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ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy

ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy

  • ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
  • ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
  • ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
  • ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
Détails sur le produit:
Lieu d'origine: Chine
Nom de marque: YUHONG
Certification: API,PED,ABS
Numéro de modèle: B283 C70620
Conditions de paiement et expédition:
Quantité de commande min: 1 pièce
Prix: Négociable
Détails d'emballage: caisses en bois
Délai de livraison: 7-10 jours
Conditions de paiement: T/T, L/C
Capacité d'approvisionnement: Cela dépend de la quantité
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Description de produit détaillée
Standard: ASTM B283/ASME SB283 Grade: Alliage de cuivre C70620 (UNS C70620)
Taper: Pièces forgées pressées à chaud, pièces forgées personnalisées en option Processus: Pressage à chaud, normalisation/recuit/revenu, décapage
Gamme de tailles: Personnalisable (basé sur les exigences de forgeage), 50 mm-500 mm (typique) Tolérance dimensionnelle: Conforme à la norme ASTM B283, ±0,8 mm
Surface: Décapé, sablé en option, lisse, antirouille, Ra ≤ 1,6 μm Détails de l'emballage: Excellent pour l'eau de mer/les ions chlorure, taux de corrosion ≤ 0,025 mm/an dans l'eau de
Mettre en évidence:

ASTM B283 copper-nickel alloy forgings

,

seawater-resistant C70620 copper alloy

,

UNS C70620 nickel alloy forgings

ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy
Brief Introduction

ASTM B283 Copper Alloy C70620 (UNS C70620) is a high-performance copper-nickel alloy forging, strictly compliant with ASTM B283 / ASME SB283 standard. It is a 90% copper-10% nickel alloy (commonly known as cupronickel) with added iron elements, featuring excellent corrosion resistance (especially to seawater and chloride ions), good weldability, thermal conductivity and mechanical strength. As a hot-pressed die forging product, it is specially designed for welded applications exposed to seawater, with outstanding resistance to pitting and crevice corrosion, and can inhibit marine biological adhesion. Widely used in marine engineering, chemical, valve and pump industries, it is a reliable structural component for harsh corrosive environments, ensuring stable and long-term service.

Chemical Composition Analysis (wt%)
Alloy Grade Cu (Copper) Ni (Nickel) Fe (Iron) Zn (Zinc) Mn (Manganese) C (Carbon) P (Phosphorus) S (Sulfur)
ASTM B283 C70620 (UNS C70620) ≥86.5 9.0-11.0 1.0-1.8 ≤0.5 ≤1.0 ≤0.05 ≤0.02 ≤0.02
Typical Mechanical Properties
Mechanical Property Standard Requirement (ASTM B283) Typical Value
Yield Strength (Rp0.2), MPa ≥103 103-124
Tensile Strength (Rm), MPa ≥276 276-310
Elongation (A), % ≥30 30-40
Hardness (HB), Brinell ≤100 80-95
Impact Toughness (KV), J (20℃) ≥100 100-130
Available Tests
Test Type Standard
Chemical Composition Test (PMI) Spectrometer, ASTM B283
Tensile & Impact Test ASTM E8/E8M, ASTM A370
Hardness Test ASTM E10
Pressure Test (Hydrostatic/Pneumatic) ASTM B283
Non-Destructive Testing (NDT) UT, RT, MT, PT (ASTM E165)
Corrosion Resistance Test ASTM G48, Salt Spray Test (ASTM B117), Seawater Corrosion Test
Dimensional & Visual Inspection ASTM B283
Forging Quality Test ASTM B283, Microstructure Inspection
Product Application Scope
Industry Field Typical Applications
Marine Engineering Seawater desalination pipelines, ship components, offshore platforms, marine pump/valve forgings, seawater treatment equipment
Chemical Industry Acid conveying pipeline forgings, reactor linings, chemical containers, chloride ion-containing medium processing equipment
Valve & Pump Manufacturing Valve bodies, pump casings, valve cores, and other forging components for corrosive media
Oil & Gas Extraction Offshore oil platform pipelines, oil and gas extraction valve forgings, corrosive medium conveying components
Electronic & Electrical Connectors, relay springs, shielding covers, heat dissipation components (utilizing good thermal/electrical conductivity)
Other General engineering forgings, automotive brake system components, refrigeration equipment heat exchangers
ASTM B283 Copper Alloy C70620 (UNS C70620) Forgings, Seawater-Resistant Copper-Nickel Alloy 0

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