Ductile Iron Grades Chart

Ductile Iron Grades Chart

Std Ductile Iron Equivalent
AS 1831 450 – 10 700 – 2 900 – 2 400 – 15 400 – 18 500 – 7 600 – 3 800 – 2
DIN 1693 GGG70 GGG40 GGG50 GGG60 GGG80
GB – 1348 QT450 – 10 QT700 – 2 QT900 – 2 QT400 – 18 QT500 – 7 QT600 – 3 QT800 – 2
UNI 4544 GS400 – 12 GS700 – 2 GS370 – 17 GS500 – 7 GS600 – 2 GS800 – 2
BS 2789d 420 / 12 700 / 2 900 / 2 400 / 17 500 / 7 600 / 7 800 / 2
UNF FGE42 – 12 FGE70 – 2 FGE38 – 17 FGE50 – 7 FGE60 – 2 FGE80 – 2
SS 14 07 SS 140725 0737 – 01 0717 – 02 0727 – 02 0732 – 03 0864 – 03
ISO 1083 / JS / 450 – 10 / S 500 – 10 / S 700 – 2 / S 900 – 2 / S 400 – 15 / S 400 – 18 / S 500 – 7 / S 600 – 3 / S 800 – 2 / S
ASTM A395
ASTM A536 100 – 70 – 03 80 – 60 – 03 / 120 – 90 – 02
65 – 45 – 12
EN 1563 EN – GJS – 450 – 10 EN – GJS – 700 – 2 EN – GJS – 900 – 2
JIS G5502 FCD450 FCD700 FCD400 FCD500 FCD600 FCD800
NF A32 – 201 FGS400 – 12 FGS700 – 2 FGS370 – 17 FGS500 – 7 FGS600 – 2 FGS800 – 2
IS 1865 SG400 / 12 SG700 / 2 SG370 / 17 SG500 / 7 SG600 / 3 SG800 / 2
NBN 830 – 02 FNG42 – 12 FNG70 – 2 FNG38 – 17 FNG50 – 7 FNG60 – 2 FNG80 – 2
NS11 301 SJK – 700 SJK – 400.3 SJK – 500 SJK – 600 SJK – 800
SJK – 400

ISO 1083 JS 400-18 Ductile Cast Iron Material Equivalent Grades

Ductile Iron Grades Chart

Materials Designation 0.2% Proof Stress Rp0.2 N/mm2 min. Elongation Tensile Strength Rm N/mm2 min.
IS01083/JS/350-22-RT/Sb 220 22 350
IS01083/JS/400-18-LT/Sa 240 18 400
IS01083/JS/400-18/S 250 18 400
IS01083/JS/450-10/S 310 10 450
IS01083/JS/550-5/S 350 5 550
IS01083/JS/700-2/S 420 2 700
IS01083/JS/900-2/S 600 2 900
IS01083/JS/350-22-LT/Sa 220 22 350
IS01083/JS/350-22/S 220 22 350
IS01083/JS/400-18-RT/Sb 250 18 400
IS01083/JS/400-15/S 250 15 400
IS01083/JS/500-7/S 320 7 500

ASTM A126 Ductile Iron Material As Per BS EN 1561

ASTM A126 Ductile Iron Material As Per BS EN 1561

ASTM A126 Ductile Iron Properties Values
Density g/cm3 7.2
Latent Heat kJ/kg 96
Thermal Conductivity J/kgCo 460
Microhardness HV 375
Liquid Temperature Co 1090
Specific Heat J/kg K 450

Table Of Content

ASTM Specification And Grades Of Ductile Iron

ASTM Specification And Grades Of Ductile Iron

Specification Grade
ASTM A897 230‐185‐01
200‐155‐02
175‐125‐04
150‐110‐07
130‐90‐09
110‐70‐11
ASTM A532 III‐A
II‐D
II‐B
II‐A
I‐D
I‐C
I‐B
I‐A
ASTM A48 60
55
50
45
40
35
30
25
20
ASTM A159 G4000
G3500
G3000
G2500
G1800
ASTM A47 32510
ASTM A439 D‐5S
D‐5B
D‐5
D‐4
D‐3A
D‐3
D 2C
D‐2B
D‐2
ASTM A536 120‐90‐02
100‐70‐03
80‐55‐06
65‐45‐12
60‐40‐18

AWWA Standard List Of Ductile Iron

Ductile-Iron Fittings Pipe Standard
C153-19 C150-21(R23) C115-20
C104-22 C105-18 C111-23
C151-23 C110-21 C116-22

ASTM A126 Ductile Iron Chemical Composition

Ductile Iron Grade Chemical Composition

Composition ASTM 80-55-06 ASTM 65-45-12 ASTM 60-40-18
Phosphorus (P) % 0 to 0.080 0 to 0.080 0 to 0.080
Silicon (Si) % 1.5 to 2.8 1.5 to 2.8 1.5 to 2.8
Carbon (C) % 3.0 to 3.5 3.0 to 3.5 3.0 to 3.5
Iron (Fe) % 93.7 to 95.5 93.7 to 95.5 93.7 to 95.5

