Baojing Steel supplies stainless steel sheets and plates for automotive, commercial vehicles, rail transportation, exhaust systems, trailers, buses and transportation equipment.
Stainless steel is widely used in transportation applications because of its combination of corrosion resistance, high-temperature performance, strength, durability, lightweight potential and excellent fabrication characteristics.
Different stainless steel grades are selected according to the operating environment, temperature, corrosion exposure, mechanical requirements and application.
| Application | Recommended Grades | Recommended Surface | Key Reason |
|---|---|---|---|
| Automotive Exhaust Systems | 409 / 409L / 439 / 441 / 444 | 2B / No.1 | High-temperature oxidation and corrosion resistance |
| Exhaust Manifolds | 409 / 441 / 444 / 310S | 2B / No.1 | Elevated-temperature performance |
| Exhaust Pipes | 409 / 409L / 439 / 441 | 2B / No.1 | Heat resistance and corrosion resistance |
| Automotive Body Components | 304 / 430 / 409 | 2B / BA | Corrosion resistance, formability and appearance |
| Automotive Trim | 304 / 316L / 430 | BA / No.4 / 8K | Surface appearance and corrosion resistance |
| Automotive Decorative Parts | 304 / 316L / 430 | BA / HL / 8K | Excellent appearance and durability |
| Fuel System Components | 304 / 316L / 430 | 2B | Corrosion resistance |
| Automotive Tanks | 304 / 316L | 2B | Corrosion resistance and durability |
| Brake Components | 304 / 410 / 420 | 2B / No.1 | Strength, wear resistance and corrosion resistance |
| Automotive Structural Components | 304 / 316L / 2205 | 2B / No.1 | Strength and durability |
| Truck & Trailer Components | 304 / 430 / 409 | 2B / No.1 | Durability and corrosion resistance |
| Bus Components | 304 / 430 / 316L | 2B / No.4 | Corrosion resistance and appearance |
| Railway Carriages | 304 / 316L / 301 | 2B / No.4 / HL | Strength, corrosion resistance and durability |
| Railway Structural Components | 304 / 301 / 316L / 2205 | 2B / No.1 | Strength and long-term performance |
| Railway Interior Panels | 304 / 430 / 316L | No.4 / HL / BA | Appearance, hygiene and easy maintenance |
| Railway Exterior Panels | 304 / 316L / 2205 | HL / No.4 | Weather and corrosion resistance |
| Transportation Equipment | 304 / 316L / 430 | 2B / No.4 | General corrosion resistance and durability |
| Marine Transportation | 316L / 2205 / 2507 | No.4 / HL | Chloride and marine corrosion resistance |
409 / 409L / 439 / 441 / 444
2B / No.1
Automotive exhaust systems operate under high temperatures, thermal cycling, exhaust gases and corrosive condensates, making heat and oxidation resistance important.
409 / 409L are widely used for automotive exhaust components due to their combination of heat resistance, corrosion resistance and cost efficiency.
439 / 441 can be selected where improved corrosion and oxidation resistance is required.
444 offers enhanced corrosion resistance for more demanding applications.
Exhaust Pipes · Mufflers · Catalytic Converter Components · Exhaust Tubes · Heat Shields
409 / 441 / 444 / 310S
2B / No.1
For normal automotive exhaust temperatures, 409 / 441 are commonly considered.
For more demanding high-temperature environments, selected 310S applications may be considered where higher temperature oxidation resistance is required.
High-Temperature Resistance · Oxidation Resistance · Thermal Cycling Resistance · Corrosion Resistance
304 / 430 / 409
2B / BA
304 provides excellent corrosion resistance and forming performance.
430 provides a more economical ferritic stainless steel option for selected automotive components.
409 is primarily selected where elevated-temperature resistance is required.
Body Components · Structural Panels · Reinforcement Components · Underbody Parts
304 / 316L / 430
BA / No.4 / HL / 8K
304 provides an excellent combination of appearance and corrosion resistance.
316L is recommended for premium applications or aggressive environments.
430 offers good appearance and cost efficiency for selected interior and exterior decorative parts.
Decorative Trim · Door Trim · Grilles · Interior Panels · Decorative Strips
304 / 316L / 430
2B
Material selection depends on the fuel, operating environment and specific component requirements.
304 / 304L are suitable for many general applications.
316L may be selected where enhanced corrosion resistance is required.
304 / 316L
2B
Fuel Tanks · Fluid Tanks · Storage Containers · Processing Containers
304 is suitable for general applications requiring corrosion resistance and durability.
316L is preferred where the stored or transported medium is more corrosive.
304 / 410 / 420
2B / No.1
For applications requiring higher hardness and wear resistance, 410 / 420 martensitic stainless steel can be considered.
304 is suitable for components where corrosion resistance and fabrication performance are more important.
Brake Components · Shafts · Fasteners · Mechanical Parts · Wear-Resistant Components
304 / 316L / 2205
2B / No.1
304 is suitable for general structural applications.
316L provides enhanced corrosion resistance.
