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Machinable Stainless Steel Rod | Precision Engineering
Machinable Stainless Steel Rod | Precision Engineering
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Machinable Stainless Steel Rod | Precision Engineering
Product Specifications
| Parameter | Details |
|---|---|
| Material Grades | 304, 316L, 17-4 PH, 2205 Duplex, 416 (Customizable for stainless steel guide rods or stainless steel rod end bearings) |
| Diameter Range | Round Rods: 3–500mm; Threaded Rods: M6–M30; stainless steel shower rods: 16–50mm (Customizable) |
| 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) |
| Machining Tolerance | ±0.01mm (CNC Precision), ±0.05mm (Standard) |
| Certifications | ISO 9001, ASTM A276, EN 10088, NACE MR0175 (H₂S Resistance) |
Mechanical & Chemical Properties
Tensile Strength
Our stainless steel guide rods and precision-engineered rods achieve tensile strengths up to 1,200 MPa (Duplex 2205), ideal for high-stress applications like hydraulic systems and aerospace components. The 316L grade (520–860 MPa) combines corrosion resistance with machinability, making it suitable for marine environments such as stainless steel shower rods in coastal installations. Precipitation-hardened grades like 17-4 PH (700–1,000 MPa) are heat-treatable, ensuring dimensional stability in CNC-machined stainless steel rod end bearings for robotics and automation.
Bend Strength
Bend strength ranges from 60–75% of tensile strength, optimized for dynamic loads. For example, stainless steel shower rods (304 grade) exhibit bend resistance of 310–430 MPa, preventing deformation under humidity and thermal cycling. Cold-drawn 416 rods achieve 30% higher bend resistance than standard grades, ideal for automotive suspension components 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 stainless steel guide rods and medical-grade applications.
- Laser Etching: Permanent markings include material grade, batch number, and tensile class (e.g., "316L-860MPa").
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 stainless steel shower rods (25mm diameter):Weight ≈ 3.89 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 cleaning agents degrade passive layers. Use 316L (2–3% Mo) for stainless steel shower rods in coastal areas.
- Galvanic Corrosion: Contact with carbon steel accelerates oxidation. Insulate dissimilar metals using nylon spacers or dielectric coatings.
- Mechanical Damage: Scratches expose iron. Passivate surfaces with nitric acid post-machining.
- 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 Machining: CNC lathes achieve ±0.01mm tolerance for stainless steel rod end bearings and medical components.
- Customization: Tailor stainless steel guide rods, shower rods, or threaded rods to exact dimensions and finishes.
- Fast Delivery: 15–30-day lead time via DHL/FedEx global logistics.
- Sustainability: 100% recyclable alloys; lean duplex grades reduce nickel consumption by 50%.
