Wrought Iron vs Cast Iron

Wrought Iron vs Cast Iron

Cast Iron Hub and Spigot Pipes Grades

  • C151
  • C150
  • C116
  • C104
  • C153
  • C111
  • C110

Table of contents

Wrought Iron Pipe Grades and Specification

Applications Decorative, Structural, Industrial
Wrought Iron Fittings
  • Elbows
  • Tees
  • Reducers
  • Unions
  • Couplings
  • Crosses
Weight 52.000 LB
Manufacturing Process
  • Forging and Welding
  • Layered Structure
C Content less than 0.05%
Types and shapes
  • Rod iron
  • Hoop iron
  • Plate iron
  • Voyage iron
Quality
  • Tough iron
  • Blend iron
  • Best iron
  • Marked bar iron

Spigot Cast Iron Soil Pipe Specification

Size 3 IN
Material Cast Iron
Material Standard ASTM A74
BS Standards BS 4772 ISO2531
Other Physical Dimension 2-3/4 IN Telescoping Length
Tensile Strength 21,000 psig minimum
Connection Type Hub X Spigot
Weight 52.000 LB
Resistance to hot water for 24 hours at 203° F
Chemical resistance pH 2 to pH 12 for 30 days at 73° F
Temperature range -29°C to 425°C
Resistance to wastewater for 30 days at 73° F

Applications and uses of Cast Iron Hub and Spigot Pipes

  • Power Generation Industry
  • Oil and Gas Industry
  • Storage Tanks
  • Offshore Drilling Platforms
  • Chemical Processing Industry
  • Aerospace Industry
Types of Cast Iron Pipe

Types of Cast Iron Pipe

Cast Iron Sewer Pipe Manufacturing Standard
  • ANSI/AWWA C151/A21.51
  • ANSI/AWWA C150/A21.50
  • ANSI/AWWA C116/A21.16
  • ANSI/AWWA C104/A21.4
  • ANSI/AWWA C153/A21.53
  • ANSI/AWWA C111/A21.11z
  • ANSI/AWWA C110/A21.10

Cast Iron Pipes Class

  • Class LA
  • Class A
  • Class B
  • Class C
  • Class D
  • Class E

Types of Cast Iron

Gray Cast Iron

Gray Cast Iron

Ductile Cast Iron

Ductile Cast Iron

White Cast Iron

White Cast Iron

Malleable Cast Iron

Malleable Cast Iron

Properties of Cast Iron Sewage Pipe

  • Ductility
  • Hardness
  • Corrosion resistance
  • Wear resistance
  • Strength
  • Toughness
  • Weldability
  • Machinability
Properties of Cast Iron Sewage Pipe

Inspection and Testing of Cast steel

  • Dimensional accuracy
  • Surface finish condition
  • Internal soundness
  • Chemical analysis
  • Heat analysis
  • Tensile properties
  • Impact properties
  • Hardness
Inspection and Testing of Cast steel

