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Hunan Dinghan New Material Technology Co., LTD

  • China,Changsha ,Hunan
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China Monel 400 Forged Flange with Excellent Seawater Corrosion Resistance for Marine
China Monel 400 Forged Flange with Excellent Seawater Corrosion Resistance for Marine

  1. China Monel 400 Forged Flange with Excellent Seawater Corrosion Resistance for Marine

Monel 400 Forged Flange with Excellent Seawater Corrosion Resistance for Marine

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Grade Monel 400
Payment Terms T/T
UNS UNS N04400
thermal conductivity 21.8 W/(m·K)
Supply Ability Negotiable
elastic modulus 179 GPa
Density 8.80 g/cm³
Delivery Time (Sample Order) 7 days
Melting Range 1300–1350℃
Specific Heat 427 J/(kg·℃)
Packaging Details According to Customers' Requests
Product Name Nickel-Copper Alloy Forged Flange
Model Number Monel 400
Certification ISO 9001:2015, ASTM B564 , ASME B16.5/ASME B16.47
Place of Origin China
Brand Name DINGSCO

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  1. Product Details
  2. Company Details

Product Specification

Grade Monel 400 Payment Terms T/T
UNS UNS N04400 thermal conductivity 21.8 W/(m·K)
Supply Ability Negotiable elastic modulus 179 GPa
Density 8.80 g/cm³ Delivery Time (Sample Order) 7 days
Melting Range 1300–1350℃ Specific Heat 427 J/(kg·℃)
Packaging Details According to Customers' Requests Product Name Nickel-Copper Alloy Forged Flange
Model Number Monel 400 Certification ISO 9001:2015, ASTM B564 , ASME B16.5/ASME B16.47
Place of Origin China Brand Name DINGSCO

Monel 400 Forged Flange Conforming to ASME B16.5 / ASME B16.47 Standards


Monel 400 forged flange is a high-performance nickel-copper alloy flange component with excellent corrosion resistance, particularly in seawater and chloride environments. It provides stable mechanical properties and reliable sealing performance under demanding service conditions.


Key Features

  • Excellent seawater corrosion resistance.
  • Good resistance to chloride stress corrosion cracking (SCC) .
  • Resistance to alkaline and salt solutions.
  • Excellent cryogenic toughness.
  • Non-magnetic structure.
  • Dense forged microstructure with high pressure capability.
  • Suitable for high-pressure sealing systems.


Common Types 


Weld Neck Flanges (WN), Slip-On Flanges (SO), Blind Flanges (BL), Socket Weld Flanges (SW), and Threaded Flanges.


Typical Applications

  • Fluorine chemical industry and hydrofluoric acid equipment piping.
  • Seawater desalination and offshore platform seawater transmission systems.
  • Caustic soda and alkaline chemical processing plants.
  • Oil & gas desulfurization and chloride-containing corrosive pipelines.
  • Low-temperature equipment and various corrosive process piping systems.


Chemical Composition (wt%)


Element Ni + Co Cu Fe Mn C Si S
Range ≥ 63.0 28.0 – 34.0 ≤ 2.5 ≤ 2.0 ≤ 0.3 ≤ 0.5 ≤ 0.024


Mechanical Properties (Solution Annealed + Water Quenched)


Property Value
Tensile Strength (Rm) ≥ 483 MPa (70 ksi)
Yield Strength (Rp0.2) ≥ 172 MPa (25 ksi)
Elongation (A5) ≥ 35%
Density 8.80 g/cm³
Hardness ≤ 150 HB
Max Service Temperature 425°C(797°F)


Quality Assurance

All Monel 400 forged flanges undergo rigorous inspection including ultrasonic testing (UT per ASTM A388), mechanical property verification per ASTM E8/E21, chemical analysis via OES, and dimensional inspection. Full traceability from melt source to final shipment, complete MTR documents are available upon request.







Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    1998

  • Total Annual:

    70 million-100 million

  • Employee Number:

    50~60

  • Ecer Certification:

    Verified Supplier

     Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t...      Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t...

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Get in touch with us

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  • Hunan Dinghan New Material Technology Co., LTD
  • No. 2319, Building 2, Dongfang Furong Garden, No. 582 Yuanda 1st Road, Hehuayuan Street,Furong District, Changsha, Hunan Province, China.
  • https://www.nickel-basedalloys.com/

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