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High-Quality 436L Stainless Steel Sheet Excellent Corrosion Resistance for Automotive Exhaust Systems
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x商品の詳細
| 製品 | ステンレス鋼板 | 学年 | 436L |
|---|---|---|---|
| 厚さ | 0.5～3.0mm | 技術 | コールドロール |
| 幅 | 1219mm | 表面 | 2d |
| 標準 | ASTM GB JIS EN DIN | MOQ | 1トン |
製品の説明
High-Quality 436L Stainless Steel Sheet Excellent Corrosion Resistance for Automotive Exhaust Systems
Stainless Steel Plate Specifications
| Name | 436L stainless steel Plate |
| Our Grade |
200 Series: 201 202 300 Series: 301 304,304L,304H,309S,310S,314,316L,316Ti,316H,316LN,317L,321,329,347 400 Series: 409L,410,410S,415,416,420,430,431,436L.439,441,443,444,445,446 Super Stainless Steel: 904L,926,254SMO,654SMO,15-5PH,17-4PH,17-7PH.etc Nickel Alloy: C276, C22,G35,Alloy X,Monel 400,K500,Inconel 600,601,617,625,718,Incoloy 800,800H,800HT,825.etc |
| Technique | Hot Rolled, Cold Rolled,Forged |
| Standard | JIS, AISI, ASTM, DIN, TUV, BV, SUS, etc |
| Thickness | 0.1 – 80.0mm |
| Width range | 10mm – 2000mm |
| Length | Customized |
| Finish | 2B,2D,NO.1, BA, No.4, 8k, Brushed,Hairline,PVD Coating,Sandblasted |
| Service | Laser Cutting, Bending |
| Sample | Available |
High-Quality 436L Stainless Steel Sheet – Excellent Corrosion Resistance for Automotive Exhaust Systems
In the demanding world of automotive engineering, materials must meet stringent performance criteria—especially when it comes to exhaust systems. Exposure to high temperatures, corrosive gases, road salts, and thermal cycling requires a metal that combines durability, formability, and long-term resistance to oxidation and corrosion. 436L stainless steel sheet stands out as an ideal solution, offering a balanced blend of mechanical strength, weldability, and exceptional corrosion resistance tailored specifically for automotive exhaust applications.
Why Choose 436L Stainless Steel?
436L is a low-carbon, titanium-stabilized ferritic stainless steel belonging to the 400 series. It is an enhanced version of 434 and 430 grades, with improved deep-drawing properties and superior resistance to both high-temperature oxidation and chloride-induced corrosion. The addition of titanium (Ti) stabilizes the microstructure, preventing chromium carbide precipitation during welding or high-temperature exposure—thus maintaining corrosion resistance in critical zones.
This grade is widely specified under international standards such as JIS G 4305 (Japan), ASTM A240 (USA), and GB/T 4239 (China), ensuring global compatibility and reliability in supply chains.
Key Advantages for Automotive Exhaust Systems
- Excellent Corrosion Resistance
436L contains 16–18% chromium and trace amounts of molybdenum, which significantly enhance its ability to resist pitting and crevice corrosion—common failure modes in exhaust components exposed to road de-icing salts and acidic condensates. - High-Temperature Stability
With continuous service capability up to 700°C (1292°F), 436L maintains structural integrity in hot sections of exhaust manifolds, catalytic converters, and mufflers. - Good Formability & Deep-Drawing Performance
Optimized chemical composition reduces surface wrinkling during stamping and forming, enabling complex geometries without cracking—critical for modern, compact exhaust designs. - Magnetic Properties
As a ferritic stainless steel, 436L is magnetic—beneficial for certain sensor-based automotive systems and manufacturing handling processes. - Cost-Effective Alternative to Austenitic Grades
Compared to 304 or 316 stainless steels, 436L offers comparable performance in many exhaust applications at a lower material cost due to its nickel-free composition.
Typical Applications in Automotive Industry
- Exhaust manifolds
- Catalytic converter shells
- Mufflers and resonators
- Tailpipes and heat shields
- EGR (Exhaust Gas Recirculation) components
Its balance of performance and affordability makes 436L a preferred choice among OEMs and Tier-1 suppliers worldwide, especially in regions with harsh winter climates where road salt accelerates corrosion.