Thermal Properties Of Ductile Iron Grades

Properties ASTM 80-55-06 ASTM 65-45-12 ASTM 60-40-18
Thermal Conductivity 36W/m-K (21 BTU/h-ft-°F) 36W/m-K (21 BTU/h-ft-°F) 36W/m-K (21 BTU/h-ft-°F)
Melting Onset 1120°C (2050 °F) 1120°C (2050 °F) 1120°C (2050 °F)
Maximum Temperature 290°C (550 °F) 290°C (550 °F) 290°C (550 °F)
Latent Heat of Fusion 270J/g 270J/g 270J/g
Melting Completion 1160°C (2120 °F) 1160°C (2120 °F) 1160°C (2120 °F)
Specific Heat Capacity 490J/kg-K (0.12 BTU/lb-°F) 490J/kg-K (0.12 BTU/lb-°F) 490J/kg-K (0.12 BTU/lb-°F)
Thermal Expansion 11µm/m-K 11µm/m-K 11µm/m-K

Ductile Cast Iron Grade Mechanical Properties

Properties ASTM 80-55-06 ASTM 65-45-12 ASTM 60-40-18
Yield (Proof) 410 MPa (59 x 103 psi) 340 MPa (49 x 103 psi) 310 MPa (45 x 103 psi)
Shear Strength 500 MPa (73 x 103 psi) 440 MPa (64 x 103 psi) 420 MPa (60 x 103 psi)
Poisson’s Ratio 0.31 0.29 0.29
Elastic Modulus 170 GPa (24 x 106 psi) 170 GPa (24 x 106 psi) 170 GPa (25 x 106 psi)
Brinell Hardness 190 180 160
Elongation at Break 8.2% 13% 20%
Shear Modulus 64 GPa (9.3 x 106 psi) 65 GPa (9.5 x 106 psi) 66 GPa (9.5 x 106 psi)
Ultimate (UTS) 600 MPa (87 x 103 psi) 490 MPa (71 x 103 psi) 460 MPa (66 x 103 psi)
Fracture Toughness

23MPa-m1/2 (21 x 103 psi-in1/2) 30MPa-m1/2 (27 x 103 psi-in1/2)

Electrical Properties Of Ductile Iron Grade

Electrical Properties Of Ductile Iron Grade

Properties ASTM Grade 80-55-06 ASTM Grade 65-45-12 ASTM Grade 60-40-18
Equal Weight 8.8 % IACS 9.4 % IACS 9.4 % IACS
Equal Volume 7.4 % IACS 7.4 % IACS 7.4 % IACS

Ductile Iron Grades Physical Properties

Grades Density
ASTM 80-55-06 7.5 g/cm3 (470 lb/ft3)
ASTM 65-45-12 7.1 g/cm3 (440 lb/ft3)
ASTM 60-40-18 7.1 g/cm3 (440 lb/ft3)

Indian Standard of Ductile Iron Material

Indian Standard of Ductile Iron Material

IS 8329 Materials Ductile Iron
Hardness Max 230 BHN
Tensile Strength Min 240 Mpa
Shape Round
Modulus of Elasticity 1.7 x 1010 Kg/M2
Surface Finishing Powder Coated
Types Of Anti-Corrosion Protection Of Ductile Iron

Ductile Iron Grades Chart

Polyethylene Sheet And Tube Sizes of Ductile Iron
Nominal Pipe Diameter Min. Polyethylene Width
Flat Tube Sheet
3” 14 28
4” 14 28
6” 16 32
8” 20 40
10” 24 48
12” 27 54
14” 30 60
16” 34 68
18” 37 74
20” 41 82
24” 54 108
30” 67 134
36” 81 162
42” 81 162
48” 95 190
54” 108 216
60” 108 216
64” 115 242
Zinc Coating AWWA Standards
Pipe for Water and Other Liquids A21.50 / C150
A21.51 / C151
Culvert Pipe A716
Compact Fittings A21.53 / C153
Coatings and Linings A21.15 / C115
A21.53 / C153
A21.10 / C110
A21.51 / C151
A21.16 / C116
Contact AMERICAN
A21.4 / C104
A716 A746
Gravity Sewer Pipe A746
Fittings for Water  AWWA
C110 A21.10
Flanged Pipe A21.15 / C115
Standards
A21.11 / C111
A21.10 / C110
A21.15 / C115
A21.53 / C153
Standard 61
C606
A21.11 / C111
Standard Designation Of Ductile Iron Products

Standard Designation Of Ductile Iron Products

AWWA Standard Subject
A21.50/C150 Design
C110/A21.10 Fittings – Cast Iron
C111/A21.11 Rubber – Gasket Joints
C104/A21.4 Cement – Mortar Linings
AWWA C105/A21.5 ASTM A674 Polyethylene Encasement to Ductile Iron Pipe
ASTM A746 Gravity Sewers
NFPA Outside Protection 24 Fire Protection Piping
ASTM A716 Ductile Iron Culvert Pipe
C600 Installation
C116/A21.16 Fusion Bonded Epoxy Coating
A21.15/C115 Flanged Pipe
C153/A21.53 Fittings – Ductile Iron
C151/A21.51 Water Pipe