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High-Tensile Stainless Steel Rod | Chemical-Resistant Design
High-Tensile Stainless Steel Rod | Chemical-Resistant Design
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High-Tensile Stainless Steel Rod | Chemical-Resistant Design
Product Specifications
| Parameter | Details |
|---|---|
| Material Grades | 304, 316, 17-4 PH, 316L, 2205 Duplex, AISI 317 (Customizable for stainless steel earth rods or shower rod stainless steel) |
| Diameter Range | Round Rods: 5–2000mm; Threaded Rods: M6–M30; Earth Rods: 16–50mm (Customizable) |
| Length | 0.1–12m (Standard), Custom Lengths Available |
| Hardness (HV) | 150–350 HV (Cold-Worked Grades); 200–250 HV (Austenitic Grades) |
| Tensile Strength | 700–1000 MPa (17-4 PH); 520–860 MPa (304/316); 800–1200 MPa (Duplex 2205) |
| Surface Finish | Polished, BA (Bright Annealed), Cold Drawn, Passivated, Electroplated (Optional) |
| Welding Compatibility | TIG welding stainless steel filler rod (ER308/316L), MIG, ERW, Laser Welding |
| Certifications | ISO 9001, ASTM A276, EN 10088, DIN 976, NACE MR0175 (H₂S Resistance) |
Mechanical & Chemical Properties
Tensile Strength
Tensile strength measures a material’s resistance to breaking under tension. Our rod stainless steel products, especially the precipitation-hardened 17-4 PH grade, achieve tensile strengths up to 1,730 MPa (250,000 psi), making them ideal for aerospace, oil & gas, and structural applications. Austenitic grades like 304/316 balance strength (520–860 MPa) with exceptional ductility, ensuring crack resistance in corrosive environments such as coastal regions or chemical plants. For shower rod stainless steel, cold-drawn 316L rods provide a tensile yield strength of 690 MPa, combining elegance with durability.
Bend Strength
Bend strength reflects resistance to deformation under load. Our stainless steel earth rods exhibit bend strengths of 60–70% of their tensile strength, optimized for grounding systems in corrosive soils. Duplex 2205 rods, with dual-phase (austenitic-ferritic) microstructure, offer 30% higher bend resistance than standard grades, ideal for seismic zones or heavy machinery bases.
Identification & Marking
Stainless steel rods are labeled per international standards to ensure traceability and compliance:
- ASTM A276: Denotes hot-rolled bars (e.g., 304, 316).
- ISO 15510: Specifies chemical compositions for rod stainless steel across global standards (ASTM, EN, JIS).
- NACE MR0175: Certifies resistance to hydrogen sulfide (H₂S) for oilfield applications.
Laser etching or embossing guarantees visibility of material grade, batch number, and tensile class.
Weight Calculation
Weight (kg) = Volume (m³) × Density (7,930 kg/m³ for austenitic steel).
Example for a 10mm diameter, 1m round rod:π × (0.005m)² × 1m × 7,930 kg/m³ ≈ 0.62 kg.
For stainless steel earth rods (16mm diameter):Weight ≈ 1.58 kg/m. Custom weights vary based on alloy density and surface treatments.
Why Stainless Steel Rusts: Causes & Solutions
While stainless steel resists corrosion via a chromium oxide layer (≥10.5% Cr), specific conditions trigger rust：
- Chloride Exposure: Saltwater or de-icing salts degrade passive layers, causing pitting. Use 316/L (2–3% Mo) for marine or chemical environments.
- Galvanic Corrosion: Contact with carbon steel or copper accelerates oxidation. Insulate dissimilar metals using nylon spacers or dielectric coatings.
- Mechanical Damage: Scratches or welding defects expose iron. Passivate surfaces post-fabrication using nitric acid to restore chromium oxide layers.
- Low Oxygen Environments: Stagnant water in crevices (e.g., threaded joints) breeds crevice corrosion. Design gaps >0.5mm for oxygen flow.
Why Choose Our Stainless Steel Rods
- Certified Quality: ISO 9001 and ASTM-compliant production with traceable material batches. Third-party inspections (SGS/BV) ensure consistency.
- Customization: Tailor shower rod stainless steel, stainless steel earth rods, or structural rods to exact dimensions, finishes, and certifications (e.g., NACE).
- Fast Delivery: 15–30-day lead time with global logistics partnerships (DHL, FedEx).
- Sustainability: 100% recyclable alloys reduce environmental footprint. Our lean duplex grades cut nickel content by 50%, lowering mining impacts.
- Technical Support: Expert guidance on welding (TIG/MIG parameters), corrosion prevention, and load calculations.
