Super Duplex Steel Uns S32304 Coil11
Super Duplex Steel Uns S32304 Coil
12/02/2022
Duplex Steel UNS s31803 Coils1
Duplex Steel UNS s31803 Coils
12/02/2022

Instruction of Super Duplex Steel Uns S32750 Coil Colds

Duplex 2507 (UNS S32750) is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. The high chromium, molybdenum, and nitrogen levels provide excellent resistance to pitting, crevice, and general corrosion.

Super Duplex Steel Uns S32750 Coil Colds7
Super Duplex Steel Uns S32750 Coil Colds
Super Duplex Steel Uns S32750 Coil Colds8
Super Duplex Steel Uns S32750 Coil Colds
Super Duplex Steel Uns S32750 Coil Colds9
Super Duplex Steel Uns S32750 Coil Colds
Super Duplex Steel Uns S32750 Coil Colds10
Super Duplex Steel Uns S32750 Coil Colds

Features of Super Duplex Steel Uns S32750 Coil Colds

1. Super Duplex Steel Uns S32750 Coil General Corossion:

  • high chromium and molybdenum content of 2507 makes it extremely resistant to uniform corrosion by organic acids like formic and acetic acid.
  • provides excellent resistance to inorganic acids, especially those containing chlorides.
  •  can be used in dilute hydrochloric acid.
  • Pitting need not be a risk in the zone below the borderline in this figure, but crevices must be avoided.

ensitivity. This allows it to maintain its strength properties, stress corrosion cracking resistance and fracture toughness levels.

2.Super Duplex Steel Uns S32750 Coil Intergranural Corossion:

  • Low carbon content greatly lowers the risk of carbide precipitation at the grain boundaries during heat treatment.
  • Is highly resistant to carbide-related intergranular corrosion.

3. Super Duplex Steel Uns S32750 Coil Stress Corossion Cracking:

  • Duplex structure of 2507 provides excellent resistance to chloride stress corrosion cracking (SCC).
  • Superior to 2205 in corrosion resistance and strength.
  • 2507 is especially useful in offshore oil and gas applications and in wells with either naturally high brine levels or where brine has been injected to enhance recovery.

4. Super Duplex Steel Uns S32750 Coil Pitting Corossion:-

  • Different testing methods can be used to establish the pitting resistance of steels in chloride-containing solutions.

5. Super Duplex Steel Uns S32750 Coil Crevice Corossion:-

  • Highly resistant to crevice corrosion.

Marking and packaging of Super Duplex Steel Uns S32750 Coil Colds

The packaging of our products (eg. weathered corrugated steel, weathering corrugated steel,corten steel columnl,hot rolled stainless steel plate) ensures that they will not be damaged during transport. For export purposes, the usual export packaging is done in wooden crates or crates. All hr sheet metal, plates and coils are marked with a logo (company mark), grade, size and batch number. On request, we can customise the marking on the product,such as spcc cold rolled steel.

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The Applications of Super Duplex Steel Uns S32750 Coil Colds

  • Oil and gas industry equipment
  • Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems
  • Chemical process industries, heat exchangers, vessels, and piping
  • Desalination plants, high pressure RO-plant and seawater piping
  • Mechanical and structural components, high strength, corrosion-resistant parts
  • Power industry FGD systems, utility and industrial scrubber systems, absorber towers, ducting, and piping

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