Item # B65 4.375, 65-45-12 Ductile Iron Round Bar on Morgan Bronze Products, Inc.

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All Categories > C172 Beryllium Copper Tube > Class 40 Gray Iron > Ni-Resist 201 Type 1 Iron Bar > Ductile Iron > Item # B65 4.375


	Item # B65 4.375 65-45-12 Ductile Iron Round Bar
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65-45-12 Ductile Iron Round Bar
Offers superior machinability to any other ferrous material (including 12L14; specifically in milling and drilling applications) combined with optimal impact, fatigue, electrical conductivity and magnetic permeability properties.
Noise and vibration damping are very good in this grade.

Unit of Measure: Imperial | Metric | Both

Specifications · Characteristics

Specifications

Type		Round Bar

Material		65-45-12 Ductile Iron

Diameter		4 3/8 Inch

Stock Allow		0.154 Inch

Min. Cast O.D.		4.481 Inch

Max. Cast O.D.		4.577 Inch

Bar Length		6 ft

Weight Per Inch		4.1917 lbs

Weight Per Bar		302 lbs

Characteristics

Standard

ASTM A536, Grade 65-45-12, Meehanite SF-400 (SF60)

Condition

As Cast (Rectangles and Squares)
As Cast and Cold Finished (Rounds)

Chemistry

Subordinate to Mechanical Properties
Typical Ranges:

Element	Typical %
Carbon	3.40 - 3.85
Silicon	2.30 - 3.10
Manganese	0.1 - 0.3
Sulphur	0.02 max
Phosphorous	0.1 max
Balance	Residual

Min. Tensile Strength

65000 psi

Min. Yield Strength

45000 psi

Min. Elongation

12 %

Min. Brinell Hardness

143

Max. Brinell Hardness

201

Micro Structure

Contains Type I & II nodular (spheroidal) graphite in accordance with ASTM A247. The rim contains approximately 200/250 nodules/square mm, and is essentially ferritic, with the core containing 90/150 nodules/square mm. The matrix contains small amounts of pearlite (5-25% depending on section size). Chill carbides will be less then 5%, well dispersed (at 100x magnification).

Heat Treat Response

Due to its ferritic structure, 65-45-12 Ductile Iron is not intended for hardening. Hardening is readily achieved using 80-55-06 Ductile Iron. Ductile Iron 65-45-12 can be annealed to improve impact strength and elongation values for certain applications or in some cases to meet ASTM A395 (Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures).

Item # B65 4.375 65-45-12 Ductile Iron Round Bar

Type

Material

Diameter

Stock Allow

Min. Cast O.D.

Max. Cast O.D.

Bar Length

Weight Per Inch

Weight Per Bar