CISPI Standard of Cast Iron Pipe and Fittings

  • CISPI 301-21
  • CISPI 310-20

Cast Iron Pipe and Fittings ASTM Standard

  • ASTM A 74-20
  • ASTM A 888-20
  • ASTM C 564-20a

Surface finish of Cast Iron Parts

  • Shot Blasting
  • Painting
  • Powder Coating
  • Electroplating

Cast Iron Piping Jointing

Cast Iron Piping Jointing

Mechanical Tests for Cast Iron Pipes

  • Ring Test and Tensile Test
  • Brinell Hardness Test
  • Hydrostatic Test

Cast Iron Down Pipe Grades

Standard No. Definition Standard No.
JIS
G 3452		 Carbon steel pipes for ordinary piping ASTM A53-90 b
API 5L-92
BS 1387-90
DIN 1615-84
DIN 2440-78
DIN 2441-78
ISO 65-81
ISO 559-91
JIS
G 3455		 Carbon steel pipes for high pressure service BS 778-66
DIN 1628-84
DIN 1630-84
ISO 2604/2-75
ISO 9329/I-89
JIS
G 3454		 Carbon steel pipe for pressure service ASTM A 135-89 a
ASTM A 53-90 b
API 5L-92
BS 3601-87
BS 3602/1-87
DIN 1626-84
DIN 1629-84
DIN 2442-63
DIN 2448-81
ISO 2604/2-75
ISO 2604/3-75
ISO 9329/I-89
ISO 9330/I-90
JIS
G 3456		 Carbon steel pipes for high-temperature service ASTM A 106-91
DIN 17175-79
DIN 17177-79
BS 3602/1-87
ISO 2604/2-75
ISO 2604/3-75
JIS
G 3457		 Arc welded carbon steel pipes ASTM A 134-90
ASTM A 139/
A139 M-90
ASTM A 211-75
DIN 1626-84
ISO 559-91
JIS
G 3460		 Steel pipes for low temperature service ASTM A333/
A333 M-91 a
DIN 17174-85
BS 3603-91
DIN 17173-85
ISO 2604/3-75
ISO 2604/2-75
JIS A5525 Steel pipe piles ASTM A252-90
JIS
G 3458		 Alloy steel pipes ASTM A335/
A335 M-92a
DIN 17175-79
BS 3604/1-90
DIN 17177-79
ISO 2604/2-75
ASTM A358/
A358 M-92
ISO 2604/3-75
ASTM A312/
A312 M-92a
ASTM A376/
A376 M-91
DIN 17455-85
ASTM A790/
A790 M-91
BS 3605-92
DIN 17456-85
DIN 17458-85
DIN 17457-85
JIS
G 3441		 Alloy-steel tubes for structural purposes ASTM A519-90
JIS
G 3468		 Arc welded large diameter stainless steel pipes ASTM A358/
A358 M-92
BS 3605-92
ASTM A409/
A409 M-92
DIN 17455-85
ISO 2604/5-78
DIN 17457-85
JIS
G 4903		 Seamless nickel-chromium-iron alloy pipes ASTM B167-93
JIS
G 3461		 Carbon steel coiler and heat exchanger tubes ASTM A178/
A178 M-90a
ASTM A192/
A192 M-91
ASTM A179/
A179 M-90a
ASTM A214/
A214 M-90a
ASTM A210/
A210 M-91
ASTM A226/
A226 M-90a
BS 3606-92
BS 3059/1-87, /2-
90
JIS
G 3466		 Carbon Steel square pipes for general structural purposes ASTM A500-90a
JIS
G 3462		 Alloy steel boiler and heat exchanger tubes ASTM A199/
A199 M-92
ASTM A213/
A213 M-92
ASTM A423/
A423 M-91
ASTM A250/
A250 M-91
BS 3059/2-90
ASTM A209/
A209 M-91
DIN 17175-79
BS 3606-92
DIN 17177-79
ISO 2604/3-75
ISO 2604/2-75
JIS
G 3446		 Stainless steel tubes for structural purposes ASTM A511-90
JIS
G 3463		 Stainless steel boiler and heat exchanger tubes ASTM A213/
A213 M-92
ASTM A268/
A268 M-91
ASTM A249/
A249 M-92
ASTM A269-92
ASTM A789/
A789 M-90
BS 3606-92
BS 3059/2-90
DIN 17455-85
DIN 17457-85
DIN 17456-85
DIN 17458-85
ISO 2604/5-78
ISO 2604/2-75
ISO 2604/3-75
JIS
G 3473		 Carbon steel tubes for cylinder barrels BS 1717-89
JIS
G 3464		 Steel heat exchanger tubes for low temperature service ASTM A334/
A334 M-91
DIN 17174-85
BS 3603-91
DIN 17173-85
ISO 2604/3-75
ISO 2604/2-75
JIS
G 3467		 Steel tubes for fired heater ASTM A161-91
ASTM A271-91
ASTM A200-91
JIS G3444 Carbon steel tubes for general structural purposes ASTM A500-90a
BS 1139(1.1)-90
ASTM A501-89
DIN 17120-84
DIN 17123-86
DIN 17121-84
DIN 17124-86
JIS
G 3445		 Carbon steel tubes for machine structural purposes ASTM A512-91
ASTM A519-90
JIS
G 3447		 Stainless steel sanitary tubing ASTM A270-90
ASTM B 423-90
ASTM B 407-93
JIS
G 4904		 Seamless nickel-chromium-iron alloy heat exchanger tubes ASTM B 163-93
ASTM B407-93
ASTM B167-93
ASTM B423-90
JIS C8305 Rigid steel conduit BS 31-40(88)
ANSI C80.3-83
ANSI C80.1-90
UL*6-81

How Does Cast Iron Pipe Fail?

  • Break Failure
  • Structural Failure
  • Leaks

Epoxy Coating for Cast Iron Pipe

  • Epoxy Lining
  • Fusion Bonded Epoxy
  • Spray-on Epoxy

Wrought Steel vs Cast Steel Material Selection Guidelines

Wrought Cast
Pattern Cost ✓
Initial Cost ✓
Weight ✓
Shapes ✓
Availability & Delivery ✓
Soundness ✓
Repairability ✓
Composition ✓
Creep Strength ✓
Surface Finish ✓
Thermal Fatigue ✓