439 Stainless Steel Sheet
What is 439 Stainless Steel Sheet?
Type 439 stainless steel sheet is a low carbon, titanium-stabilized ferritic stainless steel that boasts an admirable blend of ductility, toughness, and resistance to sensitization. This grade is recognized for its solid corrosion resistance in mildly corrosive environments, attributed to its approximately 17% to 18% chromium content. Additionally, it provides notable oxidation resistance at higher temperatures, making it more ductile and versatile in fabrication than grade 430.
439 stainless steel is distinguished by its ability to undergo a variety of roll forming and bending operations without undergoing excessive hardening, thanks to its ferritic nature, which also renders it immune to chloride stress corrosion cracking. With corrosion resistance on par with austenitic stainless steels like 304/304L, 439 offers an advantageous combination of properties. Its titanium stabilization not only enhances weldability but also significantly boosts its defense against stress corrosion cracking.
Outperforming Type 409 in terms of oxidation and corrosion resistance. Its suitability for use in the annealed, cold-formed, or as-welded condition extends its applicability across a range of scenarios where traditional stainless steels.
Features of 439 Stainless Steel Sheet
The 439 stainless steel sheet, known in the industry as 439 SS, is acclaimed for its robust protection against corrosive environments, including fresh water and boiling acids, even at elevated temperatures. This grade stands out for its resilience in oxidizing conditions and resistance to stress corrosion cracking, making it a versatile choice for diverse applications. A key feature of 439 SS is its titanium stabilization, which not only enhances its weldability but also allows for work hardening to augment its tensile strength, contributing to its overall durability and utility.
Despite its many advantages, it's important to note that 439 stainless steel is not amenable to heat treatment, which means it cannot be hardened by such processes. However, this does not detract from its significant attributes, including excellent machinability and weldability. These characteristics ensure that 439 SS remains a preferred material for scenarios requiring a combination of corrosion resistance, mechanical strength, and ease of fabrication.
439 Stainless Steel Chemical Composition & Technical Data Sheet
439 Stainless Steel Standards Comparison
| STS | USA | UNS | CHINA | EURONORM | RUSSIA | SWEDISH | JAPANESE | |
| GRADE | AISI/ASTM | NO | GB | NO | NAME | GOST | SS | JIS |
| 439 | 439 | S43035 | 0Cr17Ti | 1.4510 | X3CrTi17 | 03Х17Т | 2322 | SUS 439 |
439 Stainless Steel Chemical Composition
| Grade | Standard | Chemical Composition(%) | |||||||
| C | Si | Mn | P | S | Cr | Ni | Ti | ||
| 439 | ASTM A240 | ≤0.03 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.003 | 17.00~19.00 | ≤0.50 | 0.30~0.50 |
439 Stainless Steel Mechanical Properties
| Grade | Tensile Test | Hardness Test | |||
| 0.2% Y.S(Mpa) | T.S(Mpa) | Elongation(%) | Hardness | HV | |
| 439 | ≥230 | ≥415 | ≥20 | Annealed | 180 |
439 Stainless Steel Finish & Application
The 439 stainless steel sheet, commonly referred to as 439 SS, is highly sought after for its unique combination of finish options and robust applications, especially within the automotive industry. Renowned for its suitability in exhaust system applications, 439 SS is the material of choice for components such as tubular manifolds, where its superior oxidation resistance is crucial at temperatures that might challenge the capabilities of Type 409 stainless steel.
In addition to its high temperature resilience, 439 stainless steel is particularly valued for its enhanced wet corrosion resistance, especially against chlorides, making it a preferred option for environments where such conditions are prevalent. This blend of features ensures that 439 SS is not only versatile in its use across various automotive applications but also in other industries where both durability and resistance to harsh conditions are essential. The adaptability and performance of 439 stainless steel sheet underscore its importance in manufacturing and construction, where it consistently provides reliable solutions for both structural and aesthetic needs.
439 Stainless Steel Sheet Package & Loading Details
At Aoxing, as a premier provider of 439 stainless steel sheets, our dedication extends to the excellence of our packaging and shipping practices, developed from years of export experience. We are well-versed in the standards required for export packaging and take additional steps to reinforce our products within the container, ensuring they withstand the rigors of transportation without damage.
Our 439 stainless steel sheets are individually wrapped in robust, water-resistant materials to guard against environmental elements. To ensure the sheets remain immobile and maintain their pristine condition during transit, we employ strategic bracing within the container. This methodical approach to packaging guarantees that your stainless steel sheets arrive in perfect condition, ready for your project needs.
WHY CHOOSE US?
We are the cold-rolled stainless steel coil production base in China with 200,000 tons capacity annually.
1. Guaranteed Stock Availability: Experiencing stock shortages during crucial times can hinder your projects. Our robust inventory management ensures a consistent supply, ready to dispatch large quantities swiftly, keeping your operations smooth and uninterrupted.
2. Comprehensive Range of Specifications: Finding the exact stainless steel coil specifications can be challenging. We offer a diverse range of specs, ensuring you find precisely what your project demands, with the assurance of our commitment to meeting your specific needs.
