430 Stainless Steel Round Bar

430 Stainless Steel Round Bar — 430 stainless steel (UNS S43000) is a magnetic ferritic chromium grade. It is often considered for machined components where its moderate corrosion resistance and ferritic properties are acceptable. It is not heat-hardenable by conventional quench treatment.

Download 430 Stainless Steel Round Bar technical reference sheet (PDF)

430 Stainless Steel Round Bar — Grade and Specification Information

Reference alloy identification and purchase-order requirements
Item	Details
Grade / material designation	430 Stainless Steel Round Bar
Chemistry / identity	Chromium 16.0–18.0 wt%; carbon 0.12 wt% maximum; manganese 1.00 wt% maximum
Applicable specification to confirm	ASTM A276 / ASTM A479 when applicable
Supply condition	Ferritic, generally annealed; not conventionally quench-hardenable
Typical component applications	Ferritic stainless turned components, fasteners and general industrial parts
Finished bar processing	Customer-defined outside diameter, tolerance, straightness and surface finish; actual capability is project-specific

The table provides grade-level background, not certified mechanical or chemical values for a particular heat. Verify the governing standard, supplied condition and mill test report.

Material Selection and Limitations

430 differs from 430F and from magnetic ASTM A838/430FR-type purchasing requirements.

Before purchasing, confirm whether the job calls for corrosion resistance, hardness, strength, machinability, elevated-temperature performance, or dimensional stability. Matching only a similar material name does not establish engineering interchangeability. A design engineer should approve any substitutions against the drawing and the customer-required specification.

Industrial Applications and Precision Processing

430 Stainless Steel Round Bar is used for ferritic stainless turned components, fasteners and general industrial parts. At Mozaic Precision Metals, we review requests for centerless grinding, straightening, polishing, chamfering, saw cutting and protective packaging based on the grade’s condition and the required bar dimensions. Exact stock availability, OD tolerance and finish capability are quoted case by case.

Related Stainless Steel and Alloy Grades

430F free-machining stainless — a related grade with distinct service or processing characteristics
304 austenitic stainless — a related grade with distinct service or processing characteristics

Request a 430 Stainless Steel Round Bar Quote

Include the exact designation and product specification, annealed or heat-treated condition, starting diameter and required finished OD, length, quantity, straightness requirement, surface roughness, and material certifications. Request pricing and availability; email sales@mozaicprecision.com or call 847-637-8379.

Grade reference: related technical or qualification resource. For purchasing decisions, the current specification and mill documentation govern.

Reliable 430 Stainless Steel Round Bar Supplier

At Mozaic Precision Metals, we understand that choosing the right stainless steel is critical to your project’s success. That’s why we supply premium 430 stainless steel round bar stock, trusted for its durability, corrosion resistance, and affordability. With our commitment to quality, you can move forward with confidence knowing you have materials built to perform.

Applications of 430 Stainless Steel Round Bar

430 stainless steel is widely used thanks to its balance of corrosion resistance, formability, and cost-effectiveness. Common applications include:

Kitchen Appliances: Refrigerators, dishwashers, ovens, and other appliances requiring heat and corrosion resistance.

Automotive: Trims, moldings, and structural components where formability and durability are essential.

Industrial Equipment: Chemical processing equipment, storage tanks, and piping systems exposed to mild corrosion.

Cutlery & Tableware: Flatware and utensils valued for corrosion resistance, hygiene, and easy cleaning.

Advantages of 430 Stainless Steel Round Bar

Corrosion Resistance: Excellent performance in mildly corrosive environments.

Formability: Easily shaped, welded, and fabricated into custom designs.

Affordability: More cost-effective than many other stainless steel grades.

Heat Resistance: Reliable performance in high-temperature applications.

Magnetic Properties: Naturally magnetic, making it useful for specialized applications.

With its combination of corrosion resistance, formability, and affordability, 430 stainless steel round bar is a versatile and dependable choice across industries ranging from automotive to food service.