316 stainless steel wire rope is manufactured from high-quality austenitic stainless steel containing chromium, nickel, and molybdenum. Compared with standard 304 stainless steel, the addition of molybdenum significantly enhances corrosion resistance, especially in chloride-rich and harsh environments.
This type of wire rope is widely recognized as a marine-grade stainless steel cable, making it ideal for applications requiring superior durability, strength, and long-term resistance to rust and chemical exposure.
2. Specifications
- Diameter Range: 0.03 mm – 36 mm
- Construction Types:
1×7, 1×19, 6×7, 7×7, 7×19, 7×37, 6W19, 6×19+IWRC - Most Popular Structures:
1×7, 1×19, 7×7, 7×19 - Core Type:
FC (Fiber Core), IWRC (Independent Wire Rope Core)
3. Chemical Composition
| Element | Content (%) |
|---|---|
| C | ≤ 0.08 |
| Si | ≤ 1.00 |
| Mn | ≤ 2.00 |
| P | ≤ 0.035 |
| S | ≤ 0.03 |
| Cr | 16.0 – 18.5 |
| Ni | 10.0 – 14.0 |
| Mo | 2.0 – 3.0 |
4. Mechanical & Physical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 620 MPa |
| Yield Strength | ≥ 310 MPa |
| Elongation | ≥ 30% |
| Reduction of Area | ≥ 40% |
| Density | 8.03 g/cm³ |
| Hardness | ≤ HB187 / HRB90 / HV200 |
| Melting Point | 1398 – 1420℃ |
5. Key Features
- Excellent Corrosion Resistance
Enhanced by molybdenum, ideal for saltwater and chemical environments - High Strength & Durability
Suitable for heavy-duty industrial and structural applications - Superior Fatigue Resistance
Performs well under repeated load and dynamic conditions - Good Heat Resistance
Maintains mechanical properties under elevated temperatures - Long Service Life
Reduced maintenance cost and replacement frequency
6. Why 316 Stainless Steel Has Better Corrosion Resistance
Compared with 304 stainless steel:
- Higher nickel content (+2–4%) improves resistance to oxidation
- Addition of molybdenum (Mo) significantly enhances resistance to:
- Chloride corrosion
- Pitting corrosion
- Seawater exposure
- Cleaner steel structure ensures stable chemical performance
7. Applications
316 stainless steel wire rope is widely used in:
- Marine and offshore engineering
- Coastal construction projects
- Chemical and processing industries
- Shipbuilding and port handling
- Power plants and nuclear facilities
- Food processing equipment
- Lifting, rigging, and hoisting systems
- Architectural cable systems and balustrades
8. Standards
- GB: GB/T
- ASTM / AISI (USA)
- JIS (Japan)
9. Customization Options
We support customized production based on your requirements:
- Diameter and length
- Construction type
- Surface treatment (bright, coated, PVC)
- Packaging and spool type
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