3. Customized Material Processing: Custom processing needs can be demanding. Our advanced facilities provide tailored solutions, from precise dimension alterations to specific finish treatments, ensuring your requirements are met with utmost precision.
4. Accurate Shearing Services: Precision is key in stainless steel utilization, and our expert shearing services guarantee exactness in every cut, aligning perfectly with your specifications and quality expectations.
5. Cost-effectiveness is crucial in supplier selection. Our optimized procurement and cost-efficient processes ensure you receive not just premium-quality products but also the best prices, offering exceptional value for your investment.
439 Stainless Steel Sheet FAQ
1. Can you provide custom 439 stainless steel?
Absolutely, we tailor 439 stainless steel sheet to your needs, ensuring your specifications for finish, thickness, width, length and physical properties are met.
2. What's the delivery time?
Quick delivery for trial orders within a week, while regular orders range from 7-30 days.
3. How do you guarantee your 439 stainless steel sheet quality?
Our 439 stainless steel sheets undergo rigorous inspections during manufacturing, cutting, and packaging to ensure the highest quality. And 439 ss mill test certificate is also provided.
4. Can I get 439 steel samples?
We can provide a 439 steel sample for you to check the quality. Sample is free and you just pay the freight.
5. What is the difference between them, 439 stainless steel vs 304?
The distinction between 439 and 304 stainless steel primarily lies in their composition, corrosion resistance, thermal endurance, and economic value. 439 stainless steel is characterized by its chromium content of 16-18% and titanium levels of 0.5-1.5%, designed to bolster its corrosion resistance thanks to the increased chromium presence. This is in contrast to 304 stainless steel, which is known for its higher chromium (18-20%) and nickel (8-10.5%) content, contributing to superior corrosion resistance and versatility across various uses.
While both materials are noted for their corrosion resistance, 439's additional chromium equips it with superior resilience in environments subject to high temperatures, making it particularly suitable for automotive exhaust systems and similar high-heat applications. On the financial front, 439 stainless steel might represent a more significant initial cost owing to its specialized properties, especially its thermal resistance, which marks it as a high-grade alternative to the ubiquitously employed 304 stainless steel.
6. What is the difference between them, 439 vs 409 stainless steel?
The distinction between 439 and 409 stainless steels centers on their composition, corrosion resistance, and performance under temperature stress. 439 stainless steel, distinguished by its chromium content of 16-18% and titanium addition of 0.5-1.5%, is tailored for superior corrosion resistance, making it highly effective for applications subjected to elevated temperatures. This grade's specialized makeup ensures it excels in conditions demanding robust durability and heat resistance, offering an optimal solution for challenging environments.
409 stainless steel, while similar in application, has a modestly lower chromium content without the benefit of titanium, leading to competent yet relatively lower corrosion and thermal resistance. Although 409 is commonly utilized in automotive exhaust systems, 439 is preferred for its enhanced corrosion resistance capabilities, particularly valuable in high-temperature settings and against oxidizing agents.
Thus, while 439 stainless steel might entail a higher initial investment due to its refined properties, including better temperature tolerance and corrosion resistance, it is the material of choice for situations requiring advanced performance features. In contrast, 409 stainless steel serves as an economical alternative for applications with milder environmental demands and where budget considerations play a pivotal role.
7. How to choose a 439 stainless steel sheet supplier?
Selecting a supplier for 439 stainless steel sheets involves a series of steps to ensure quality and reliability:
Research Suppliers: Utilize online resources to identify reputable suppliers specializing in stainless steel, focusing on those with a strong industry presence and positive reviews.
Engage with Suppliers: Contact the suppliers to discuss their 439 stainless steel sheet offerings, including specifications, pricing, and availability. Consider requesting samples for quality assessment.
Assess Credibility: Evaluate the suppliers' credibility by reviewing their business credentials, certifications, and customer feedback, ensuring they adhere to industry standards and best practices.
Compare Quotations: Solicit and compare quotes from various suppliers, clarifying your specific needs such as quantity, specifications, and delivery details to make an informed decision.
Verify Quality Assurance: Investigate the suppliers' quality control processes and request relevant test reports or certifications to confirm the coils meet your required standards.
Negotiate Terms: Discuss and negotiate key terms, including pricing, delivery, and payment conditions, ensuring they align with your requirements.
Order Placement: Finalize the purchase by confirming the order details, such as the coil specifications, quantities, and agreed terms.
Arrange Payment: Agree on a secure payment method that suits both parties, ensuring all financial terms are clear and documented.
Coordinate Shipping: Organize the logistics, including packaging, shipping, and customs clearance, to ensure the coils are delivered as expected.
Inspect Upon Arrival: Upon receiving the coils, inspect the shipment for quality and accuracy, addressing any discrepancies with the supplier immediately.
8. What is the 439 stainless steel sheet price?
The actual 439 stainless steel price will fluctuate based on exchange rates, market conditions, etc. For details, please contact us for a quote.
More information of 439 material, please kindly browse to our article: Comprehensive Insights On 439 Stainless Steel: Composition, Applications, And Advantages
