UNS S32707 Bolting Products
UNS S32707 is listed in the HYPER DUPLEX STAINLESS STEEL material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.
The reference chemistry table for UNS S32707 lists Carbon (C): 0.03% Max; Manganese (Mn): 1.50% Max; Silicon (Si): 0.50% Max; Phosphorus (P): 0.035% Max. Confirm exact limits and analysis tolerances against the governing standard and product form.
The mechanical-property table for UNS S32707 lists Tensile Strength: 920 Minimum MPa; Yield Strength: 700 Minimum MPa; Elongation: 25 Minimum %; Hardness: 34 Maximum HRC. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.
Werkstoff / EN cross-reference for UNS S32707: 1.4658. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.
View Technical Information →Standard identification and material designation information for UNS S32707.
The reference chemistry table lists Carbon (C): 0.03% Max; Manganese (Mn): 1.50% Max; Silicon (Si): 0.50% Max; Phosphorus (P): 0.035% Max. Confirm the governing standard, product analysis tolerances and product form before ordering.
| Element | Symbol | Composition |
|---|---|---|
| Carbon | C | 0.03% Max |
| Manganese | Mn | 1.50% Max |
| Silicon | Si | 0.50% Max |
| Phosphorus | P | 0.035% Max |
| Sulfur | S | 0.010% Max |
| Chromium | Cr | 26.00 – 29.00% |
| Nickel | Ni | 5.50 – 9.50% |
| Molybdenum | Mo | 4.00 – 5.00% |
| Nitrogen | N | 0.30 – 0.50% |
| Copper | Cu | 1.00% Max |
| Cobalt | Co | 0.50 – 2.00% |
| Iron | Fe | Balance |
The table reports Tensile Strength: 920 Minimum MPa; Yield Strength: 700 Minimum MPa; Elongation: 25 Minimum %; Hardness: 34 Maximum HRC as reference data for UNS S32707. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 920 Minimum | MPa |
| Yield Strength | 700 Minimum | MPa |
| Elongation | 25 Minimum | % |
| Hardness | 34 Maximum | HRC |
UNS S32707 provides exceptional corrosion resistance and high mechanical strength for severe industrial and marine environments.
High chromium, molybdenum and nitrogen levels provide excellent resistance to localized corrosion.
Provides high yield and tensile strength for demanding structural and pressure applications.
The duplex microstructure offers strong resistance to chloride-induced stress corrosion cracking.
Suitable for demanding seawater, offshore and deep-water engineering applications.
UNS S32707 is selected for applications requiring exceptional corrosion resistance and high mechanical strength in severe environments.
Deep-water equipment, subsea systems and corrosion-resistant oil and gas components.
Process equipment operating in highly corrosive acidic and chloride-containing environments.
Offshore platforms and marine systems exposed to demanding seawater environments.
Pumps, valves and components handling highly concentrated chloride and seawater streams.
Consider chloride concentration, operating temperature and chemical composition when selecting UNS S32707.
Controlled fabrication and welding procedures are required to maintain the balanced duplex microstructure and corrosion resistance.
UNS S32707 is suitable where exceptionally high strength and corrosion resistance are required simultaneously.
The commonly listed Werkstoff / EN cross-reference for UNS S32707 is 1.4658. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.
Yes. UNS S32707 provides excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking.
It is commonly used in deep-water oil and gas, chemical processing, marine engineering and seawater desalination applications.
Our engineering team can help you select suitable materials based on operating temperature, pressure and service conditions.