Wear Resistant Irons
Wear Resistance irons are primarily used in those industries where abrasion is evident.
The high-alloy wear resistance irons are primarily used for abrasion-resistant applications and are readily cast in the shapes needed in the machinery used for crushing, grinding, and general handling of abrasive materials. These types of cast irons contain chromium and in small quantities nickel, copper and molybdenum as alloying agents. Wear resistance irons are also known as Abrasion-resistant irons, High Chrome alloys, white irons and Ni-hard.
Irons that are cast by using this method are generally hard but they can be further hardened by heat treatment. Wear resistance irons are generally specified for applications requiring a hardness range of 200 / 300 BHN, High Chrome Alloys (typically 28% Cr addition) are specified for applications requiring BHN figures of 600 – 650 BHN and Ni-Hard castings are supplied in a range of grades that offer a hardness range of between 500 – 600 BHN.
With post-casting heat treatments, the hardness range of High Chrome Alloys can be extended to 700HBN.
Properties:
- They possess a high wear resistance.
- Can be cast to suit different hardness
- Able to resist heat better at elevated temperatures.
- Works well in highly abrasive conditions
- Difficult to weld. Requires special machines, tools and heat treatment to cast the desired component.
Industries:
- Power Generation
- Cement
- Brick
- Mining
- Rock, Sand and Gravel Industries
| Material Designation | C (%) | Si (%) | Mn(%) | Ni(%) | Cr(%) | Mo(%) | S(%) | P(%) | |
|---|---|---|---|---|---|---|---|---|---|
| Type 1A | NiLCr 30/500 | 2.7-3.3 | 0.3-0.6 | 0.3-0.6 | 3.0-5.5 | 1.5-2.5 | 0.5max | 0.15 | 0.3 |
| NiLCr 34/500 | 3.2-3.6 | 0.3-0.6 | 0.3-0.6 | 3.0-5.5 | 1.5-2.5 | 0.5max | 0.15 | 0.3 | |
| Type 1B | NiHCr 27/500 | 2.5-2.9 | 1.5-2.2 | 0.3-0.6 | 4.0-6.0 | 8.0-10.0 | 0.5max | 0.15 | 0.3 |
| NiHCr 30/550 | 2.8-3.3 | 1.5-2.2 | 0.3-0.6 | 4.0-6.0 | 8.0-10.0 | 0.5max | 0.15 | 0.3 | |
| NiHCr 34/600 | 3.2-3.6 | 1.5-2.2 | 0.3-0.6 | 4.0-6.0 | 7.5-9.5 | 0.5max | 0.15 | 0.3 | |
| Type 2 | CrMoHC 34/500 | 3.1-3.6 | 0.3-0.8 | 0.4-0.9 | 0.5 max | 14.0-18.0 | 2.5-3.5 | 0.15 | 0.3 |
| CrMoLc 28/500 | 2.4-3.1 | 0.3-0.8 | 0.4-0.9 | 0.5 max | 14.0-18.0 | 2.5-3.5 | 0.15 | 0.3 | |
| Type 3 | HCrNi 27/400 | 2.3-3.0 | 0.2-1.5 | 1.5 max | 1.2 max | 24.0-28.0 | 0.6 max | 0.15 | 0.3 |
| HCr 27/400 | 2.3-3.0 | 0.2-1.5 | 1.5 max | 0.5 max | 24.0-28.0 | 0.6 max | 0.15 | 0.3 |
| Material Designation | MINIMUM BRINELL HARDNESS VALUES (HBW) |
|||
|---|---|---|---|---|
| Sand-Cast | Hardened | Annealed | ||
| Type 1A | NiLCr 30/500 | 500 | – | – |
| NiLCr 34/500 | 550 | – | – | |
| Type 1B | NiHCr 27/500 | 500 | – | – |
| NiHCr 30/550 | 550 | – | – | |
