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Hunan Hengan Weiye Metal Products Co., Ltd.

  • China,Changsha ,Hunan
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China N08825 Incoloy 825 Nickel Alloy Shaft
China N08825 Incoloy 825 Nickel Alloy Shaft

  1. China N08825 Incoloy 825 Nickel Alloy Shaft
  2. China N08825 Incoloy 825 Nickel Alloy Shaft

N08825 Incoloy 825 Nickel Alloy Shaft

  1. MOQ: 1 Piece / Small trial order acceptable
  2. Price:
  3. Get Latest Price
Standards ASTM B425 / ASME SB425 NACE MR0175
Surface Bright cold drawn / Centerless ground Turned / Peeled / Polished Pickled / Black forged
Delivery Time 10–30 Working Days
Dia (mm) 8 – 300 Custom up to 600
Grade Incoloy 825 / UNS N08825 / W.Nr. 2.4858
Delivery conditions Hot Rolled / Cold Drawn & Pierced, Stabilization Annealed, Stress‑Relieved, Pickled
Packaging Details Waterproof polybag + Export wooden pallet / wooden case
Payment Terms T/T,L/C AT SIGHT
Length (mm) 2000 – 6000 Customizable length
Place of Origin China
Brand Name HA Steel

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  1. Product Details
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Product Specification

Standards ASTM B425 / ASME SB425 NACE MR0175 Surface Bright cold drawn / Centerless ground Turned / Peeled / Polished Pickled / Black forged
Delivery Time 10–30 Working Days Dia (mm) 8 – 300 Custom up to 600
Grade Incoloy 825 / UNS N08825 / W.Nr. 2.4858 Delivery conditions Hot Rolled / Cold Drawn & Pierced, Stabilization Annealed, Stress‑Relieved, Pickled
Packaging Details Waterproof polybag + Export wooden pallet / wooden case Payment Terms T/T,L/C AT SIGHT
Length (mm) 2000 – 6000 Customizable length Place of Origin China
Brand Name HA Steel
Product Highlights
  • Incoloy 825 solid & hollow shaft, UNS N08825 / 2.4858, manufactured per ASTM B425 bar standard
  • Ni-Fe-Cr-Mo-Cu-Ti solid solution alloy, cannot be hardened via quenching or aging heat treatment
  • High nickel matrix delivers outstanding chloride stress corrosion cracking (SCC) resistance
  • Molybdenum + copper composite formula resists sulfuric, phosphoric mixed reducing acids
  • Titanium stabilized design eliminates intergranular corrosion after welding & long thermal cycles
  • Stable mechanical performance from cryogenic up to 540°C continuous service temperature
  • Dual stock forms: solid round shaft & seamless hollow shaft to cut deep boring machining cost
  • Custom OD, ID, wall thickness, length & full CNC turning, boring, threading per CAD drawings
  • Core rotary blank for chemical pickling, FGD desulfurization, offshore seawater & oilfield equipment
Product Overview

This series of Incoloy 825 solid and hollow shafts are produced by hot rolling + seamless piercing cold drawing forming, then full solution stabilization annealing for uniform single-phase austenite microstructure. As a solid solution nickel alloy, its strength cannot be boosted by aging or quenching; the soft annealed state is standard delivery for easy all-range CNC machining.

Incoloy 825 integrates chromium, molybdenum and copper elements to balance oxidation & reducing acid corrosion resistance, while titanium stabilizes grain boundaries to avoid weld sensitization. Different from precipitation hardening nickel alloys (718/925), it features long-term stability in mixed acid flue gas desulfurization and seawater brine environments, with more competitive cost than high-grade nickel superalloys. Solid shaft for solid rotary spindles; seamless hollow shaft eliminates heavy solid bar deep boring work, widely processed into agitator rods, heat exchanger spindles, seawater pump shafts and pickling equipment tubular blanks for chemical, offshore marine, power plant FGD and petroleum industries.

