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This series of Monel K500 forged rings are produced by open-die forging and seamless radial ring rolling process. Two standard delivery states are available: soft solution annealed blank for customer self-machining + aging, or fully heat-treated aged high-strength finished ring.
Monel K500 inherits the full anti-corrosion advantages of Monel 400 against hydrofluoric acid and seawater, while aluminum and titanium elements enable precipitation hardening to double mechanical strength after low-temperature aging. It maintains low magnetism and good low-temperature toughness. Forged ring blanks are widely processed into marine pump flange rings, oilfield drill collar segments, HF equipment sealing rings and high-pressure valve annular parts for marine, fluorochemical and petroleum industries.
Material Grade Characteristics – Monel K500 (UNS N05500 / 2.4375)
Ni-Cu precipitation hardening alloy with controlled Al & Ti precipitating strengthening elements
Same superior HF acid & fast-flowing seawater erosion resistance as Monel 400
Can reach yield strength over 790 MPa after standard aging heat treatment
Nearly non-magnetic under normal service temperature, only slightly magnetic after aging
Excellent anti-sulfide performance for H₂S containing oil & gas sour well environments
Good hot forging, cold machinability in solution annealed state; weldable with matched filler metal
Chemical Composition (Weight %)
Grade
EN Standard No.
C ≤
Si ≤
Mn ≤
P ≤
S ≤
Cu
Ni Min
Al
Ti
Fe ≤
Monel K500
2.4375
0.25
0.50
1.50
0.03
0.01
27.0–33.0
63.0
2.30–3.15
0.35–0.85
2.0
Mechanical Properties (Two Standard States, ASTM B564)
Property
Solution Annealed
Solution Annealed + Aged (H1075)
Delivery Condition
Hot Forged, Solution Annealed, Stress‑Relieved, Pickled
Hot Forged, Solution Annealed, Aged H1075, Stress‑Relieved, Pickled
Mill Test Certificate EN 10204 3.1 can be issued and delivered together with shipment documents before delivery.
Packing & Delivery
Packing
Inner layer: Waterproof anti-rust plastic film full wrap + separate plastic protective sleeves
Outer layer: Reinforced fumigated wooden pallet / wooden case with separation blocks to avoid collision deformation
Custom heavy-duty export packaging available upon customer request
Lead Time
Normally 10 – 45 working days after receiving advance payment. Exact lead time depends on ring OD/ID size, height, order quantity and custom heat treatment/machining demands.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1998
Total Annual:
>1-2 billion
Employee Number:
>200+
Ecer Certification：
Verified Supplier
HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio... HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio...
