BORUI CASTING INTERNATIONAL LTD
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Cast Iron Class 40

 

Cast iron possesses the highest strength, hardness, resistance to wear and heat treating 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

Our foundry 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.

 

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

Deflection - Inches

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

0.1 Max

Phosphorous

0.15 Max



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Borui Casting International Ltd. All rights reserved.
Add. No. 1-4-11, Jianshe Road, Donggang, Dandong City, Liaoning, China 118301
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