304 Stainless Steel Shafting

304 Stainless Steel Shafting: 304 stainless steel shaft stock is a buyer-focused application of the UNS S30400 austenitic grade. Shafting customers care about finished outside diameter, straightness, surface roughness and support conditions for their machinery.

Download Mozaic 304 Stainless Steel Shafting reference sheet (PDF)

304 Stainless Steel Shafting — Technical Purchasing Guide

Grade, condition and processing reference information
Item	Reference / purchasing detail
Material/product	304 Stainless Steel Shafting
Grade identity and purchase standard	UNS S30400 / Type 304; ASTM A276 or A479 where applicable
Delivery or treatment condition	Annealed or cold-worked condition; customer-defined straightness and surface finish
Typical applications	Pump shafts, conveyor shafts, precision-guided pins and industrial machinery
Selection concern	Unlike a generic 304 round-bar purchase, shafting requires independent dimensional and runout criteria.
Mozaic processing	Precision round-bar grinding, straightening, cutting, chamfering and packing when feasible

Technical overview, not a certified composition or mechanical-property report. Confirm grade designation, product standard, required condition and heat-lot documentation for every order.

Why Material Grade and Condition Matter

Unlike a generic 304 round-bar purchase, shafting requires independent dimensional and runout criteria. Representative components include pump shafts, conveyor shafts, precision-guided pins and industrial machinery. Different grades can share a broad alloy family while requiring distinct finishing, inspection or material qualification. Procurement and engineering should agree on the supplied condition and part performance before accepting substitutions.

Precision Bar Supply and Processing

Mozaic Precision Metals offers project-specific centerless grinding, bar straightening, polishing, saw cutting, chamfering and packaging. Our quoting process considers material condition, diameter, length and the required final surface. Diameter tolerance, straightness and roughness should be specified and inspected separately.

Related Grades and Comparison Resources

304 stainless round bar stock — related application or grade information
precision shafting — related application or grade information

What to Include in Your RFQ

Send the alloy or grade, appropriate standard/revision, raw stock size, target finished OD, length, quantity, specified heat-treated or drawn condition, straightness, finish and certificates. Request a quote online, email sales@mozaicprecision.com or call 847-637-8379.

304 Stainless Steel Round Bar: Versatility and Applications

304 stainless steel round bar is one of the most widely used stainless alloys thanks to its excellent combination of mechanical strength, corrosion resistance, and formability. Known as the “workhorse” of stainless steels, 304 is used across industries ranging from construction to medical equipment.

Applications of 304 Stainless Steel Round Bar

Construction: Reinforcing concrete structures, rebar, wire rods, and wire mesh.

Manufacturing: Bearings, gears, valves, and precision components for machinery and equipment.

Food Processing: Mixers, blenders, and sanitary equipment requiring hygienic, corrosion-resistant materials.

Medical Industry: Surgical instruments, implants, and other biocompatible components.

Oil & Gas: Drill rods, pumps, and valves designed for demanding environments.

With its ability to be machined, welded, and formed into custom parts, 304 stainless steel bar stock provides exceptional versatility and performance across these industries.

Capabilities of 304 Stainless Round Bar

Originally known as 18-8 stainless steel (18% chromium and 8% nickel), 304 is an austenitic grade prized for its toughness and ductility. Its chromium content forms a protective oxide layer that resists rust, while its nickel content improves formability and corrosion resistance.

The primary difference between 304 and 304L stainless steel lies in carbon content: 304 contains slightly more carbon, while 304L offers better weldability with lower risk of carbide precipitation.

Key Characteristics

Corrosion Resistance: Excellent performance in general atmospheric and mild chemical environments.

Strength & Durability: Withstands wear and mechanical stress in industrial applications.

Formability: Easy to machine, weld, and fabricate into custom designs.

Sanitary Properties: Smooth, non-porous surface ideal for food-grade and medical uses.

304 Stainless Steel Shafts

304 stainless steel shafts are especially valued in food processing, where sanitary conditions and corrosion resistance are critical. They are used in mixers, blenders, and other equipment that demands reliability and cleanliness.

Their combination of mechanical strength, toughness, and ease of fabrication makes 304 stainless shafts a trusted solution for custom components across multiple industries.