Material Grade Characteristics – Incoloy 825 (UNS N08825 / 2.4858)
  • Nickel-iron-chromium base alloy with molybdenum, copper and titanium additive elements
  • High nickel content completely avoids chloride SCC failure in warm salt water medium
  • Mo+Cu dual system provides exceptional tolerance to sulfuric & phosphoric reducing acids
  • Titanium binds free carbon to block chromium carbide precipitation, no post-weld annealing required
  • Excellent ductility & impact toughness at both cryogenic and medium high temperature
  • Compatible with all conventional welding methods without hot cracking risk
  • Stabilized annealed soft state supports turning, boring, threading and complex CNC forming
Chemical Composition (Weight %)
Grade EN No. C ≤ Si ≤ Mn ≤ P ≤ S ≤ Cr Ni Mo Cu Ti Al ≤ Fe
Incoloy 825 2.4858 0.05 0.50 1.00 0.025 0.030 19.5–23.5 38.0–46.0 2.5–3.5 1.5–3.0 0.6–1.2 0.20 Balance
Mechanical Properties (Stabilization Annealed, ASTM B425)
Property Incoloy 825
Delivery Condition Hot Rolled / Cold Drawn & Pierced, Stabilization Annealed, Stress‑Relieved, Pickled
Minimum Tensile Strength (MPa) ≥690
Minimum 0.2% Yield Strength (MPa) ≥300
Minimum Elongation (50mm gauge) ≥45 %
Max Brinell Hardness ≤210 HB
Related Material Grades
  • Incoloy Series: 800 / 800H / 800HT / 825 / 925
  • Inconel Series: 600 / 601 / 625 / 690 / 718 / X-750
  • Hastelloy Series: C4 / C22 / C276 / C2000 / B3
  • Monel & Pure Nickel: Monel 400 / K500, Nickel 200 / 201
  • Duplex Stainless Steel: 2205 / 2507 / S32750
  • Austenitic Stainless Steel: 304L / 316L / 321 / 904L
  • PH Stainless Steel: 17-4PH / 15-5PH
  • Alloy Steel: 4140 / F22 / F91 / A105
Key Advantages
Dual Acid Corrosion Resistance

Chromium resists oxidizing media; Mo-Cu complex additive delivers stable service in sulfuric, phosphoric reducing acid environments, unmatched by standard stainless steel.

Anti-Chloride SCC Characteristic

High nickel content eliminates stress corrosion cracking in hot brine & seawater, ideal offshore and desalination rotary parts.

Titanium Stabilized Weld Performance

Ti element fixes free carbon, no chromium carbide precipitation after welding or repeated heating; post-weld heat treatment is unnecessary.

Wide Temperature Toughness Range

Retain high ductility from ultra-low cryogenic to 540℃ medium high-temperature working conditions without brittle transition.

Dual Solid/Hollow Stock Supply

Seamless hollow shaft reduces solid bar deep boring cost, shortens processing cycle for tubular spindle production.

Typical Applications
  • Chemical Pickling Equipment: Pickling tank agitator shafts, acid circulation pump spindles
  • Power Plant FGD: Flue gas desulfurization tower rotary support rods, scrubber shafts
  • Offshore & Desalination: Seawater injection pump shafts, salt water heat exchanger spindles
  • Oil & Gas Mild Corrosion Wells: Downhole low-sulfur pump rods, wellhead valve stems
  • Nuclear & Fertilizer: Reactor transmission shafts, phosphoric acid reactor agitator blanks
  • General Corrosive Machinery: Mixed acid reactor rotary components, waste liquid treatment spindles
Processing Service

We provide integrated hot rolling & seamless piercing hollow shaft production, full custom CNC machining per customer CAD/PDF drawings:

  • Fixed-length cutting, centering, external turning, hollow inner boring, chamfering
  • Precision threading, spline machining, cylindrical grinding & mirror polishing
  • Standard stabilization annealing heat treatment customization
  • Pickling, passivation anti-corrosion surface finishing

We supply Incoloy 825 solid & hollow shaft blanks and fully machined spindles for chemical, power, offshore and petroleum global industrial clients.

Quality Assurance
  • 100% UT + Eddy Current dual inspection to detect rolling/piercing internal segregation & crack defects
  • Full batch tensile, yield & hardness mechanical testing per heat lot
  • High-precision micrometer & CMM to control diameter, wall thickness & straightness tolerance
  • Spectrometer full-spectrum chemical composition verification per heat number
  • Metallographic single-phase stabilized austenite microstructure inspection

Mill Test Certificate EN 10204 3.1 can be issued and delivered together with shipment documents before delivery.

Packing & Delivery
Packing

- Inner: Independent anti-rust plastic sleeve + waterproof film full wrap for surface scratch protection

- Outer: Reinforced fumigated wooden pallet with separation strips to prevent bending & collision deformation

- Custom heavy-duty export packaging for extra long/large-diameter shafts available upon request

Lead Time

Normally 10 – 45 working days after receiving advance payment. Exact lead time depends on shaft type (solid/hollow), diameter, length, order quantity and custom 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...

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Get in touch with us

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  • Hunan Hengan Weiye Metal Products Co., Ltd.
  • Room 1307, Kaisa Plaza, No.318 Wuyi Avenue, Furong District, Changsha, Hunan,China. Postal Code 410001
  • https://www.hawymachining.com/

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