| NiHCr 34/600 | 600 | – | – | |
| Type 2 | CrMoHC 34/500 | 500 | 600 | 380 max |
| CrMoLc 28/500 | 500 | 550 | 380 max | |
| Type 3 | HCrNi 27/400 | 400 | 550 | – |
| HCr 27/400 | 400 | 550 | 380 max | |
| Class | Type | Designation | C | Mn | Si | Ni | Cr | Mo | Cu | P | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | A | Ni-Cr-Hc | 2.8-3.6 | 2.0 max | 0.8 max | 3.3-5.0 | 1.4-4.0 | 1.0 max | —- | 0.3 max | 0.15 max |
| I | B | Ni-Cr-Lc | 2.4-3.0 | 2.0 max | 0.8 max | 3.3-5.0 | 1.4-4.0 | 1.0 max | —- | 0.3 max | 0.15 max |
| I | C | Ni-Cr-GB | 2.5-3.7 | 2.0 max | 0.8 max | 4.0 max | 1.0-2.5 | 1.0 max | —- | 0.3 max | 0.15 max |
| I | D | Ni-HiCr | 2.5-3.6 | 2.0 max | 2.0 max | 4.5-7.0 | 7.0- 11.0 | 1.5 max | —- | 0.10 max | 0.15 max |
| II | A | 12% Cr | 2.0-3.3 | 2.0 max | 1.5 max | 2.5 max | 11.0- 14.0 | 3.0 max | 1.2 max | 0.10 max | 0.06 max |
| II | B | 15% Cr | 2.0-3.3 | 2.0 max | 1.5 max | 2.5 max | 14.0- 18.0 | 3.0 max | 1.2 max | 0.10 max | 0.06 max |
| II | D | 20% Cr | 2.0-3.3 | 2.0 max | 1.0-2.2 | 2.5 max | 18.0- 23.0 | 3.0 max | 1.2 max | 0.10 max | 0.06 max |
| III | A | 25% Cr | 2.0-3.3 | 2.0 max | 1.5 max | 2.5 max | 23.0- 30.0 | 3.0 max | 1.2 max | 0.10 max | 0.06 max |
| Sand Cast | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class | Type | Designation | As Cast of As Cast and Stress Relieved | Hardened or Hardened and Stress Relieved | Chill Cast, min | Softened, max | |||||||||||
| HB | HRC | HV | HB | HRC | HV | HB | HRC | HV | HB | HRC | HV | HB | HRC | HV | |||
| I | A | Ni-Cr-HiC | 550 | 53 | 600 | 600 | 56 | 660 | 650 | 59 | 715 | 600 | 56 | 660 | ——— | ——— | ——— |
| I | B | Ni-Cr-LoC | 550 | 53 | 600 | 600 | 56 | 660 | 650 | 59 | 715 | 600 | 56 | 660 | ——— | ——— | ——— |
| I | C | Ni-Cr-GB | 550 | 53 | 600 | 600 | 56 | 660 | 650 | 59 | 715 | 600 | 56 | 660 | 400 | 41 | 430 |
| I | D | Ni-HiCr | 500 | 50 | 540 | 600 | 56 | 660 | 650 | 59 | 715 | 550 | 53 | 600 | ——— | ——— | ——— |
| II | A | 12% Cr | 550 | 53 | 600 | 600 | 56 | 660 | 650 | 59 | 715 | 550 | 53 | 600 | 400 | 41 | 430 |
| II | B | 15% Cr | 450 | 46 | 485 | 600 | 56 | 660 | 650 | 59 | 715 | ——— | ——— | ——— | 400 | 41 | 430 |
| II | D | 20% Cr | 450 | 46 | 485 | 600 | 56 | 660 | 650 | 59 | 715 | ——— | ——— | ——— | 400 | 41 | 430 |
| III | A | 25% Cr | 450 | 46 | 485 | 600 | 56 | 660 | 650 | 59 | 715 | ——— | ——— | ——— | 400 | 41 | 430 |
| Material Designation | Vickers Hardness | Chemical Composition (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Symbol | Number | HV (Min) | C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| EN-GJN-HV350 | EN-JN2019 | 350 | 2.4-3.9 | 0.4-1.5 | 0.2-1.0 | – | – | – | Max 2.0 | – | – |
| EN-GJN-HV520 | EN-JN2029 | 520 | 2.5-3.0 | Max 0.8 | Max 0.8 | Max 0.10 | Max 0.10 | 3.0-5.5 | 1.5-3.0 | – | – |
