Super Duplex 2507 Stainless Cable Railing
Short Description:
Super Duplex 2507 Stainless Cable Railing offers high strength, excellent corrosion resistance, and long service life for marine, coastal, architectural, and industrial railing systems. Check specifications, standards, chemical composition, mechanical properties, stock sizes, applications, packaging, and production process.
Super Duplex 2507 Stainless Cable Railing
Super Duplex 2507 Stainless Cable Railing is a high-performance stainless steel cable railing solution manufactured from UNS S32750 / EN 1.4410 Super Duplex Stainless Steel. It is specially designed for demanding marine, coastal, architectural, and industrial environments where high strength and excellent corrosion resistance are required.
Compared with conventional 304 or 316 stainless steel railing systems, Super Duplex 2507 stainless cable railing offers significantly higher tensile strength, better pitting and crevice corrosion resistance, and longer service life. It is an ideal choice for balcony railings, deck railings, staircase cable systems, bridge guardrails, and offshore platform safety barriers.
With the growing demand for premium architectural railing systems, 2507 stainless cable railing has become increasingly popular in marine engineering, luxury residential projects, commercial buildings, and corrosive industrial facilities.
Product Features of Super Duplex 2507 Stainless Cable Railing
- Excellent resistance to pitting and crevice corrosion
- Outstanding performance in marine and coastal environments
- Much higher strength than 304 and 316 stainless steel
- Good resistance to stress corrosion cracking
- Long service life with low maintenance requirements
- Modern appearance for high-end architectural railing systems
- Suitable for indoor and outdoor cable railing applications
Product Specifications
Super Duplex 2507 Stainless Cable Railing can be supplied in a variety of constructions and diameters according to customer requirements. The most common constructions for railing systems are 1×19, 7×7, and 7×19.
| Construction | Diameter | Approx. Application | Surface | Standard | Material Grade |
|---|---|---|---|---|---|
| 1×19 | 3.0 mm | Architectural cable railing | Bright | EN 12385 | Super Duplex 2507 |
| 1×19 | 4.0 mm | Balcony railing | Bright | EN 12385 | Super Duplex 2507 |
| 1×19 | 5.0 mm | Deck and staircase railing | Bright | EN 12385 | Super Duplex 2507 |
| 1×19 | 6.0 mm | Heavy-duty guardrail | Bright | EN 12385 | Super Duplex 2507 |
| 7×7 | 3.0 mm | Flexible infill cable | Bright | EN 12385 | Super Duplex 2507 |
| 7×7 | 4.0 mm | Decorative and guardrail cable | Bright | EN 12385 | Super Duplex 2507 |
| 7×19 | 4.0 mm | Flexible marine railing | Bright | EN 12385 | Super Duplex 2507 |
| 7×19 | 5.0 mm | High-flexibility cable systems | Bright | EN 12385 | Super Duplex 2507 |
Technical Parameters
| Product Name | Super Duplex 2507 Stainless Cable Railing |
|---|---|
| Material | Super Duplex Stainless Steel 2507 |
| UNS | S32750 |
| EN / DIN No. | 1.4410 |
| Common Constructions | 1×19, 7×7, 7×19 |
| Diameter Range | 2.0 mm – 12.0 mm |
| Surface Finish | Bright, polished |
| Standard | EN 12385, ASTM material standards |
| Feature | High strength, corrosion resistant, marine grade |
| Application | Railing, balustrade, deck, staircase, bridge |
| Packing | Wooden reel, wooden case, waterproof woven bag |
| Quality System | ISO 9001 |
Standards, Equivalent Grades and International Names
The finished cable railing product may follow EN 12385 for cable construction requirements, while the raw material is usually produced according to relevant stainless steel material standards.
Relevant Standards
- EN 12385 – Steel wire ropes safety and technical requirements
- ASTM A276 – Stainless steel bars and shapes
- ASTM A479 / A479M – Stainless steel bars and shapes for general use
- ASTM A240 – Stainless steel plate, sheet, and strip
- EN 10088 – Stainless steels
- ISO 9001 – Quality management system
Equivalent Grade
| Grade | UNS | EN / DIN | Common Name |
|---|---|---|---|
| Super Duplex 2507 | S32750 | 1.4410 | Super Duplex Stainless Steel 2507 |
Common Names in Different Markets
| Country / Region | Common Name |
|---|---|
| USA | Super Duplex 2507 Stainless Cable Railing |
| Europe | 1.4410 Stainless Steel Cable Railing |
| Germany | Werkstoff 1.4410 Seilgeländer Edelstahl |
| UK | 2507 Stainless Steel Wire Rope Railing |
| Japan | SUS 2507 Equivalent Stainless Cable Railing |
| China | 2507 Super Duplex Stainless Cable Railing |
Chemical Composition of Super Duplex 2507
| Element | Content (%) |
|---|---|
| C | ≤ 0.03 |
| Si | ≤ 0.80 |
| Mn | ≤ 1.20 |
| P | ≤ 0.035 |
| S | ≤ 0.020 |
| Cr | 24.0 – 26.0 |
| Ni | 6.0 – 8.0 |
| Mo | 3.0 – 5.0 |
| N | 0.24 – 0.32 |
| Cu | ≤ 0.50 |
Mechanical Properties of Super Duplex 2507
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 800 MPa |
| Yield Strength (0.2%) | ≥ 550 MPa |
| Elongation | ≥ 15% |
| Hardness | ≤ 310 HB |
| Density | 7.8 g/cm³ |
| PREN | > 40 |
Regular Stock Size List
We can supply Super Duplex 2507 Stainless Cable Railing in standard stock sizes and customized cut lengths according to project requirements.
