(717) 632-4165 Mon - Fri 7:30am - 4:00pm EST 500 Broadway Hanover, PA 17331
Certified
ISO 9001
Member of
The Lawton Standard Family
Specializing in
gray and ductile iron castings
Request a Quote

Penn-Mar Castings, LLC.

Quality castings on time.

Penn-Mar Castings provides quality ductile iron and gray iron castings to a wide variety of industries worldwide at competitive prices. The management staff at our PA office has more than 200 decades of combined foundry experience, giving you the confidence that they know how to meet or exceed your current expectations. We are proud members of The Lawton Standard Co. family of companies.

 

Penn-Mar Castings is “The Best Kept Secret,” with production lead times of 3-6 weeks. We have been casting parts in the 150-5000 pound range since the 1960s. Penn-Mar Castings is a complete no-bake flaskless facility that specializes in highly complex cored iron castings. We currently employ approximately 60 people, and we have the resources and capacity to meet the growing needs within the industry.

Penn-Mar’s Story

  • Engineering the costs out of your castings.
  • Assure the lowest scrap rate before costly machining is applied.
  • Reduce your on-site inventory quantities with PMC’s just in time delivery.
  • Reduce machining time.
Advantages of Gray Iron
  • Gray iron refers to a class of ferrous alloy normally characterized by a microstructure of flake graphite in a ferrous matrix. It is named after the gray color of the fracture it forms, and it is the most commonly used cast iron. Gray iron is, in essence, an iron-carbon-silicon alloy that contains 2.5 to 4% C, 1 to 3% Si, and other small alloy additions. Benefits/Properties of Gray Iron:
  •  Relatively low cost
  •  Excellent machinability and wear resistance
  •  High thermal conductivity
  •  Excellent damping capacity
  •  Low solidification shrinkage 
    (compared to non-graphite precipitating irons)
  •  Excellent castability
Advantages of Ductile Iron (Nodular Iron, SG Iron)
  • Ductile iron is a cast iron in which the precipitated graphite present is in the form of tiny spheres or nodules because of additives introduced to the molten iron before casting. The resulting microstructure gives ductile iron higher strength, more elongation, and greater toughness than gray iron. Benefits/Properties of Ductile Iron:
  •  High strength to weight ratio
  •  Excellent surface detail and finish
  •  Excellent machinability and wear resistance
  •  Reduced weight compared to steel
  •  Excellent castability
  •  Can replace some steel forgings, cast carbon steel, and fabrications

General Capabilities

  •  Pouring gray and ductile iron castings from 150 to 5,000 pounds to
    ASTM specifications
  •  Air-set/no-bake, chemically bonded sand for precision castings
  •  Producing a range of iron castings, including complex, highly cored
    parts at close tolerances to basic parts requiring no cores
  •  Austempered ductile iron (ADI) specialized heat treat process for
    superior strength
  •  Producing 1,000 tons of finished iron castings per month
  •  Production runs from 1 – 200 per month
  •  Gray iron Class 20-50 & Ductile 100-70-03, 80-55-06, 
    65-45-12 & 60-40-18
  •  Complete pattern layout and design with 2D & 3D capabilities
  •  On-site pattern storage

No-Bake Method

  •  High degree of repeatability
  •  Ability to hold tight tolerances
  •  Requires less machining
  •  Excellent casting soundness for pressure-sensitive application

Long-Term Savings

  •  Lower rejection rate
  •  Lower “through costs” on machining & assembly, eliminating 
    re-machining & re-testing costs
  •  On-time deliveries

Meet the Team

Penn-Mar's History

2021
Penn-Mar joins The Lawton Standard Co. family

Alex Lawton, CEO of The Lawton Standard Co., said, “the addition of Penn-Mar Castings to our platform and especially the Iron Group creates a truly next-level offering. The combination with The C.A. Lawton Co. and its De Pere, WI and Minster, OH operations provides a combination of scope and reliability that will be valued by many.”

View the press release.

Meet Lawton Standard.

2016
Install new Paint Booth
decrease the cost of castings and increase employee safety
2015
Purchase 7500 sqft warehouse
for pattern storage
2010
New Full-service state of the art Metallographic Lab
2010
Completion of Phase One- Mold Line Expansion
Relocating the molding line to a new 16,000 square foot building will improve the material flow and efficiency of the plant.
2008
Add 22,000 square feet
Penn-Mar Castings is expanding its manufacturing complex in Hanover, PA, by over 22,000 square feet. The additional square footage will be utilized in a four-phase expansion over the coming years.
2006
Renovate the cleaning room
GK sand cooler at reclaim sand tanks was installed.
2005
Install Castec 300/500 Sand Mixer
2004
Upgrade furnaces 1 & 2 control cabinet
Upgrade to 900 KW Tri-Line and replace cooling system to closed-loop system.
2003
Binder updates
Installed double-walled binder tank in a climate-controlled area. Replaced acid & binder supply tanks.
2002
Misc. updates

Upgraded Roll-A-Draw with new 7500lb model. A 3rd Pangborn 12LK1S Blast Machine was installed for reblast. A new overhead crane for the 3rd Pangborn Machine was installed. A dust collection system for Pangborn reblast machine and an air filtration system for Cleaning area was installed.

2000
Cleaning room expansion
Extended Cleaning Room by 1,000 square feet. An adjacent warehouse was purchased, which added 8,000 square feet.
1997
Installed a new Ingersoll-Rand 300 HP Air Compressor. A new overhead crane was installed in the Paint Booth area. Four adjacent homes were purchased for future expansion.
1996
Add 4,000 square feet
Purchased an adjacent 4,000 square foot building. Part of this building was remodeled to house a laboratory complete with a spectrometer. The remainder of this building is being used to improve our Maintenance Facility. The Mold assembly and Pouring building was expanded by 5,000 square feet to increase production area. This addition also included an additional overhead crane.
1995
Building added
Added a 6,000 square foot building to contain the second Pangborn 12LK1S Blast and Sand Reclamation System complete with two 300 ton sand silos, sand transporting system, and dust collector. Loading dock facilities were also included in this addition, along with a new overhead crane. A new Ingersoll-Rand 350 HP Air Compressor was installed.
1994
Equipment purchase
Installed a second overhead crane in the Core Department. A second Pangborn 12LK1S Blast and Sand Reclamation System were added to the blast area.
1993
8,000 sqft added
Added an 8,000 square foot building for mold storage and mold cooling. Sand heater added to the Molding Department. Overhead charging crane with magnet and scale installed in the Melting Department. The overhead crane in the Cleaning Department was replaced.
1992
Furnace added
Expanded the Melting Department by installing another Induction Furnace with a power pack.

Meet the Family!

Penn-Mar Casting is a proud member of the Lawton Standard family of companies.