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.

Typical Applications

  • Hydraulic cylinders
  • Manifolds
  • Bushings
  • Bearings

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.

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

Contact one of our sales representatives today
to inquire about a quote from Farmers Copper
or call us today at (800) 231-9450



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