Malleable & Gray Iron Castings Weighing Less Than Two Pounds. High-Volume Applications. Near-Net Shape With Tolerance To Plus/Minus 0.008". Surface & Quality Competes With Investment Castings. Specialize In Thin Walls To 0.040" Weldable Whiteheart Malleable Iron Grades Is A Steel Substitute. Internal Cast-In Threads. Pearlitic & Ferritic Grades. All Gray Iron Grades. Flash & Mismatch Under 0.020" Is Standard. In-House Pattern Shop, Heat-Treating, Engineering Support & Machining. ISO 9002 Registered