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.

We specialize in the supply of 316 / 316L stainless steel bars, including round, square, flat, and hexagonal bars, featuring excellent corrosion resistance, 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, welding, and structural applications, especially in corrosive and marine environments.

By Manufacturing Process:
Hot rolled 316 / 316L stainless steel bar, Cold drawn 316 / 316L stainless steel bar

By Bar Shape:
316 / 316L round bar, 316 / 316L square bar, 316 / 316L flat bar, 316 / 316L hexagonal bar

Specifications

316 / 316L Stainless Steel Bar

316 stainless steel bar is an austenitic alloy with added molybdenum, offering excellent corrosion resistance, particularly in chloride or marine environments. It is widely used in chemical, food processing, and coastal applications requiring high durability and hygiene. 316L stainless steel bar, with lower carbon content, provides better weldability and resistance to intergranular corrosion, making it suitable for welded structures and pressure-related parts.

Mechanical Properties (Typical)

Chemical Composition (Typical)

Heat Treatment

1.Solution Annealing
Heating at ~1010–1120°C followed by rapid cooling in water or air restores corrosion resistance and ductility after cold working or welding.

2.Stress Relieving
Applied after heavy forming or machining to reduce residual stresses.

3.Hardening
316 / 316L cannot be hardened by heat treatment; strength improvement is achieved through cold working.

Features

316 Stainless Steel Bar

Contains molybdenum (Mo), providing improved resistance to pitting and crevice corrosion compared with 304 stainless steel

Offers higher strength and good machinability, suitable for precision machining and mechanical components

Performs well in chloride-containing and mildly acidic environments

Suitable for applications where welding is limited or post-weld heat treatment can be applied if required

Maintains stable mechanical properties over a wide temperature range

316L Stainless Steel Bar

Lower carbon content significantly reduces the risk of intergranular corrosion after welding

Excellent weldability, suitable for welded structures without post-weld heat treatment

Provides reliable corrosion resistance in chemical processing, marine, and pressure-related applications

Preferred for fabrication and structural use where long-term corrosion resistance and joint integrity are critical

Maintains good ductility and toughness after welding and forming

Applications

316 / 316L stainless steel bars are widely used in applications requiring high corrosion resistance, good mechanical strength, and long-term reliability, particularly in environments exposed to chlorides, chemicals, or moisture.

Typical application areas include:

Chemical & Petrochemical Industry
Used for reactors, heat exchangers, piping components, shafts, and fasteners due to excellent resistance to acids, alkalis, and chemical media.

Marine & Offshore Engineering
Commonly applied in marine shafts, structural supports, fasteners, and offshore equipment exposed to seawater and salt spray.

Food Processing & Pharmaceutical Equipment
Suitable for food-grade machinery, processing lines, tanks, and sanitary components where corrosion resistance and hygiene are critical.

Medical & Sanitary Applications
Used in medical equipment components, surgical tools, and sanitary fittings requiring cleanability and corrosion resistance.

Machinery & Precision Machining
Widely used for valves, pumps, fittings, bolts, and precision machined parts requiring dimensional accuracy and stable performance.

316L stainless steel bar is especially recommended for welded structures, pressure vessels, and fabrication applications, as its low carbon content helps reduce the risk of intergranular corrosion after welding.

FAQ – 316 / 316L Stainless Steel Bar

1.What is the difference between 316 and 316L stainless steel bar?
316L has lower carbon content than 316, providing improved weldability and better resistance to intergranular corrosion, especially after welding.

2.Is 316L stainless steel bar better than 316?
In welded or pressure-bearing applications, 316L is often preferred due to its lower carbon and reduced sensitization.

3.Can 316 stainless steel bar be used in marine environments?
Yes. Both 316 and 316L stainless steel bars offer excellent corrosion resistance in marine and chloride-rich environments.

4.Is 316 stainless steel bar food grade?
Yes. Both grades are widely used in food processing and pharmaceutical industries due to corrosion resistance and hygiene performance.

5.What is the difference between 304 and 316 stainless steel bar?

316 contains molybdenum for enhanced corrosion resistance compared with 304, making 316 more suitable for harsh or chloride environments.

We specialize in the supply of 304 stainless steel bars, including round, square, flat, and hexagonal bars, with 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 304 stainless steel bar, Cold drawn 304 stainless steel bar

By Bar Shape:
304 round bar, 304 square bar, 304 flat bar, 304 hexagonal bar

Specifications

304 Stainless Steel Bar

304 stainless steel bar is a widely used austenitic chromium-nickel stainless steel, known for its excellent corrosion resistance, good mechanical properties, and overall material stability.
With balanced strength, ductility, and weldability, 304 stainless steel bar is suitable for structural, machining, and corrosion-resistant applications across multiple industries.
It is often selected where long-term durability and material reliability are required in both indoor and outdoor environments.

