| 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

| 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 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
- AWWA Standard List Of Ductile Iron
- ASTM A126 Ductile Iron Chemical Composition
- Thermal Properties Of Ductile Iron Grades
- Ductile Cast Iron Grade Mechanical Properties
- Electrical Properties Of Ductile Iron Grade
- Ductile Iron Grades Physical Properties
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

| 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

| 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

| 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

| 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

| 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 |