| EN-GJN-HV550 | EN-JN2039 | 550 | 3.0-3.5 | Max 0.8 | Max 0.8 | Max 0.10 | Max 0.10 | 3.0-5.5 | 1.5-3.0 | – | – |
| EN-GJN-HV600 | EN-JN2049 | 600 | 2.5-3.5 | 1.5-2.5 | 0.3-0.8 | Max 0.08 | Max 0.08 | 4.5-6.5 | 8.0-10.0 | – | – |
| EN-GJN-HV600(XCr11) | EN-JN3019 | 600 | 1.8-2.4 | Max 1.0 | 0.5-1.5 | Max 0.08 | Max 0.08 | Max 2.0 | 11.0-14.0 | Max 3.0 | Max 1.2 |
| 2.4-3.2 | |||||||||||
| 3.2-3.6 | |||||||||||
| EN-GJN-HV600(XCr14) | EN-JN3029 | 600 | 1.8-2.4 | Max 1.0 | 0.5-1.5 | Max 0.08 | Max 0.08 | Max 2.0 | 14.0-18.0 | Max 3.0 | Max 1.2 |
| 2.4-3.2 | |||||||||||
| 3.2-3.6 | |||||||||||
| EN-GJN-HV600(XCr18) | EN-JN3039 | 600 | 1.8-2.4 | Max 1.0 | 0.5-1.5 | Max 0.08 | Max 0.08 | Max 2.0 | 18.0-23.0 | Max 3.0 | Max 1.2 |
| 2.4-3.2 | |||||||||||
| 3.2-3.6 | |||||||||||
| EN-GJN-HV600(XCr23) | EN-JN3049 | 600 | 1.8-2.4 | Max 1.0 | 0.5-1.5 | Max 0.08 | Max 0.08 | Max 2.0 | 23.0-28.0 | Max 3.0 | Max 1.2 |
| 2.4-3.2 | |||||||||||
| 3.2-3.6 | |||||||||||
| Material Designation | Chemical Composition | Min Hardness value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C% | Si% | Mn% | Ni% | Cr% | Mo% | Cu% (max) | P% (max) | S% (max) | HB* | |
| 2A | 2.7 – 3.2 | 0.3 – 0.8 | 0.2 – 0.8 | 3.0 – 5.5 | 1.5 – 3.5 | 0.5 max | – | 0.15 | 0.15 | 500 |
| 2B | 3.2 – 3.6 | 0.3 – 0.8 | 0.2 – 0.8 | 3.0 – 5.5 | 1.5 – 3.5 | 0.5 max | – | 0.15 | 0.15 | 550 |
| 2C | 2.4 – 2.8 | 1.5 – 2.2 | 0.2 – 0.8 | 4.0 – 6.0 | 8.0 – 10. | 0.5 max | – | 0.1 | 0.15 | 500 |
| 2D | 2.8 – 3.2 | 1.5 – 2.2 | 0.2 – 0.8 | 4.0 – 6.0 | 8.0 – 10. | 0.5 max | – | 0.1 | 0.15 | 550 |
| 2E | 3.2 – 3.6 | 1.5 – 2.2 | 0.2 – 0.8 | 4.0 – 6.0 | 8.0 – 10.0 | 0.5 max | – | 0.1 | 0.15 | 600 |
| 3A | 1.8 – 3.0 | 1 | 0.5 – 1.5 | 2.0 max | 14 – 17 | 2.5 max | 2.0 max | 0.1 | 0.1 | 600 |
| 3B | 3.0 – 3.6 | 1 | 0.5 – 1.5 | 2.0 max | 14 – 17 | 3.0 max | 2.0 max | 0.1 | 0.1 | 650 |
| 3C | 1.8 – 3.0 | 1 | 0.5 – 1.5 | 2.0 max | 17 – 22 | 3.0 max | 2.0 max | 0.1 | 0.1 | 600 |
| 3D | 2.0 – 2.8 | 1 | 0.5 – 1.5 | 2.0 max | 22 – 28 | 1.5 max | 2.0 max | 0.1 | 0.1 | 600 |
| 3E | 2.8 – 3.5 | 1 | 0.5 – 1.5 | 2.0 max | 22 – 28 | 1.5 max | 2.0 max | 0.1 | 0.1 | 600 |
| 3F | 2.0 – 2.7 | 1 | 0.5 – 1.5 | 2.0 max | 11 – 13 | 2.5 max | 2.0 max | 0.1 | 0.1 | 600 |
| 3G | 2.7 – 3.4 | 1 | 0.5 – 1.5 | 2.0 max | 11 – 13 | 3.0 max | 2.0 max | 0.1 | 0.1 | 650 |
Ni-Resist Irons
Ni-Resist Irons are divided further into two types. They are the standard or flake graphite alloys and the ductile or spheroidal graphite alloys. Flake resistant alloys are more in common because of their thermal conductivity, better machinability combined with lower costs makes a popular choice. Spheroidal alloys with their higher strength, ductility and resistance to elevated temperature are making them a prominent choice.
