Malleable Iron

  • Malleable Iron Caps conform to ASTM A197/ASME B16.3.
  • Available in both black and galvanized finishes.
  • Stocked in sizes from 1/8" to 6".
  • All Malleable Iron Caps have female NPT threads.
Five types of Galvanized Malleable Iron Caps ranging in size and black and galvanized finishes Sizes are Nominal Pipe Size (NPS) - size chartTemperature/Pressure cross reference for Malleable Iron Caps
Malleable Iron Caps
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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 elsewhere.
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Caps » Malleable Iron
  • Product Name: BMI.125 STD CAP
  • SKU: 105943
  • Weight: .03
  • 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 = $2.27
10 - 49 = $2.08
50 - 99 = $1.89
100 + = $1.51
Quantity:
–
+
We show 0 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI.250 STD CAP
  • SKU: 101107
  • Weight: .06
  • 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 = $2.25
10 - 49 = $2.06
50 - 99 = $1.88
100 + = $1.50
Quantity:
–
+
We show 80 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI.375 STD CAP
  • SKU: 101520
  • Weight: .09
  • 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 = $2.40
10 - 49 = $2.20
50 - 99 = $2.00
100 + = $1.60
Quantity:
–
+
We show 105 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI.750 STD CAP
  • SKU: 101723
  • Weight: .22
  • 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 = $2.40
10 - 49 = $2.20
50 - 99 = $2.00
100 + = $1.60
Quantity:
–
+
We show 1334 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI1.00 STD CAP
  • SKU: 101798
  • Weight: .38
  • 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 = $3.45
10 - 24 = $3.16
25 - 49 = $2.88
50 + = $2.30
Quantity:
–
+
We show 515 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI1.25 STD CAP
  • SKU: 101109
  • Weight: .58
  • 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 = $4.05
10 - 24 = $3.71
25 - 49 = $3.38
50 + = $2.70
Quantity:
–
+
We show 43 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI1.50 STD CAP
  • SKU: 101058
  • Weight: .73
  • 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 = $5.55
10 - 24 = $5.09
25 - 49 = $4.72
50 + = $3.70
Quantity:
–
+
We show 1096 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI2.00 STD CAP
  • SKU: 101743
  • Weight: 1.20
  • 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 = $6.75
10 - 24 = $6.19
25 - 49 = $5.74
50 + = $4.50
Quantity:
–
+
We show 69 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI2.50 STD CAP
  • SKU: 105614
  • Weight: 1.75
  • 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 = $16.50
10 - 24 = $15.13
25 - 49 = $13.75
50 + = $11.00
Quantity:
–
+
We show 17 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI3.00 STD CAP
  • SKU: 103709
  • Weight: 2.28
  • 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 = $16.88
10 - 24 = $15.00
25 - 49 = $13.13
50 + = $11.63
Quantity:
–
+
We show 8 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI4.00 STD CAP
  • SKU: 102241
  • Weight: 3.12
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 4.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $31.25
10 - 24 = $28.13
25 - 49 = $25.00
50 + = $21.88
Quantity:
–
+
We show 16 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI5.00 STD CAP
  • SKU: 103191
  • Weight: 7.00
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 5.00

Description:
IMPORT BLACK MALLEABLE IRON

FOR 5" PIPE(5.563 OD) FEMALE THREADS, ASTM A197/ASME B16.3

Price by Quantity:
1 - 4 = $84.00
5 - 9 = $77.00
10 - 24 = $70.00
25 + = $56.00
Quantity:
–
+
We show 2 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: BMI6.00 STD CAP
  • SKU: 105376
  • Weight: 8.85
  • Class: 150#
  • Finish: Black
  • Origin: Import
  • Size: 6.00

Description:
IMPORT BLACK MALLEABLE IRON

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

Price by Quantity:
1 - 4 = $103.40
5 - 9 = $90.48
10 - 24 = $80.14
25 + = $74.97
Quantity:
–
+
We show 15 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI.125 STD CAP
  • SKU: 102165
  • Weight: .04
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.125

Description:
IMPORT GALV MALLEABLE IRON

FOR 1/8" PIPE(.405 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 9 = $1.71
10 - 49 = $1.57
50 - 99 = $1.43
100 + = $1.00
Quantity:
–
+
We show 74 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI.250 STD CAP
  • SKU: 100899
  • Weight: .25
  • 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 = $3.00
10 - 49 = $2.75
50 - 99 = $2.55
100 + = $2.00
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.

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Caps » Malleable Iron
  • Product Name: GMI.375 STD CAP
  • SKU: 101450
  • Weight: .10
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 0.375

Description:
IMPORT GALV MALLEABLE IRON

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

Price by Quantity:
1 - 9 = $2.91
10 - 49 = $2.67
50 - 99 = $2.43
100 + = $1.94
Quantity:
–
+
We show 2 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI.500 STD CAP
  • SKU: 107780
  • Weight: .12
  • 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 = $2.10
10 - 49 = $1.93
50 - 99 = $1.79
100 + = $1.40
Quantity:
–
+
We show 64 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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Caps » Malleable Iron
  • Product Name: GMI.750 STD CAP
  • SKU: 107888
  • Weight: .20
  • 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 = $3.45
10 - 49 = $3.16
50 - 99 = $2.93
100 + = $2.30
Quantity:
–
+
We show 58 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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Caps » Malleable Iron
  • Product Name: GMI1.25 STD CAP
  • SKU: 107965
  • Weight: .58
  • 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 = $4.20
10 - 49 = $3.85
50 - 99 = $3.57
100 + = $2.80
Quantity:
–
+
We show 0 in stock
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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.

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Caps » Malleable Iron
  • Product Name: GMI2.00 STD CAP
  • SKU: 105586
  • Weight: .87
  • 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 = $9.15
10 - 24 = $8.39
25 - 49 = $7.78
50 + = $6.10
Quantity:
–
+
We show 38 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI2.50 STD CAP
  • SKU: 109838
  • Weight: 1.80
  • 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 A153/ASME B16.3

Price by Quantity:
1 - 9 = $24.63
10 - 24 = $22.58
25 - 49 = $20.53
50 + = $16.42
Quantity:
–
+
We show 1 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI3.00 STD CAP
  • SKU: 104863
  • Weight: 2.75
  • 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 = $32.07
10 - 24 = $29.40
25 - 49 = $27.26
50 + = $21.38
Quantity:
–
+
We show 23 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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Caps » Malleable Iron
  • Product Name: GMI4.00 STD CAP
  • SKU: 107579
  • Weight: 4.61
  • 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 = $49.50
10 - 24 = $44.00
25 - 30 = $38.50
31 + = $34.10
Quantity:
–
+
We show 8 in stock
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All items ship from Houston, TX.

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Caps » Malleable Iron
  • Product Name: GMI6.00 STD CAP
  • SKU: 106522
  • Weight: 9.98
  • Class: 150#
  • Finish: Galvanized
  • Origin: Import
  • Size: 6.00

Description:
IMPORT GALV MALLEABLE IRON

FOR 6 PIPE(6.625 OD) FEMALE THREADS, ASTM A153/ASME B16.3

Price by Quantity:
1 - 4 = $193.13
5 - 9 = $154.50
10 - 24 = $135.19
25 + = $119.74
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.