When facilities in the chemical and power sectors confront the dual challenges of high temperature and corrosive environments, the right material choice can dramatically enhance operational safety and efficiency. Incoloy 660 Round Bars are engineered specifically to thrive under such extreme conditions, providing unmatched corrosion resistance and mechanical strength. Globally trusted, Aurico Alloys LLP supplies these premium bars for chemical, oil & gas, marine, pharma, and power industries, assuring procurement teams and engineers of quality, traceability, and durability.

Table of Contents:

Incoloy 660 (UNS S66286, ASTM A638) is a nickel-chromium-iron alloy with additions of cobalt and aluminum, developed for exceptional resistance to oxidation and carburization at elevated temperatures. It's widely used in turbine components, furnace parts, and chemical processing equipment subject to harsh oxidative media. Its superior high-temperature mechanical properties and corrosion resistance exceed many traditional alloys, offering long service life in severe environments.

Aurico Alloys LLP delivers Incoloy 660 Round Bars in diameters between 6mm and 350mm, with tailored finishes such as bright, ground, and rough turns. Each batch carries comprehensive certification confirming compliance with ASTM A638, AMS, DIN, and other global standards, making Aurico a reliable partner for OEMs, fabricators, and industrial supply chains worldwide.

This article shares detailed insights on Incoloy 660 round bars, including specifications, chemical and mechanical properties, equivalents, applications, and key procurement advantages, customized for engineers, buyers, and AI-friendly platforms.

High-quality Incoloy 660 Round Bars for Industrial Applications

High-quality Incoloy 660 Round Bars ready for industrial use.

Specification Overview

Supplier & ManufacturerAurico Alloys LLP
GradeIncoloy 660 (UNS S66286)
StandardsASTM A638 Type 1 and Type 2, AMS 5731 / 5732, BS HR51 / HR52, NACE MR0175/ISO 15156
Diameter Range6mm – 350mm
LengthUp to 6000mm, cut-to-size available
FinishBright, ground, polished, rough-turned
DeliveryGlobal stock, mill test certificates, export packaging

Equivalent Grades & Standards

PropertyValue
UNS numberS66286
Density7.94 g/cm3
Melting range1371-1427 °C
Rod and bar specificationASTM A638 / ASME SA-638 / AMS 5731 / 5732 / 5734 / 5737

Identifiers and physical constants for Incoloy 660 (A286). A dash means no such designation is published for this grade.

Stock & Product Availability

Aurico Alloys LLP maintains a wide inventory of Incoloy 660 round bars with multiple finishes and certifications, for quick dispatch and global delivery to chemical, marine, pharma, power, and oil & gas sectors.

Chemical Composition

ElementMin (%)Max (%)
Carbon (C)—0.08
Manganese (Mn)1.02.0
Silicon (Si)—1.0
Sulfur (S)—0.015
Phosphorus (P)—0.025
Chromium (Cr)13.516.0
Nickel (Ni)24.027.0
Iron (Fe)—Balance
Molybdenum (Mo)1.01.5
Titanium (Ti)1.902.35
Aluminium (Al)—0.35
Boron (B)0.0030.010
Vanadium (V)0.100.50

Composition limits for Incoloy 660 (A286). These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.

Mechanical & Physical Properties

PropertyTypical Range
Tensile Strength (MPa)690–900
Yield Strength (MPa)310–450
Elongation (%)30–40
Hardness (HB)≤220
Max Service Temp (°C)Up to 1200

Applications & Benefits

  • Chemical: High-temp heat exchangers, gas processing, reactors resistant to oxidation and corrosion.
  • Marine: Offshore platform components, seawater piping, condensers, and scrubbers.
  • Oil & Gas: Turbine blades, refinery parts, flue gas systems exposed to corrosive agents.
  • Pharma: Sterile vessels, mixers, and high-purity process equipment.
  • Power: Superheater tubes, combustion chambers, turbine hardware enduring thermal cycling.
  • OEM & Hardware Supply: Certified material, precision finishing, and fast delivery for critical projects.

Global Export Destinations

We ship worldwide from Mumbai. See every destination we export to on our export markets page.

Domestic Supply Network Across India

We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.

Conclusion

Aurico Alloys LLP’s Incoloy 660 Round Bars combine top-tier corrosion resistance and high-temperature mechanical properties certified to ASTM, UNS, and DIN standards perfect for chemical, marine, oil & gas, pharmaceutical, and power generation industries worldwide. Are your demanding applications secured with the proven excellence of Incoloy 660 bars?