Estimated class examples
50–150
Based on the sample shipments below
Steel parts freight class commonly ranges from Class 50 to Class 150 in the examples below.
Dense machined parts
Class 50
Crated steel components
Class 70
Bulky fabrications
Class 150
These are density-based examples. Your final estimate depends on the finished packaged dimensions, total weight, stackability, fragility, value, and handling requirements for the steel parts shipment.
Estimated class examples
50–150
Based on the sample shipments below
Main class factor
Packaged density
Final dimensions and total weight
Assembly effect
Flat-packed ships denser
Assembled steel parts occupy more space
Carrier review
Stackability and damage risk
Custom, fragile, or glass-front steel parts
Steel Parts density calculator
Example palletized steel parts shipment loaded. Adjust the dimensions or weight to calculate your steel parts freight class.
Your result
Cubic feet
33.33
Density
78.00
lb/cu ft
Estimated freight class
50
Example density-based estimate. Update any field to calculate your shipment.
Steel Parts shipment comparison
Steel parts are often dense, but freight class can rise when bins, crates, protective spacing, or irregular fabricated shapes increase cube. Machined surfaces, threads, rust prevention, loose-part containment, concentrated weight, and stackability all affect the shipment profile.
| Steel Parts shipment | Typical packaging | Density tendency | Stackability | Planning note |
|---|---|---|---|---|
| Machined steel parts | Partitioned bins or crates | Very high | Usually stackable | Protect machined faces and threads. |
| Steel castings | Heavy crates or skids | Very high | Limited | Block concentrated and irregular shapes. |
| Stamped components | Bins, cartons, or returnable totes | High | Usually stackable | Prevent edge damage and nesting shift. |
| Fabricated assemblies | Custom skids or frames | Medium | Non-stackable | Support protrusions and center of gravity. |
steel parts shipping options
The right service depends on steel parts size, packaging, stackability, and handling needs.
| Steel Parts shipment | Common shipping option |
|---|---|
| Dense boxed or binned parts | Standard LTL |
| Heavy castings | Heavy LTL with forklift review |
| Precision machined components | Protected LTL |
| Large fabricated assemblies | Dedicated or specialized service |
Large, irregular, non-stackable, unusually valuable, or specially handled steel parts shipments may need carrier review before booking.
Steel Parts shipment examples
These examples use packaged outside dimensions and the site’s density-to-class chart. They are examples only, not fixed classes for all steel parts shipments.
Compact crate of machined steel components
48 × 40 × 20 in
Packaged weight: 3000 lb
Estimated class
Density-based
50
Partitioned crate with mixed steel parts
48 × 40 × 30 in
Packaged weight: 2600 lb
Estimated class
Density-based
50
Large fabricated assemblies with more protective cube
72 × 48 × 54 in
Packaged weight: 2200 lb
Estimated class
Density-based
70
Calculate your actual shipment
The calculator returns cubic feet, pounds per cubic foot, and a density-based freight class estimate for your steel parts shipment.
Freight classes shown on this page are density-based estimates for shipment planning. Actual classification may also depend on value, handling requirements, liability, stowability, dimensions, and other commodity-specific factors. Confirm the final freight class with your carrier, broker, or official NMFC resources before shipping.
NMFC® is a registered trademark of the National Motor Freight Traffic Association, Inc. FreightClassCalculator.tools is an independent calculator and is not affiliated with, endorsed by, or licensed by NMFTA.