Properties:
- Corrosion Resistant
- Wear Resistant
- Erosion Resistant
- Toughness and low-temperature stability
- Controlled Expansion
- Magnetic and Electrical Properties
- Heat Resistance
- Machinability
- Castability
Industries:
- Automobiles
- Petrochemical
- Chemical
| Alloy | Tensile Strength | Compressive Strength | Elongation | Modulus of Elasticity | Brinell Hardness |
|---|---|---|---|---|---|
| MPa(ksi) | MPa(ksi) | % | MPa(ksi)x103 | ||
| NiMn 13 7 | 140-220 | 630-840 | – | 70-90 | 120-150 |
| (20-31) | (90-120) | (10-13) | |||
| Ni-Resist 1 | 170-210 | 700-840 | 2 | 85-105 | 120-215 |
| (24-30) | (100-120) | (12-15) | |||
| Ni-Resist | 190-240 | 860-1100 | 1-2 | 98-113 | 150-250 |
| (27-34) | (123-157) | (14-16) | |||
| Ni-Resist 2 | 170-210 | 700-840 | 2-3 | 85-105 | 120-215 |
| (24-30) | (100-120) | (12-15) | |||
| Ni-Reslst | 190-240 | 860-1100 | 1-2 | 98-113 | 160-250 |
| (27-34) | (123-157) | (14-16) | |||
| Nicrosibl | 190-280 | – | 2-3 | – | 140-250 |
| (27-40) | |||||
| Ni-Resist 3 | 190-240 | 700-910 | 1-3 | 98-113 | 120-215 |
| (27-34) | (100-130) | (14-16) | |||
| Ni-Resist 4 | 170-240 | 560 | – | 105 | 150-210 |
| (24-34) | (80) | (15) | |||
| Ni-Resist 5 | 120-180 | 560-700 | 1-3 | 74 | 120-140 |
| (17-26) | (80-100) | (11) | |||
| Ni-Resist 6 | 170-210 | 700-840 | – | – | 130-180 |
| (24-30) | (100-120) |
| Alloy | Tensile Strength | Compressive Strength | Elongation | Modulus of Elasticity | Brinell Hardness |
|---|---|---|---|---|---|
| MPa(ksi) | MPa(ksi) | % | MPa(ksi)x103 | ||
| NiMn 13 7 | 140-220 | 630-840 | – | 70-90 | 120-150 |
| (20-31) | (90-120) | (10-13) | |||
| Ni-Resist 1 | 170-210 | 700-840 | 2 | 85-105 | 120-215 |
| (24-30) | (100-120) | (12-15) | |||
| Ni-Resist | 190-240 | 860-1100 | 1-2 | 98-113 | 150-250 |
| (27-34) | (123-157) | (14-16) | |||
| Ni-Resist 2 | 170-210 | 700-840 | 2-3 | 85-105 | 120-215 |
| (24-30) | (100-120) | (12-15) | |||
| Ni-Reslst | 190-240 | 860-1100 | 1-2 | 98-113 | 160-250 |
| (27-34) | (123-157) | (14-16) | |||
| Nicrosibl | 190-280 | – | 2-3 | – | 140-250 |
| (27-40) | |||||
| Ni-Resist 3 | 190-240 | 700-910 | 1-3 | 98-113 | 120-215 |
| (27-34) | (100-130) | (14-16) | |||
| Ni-Resist 4 | 170-240 | 560 | – | 105 | 150-210 |
| (24-34) | (80) | (15) | |||
| Ni-Resist 5 | 120-180 | 560-700 | 1-3 | 74 | 120-140 |
| (17-26) | (80-100) | (11) | |||
| Ni-Resist 6 | 170-210 | 700-840 | – | – | 130-180 |
| (24-30) | (100-120) |
| Common Name | ASTM A439-83 A571-84 | Ni | Cr | Si | Cu | Mn | C max | Other |
|---|---|---|---|---|---|---|---|---|
| NiResist D-2W | Type D-2 | 18.0-22.0 | 1.50-2.20 | 1.5-2.2 | 0.5max | 0.5-1.5 | 3.0 | .12-20Nb |
| NiResist D-2B | – | 18.0-22.0 | 2.75-4.00 | 1.5-3.0 | 0.5max | 0,70-1.25 | 3.0 | – |
| Nicrosilal Spheronic | Type D-2B | 18.0-22.0 | 10-2,5 | 4.5-5.5 | 0.5max | 0.5-1.5 | 3.0 | – |
| NiResist D-2C | – | 21.0-24.0 | 0.5max | 1.0-3.0 | 0.5max | 1.8-2.4 | 2.9 | – |