Mechanical Properties (Typical)

Chemical Composition (Typical)

Heat Treatment of 304 Stainless Steel Bar

1、Solution Annealing

Temperature range: 1010–1120°C
Process: Rapid cooling in water or air after heating
Purpose: Restores corrosion resistance and ductility after cold working or welding

2、Stress Relieving

Applied after heavy machining or forming
Helps reduce residual stress and minimize distortion

3、Hardening

304 stainless steel cannot be hardened by heat treatment
Strength improvement is achieved through cold working only

4、Performance Balance

Proper heat treatment prevents sensitization and ensures stable performance in welded, machined, and pressure-bearing applications.

Features of 304 Stainless Steel Bar

Corrosion Resistance: Excellent resistance to oxidation and many chemical environments, suitable for long-term service.

Mechanical Balance: Provides a reliable balance of strength and ductility for machining and forming.

Weldability: Suitable for most welding processes without preheating.

Non-magnetic Property: Generally non-magnetic in annealed condition; slight magnetism may appear after cold working.

Material Stability: Maintains consistent performance across a wide temperature range.

Applications of 304 Stainless Steel Bar

Structural Components: frames, supports, anchors; recommended diameter: 10–80 mm.

Machinery Parts: shafts, fasteners, pins, and fittings; recommended cold drawn bars.

Food & Chemical Equipment: mixing shafts, connectors, processing components.

Architectural Applications: handrails, decorative structures, load-bearing elements.

General Fabrication: cutting, welding, machining, and forming operations.

FAQ – 304 Stainless Steel Bar

1、Is 304 stainless steel bar suitable for outdoor use?
Yes, it performs well in most outdoor environments except highly chloride-rich conditions.

2、Can 304 stainless steel bar be welded?
Yes, it has excellent weldability and usually does not require post-weld heat treatment.

3、Is 304 stainless steel bar magnetic?
It is non-magnetic in annealed condition but may become slightly magnetic after cold working.

4、What is the difference between 304 and 316 stainless steel bar?
316 offers improved corrosion resistance due to molybdenum addition, while 304 provides a more economical solution for general applications.

We specialize in the supply of 201 stainless steel bars, providing round, square, hexagonal, and flat bars with stable quality and consistent mechanical performance.
Based on application requirements, we support customized diameter, length, and surface finish, ensuring accurate material selection for fabrication and machining needs.

By Manufacturing Process:
Hot rolled 201 stainless steel bar, Cold drawn 201 stainless steel bar

By Bar Shape:
201 round bar, 201 square bar, 201 flat bar, 201 hexagonal bar

Specifications

201 Stainless Steel Bar

201 stainless steel bar is an austenitic chromium-manganese stainless steel developed as a cost-effective alternative to nickel-containing grades.
By partially replacing nickel with manganese and nitrogen, 201 stainless steel offers good mechanical strength and formability while maintaining basic corrosion resistance in mild environments.
It is widely used in structural components, decorative parts, and general fabrication where strength and economy are prioritized over high corrosion resistance.

Mechanical Properties (Typical)

Chemical Composition (Typical)

Heat Treatment of 201 Stainless Steel Bar

1.Solution Annealing

Temperature range: 1010–1080°C
Process: Rapid cooling after heating
Purpose: Restores ductility, improves corrosion resistance, and stabilizes austenitic structure

2.Stress Relieving

Applied after cold drawing or machining
Helps reduce residual stress and dimensional distortion

3.Hardening

201 stainless steel cannot be hardened by heat treatment
Strength enhancement is achieved through cold working

4.Performance Balance

Proper heat treatment ensures uniform mechanical properties and stable performance during forming and machining operations.

Features of 201 Stainless Steel Bar

Strength Performance: Higher tensile strength than 304 in cold-worked condition, suitable for load-bearing components.

Cost Advantage: Reduced nickel content significantly lowers material cost.

Formability: Good cold workability for bending, drawing, and shaping.

Magnetic Behavior: Non-magnetic in annealed condition; may become slightly magnetic after cold working.

Corrosion Resistance: Adequate for indoor and mild environments; not recommended for chloride-rich or marine conditions.

Applications of 201 Stainless Steel Bar

Structural Components: frames, supports, brackets; recommended diameter: 8–50 mm.

Decorative Parts: railings, handles, architectural elements; recommended polished bars.

Machinery Components: shafts, pins, fasteners; recommended cold drawn bars for dimensional accuracy.

Furniture Manufacturing: connectors and load-bearing elements; recommended round or flat bars.

General Fabrication: cutting, welding, and machining applications with cost sensitivity.

FAQ – 201 Stainless Steel Bar

1.Is 201 stainless steel bar magnetic?
It is generally non-magnetic in annealed condition but may exhibit slight magnetism after cold working.

2.Can 201 stainless steel bar be welded?
Yes, standard welding methods can be used, but proper control is required to minimize cracking and distortion.

3.How does 201 compare to 304 stainless steel bar?
201 offers lower cost and higher strength, while 304 provides better corrosion resistance and long-term stability.

4.Is 201 stainless steel suitable for outdoor use?
It can be used in mild outdoor environments but is not suitable for coastal or high-humidity areas.