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Inconel Bars

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Inconel Bars

ARK Stainless INC. is a leading manufacturer and reliable global supplier of high-quality Inconel 600/601/625/718 and Incoloy 800/800H/800HT/825 Round Bars & Rods. These precision-engineered bars and rods are made from premium nickel-based superalloys, ensuring excellent strength, corrosion resistance, and durability in extreme temperature and pressure environments. We offer customized solutions to meet the diverse needs of industries, delivering products with tight dimensional tolerances and secure packaging.

Our Inconel and Incoloy round bars & rods are manufactured according to stringent quality standards, covering diameter, length, mechanical properties, surface finish, and metallurgical integrity. Composed of key alloying elements like Nickel, Chromium, Iron, Molybdenum, Niobium, Titanium, and Carbon, these materials offer outstanding resistance to oxidation, high-temperature scaling, carburization, and aggressive chemical exposure.

We supply a comprehensive inventory including Inconel 600/601/625/718 Round Bars & Rods and Incoloy 800/800H/800HT/825 Round Bars & Rods, manufactured as per global standards such as ASTM B166, B408, B425, B564, B637 and relevant ASME & DIN specifications. These products are ideal for demanding applications in sectors like aerospace, petrochemical, nuclear reactors, marine, power generation, and chemical processing.

Recognized for their exceptional mechanical properties including high tensile and yield strength, excellent toughness, and good machinability, our bars and rods are offered in various finishes such as bright, black, rough-turned, and centerless ground. ARK Stainless INC. maintains a strict quality assurance protocol supported by thorough inspections, including ultrasonic testing, PMI, and mechanical testing. All shipments are accompanied by comprehensive documentation including Mill Test Certificates (MTC), third-party inspection approvals, and compliance certifications.

Table of Contents

Chemical Composition of Inconel Bars

Grade Ni Fe C Mn Si Cu Cr S Mo Co Al Ti Nb
Inconel 600 72.0 min 6.0–10.0 0.15 max 1.0 max 0.5 max 0.5 max 14.0–17.0 0.015 max — 1.0 max 0.3 max — —
Inconel 601 58.0–63.0 Rest 0.10 max 1.0 max 0.5 max 1.0 max 21.0–25.0 0.015 max 1.0 max 1.0 max 1.0–1.7 — —
Inconel 625 58.0 min 5.0 max 0.10 max 0.5 max 0.5 max 0.5 max 20.0–23.0 0.015 max 8.0–10.0 1.0 max 0.4 max 0.4 max 3.15–4.15
Inconel 718 50.0–55.0 17.0–21.0 0.08 max 0.35 max 0.35 max — 17.0–21.0 0.015 max 2.8–3.3 1.0 max 0.2–0.8 0.65–1.15 4.75–5.50
Incoloy 800 30.0–35.0 39.5 min 0.10 max 1.5 max 1.0 max 0.75 max 19.0–23.0 0.015 max — — 0.15–0.60 0.15–0.60 —
Incoloy 800H / 800HT 30.0–35.0 39.5 min 0.05–0.10 (H), 0.06–0.10 (HT) 1.5 max 1.0 max 0.75 max 19.0–23.0 0.015 max — — 0.25–0.60 0.25–0.60 —
Incoloy 825 38.0–46.0 22.0 min 0.05 max 1.0 max 0.5 max 1.5–3.0 19.5–23.5 0.015 max 2.5–3.5 1.0 max 0.2 max 0.6–1.2 —

Mechanical Properties Of Inconel Bars

Grade Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (%) Hardness (HB) Density (g/cm³) Melting Range (°C)
Inconel 600 550–700 240 min 30 min ≤ 200 8.47 1354–1413
Inconel 601 600–750 270 min 30 min ≤ 200 8.11 1360–1411
Inconel 625 827–965 414 min 30–40 ≤ 220 8.44 1290–1350
Inconel 718 1240 min 1035 min 12–20 ≤ 331 8.19 1260–1336
Incoloy 800 520–690 205–310 30 min ≤ 200 7.94 1357–1385
Incoloy 800H 500–700 200–300 25–30 ≤ 200 7.94 1357–1385
Incoloy 800HT 600–750 300–350 25–30 ≤ 200 7.94 1357–1385
Incoloy 825 585 min 240 min 30 min ≤ 200 8.14 1370–1400

Inconel 600/601/625/718 Round Bar & Rods

Inconel 600/601/625/718 Round Bars and Rods are premium nickel-chromium-based alloys known for their outstanding resistance to heat, oxidation, and corrosive environments. These alloys are widely used in industries like aerospace, chemical processing, power generation, marine, and heat treating due to their exceptional mechanical properties and thermal stability at elevated temperatures. Their superior strength, workability, and weldability make them ideal for critical components such as turbine blades, fasteners, heat exchanger tubing, and structural supports.