| NiResist D-2M | Type D-2C | 22.0-24.0 | 0.2max | 1.5-2.5 | 0.5max | 3.75-4.50 | 2.6 | – |
| NiResist D-3A | Type D-3A | 28.0-32.0 | 1.0-1.5 | 1.0-2.8 | 0.5max | 1.0max | 2.6 | – |
| NiResist D-3 | Type D-3 | 28.0-32.0 | 2.5-3.5 | 1.0-2.8 | 0.5max | 1.0max | 2.6 | – |
| NiResist D-4A | – | 29.0-32.0 | 1.5-2.5 | 4.0-6.0 | 0.5max | 0.5-1.5 | 2.6 | – |
| NiResist D-428 | Type D-4 | 0.0-32.0 | 4.5-5.5 | 5.C-6.0 | 0.5max | 1.0max | 2.6 | – |
| NiResist D-534 | Type D-5 | 0.0-36.0 | 0.1 max | 1.0-2.8 | 0.5max | 1.0max | 2.4 | – |
| NiResist D-5B | Type D-5B | 34.0-36.0 | 2.0-3.0 | 1.0-2.8 | 0.5max | 1.0max | 2.4 | – |
| NiResist D-5S | Type D-5S | 34.0-37.0 | 1.15-2.25 | 4.9-5.5 | 0.5max | 1.0max | 2.3 | – |
| NiResist D-6 | – | 12.0-14.0 | 0.2max | 2.0-3.0 | 0.5max | 6.0-7.0 | 3.0 | – |
| Alloy | Tensile Strength | Yield Strength | Elongation | Modulus of Elasticity | Charpy Impect | Brinell Hardness |
|---|---|---|---|---|---|---|
| MPa(ksi) | 0.2% Offset Mpa(ksi) | % | MPa(ksi)x103 | Kg-m(ft-lb) | ||
| Ni-Resist | 370-480 | 210-250 | 7-20 | 112-130 | 14-27 | 140-200 |
| D-2 | (53-69) | (30-36) | (16-19) | (101-197) | ||
| Ni-Resist | 370-480 | 210-250 | 8-20 | 112-130 | 14-27 | 140-200 |
| D-2W | (53-69) | (30-36) | (16-19) | (101-197) | ||
| Ni-Resist | 390-500 | 210-260 | 7-15 | 112-133 | 12 | 150-255 |
| D-2B | (56-71) | (30-37) | (16-19) | (87) | ||
| Nicrosilal | 370-440 | 210-260 | 10-18 | – | – | 180-230 |
| Spheronic | (53-63) | (30-37) | ||||
| Ni-Resist | 370-450 | 170-250 | 20-40 | 85-112 | 21-33 | 130-170 |
| D-2C | (53-64) | (24-36) | (12-16) | (153-240) | ||
| Ni-Resist | 440-480 | 210-240 | 25-45 | 120-140 | 24-34 | 150-180 |
| D-2M | (63-69) | (30-34) | (17-20) | (175-248) | ||
| NI-Resist | 370-450 | 210-270 | 13-18 | 112-130 | 16 | 130-190 |
| D-3A | (53-64) | (30-39) | (16-19) | (117) | ||
| Ni-Resisl | 370-480 | 210-260 | 7-18 | 92-105 | 8 | 140-200 |
| D-3 | (53-69) | (30-37) | (13-15) | (59) | ||
| Ni-Resist | 380-500 | 210-270 | 10-20 | 130-150 | 10-16 | 130-170 |
| D-4A | (54-71) | (30-39) | (19-21) | (73-117) | ||
| Ni-Resist | 390-500 | 240-310 | 1-4 | 91 | – | 170-250 |
| D-4 | (56-71) | (34-44) | (13) | |||
| Ni-Resist | 370-420 | 210-240 | 20-40 | 112-140 | 20 | 130-180 |
| D-5 | (53-60) | (30-34) | (16-20) | (145) | ||
| Ni-Resist | 370-450 | 210-290 | 7-10 | 112-123 | 7 | 140-190 |
| D-5B | (53-64) | (30-41) | (16-18) | (56) | ||
| Ni-Resist | 370-500 | 200-290 | 10-20 | 110-145 | 12-19 | 130-170 |
| D-5S | (53-71) | (29-41) | (16-21) | (87-138) | ||
| Ni-Resist | 390-470 | 210-260 | 15-18 | 140-150 | – | 120-150 |
| D-6 | (56-67) | (30-37) | (20-21) |
Grey cast Iron
Grey iron is an alloy of iron, carbon and silicon that has been melted and poured into a mould to form a shape. If molten iron is allowed to cool normally the carbon comes out of solution and forms flakes of graphite which run through the ferrite/pearlite matrix.
