship from Houston, TX.

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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 = $24.00
10 - 24 = $22.00
25 - 49 = $20.40
50 + = $16.00
Quantity:
–
+
We show 23 in stock
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All items ship from Houston, TX.

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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 34 in stock
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All items ship from Houston, TX.

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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
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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.

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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 15 in stock
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All items ship from Houston, TX.

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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
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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.