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Stainless Steel Rod Solutions | Custom Lengths & Diameters
Stainless Steel Rod Solutions | Custom Lengths & Diameters
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Stainless Steel Rod Solutions | Custom Lengths & Diameters
Product Specifications
| Parameter | Details |
|---|---|
| Material Grades | 304, 316L, 309S, 347H, 17-4 PH (Customizable for tig filler rod for stainless steel or 1/4 inch stainless steel rod) |
| Diameter Range | Round Rods: 3–2000mm; Threaded Rods: M6–M30; Custom Shapes: stainless steel tig welding filler rods (1.6–6.0mm) |
| Length | 0.1–12m (Standard), Custom Lengths Available (±0.1mm Tolerance) |
| Hardness (HV) | 150–250 HV (304/316L); 300–400 HV (Precision-Machined Grades) |
| Tensile Strength | 520–860 MPa (304); 700–1,000 MPa (17-4 PH); 800–1,200 MPa (Duplex 2205) |
| Surface Finish | Polished (#4–#8 Mirror), Cold Drawn, Passivated, Electroplated (Optional) |
| Welding Compatibility | stainless steel tig welding filler rods (ER308L/316L), MIG, Laser Welding |
| Certifications | ISO 9001, ASTM A276, EN 10088, NACE MR0175 (H₂S Resistance) |
Mechanical & Chemical Properties
Tensile Strength
Our 1/4 inch stainless steel rod (6.35mm diameter) achieves tensile strengths up to 860 MPa (304 grade), ideal for applications requiring a balance of strength and corrosion resistance, such as food processing equipment and architectural frameworks. The 316L grade (520–860 MPa) incorporates 2–3% molybdenum for enhanced chloride resistance, making it suitable for marine environments like offshore platforms. For high-temperature applications like boiler components, 347H alloy (700–950 MPa) uses niobium stabilization to resist sensitization and maintain structural integrity at 600°C.
Bend Strength
Bend strength typically ranges from 60–75% of tensile strength, optimized for dynamic loads. For example, stainless steel tig welding filler rods (ER308L) exhibit bend resistance of 310–430 MPa, ensuring crack-free welds in aerospace components. Cold-drawn 17-4 PH rods achieve 30% higher bend resistance than standard grades, ideal for automotive suspension systems requiring fatigue resistance.
Identification & Marking
Stainless steel rods are labeled per international standards:
- ASTM A276: Specifies chemical compositions for grades like 304/316L.
- ISO 15510: Ensures traceability for medical and marine applications.
- Laser Etching: Permanent markings include material grade (e.g., "316L-860MPa"), 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 rod:π × (0.005m)² × 1m × 7,930 kg/m³ ≈ 0.62 kg.
For 1/4 inch stainless steel rod (6.35mm diameter):Weight ≈ 0.25 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. Use 316L with molybdenum for marine-grade tig filler rod for stainless steel applications.
- Galvanic Corrosion: Contact with carbon steel accelerates oxidation. Insulate metals using nylon spacers or dielectric coatings.
- Mechanical Damage: Scratches expose iron. Passivate surfaces with nitric acid post-machining 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 third-party SGS/BV inspections.
- Precision Customization: Tailor stainless steel tig welding filler rods, 1/4 inch rods, or threaded rods to exact dimensions (±0.1mm tolerance).
- Fast Delivery: 15–30-day lead time via DHL/FedEx global logistics.
- Sustainability: 100% recyclable alloys; lean duplex grades reduce nickel consumption by 50%.
- Technical Support: Expert guidance on welding parameters (e.g., ER316L preheat: 150–200°C) and corrosion prevention.