Properties
- Good under compression. Not good under tension, bending or shock loading.
- A range of tensile strength and hardness to suit different applications.
- The free graphite expands on solidifying, giving sharp, well defined castings.
- Good corrosion resistance when compared to mild steel.
- The graphite acts as a lubricant, improving wear resistance.
- Good thermal conduction and vibration damping properties Works well under continual heating and cooling cycles.
- Good machinability.
- Difficult to weld.
Uses
- Spares and consumables in forges and rolling mills.
- Brake disks and drums particularly where castings are subject to repeated heating and cooling cycles.
- Valve and pump applications.
- Marine castings
- Motor housings, gearboxes, engine blocks and machinery components.
- Architectural, decorative and sculptural castings.
- Suited to low, medium and high production quantities.
| 1. Country/International Organisation | Standard Designation | C(%) | Si(%) | Mn (%) | P. Max. (%) | S. Max. (%) | Brinell Hardness |
|---|---|---|---|---|---|---|---|
| INDIA | IS-210 – Grade FG-220 | 3.3 – 3.6 | 1.8 – 2.4 | 0.6-0.8 | 0.35 | 0.15 | 180-220 |
| UK | BS – 1452 – Grade 14 | ||||||
| USA | ASTM – Grade – 30A | ||||||
| INDIA | IS-210 – Grade FG-260 | 3.2 – 3.5 | 1.5 – 2.1 | 0.6-0.8 | 0.25 | 0.15 | 180-230 |
| UK | BS – 1452 – Grade 17 | ||||||
| USA | ASTM – Grade – 35A | ||||||
| INDIA | IS-210 – Grade FG-300 | 3.1 – 3.3 | 1.3 – 1.8 | 0.7-09 | 0.15 | 0.1 | 180-230 |
| UK | BS -1452 – Grade 20 | ||||||
| USA | ASTM – Grade – 40A | ||||||
| INDIA | IS-210 – Grade FG-350 | 3.0 – 3.2 | 1.1 – 1.5 | 0.8-1.0 | 0.1 | 0.1 | 207-241 |
| UK | BS -1452 – Grade 23 | ||||||
| USA | ASTM – Grade – 50A | ||||||
| 2. Bending Strength Min. MPa (kgf/mm2) | FG 220 | FG 260 | FG 300 | FG 350 | |||
| 390(40) | 430(44) | 470(48) | 550(56) |
| Country | Standard | Equivalent Grades of Gray Iron (Grey Cast Iron) | ||||||
|---|---|---|---|---|---|---|---|---|
| India | IS 210 | — | FG150 | FG200 | FG260 | FG300 | FG350 | FG400 |
| ISO | ISO 185 | 100 | 150 | 200 | 250 | 300 | 350 | — |
| USA | ASTM A48 | — | NO.20 | NO.30 | NO.35 | NO.40 | NO.50 | NO.55 |
| NO.25 | NO.45 | NO.60 | ||||||
| European | EN 1561 | EN-GJL-100 | EN-GJL-150 | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 | EN-GJL-350 | |
| Italy | UNI 5007 | G10 | G15 | G20 | G25 | G30 | G35 | — |
| UK | BS 1452 | 100 | 150 | 200 | 250 | 300 | 350 | — |