| Construction | Diameter | Recommended Use | Supply Form | Stock Status |
|---|---|---|---|---|
| 1×19 | 3.0 mm | Indoor railing / decorative infill | Coil / cut length | Regular |
| 1×19 | 4.0 mm | Balcony cable railing | Coil / cut length | Regular |
| 1×19 | 5.0 mm | Staircase / terrace railing | Coil / cut length | Regular |
| 1×19 | 6.0 mm | Heavy-duty guardrail | Coil / reel | Regular |
| 7×7 | 3.0 mm | Flexible infill cable | Coil / cut length | Regular |
| 7×7 | 4.0 mm | Light railing systems | Coil / cut length | Regular |
| 7×19 | 4.0 mm | Marine railing systems | Coil / reel | Upon request |
| 7×19 | 5.0 mm | High-flexibility applications | Coil / reel | Upon request |
Applications of Super Duplex 2507 Stainless Cable Railing
Super Duplex 2507 Stainless Cable Railing is widely used in environments where excellent corrosion resistance, high strength, and long service life are required.
Marine and Coastal Architecture
Suitable for seaside villas, ports, marinas, cruise terminals, and offshore structures. It performs much better than ordinary stainless steel in chloride-rich environments.
Commercial Buildings
Widely used in shopping malls, hotels, office buildings, rooftop guardrails, and modern staircase systems where both appearance and safety are important.
Luxury Residential Projects
Ideal for premium villas, duplex houses, balconies, terraces, swimming pool areas, and garden decks that require an open view and elegant design.
Bridges and Public Infrastructure
Used in pedestrian bridges, elevated walkways, observation platforms, and public guardrail systems exposed to long-term outdoor weathering.
Industrial Platforms
Recommended for desalination plants, chemical facilities, offshore oil and gas platforms, and coastal power projects with severe corrosion conditions.
Product Packaging
To ensure transportation safety and surface protection, Super Duplex 2507 Stainless Cable Railing is packed with export-standard materials.
Common Packaging Methods
- Wooden case packing for strong protection during long-distance shipment
- Waterproof snake skin bag packing for coil-packed cable products
- Wooden reel packing for long cable lengths
- Plastic film wrapping for moisture and dust protection
- Customized export packing according to customer requirements
Standard Packing Description:
- Each coil wrapped with waterproof film
- Outside packed with waterproof woven bag
- Wooden reel or fumigation wooden case available
- Product label attached with grade, size, heat number, and quantity
- Sea-worthy export packing accepted
Production Process Flow Chart
Raw Material Selection
↓
Super Duplex 2507 Wire Rod Inspection
↓
Wire Drawing
↓
Solution Annealing / Heat Treatment
↓
Pickling and Surface Cleaning
↓
Stranding / Rope Closing
↓
Diameter and Construction Inspection
↓
Tensile Testing
↓
Surface Quality Inspection
↓
Cutting / Coiling / Reeling
↓
Marking and Labeling
↓
Final Inspection
↓
Packing and Shipment
Production Process Description
| Process Step | Description |
|---|---|
| Raw Material Selection | Choose qualified Super Duplex 2507 stainless steel wire rod |
| Wire Rod Inspection | Inspect chemical composition, surface, diameter, and defects |
| Wire Drawing | Draw wire to required diameter tolerance |
| Heat Treatment | Improve structure and mechanical performance |
| Pickling and Cleaning | Remove oxide scale and ensure bright clean surface |
| Stranding / Rope Closing | Produce 1×19, 7×7, and 7×19 constructions |
| Dimensional Inspection | Check cable diameter, pitch, and structure accuracy |
| Tensile Testing | Verify load-bearing and strength performance |
| Surface Inspection | Ensure no burr, crack, rust, or contamination |
| Cutting / Coiling | Prepare according to customer-required length |
| Final Inspection | Verify standard compliance before shipment |
| Packing | Apply export-safe packaging and shipping marks |
Why Choose Super Duplex 2507 Stainless Cable Railing?
Compared with ordinary stainless steel cable railing systems, Super Duplex 2507 Stainless Cable Railing offers a more reliable solution for severe service conditions. It is especially suitable for customers who require longer service life, better corrosion resistance, stronger mechanical properties, and lower maintenance costs.
- Premium grade stainless cable railing material
- Ideal for marine and chloride environments
- High strength with modern architectural appearance
- Stable quality under ISO 9001 quality management system
- Custom sizes, lengths, and packing available
FAQ
What is Super Duplex 2507 Stainless Cable Railing?
It is a high-strength, corrosion-resistant cable railing product made from UNS S32750 / EN 1.4410 super duplex stainless steel, widely used in marine, coastal, and high-end architectural projects.
Is Super Duplex 2507 better than 316 for cable railing?
Yes. Super Duplex 2507 provides much better pitting resistance, crevice corrosion resistance, and higher strength than 316 stainless steel, especially in chloride-rich or marine environments.
What are the common constructions for cable railing?
The most common constructions are 1×19, 7×7, and 7×19. Among them, 1×19 is especially popular for straight railing runs due to its low stretch and clean appearance.
What standard is used for stainless cable railing?
EN 12385 is commonly referenced for wire rope construction requirements, while the raw material may comply with ASTM or EN stainless steel material standards. Production is typically controlled under ISO 9001 quality management systems.
Where is Super Duplex 2507 cable railing used?
It is widely used in balconies, decks, staircases, bridges, public infrastructure, coastal buildings, offshore platforms, and industrial facilities.
