Gray and ductile iron castings - Erhart Foundry

Gray and Ductile Iron Capabilities

Products

Material Specification Range
Gray Iron
Class 30 ASTM A48 No. 30 30 ksi (138 MPa)
Class 40 ASTM A48 No. 40 40 ksi (276 MPa)
Class 50 ASTM A48 No. 50 50 ksi (345 MPa)
Ductile Iron
65-45-12 ASTM A536 (SAE D4512) 60 ksi
80-55-06 ASTM A536 (SAE D5506) 80 ksi
Casting Process
Sand casting using no-bake / Airset method
Casting Shipping Weight
Gray Iron - 1# to 7000#
Ductile Iron - 1# to 4500#
Patterns
New, repair, rigging
Wood, styrofoam, aluminum, 3D printed patterns, 3D printed sand molds and cores
Heat Treat
Anneal, stress relieve

Facilities

Manufacturing Area
40,000 sq. ft.
Pattern Storage
As required
Compliance to EPA and OSHA
Yes

Equipment

Melting
2 coreless induction furnaces, 7500# capacity
Coremaking
Oil and no-bake
Molding
No-Bake, squeezer, cope & drag & floor
Cleaning
Twin wheel 8 ft. table blast, stand & hand grinders
Inspection
In process quality controls with final inspection to meet requirements