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ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects

ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects

  • ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
  • ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
  • ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
  • ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
उत्पाद विवरण:
उत्पत्ति के प्लेस: चीन
ब्रांड नाम: YUHONG
प्रमाणन: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
मॉडल संख्या: एएसएमई एसबी725 यूएनएस एन04400
भुगतान & नौवहन नियमों:
न्यूनतम आदेश मात्रा: 100 किग्रा
मूल्य: बातचीत योग्य
पैकेजिंग विवरण: प्लाई-लकड़ी का केस/आयरन केस/प्लास्टिक कैप के साथ बंडल
प्रसव के समय: 20-80 दिन
भुगतान शर्तें: एल/सी, टी/टी
संपर्क करें
सभी उत्पाद
अन्य (406)
विस्तृत उत्पाद विवरण
मानक: जेआईएस, एआईएसआई, एएसटीएम, जीबी, डीआईएन, एन विनिर्देश: एएसएमई एसबी725 यूएनएस एन04400
आकार: गोल प्रकार: निर्बाध
लंबाई: स्वनिर्धारित प्रसंस्करण सेवा: झुकना, वेल्डिंग करना, डिकॉयलिंग, पंचिंग, काटना
प्रमुखता देना:

ASME SB725 Monel 400 welded pipe

,

UNS N04400 nickel alloy pipe

,

Monel 400 pipe for marine projects

ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects
 

ASME SB725 is a specific standard specification for welded nickel and nickel alloy pipes, applicable to UNS N04400 nickel-copper alloy welded pipes. The pipes covered by this standard are supplied in annealed or stress-relieved conditions, primarily targeting general corrosive environments and mechanical applications.
 
UNS N04400 is a nickel-copper solid solution strengthened alloy, typically with a nickel content of at least 63% and a copper content of 28%–34%. Its significant characteristic is that it requires no aging hardening treatment; high strength can be achieved through cold working alone—a typical behavior of solid solution strengthened alloys.
 
Therefore, ASME SB725 UNS N04400 welded pipes can be considered a dedicated nickel-copper alloy piping solution for strongly reducing acidic media and seawater environments. It is particularly suitable for applications with stringent corrosion resistance requirements, such as hydrofluoric acid (HF) alkylation plants, marine engineering pipelines, and chemical processing equipment.

 

 

Chemical Composition (UNS N04400)
ElementContent Range (%)
Ni (Nickel)≥ 63.0
Cu (Copper)28.0 - 34.0
Fe (Iron)≤ 2.5
Mn (Manganese)≤ 2.0
Si (Silicon)≤ 0.5
C (Carbon)≤ 0.3
S (Sulfur)≤ 0.024

 

 

Mechanical Properties – ASME SB725 Standard Requirements
ConditionSize RangeTensile Strength (MPa)Yield Strength 0.2% (MPa)Elongation (%)
AnnealedOD ≤ 127mm (5 in.)≥ 480≥ 195≥ 35
AnnealedOD > 127mm (5 in.)≥ 480≥ 170≥ 35
Stress RelievedAll sizes≥ 585≥ 380≥ 15

 

 

Mechanical Properties – Industry Reference Values (Annealed)
ParameterValue
Tensile Strength480 - 550 MPa
Yield Strength (0.2% offset)172 - 240 MPa
Elongation35% - 40%
Hardness110 - 160 HBW
Elastic Modulus173 - 180 GPa

 

Heat Treatment Requirements
ItemParameter
Annealing Temperature (post-weld)≥ 926°C (1700°F)
Post-Weld Heat TreatmentAnnealing or stress relieving required unless otherwise specified in order
Stress Relieving (cold worked)300 - 320°C, hold 30-60 min, air cool

 

 

Application

 

  • Petrochemical Industry: Piping, valves, flanges, and containers for HF alkylation units (API 752 recommended materials)
  • Marine Engineering: Seawater intake pipelines, ballast water pipelines, seawater cooling systems, pump shafts, and propeller shafts
  • Chemical Processing: Hydrofluoric acid production equipment, fluorine and fluoride processing pipelines, and containers for sulfuric acid/hydrochloric acid reducing environments
  • Power Industry: Boiler feedwater heaters, deaerator heaters, and nuclear power plant heat exchanger tube bundles

 
ASME SB725 UNS N04400 Monel 400 Nickel Alloy Steel Welded Pipe For Oil And Gas Marine Projects 0
 

सम्पर्क करने का विवरण
Yuhong Group Co.,Ltd

व्यक्ति से संपर्क करें: Nirit

दूरभाष: +8613625745622

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