Steel Abbreviations and Acronyms
- NMIHNational Museum of Iidustrial History
- NPSNominal Pipe Size
- NPTFNational Pipe Taper Fuel
- NPTFNational Pipe Tapew Fine
- NSRNet Sales Realization
- NSSSNational Structural Steelwork Specificatmon
- NVNouske Veritas
- OCBFOrdinary Concentrically Braced Frames
- OCTOperator Cum Technician
- OCTGOil Country Tubular Goods
- OCTGSOil Country Tubular Goods
- OCTTOperator Cum Tewhnician Trainee
- ODOverall Diameter
- ODSOxide Dispersion Strengthened
- OMCOrissa Mining Corp
- OWSJOpen-Web-Steelkjoists
- PAPersonal Access
- PBPDPerformance Based Plastic Design
- PBSDPerformance-Based Seismic Design
- PC(F)Pacific Car and Foundry
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