• An ISO 9001:2015 Certified Company
Manifest Alloys

  • Call

    +91 9930108105

  • Email

    info@manifestalloys.com

  • Address

    Sanghvi Galaxy, Shop No.2, Khetwadi
    10th Lane, Mumbai-400004, India

Malleable Iron vs Cast Iron

Malleable Iron vs Cast Iron

Table Of Content

Find Difference Between Malleable Iron and Carbon Steel Below

Difference Between Malleable Iron and Carbon Steel

ASTM Standard of Malleable Iron


Specifications Characteristics Applications
ASTM A602 Extremely Ductile Soft
  • Connecting Rods
  • Chains
  • Sprocket
  • Drive Train
  • Hardware
  • Axle Components
ASTM A220
ASTM A47
ASTM A338

MI Pipe Fittings Specification


Malleable Iron Fittings

Malleable Iron Fittings Size

  •  1/8" through 8"
Black Malleable Elbow

Black Malleable Elbow Pressure Ratings

  • 150–300psi
malleable Iron Couplings

Malleable Iron Couplings Size

  • 1/8" to 4"

malleable pipe fittings

Surface

  • Black and
  • Galvanized
Malleable Fitting

Thread Types

  • Tapered threads (NPT)
ASTM A197 Fittings

ASTM A197 Fittings Applications

  • Plumbing systems
  • Water, oil, gas industry
Galvanised Malleable Tee

Galvanised Malleable Tee Pressure Class

  • 150#
  • 300#
MI Reducer

Standards of MI Reducer

  • ASTM A197
  • ASTM A197M
  • ASME B16.3
  • BS EN 10242
Black Malleable Iron Fittings

Types of Black Malleable Iron Fittings

  • Elbows
  • Tees
  • Couplings
  • Unions
  • Caps
  • Plugs
  • Reducers

Application Of Carbon Steel


Common Name Carbon % Applications
Mild steel 0.15 – 0.3
  • Boilers
  • Structural Sections
0.05 – 0.125
  • Tubes
  • Wire
  • Thin Sheets
High Carbon 1.1 – 1.5
  • Razor Blades
  • Gauges
  • Drills
  • Metal Cutting Tools
0.9 – 1.1
  • Cutting Tools
  • Wood Working Tools
Medium Carbon 0.5 – 0.7
  • Other Hand Tools
  • Springs
  • Hammers
0.7 – 0.9
  • Dies
  • Cutting Blades
  • Chisels
0.3 – 0.5
  • Agriculture Implements
  • Tubes And Wires

Check Difference Between Malleable Iron and Galvanized Before Buying it

Difference Between Malleable Iron and Galvanized

Malleable Iron Fitting Chart Of Galvanized

Malleable Iron Fitting Chart Of Galvanized

Size 90 Street Elbow 45 Street Elbow
A B A B
3 / 8 0.95 1.44 0.8 1.03
1 / 2 1.12 1.62 0.88 1.15
3 / 4 1.31 1.89 0.98 1.29
1 - 1 / 4 1.75 2.45 1.29 1.71
3 3.08 4.52 2.17 3
4 3.79 5.69 2.61 3.7
5 - - - -
1 / 8 0.69 1 0.63 0.83
1 1.5 2.14 1.12 1.47
1 / 4 0.81 1.19 0.73 0.94
1 - 1 / 2 1.94 2.69 1.43 1.88
2 2.25 3.26 1.68 2.22
2 - 1 / 2 2.7 3.86 1.95 2.57
6 - - - -

Refer Malleable Iron Pipe Fittings Specification and ASTM A197 Fitting Equivalent Properties

Malleable Iron Pipe Fittings Specification


Specification Standard
Dimensional Specification ASME B16.14
ASME B16.39
ASME B16.3
Thread Specification ASME B1.20.1
Material Specification ASTM A153
ASTM A197

ASTM A197 Fitting Equivalent


ASTM A197 Fitting Equivalent
Equivalent
ASTM A518 ASTM A716
ASTM A126 ASTM G62
ASTM A48 ASTM D1248
ASTM A571 ASTM A674
ASTM A377 ASTM A746
ASTM A74 ASTM E8
ASTM A476 ASTM C150

Get Black Malleable Iron Pipe For Gas in Variety of Sizes


Black Malleable Iron Pipe For Gas
Degree Size
90 Street Elbow 1/2 to 4
45 Street Elbow 3/4
View Cast Iron Pipe Weight Chart and ASTM A197 Chemical Composition

Cast Iron Pipe Weight Chart


Nominal 175 PSI Cast Iron 125 PSI Cast Iron 250 PSI Cast Iron Pipe Sizing Criteria
Pipe Size Diameter (ins) Diameter (ins) Diameter (ins) Loss in Flow Velocity
(ins) Outside Inside Outside Inside Outside Inside PD'/100 GPM Ft/sec
4 5 3.96 5 4.04 - - 5.1 200 2.8
8 9.3 8.1 9.3 8.18 9.42 8 7.7 1200 2.6
12 13.5 12 13.5 12.14 13.78 12 9.7 3400 2.5
16 17.8 16.02 17.8 16.2 18.16 16 9.6 6000 1.7
20 22.06 20 22.06 20.22 22.54 20 9.2 9000 1.2
30 32.74 30 32.4 30 33.46 30 10 22000 0.9
42 45.58 42.02 45.1 42.02 - - 9.3 40000 0.5
3 3.96 3 3.96 3.06 - - 4.5 100 3.1
6 7.1 6 7.1 6.08 7.22 6 6.8 600 2.9
10 11.4 10.04 11.4 10.16 11.6 10 9 2200 2.7
14 15.65 14.01 15.65 14.17 15.98 14 9.4 4500 1.9
18 19.92 18 19.92 18.18 20.34 18 10 8000 1.9
24 26.32 24 26.32 24.22 26.9 24 10 14000 1.2
36 39.16 36 38.7 35.98 40.04 36 9.5 30000 0.7
48 51.98 48.06 51.4 47.98 - - 9.8 55000 0.5

Chemical Composition Of ASTM A197


Chemical Composition Of ASTM A197
Properties Values
Silicon (Si%) 1.4 - 1.9 %
Phosphorus (P%) < 0.1 %
Sulfur (S%) < 0.2 %
Manganese (Mn%) 0.4 - 0.65 %
Carbon (C%) 2.4 - 2.9 %

Malleable Cast Iron Uses


  • Wrenches
  • Tools
  • Low Pressure Valve
  • Pipe Fittings
  • Spring Bracket
  • Housing Castings

Types Of Cast Iron


Types Of Cast Iron

Cast Iron Corrosion Resistance

Cast Iron Corrosion Resistance

Melting Point Of Cast Iron


Metal Melting Point
Cast Iron Fahrenheit ( °F ) 2060 – 2200
Kelvin 1400 – 1478
Celsius ( °C ) 1127 – 1204