Cast Iron Class 40
Farmer’s Copper Ltd. continually inventories cast iron (class 40) in solid and rectangle bar. Cast iron possesses the highest strength, hardness, resistance to wear and heat treat response for an unalloyed gray iron. Machinability, noise and vibration damping is Excellent to Very Good. Continuous casting virtually eliminates rejections due to porosity and centerline shrinkage.
Farmer’s Copper Ltd. cuts material to the specifications provided by its customers through one of the many machines on hand. Our precision plate saws, bar saws, shears, and water jets have the ability to deliver your exact needs. Call us at 409-765-9003.
Cast Iron Class 40 Applications
- Hydraulic cylinders
- Manifolds
- Bushings
- Bearings
Industries
Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.
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Fabrication Properties
| GRAY IRON PROPERTIES | VERSA-BAR (40,000 PSI) V-2 | |
| Tensile Strength | 40,000 psi | |
| Compressive Strength | 150,000 psi | |
| Transverse Strength: | Average | |
| Lbs. Load on 1.2" Dia. Bar on 18" Span | 4,000 psi | |
| Deflection - Inches | 0.25 - 0.34 | |
| Brinell Hardness Range | 183/285 | |
| Microstructure, As Cast | Essentially Pearlitic | |
| Heat Treatment | Can be Oil-Quench | |
| Hardened from 1575 Degrees F to Attain Rockwell C-50 Min. Surface Hardness | ||
| Machinability | Very Good |
ASTM Standard Designation for Cast Iron (Class 40): ASTM A 48
| Element | Typical % | |
| Carbon | 2.9 - 3.65 | |
| Silicon | 1.8 - 2.9 | |
| Manganese | 0.5 – 0.7 | |
| Sulphur | .1 Max | |
| Phosphorous | 0.15 Max |
Our Commitment to Service
As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.