Company profile
About Lock Joint Tube
Lock Joint Tube is a South Bend–headquartered manufacturer of mechanical and structural steel tubing, including galvanized tubing for fence applications. Founded in Indiana in 1919, Lock Joint Tube is a privately owned member of the Lerman Enterprise network of related industry companies. It operates five plants in Indiana, Ohio, Texas, and Tennessee, serving fabricators, distributors, and OEMs with mechanical, structural, and industrial steel tubing.
Products & services
directory listingRESIDENTIAL CHAIN LINK
2 lines
Back/Frontyard Fencing, Pool Fencing, Prefabricated Dog Kennels, etc.
- Galvanized Chain-link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
- Vinyl Coated Chain-link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
COMMERCIAL CHAIN LINK
4 lines
Office Parks, Schools, Government/Municipal Projects, Sports/Playfields, etc.
- Galvanized Chain link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
- Vinyl Coated Chain link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
- Aluminized Chain-link FabricManufacture: YesDistribute: No
- Aluminum Slide GatesManufacture: YesDistribute: No
HIGH-SECURITY / INDUSTRIAL CHAIN LINK
4 lines
Data Centers, Prisons, Airports, Power Plants, etc.
- Galvanized Chain link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
- Vinyl Coated Chain link Systems (Fabric, Framework, Gates, Fittings)Manufacture: YesDistribute: No
- Aluminized Chain-link FabricManufacture: YesDistribute: No
- Aluminized Slide GateManufacture: YesDistribute: No
Services
1 line
- Industry InformationService: Yes
Capabilities
Built for the chain-link field.
- Mechanical and structural grade steel-tube manufacturing
- Cold-formed, high-frequency electric-resistance-welded tubing production
- Custom tooling and custom tube sizes
- Round, square, rectangular, oval, octagonal, and specialty tube profiles
- Saw cutting and CO2 laser tube cutting
- In-house metallurgical laboratory and technical services
Materials & systems
- Galvanized Systems
- Galvanized steel tubing
- Hot-rolled steel tubing
- Cold-rolled steel tubing
- Aluminized steel tubing
- Mechanical and structural carbon-steel tubing
Standards & designations
- ASTM A500 structural grade steel tubing
- ASTM A513 mechanical tubing
- ASTM A787 mechanical tubing
- JIS G3445 and European equivalents