Sus 304 pl 16 x 300 yoshu describes a precision stainless steel sheet product that combines 304 grade corrosion resistance with a 16 mm thickness and a 300 mm width, tailored for demanding architectural and industrial roles. This specification highlights a balance of formability, weldability, and mechanical strength, making it a practical choice for equipment panels, cladding, and structural supports.
The alloy designation sus 304 pl 16 x 300 yoshu reflects a standardized product code used in procurement and engineering drawings to ensure consistent quality, traceability, and compliance with international benchmarks. Understanding each element of this designation helps engineers and buyers align material choices with performance requirements and budget targets.
| Code | Material Grade | Thickness (mm) | Width (mm) | Typical Use |
|---|---|---|---|---|
| SUS 304 PL 16 x 300 | AISI 304 (18-8) | 16 | 300 | Heavy-duty panels, structural cladding |
| JIS SUS 304 | Japanese Industrial Standard 304 | 16 | 300 | Architectural sheeting, machinery guards |
| EN 1.4301 | European grade for 304 stainless | 16 | 300 | Food processing, chemical tanks |
| ASTM A240 304 | American standard for flat-rolled stainless | 16 | 300 | Pressure vessels, industrial frames |
Mechanical Properties And Forming Behavior
Tensile Strength And Yield Resistance
Sus 304 pl 16 x 300 yoshu typically exhibits a minimum tensile strength around 515 MPa and a yield strength near 205 MPa for the 16 mm thickness. These values support heavy loads while retaining enough ductility for moderate forming without edge cracking. The balanced composition of chromium and nickel enhances toughness at low temperatures, reducing the risk of brittle fracture in outdoor installations.
Bending And Fabrication Characteristics
With a thickness of 16 mm, bending requires careful tooling and adequate press capacity to achieve clean radii without surface marking. Recommended bend radii are generally in the range of three to four times the material thickness to preserve corrosion resistance near the bend zone. Proper tooling design minimizes work hardening, helping maintain formability across repeated fabrication cycles.
Corrosion Resistance In Different Environments
Aqueous And Chemical Exposure
In mildly aggressive aqueous environments, sus 304 pl 16 x 300 yoshu shows strong resistance to rust and pitting, provided the material is correctly passivated. Chloride-rich settings, such as coastal sites or de-icing applications, may require additional cleaning protocols or protective coatings to avoid surface staining. Regular inspections and maintenance routines help extend service life in high-chloride conditions.
Industrial Atmospheres And Cleaning Practices
In industrial atmospheres with sulfides or organic acids, the chromium oxide layer may require periodic cleaning to retain aesthetic and protective performance. Using non-metallic tools and approved cleaning agents reduces the risk of iron contamination and localized corrosion. Documented maintenance schedules support consistent performance and compliance with design specifications.
Manufacturing Standards And Quality Controls
JIS, ASTM, And EN Compliance
Manufacturers producing sus 304 pl 16 x 300 yoshu often reference JIS G 4304, ASTM A240, and EN 10088 standards to ensure consistent metallurgical quality. Tolerance control on thickness and width supports accurate fitting in structural assemblies and reduces on-site adjustments. Surface finishing options, such as 2B or BA, influence appearance, friction characteristics, and ease of cleaning.
Testing Procedures And Traceability
Mechanical testing, including tensile and bend tests, verifies that each batch meets the required strength and ductility targets. Chemical analysis confirms the nickel and chromium ranges that define 304 stainless performance. Traceability documentation links material certificates to coil or batch numbers, simplifying audits and quality assurance processes.
Design Applications And Installation Considerations
Architectural Cladding And Equipment Panels
Thanks to its 16 mm thickness, sus 304 pl 16 x 300 yoshu is well suited for architectural cladding panels that must resist impact and weathering while carrying structural loads. In equipment enclosures, the sheet provides rigidity and corrosion protection, helping critical components operate reliably over long service intervals. Designers should account for thermal expansion and specify appropriate fixings to accommodate movement without inducing stress concentrations.
Welding And Joining Methods
For structural assemblies, careful control of heat input during welding minimizes discoloration and preserves corrosion resistance near the joints. Using compatible filler materials and appropriate post-weld cleaning helps maintain the integrity of the oxide layer. Proper joint design also accommodates the 300 mm width, reducing the number of seams and potential leak paths in sealed enclosures.
Key Takeaways And Recommended Practices
- Verify material specifications against project requirements to ensure the 16 mm thickness and 300 mm width meet load and fit criteria.
- Confirm compliance with recognized standards such as JIS, ASTM, or EN to guarantee consistent mechanical and corrosion performance.
- Plan fabrication sequences to minimize rework, including controlled welding and bend practices that protect the surface finish.
- Implement scheduled inspections and cleaning routines, especially in aggressive environments, to sustain long-term durability and appearance.
FAQ
Reader questions
What does sus 304 pl 16 x 300 yoshu specify in terms of material and dimensions?
The code specifies a stainless steel sheet with 304 grade alloy, a thickness of 16 mm, and a width of 300 mm, designed for applications requiring medium-to-high strength and corrosion resistance.
What are the typical mechanical properties for this 16 mm thick sheet in the 304 condition?
Typical properties include a tensile strength around 515 MPa, yield strength near 205 MPa, and elongation values that support bending and forming without risk of brittle failure at service temperatures.
Can sus 304 pl 16 x 300 yoshu be used in coastal installations without additional protection?
It performs well in coastal settings if regular cleaning protocols are followed to manage chloride exposure; otherwise, additional coatings or more alloy-dense grades may be considered for extended longevity.
What fabrication practices are recommended to preserve corrosion resistance during bending and welding?
Using controlled heat input, proper tooling with adequate bend radii, compatible filler materials, and thorough post-fabrication cleaning helps preserve the passive layer and minimize the risk of corrosion.