Lethbridge Iron Works manufactures custom castings for many different industries. The Company produces Ductile Iron, Austempered Ductile Iron, Gray Iron and Alloy Iron castings in weights ranging from less than a pound to more than 500 pounds. Quantities range from 50 pieces to 500,000 pieces per order. Lethbridge Iron Works excels at mid to high production runs of 1 pound to 70 pound ferrous castings. Contract machining and painting can be provided giving customers a completely finished product ready for assembly. Castings are shipped to companies throughout North America. Lethbridge Iron Works' major customer sectors include agriculture, automotive, rail, oil & gas, and various others. Click on the buttons at the top of the page to see some of the many castings Lethbridge Iron Works produces for their customers. The grades of iron poured at Lethbridge Iron Works are detailed below.
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DUCTILE IRON |
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| Grade | Min. Tensile (psi) | Min. Yield (psi) | Elongation (%) | Typical HBW |
| 60-40-18 | 60,000 | 40,000 | 18 | 140 - 190 |
| 65-45-12 | 65,000 | 45,000 | 12 | 160 - 220 |
| 70-50-09 | 70,000 | 50,000 | 9 | 170 - 230 |
| 80-55-06 | 80,000 | 55,000 | 6 | 190 - 260 |
| 100-70-03 | 100,000 | 70,000 | 3 | 240 - 310 |
| DUCTILE IRON ASTM A395 - 99 (2004) (castings of this specification will be annealed to a ferritic structure) |
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| Grade | Min. Tensile (psi) | Min. Yield (psi) | Elongation (%) | Typical HBW |
| 60-40-18 | 60,000 | 40,000 | 18 | 143 - 187 |
| AUSTEMPERED DUCTILE IRON ASTM A897 - 06 (castings of this specification are heat treated by an austempering process) |
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| Grade | Min. Tensile (psi) | Min. Yield (psi) | Elongation (%) | Typical HBW |
| 110-70-11 | 110,000 | 70,000 | 11 | 241 - 302 |
| 130-90-09 | 130,000 | 90,000 | 9 | 269 - 341 |
| 150-110-07 | 150,000 | 110,000 | 7 | 302 - 375 |
| 175-125-04 | 175,000 | 125,000 | 4 | 341 - 444 |
| 200-155-02 | 200,000 | 155,000 | 2 | 388 - 477 |
| 230-185-01 | 230,000 | 185,000 | 1 | 402 - 512 |
| GRAY IRON ASTM A48 - 03 |
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| Grade |
Min. Tensile (psi) |
Typical HBW |
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| 20 |
20,000 |
120 - 180 |
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| 25 |
25,000 |
150 - 210 |
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| 30 |
30,000 |
180 - 240 |
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35
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35,000 |
180 - 240 |
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40
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40,000 |
210 - 270 |
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| GRAY IRON ASTM A126 - 04 |
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| Grade |
Min. Tensile (psi) |
Typical HBW |
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| A |
21,000 |
120 - 180 |
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| B |
31,000 |
180 - 240 |
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| C |
41,000 |
210 - 270 |
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| ABRASION RESISTANT CAST IRON ASTM A532 - 93a (reapproved 2003) "HIGH CHROME - YC" |
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| Class/Type |
- |
BHN Range (Typical) |
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| Class III Type A |
(LIW Typically 27% Chrome) |
550 - 700 |
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