430 Stainless Steel Bar

We specialize in the supply of 430 stainless steel bars, including round, square, flat, and hexagonal bars, offering consistent quality and stable mechanical performance.

Based on application requirements, we support customized size, length, and surface finish, ensuring precise material matching for machining, fabrication, and structural use.

By Manufacturing Process:
Hot rolled 430 stainless steel bar, Cold drawn 430 stainless steel bar

By Bar Shape:
430 round bar, 430 square bar, 430 flat bar, 430 hexagonal bar

Specifications

430 Stainless Steel Bar

430 stainless steel is a ferritic stainless steel primarily alloyed with chromium, offering good corrosion resistance in mildly corrosive environments and excellent resistance to stress corrosion cracking. Typical chemical composition includes 16.0–18.0% Cr, ≤ 0.12% C, with no intentional nickel addition, making it a cost-effective alternative to austenitic stainless steels.

Due to its ferritic structure, 430 stainless steel exhibits good formability, moderate strength, and excellent thermal conductivity, along with stable performance under cyclic heating conditions. It also provides good polishability, making it suitable for applications where surface appearance is important.

Chemical Composition (%)

Mechanical Properties (Typical)

Heat Treatment

Annealing: 815°C – 900°C, followed by air cooling

430 stainless steel bar cannot be hardened by heat treatment

Strength and hardness can be improved through cold working

Stress relieving may be applied after machining or forming to improve dimensional stability

Features of 430 Stainless Steel Bar

Good corrosion resistance in mild atmospheric and indoor environments

Better resistance to stress corrosion cracking compared with austenitic stainless steels

Lower thermal expansion provides good dimensional stability

Magnetic properties suitable for specific industrial requirements

Cost-effective alternative to nickel-containing stainless steel grades

Good formability and machinability for general fabrication and machining

Applications

430 stainless steel bars are widely used in applications where moderate corrosion resistance, dimensional stability, and cost efficiency are required.

Typical application areas include:

Automotive trim and decorative components

Household appliances and kitchen equipment parts

Industrial brackets, shafts, and support components

Fasteners, fittings, and general machined parts

Architectural and decorative applications

FAQ

Q1: Is 430 stainless steel bar magnetic?

Yes. 430 stainless steel bar is ferritic and naturally magnetic.

Q2: What is the difference between 430 and 316 stainless steel bar?

430 offers lower cost and good performance in mild environments, while 316 provides superior corrosion resistance in aggressive and marine environments.

Q3: Can 430 stainless steel bar be used outdoors?

It can be used in mild outdoor conditions but is not recommended for marine or highly corrosive environments.

Q4: Is 430 stainless steel bar suitable for food-related applications?

430 is commonly used for food-contact components in dry or low-corrosion environments, but not for acidic or chloride-rich processing conditions.

Q5: Can 430 stainless steel bar be welded?

430 stainless steel bar can be welded with proper procedures; post-weld heat treatment is often recommended to improve ductility.