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Malleable Iron

  • Malleable Iron Plugs are available in both black and galvanized finishes.
  • Stocked in sizes from 1" to 6".
  • All Malleable Iron Plugs have a Square Head.
Three different Malleable Iron Plugs in black and galvanized finishes.Temperature/Pressure cross reference for Malleable Iron PlugsSizes are Nominal Pipe Size (NPS) - size chart
Malleable Iron Plugs
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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. XH relates to pipe wall thickness according to standard chart for given pipe diameter. bar means the item is made from solid bar stock and can be used for ratings up to and including class 6000#.
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Threaded - standard exposed head. Threaded by Socket - hex socket used to turn plug.
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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 elsewhere.
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Hex, Round, or Square head.
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Plugs » Malleable Iron
  • Product Name: BMI1.00 SQ HD PLUG
  • SKU: 100966
  • Weight: .25
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 1.00
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $2.07
10 - 24 = $1.90
25 - 49 = $1.76
50 + = $1.38
Quantity:
–
+
We show 577 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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Plugs » Malleable Iron
  • Product Name: BMI1.25 SQ HD PLUG
  • SKU: 100967
  • Weight: .39
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 1.25
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $2.40
10 - 24 = $2.20
25 - 49 = $2.00
50 + = $1.60
Quantity:
–
+
We show 207 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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Plugs » Malleable Iron
  • Product Name: BMI1.50 SQ HD PLUG
  • SKU: 100968
  • Weight: .50
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 1.50
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $3.75
10 - 24 = $3.44
25 - 49 = $3.19
50 + = $2.50
Quantity:
–
+
We show 263 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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Plugs » Malleable Iron
  • Product Name: BMI2.00 SQ HD PLUG
  • SKU: 100969
  • Weight: 1.23
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 2.00
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $5.10
10 - 24 = $4.68
25 - 49 = $4.34
50 + = $3.40
Quantity:
–
+
We show 1304 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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Plugs » Malleable Iron
  • Product Name: BMI2.50 SQ HD PLUG
  • SKU: 104759
  • Weight: 1.32
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 2.50
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $10.50
10 - 24 = $9.63
25 - 49 = $8.93
50 + = $7.00
Quantity:
–
+
We show 59 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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Plugs » Malleable Iron
  • Product Name: BMI3.00 SQ HD PLUG
  • SKU: 104760
  • Weight: 1.87
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 3.00
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $8.40
10 - 24 = $7.35
25 - 49 = $6.51
50 + = $5.88
Quantity:
–
+
We show 45 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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Plugs » Malleable Iron
  • Product Name: BMI3.50 SQ HD PLUG
  • SKU: 138197
  • Weight: 3.50
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 3.50
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

Price by Quantity:
1 - 4 = $36.18
5 - 9 = $31.66
10 - 14 = $28.04
15 + = $25.33
Quantity:
–
+
We show 0 in stock
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Get a quick quote

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All items ship from Houston, TX.

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Plugs » Malleable Iron
  • Product Name: BMI4.00 SQ HD PLUG
  • SKU: 104127
  • Weight: 4.00
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 4.00
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $17.00
10 - 24 = $14.88
25 - 49 = $13.18
50 + = $11.90
Quantity:
–
+
We show 39 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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Plugs » Malleable Iron
  • Product Name: BMI6.00 SQ HD PLUG
  • SKU: 101083
  • Weight: 9.94
  • Class: 150#
  • End: threaded
  • Finish: Black
  • Origin: Import
  • Size: 6.00
  • Type: square

Description:
IMPORT BLACK MALLEABLE IRON

FOR 6" PIPE(6.625 OD) MALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 4 = $48.00
5 - 9 = $42.00
10 - 24 = $37.20
25 + = $33.60
Quantity:
–
+
We show 10 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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Plugs » Malleable Iron
  • Product Name: GMI1.00 SQ HD PLUG
  • SKU: 107791
  • Weight: .28
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.00
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $3.45
10 - 24 = $3.16
25 - 49 = $2.93
50 + = $2.30
Quantity:
–
+
We show 177 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.

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Plugs » Malleable Iron
  • Product Name: GMI1.25 SQ HD PLUG
  • SKU: 106346
  • Weight: .55
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.25
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

FOR 1-1/4" PIPE(1.66 OD) MALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $5.25
10 - 24 = $4.81
25 - 49 = $4.46
50 + = $3.50
Quantity:
–
+
We show 164 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.

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Plugs » Malleable Iron
  • Product Name: GMI1.50 SQ HD PLUG
  • SKU: 107972
  • Weight: .50
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 1.50
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $7.35
10 - 24 = $6.74
25 - 49 = $6.25
50 + = $4.90
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.

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Plugs » Malleable Iron
  • Product Name: GMI2.00 SQ HD PLUG
  • SKU: 107967
  • Weight: .83
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 2.00
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $9.12
10 - 24 = $8.36
25 - 49 = $7.75
50 + = $6.08
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.

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Plugs » Malleable Iron
  • Product Name: GMI2.50 SQ HD PLUG
  • SKU: 105390
  • Weight: 1.34
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 2.50
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $17.25
10 - 24 = $15.81
25 - 49 = $14.38
50 + = $11.50
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.

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Plugs » Malleable Iron
  • Product Name: GMI3.00 SQ HD PLUG
  • SKU: 107581
  • Weight: 1.91
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 3.00
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $24.00
10 - 24 = $22.00
25 - 49 = $20.00
50 + = $16.00
Quantity:
–
+
We show 35 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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Plugs » Malleable Iron
  • Product Name: GMI4.00 SQ HD PLUG
  • SKU: 107580
  • Weight: 4.00
  • Class: 150#
  • End: threaded
  • Finish: Galvanized
  • Origin: Import
  • Size: 4.00
  • Type: square

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $33.22
10 - 24 = $29.07
25 - 49 = $27.41
50 + = $25.75
Quantity:
–
+
We show 47 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.