Chemical Composition (Weight %)
| Element | Content (%) | Role in Performance |
|---|---|---|
| Carbon (C) | ≤ 0.03 | Low carbon minimizes sensitization during welding |
| Chromium (Cr) | 16.0–18.0 | Forms protective oxide layer; primary corrosion resistance |
| Molybdenum (Mo) | 0.75–1.25 | Enhances pitting/crevice corrosion resistance |
| Titanium (Ti) | ≥ 4×(C+N) | Stabilizes against Cr-carbide formation; improves weldability |
| Manganese (Mn) | ≤ 1.0 | Deoxidizer; improves hot workability |
| Silicon (Si) | ≤ 1.0 | Enhances oxidation resistance at high temps |
| Phosphorus (P) | ≤ 0.04 | Controlled to avoid embrittlement |
| Sulfur (S) | ≤ 0.03 | Low sulfur improves ductility and surface finish |
| Iron (Fe) | Balance | Base metal |
Note: Exact composition may vary slightly per manufacturer and specification (e.g., JIS SUS436L vs. ASTM Type 436L).
Mechanical Properties (Typical Values, Annealed Condition)
| Property | Value Range |
|---|---|
| Tensile Strength | 450–600 MPa |
| Yield Strength (0.2% offset) | 250–400 MPa |
| Elongation | 25–30% |
| Hardness (HRB) | ≤ 85 |
| Density | ～7.7 g/cm³ |
| Thermal Conductivity | ～26 W/m·K (100°C) |
| Coefficient of Thermal Expansion | 10.4 × 10⁻⁶ /°C (20–100°C) |
These properties ensure that 436L sheets can withstand mechanical stresses during assembly and operation while maintaining dimensional stability under thermal cycling.
Available Product Forms & Surface Finishes
436L stainless steel is commonly supplied as:
- Cold-rolled annealed and pickled (2D finish) – Ideal for further processing or painting.
- Bright annealed (BA) – Smooth, reflective surface for visible components.
- 2B finish – General-purpose mill finish with good flatness and moderate reflectivity.
- Custom finishes – Including hairline, brushed, or anti-fingerprint coatings upon request.
Standard Dimensions:
- Thickness: 0.4 mm to 3.0 mm (custom gauges available)
- Width: Up to 1500 mm
- Coil or cut-to-length sheets
All products comply with strict tolerances per EN 10088-2, ASTM A480, or JIS G 4304, ensuring consistency for automated manufacturing lines.
Comparison with Common Stainless Grades
| Grade | Type | Cr (%) | Ni (%) | Mo (%) | Corrosion Resistance | Cost | Magnetic? |
|---|---|---|---|---|---|---|---|
| 430 | Ferritic | 16–18 | None | None | Moderate | $ | Yes |
| 436L | Ferritic | 16–18 | None | 0.75–1.25 | High (with Mo + Ti) | ** |
∗∗∣∗∗Yes∗∗∣∣304∣Austenitic∣18–20∣8–10.5∣None∣High∣
$ | No |
| 316 | Austenitic | 16–18 | 10–14 | 2–3 | Very High |
| 316 | Austenitic | 16–18 | 10–14 | 2–3 | Very High |
| No |
436L delivers near-304-level corrosion performance in exhaust environments—at a fraction of the cost—thanks to molybdenum and titanium stabilization.
Sustainability & Recyclability
436L stainless steel is 100% recyclable and contains up to 60–70% recycled content in modern production. Its long service life reduces replacement frequency, lowering the total environmental footprint of vehicles. Additionally, the absence of nickel reduces mining impact and price volatility.
Quality Assurance & Certifications
Reputable suppliers provide:
- Mill Test Reports (MTRs) per EN 10204 3.1
- ISO 9001:2015 certified production
- RoHS and REACH compliance
- Custom packaging to prevent surface damage during transit
Advanced testing—including salt spray (ASTM B117), intergranular corrosion (ASTM A262), and tensile validation—ensures every batch meets automotive-grade requirements.
Conclusion: The Smart Choice for Modern Exhaust Systems
As emission regulations tighten and vehicle lifespans extend, the demand for reliable, high-performance materials in exhaust systems continues to grow. 436L stainless steel sheet delivers the perfect synergy of corrosion resistance, thermal stability, formability, and cost-efficiency—making it a strategic material for next-generation automotive design.
Whether you're an OEM engineer, exhaust system manufacturer, or metal distributor, specifying 436L ensures durability, compliance, and value across global markets. Partner with certified mills that offer consistent chemistry control, precise thickness tolerance, and responsive technical support to maximize your production efficiency and product longevity.
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