2205 Duplex offers significantly higher mechanical strength combined with excellent corrosion resistance, making it suitable for demanding structural applications.
304 / 430 / 409
2B / No.1
Stainless steel is used in trucks and trailers where long-term durability and resistance to moisture, road salt and environmental exposure are required.
Truck Components · Trailer Panels · Tanker Components · Protective Panels · Structural Parts
For road-salt or chloride exposure, 304 is generally preferred over 430.
304 / 316L / 430
2B / No.4
304 is suitable for general bus structures and interior applications.
316L is preferred for demanding outdoor or corrosive environments.
430 can be used for selected interior decorative components where cost efficiency is important.
Interior Panels · Handrails · Door Components · Exterior Panels · Decorative Parts
304 / 301 / 316L
2B / No.4 / HL
301 can be considered for applications requiring higher strength and good forming performance.
304 provides excellent general corrosion resistance.
316L is suitable for more demanding outdoor or coastal environments.
Railway Car Bodies · Interior Panels · Door Components · Handrails · Structural Parts
304 / 316L / 2205
HL / No.4
Railway exterior components are exposed to:
Rain · Humidity · Road Dust · Salt · Temperature Changes · Outdoor Atmospheric Corrosion
304 is suitable for general environments.
316L is preferred for coastal or chloride-rich environments.
2205 can be considered where higher strength and corrosion resistance are required.
304 / 430 / 316L
No.4 / HL / BA
Stainless steel is particularly suitable for railway interiors because of its:
Durability
Easy cleaning
Corrosion resistance
Attractive appearance
Hygienic surface
Interior Wall Panels · Ceiling Panels · Door Panels · Handrails · Seat Components · Decorative Panels
301 / 304 / 316L / 2205
2B / No.1
For higher-strength requirements, 301 and 2205 may be considered depending on the engineering design.
304 / 316L provide excellent corrosion resistance and long-term durability.
304 / 316L / 430
2B / No.4
Suitable for:
Transportation Containers · Equipment Enclosures · Storage Units · Protective Panels · Structural Components
316L / 2205 / 2507
No.4 / HL
Marine transportation exposes materials to high levels of chlorides, salt spray and humidity.
316L is the standard choice for many marine-related components.
2205 Duplex provides higher strength and excellent chloride corrosion resistance.
2507 Super Duplex is suitable for particularly aggressive marine environments and demanding applications.
| Application / Environment | Recommended Grade |
|---|---|
| General Automotive Applications | 304 / 430 |
| Automotive Exhaust | 409 / 409L / 439 / 441 |
| Exhaust High-Temperature Components | 409 / 441 / 444 |
| High-Temperature Industrial Exhaust | 310S |
| Automotive Decorative Parts | 304 / 430 / 316L |
| Automotive Fuel Components | 304 / 316L |
| Automotive Tanks | 304 / 316L |
| Mechanical / Wear Components | 410 / 420 |
| Truck & Trailer | 304 / 430 / 409 |
| Bus Manufacturing | 304 / 316L / 430 |
| Railway Carriage | 301 / 304 / 316L |
| Railway Interior | 304 / 430 |
| Railway Exterior | 304 / 316L |
| High-Strength Transportation Components | 301 / 2205 |
| Marine Transportation | 316L / 2205 / 2507 |
| Coastal Transportation | 316L / 2205 |
| Application | Recommended Surface |
|---|---|
| Automotive Exhaust | 2B / No.1 |
| Exhaust Components | 2B / No.1 |
| Automotive Body Components | 2B / BA |
| Automotive Trim | BA / HL / 8K |
| Fuel Components | 2B |
| Automotive Tanks | 2B |
| Truck Components | 2B / No.1 |
| Bus Interior | No.4 / HL / BA |
| Railway Exterior | HL / No.4 |
| Railway Interior | No.4 / HL / BA |
| Structural Components | 2B / No.1 |
| Marine Transportation | No.4 / HL |
Suitable for exposure to rain, humidity, road salt, exhaust gases and marine environments.
Ferritic and heat-resistant grades such as 409, 441, 444 and 310S are suitable for selected high-temperature applications.
301 and duplex 2205 provide higher strength for selected structural and transportation applications.
Stainless steel offers excellent durability under demanding transportation conditions.
BA, No.4, HL and 8K finishes provide options for visible automotive and transportation components.
Smooth stainless steel surfaces are easy to clean and maintain, making them suitable for railway interiors, buses, public transportation and commercial vehicles.
Best suited for:
Automotive Components · Bus Components · Railway Interiors · Tanks · General Transportation Equipment
Recommended for:
Coastal Transportation · Marine Applications · Road Salt Exposure · High-Humidity Environments
A cost-effective ferritic grade widely associated with:
Exhaust Pipes · Mufflers · Exhaust Components
Suitable for:
Automotive Trim · Interior Components · Transportation Equipment
Suitable for selected:
Railway Components · Structural Components · Spring-Type Applications
Suitable for:
Mechanical Parts · Shafts · Brake Components · Wear-Resistant Components
Recommended for demanding:
Transportation Structures · Marine Equipment · Coastal Applications
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