Inconel 600/601/625/718 Round Bar & Rods Equivalent Grades
GRADE UNS WERKSTOFF NR. AFNOR GOST OR BS JIS EN
Inconel 600 UNS N06600 2.4816 Z2CND17-12 06ХН28МДТ CN7M NA NA EN 2.4816
Inconel 601 UNS N06601 2.4851 NA 06ХН28МДТ NA NA NA EN 2.4851
Inconel 625 UNS N06625 2.4856 NA 06ХН28МДТБР NA NA NA EN 2.4856
Inconel 718 UNS N07718 2.4668 NA 07ХНД4АГ9НМ NA NA NA EN 2.4668

Specification of Inconel 600/601/625/718 Round Bar & Rods
  • Bar Specification: ASTM B166, B637, B446, B408 / ASME SB166, SB637, SB446, SB408
  • Standard: ASTM, ASME, AMS, DIN
  • Size Range: 5 mm to 500 mm diameter
  • Form: Round Bar, Rod, Bright Bar, Forged Bar, Black Bar, Hex Bar
  • Finish: Peeled, Polished, Cold Drawn, Hot Rolled, Centerless Ground
  • Length: 1000 mm to 6000 mm or custom cut length
  • Tolerance: h8, h9, h10, or as per customer requirement
  • End: Plain, Chamfered, Threaded (as per request)
  • Processing: Straightening, Machining, Cutting, Ultrasonic Testing
  • Test Reports: Mill Test Certificate EN 10204 3.1, Chemical & Mechanical Reports, PMI, Ultrasonic Test, Third Party Inspection
  • Packing: Wooden Boxes, Bundled with Plastic Wrapping or as per Client Requirement
  • Specials: Custom sizes, non-standard grades, and tailored lengths available on request

Incoloy 800/800H/800HT/825 Round Bar & Rods

Incoloy 800, 800H, 800HT, and 825 Round Bars and Rods are high-performance nickel-iron-chromium alloys specifically engineered for high-temperature and corrosive environments. These alloys offer excellent resistance to oxidation, carburization, and high-temperature creep rupture, making them ideal for petrochemical processing, heat exchangers, power generation, nuclear plants, and marine equipment. Known for their dimensional stability, mechanical strength, and superior resistance to acidic and aqueous environments, these round bars are a preferred choice for demanding engineering applications.


Incoloy 800/800H/800HT/825 Round Bar & Rods Equivalent Grades
GRADE UNS WERKSTOFF NR. AFNOR GOST OR BS JIS EN
Incoloy 800 UNS N08800 1.4876 NA 20Х23Н18 NA NA15 SUH 38 EN 1.4876
Incoloy 800H UNS N08810 1.4958 NA NA NA NA15H NA EN 1.4958
Incoloy 800HT UNS N08811 1.4859 NA NA NA NA15HT NA EN 1.4859
Incoloy 825 UNS N08825 2.4858 NA 03ХН70МБЮ NA NA16 NA EN 2.4858

Specification of Incoloy 800/800H/800HT/825 Round Bar & Rods
  • Bar Specification: ASTM B408, B564, B425, B163, B166 / ASME SB408, SB564, SB425, SB163, SB166
  • Standard: ASTM, ASME, DIN, EN, BS
  • Size Range: 5 mm to 500 mm diameter
  • Form: Round Bar, Rod, Bright Bar, Forged Bar, Hex Bar, Flat Bar
  • Finish: Hot Rolled, Cold Drawn, Polished, Centerless Ground
  • Length: 1000 mm to 6000 mm or customized length available
  • Tolerance: h9, h10, h11 or custom tolerances as specified
  • End: Plain, Beveled, Threaded (on request)
  • Processing: Cutting, Turning, Straightening, Heat Treatment, Surface Finishing
  • Test Reports: Mill Test Certificate EN 10204 3.1, Chemical and Mechanical Reports, PMI, Ultrasonic Test, NABL Certified Lab Reports
  • Packing: Wooden Boxes, Bundled with Plastic Film, Waterproof Wrapping, Custom Crates
  • Specials: Custom sizes, Non-standard alloys, Special lengths or finishes available on request