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Product Overview

Introduction To Haynes Superalloys 230 / UNS N06230

Haynes-230

MOKSH TUBES & FITTINGS LLP is a manufacturer, supplier, exporter, importer, and stockist of a wide range of Haynes 230 (UNS N06230) products including Pipes & Tubes, Pipe Fittings, Flanges, Fasteners, Sheets & Plates, Coils, Wires, Round Bars, Flat Bars, Angles, Channels, Welding Rods, Wire Mesh, and other custom and hard-to-find Haynes 230 products.

Haynes Superalloys 230 is a nickel-chromium-tungsten-molybdenum alloy renowned for its outstanding strength, excellent oxidation resistance, and superior stability at elevated temperatures. It maintains excellent mechanical properties and corrosion resistance up to about 1149 °C (2100 °F), making it ideal for use in aggressive environments and high-temperature applications.

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HAYNES 230® Specifications (UNS N06230 / Alloy 230)

Category Details
Grade Haynes 230® / Alloy 230 / UNS N06230
Type Nickel–Chromium–Tungsten–Molybdenum High-Temperature Superalloy
Forms Available Hot Rolled, Cold Rolled, Annealed, Solution Treated, Welded
Heat Treatment Solution Anneal + Rapid Quench
Testing Tensile, Impact, Hardness, Chemical, PMI, UT
Certification EN 10204 3.1 / 3.2 (MTC provided)
Standards ASTM B435, B572, B619, B622, B626 & ASME equivalents

Chemical Composition of HAYNES 230®

The alloy's performance comes from its carefully controlled chemical composition.

Element Composition (%)
Nickel (Ni) Balance
Chromium (Cr) 22.0 – 23.0
Tungsten (W) 14.5 – 15.5
Molybdenum (Mo) 1.5 – 2.5
Iron (Fe) ≤ 2.0
Cobalt (Co) ≤ 1.5
Manganese (Mn) ≤ 0.35
Silicon (Si) ≤ 0.25
Carbon (C) ≤ 0.08
Phosphorus (P) ≤ 0.015
Sulfur (S) ≤ 0.015

Technical Composition of HAYNES 230®

Physical Properties of HAYNES 230®

Property Imperial Units Metric Units
Density 0.298 lb/in³ 8.25 g/cm³
Melting Range 2550 – 2650 °F 1399 – 1454 °C
Specific Heat 0.11 Btu/lb·°F 460 J/kg·°C
Magnetic Permeability ~1.02

Heat Treatment of HAYNES 230® (UNS N06230)

Process Temperature Range Cooling / Notes
Solution Annealing 2150–2250 °F (1175–1230 °C) Rapid air cool or water quench
Stress Relieving 1650–1800 °F (900–980 °C) Air cool
Stabilization Treatment Not required Alloy inherently stable
Weld Anneal 2150 °F (1175 °C) Required after heavy welding

📌 Haynes 230® maintains microstructural stability above 1000 °C, reducing the need for repeated heat treatments.

Mechanical Properties of HAYNES 230® (Annealed)

Property Tubing (Annealed) Tubing (Cold Drawn) Bar Plate Sheet
Tensile Strength (MPa) 885 995* 885 838 838
Yield Strength (0.2%) MPa 425 715* 425 375 422
Elongation (%) 46 32* 46.6 47 47

Equivalent Grades of HAYNES 230®

Standard Grade Equivalent
UNS N06230
W.Nr. 2.4732
ASTM B435, B572, B619, B622, B626
ASME SB435, SB572, SB619, SB622, SB626
ISO NiCrWMo Alloy
Trade Name Haynes® 230®

Products in Haynes Superalloys 230

Haynes Superalloys 230 is supplied in multiple product forms meeting ASTM, ASME, and other industry standards:

Seamless Pipes
Welded Pipes (ERW & EFW)
Tubes (Capillary, U-Bend)
Sheets & Plates
Coils & Strips
Round Bars, Flat Bars, Hex Bars, Square Bars
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
Custom Fabricated Components

Haynes Superalloys 230 products are produced to the following global standards:

Uses and Advantages

Excellent high-temperature strength and creep resistance
Outstanding oxidation and carburization resistance up to 1149 °C (2100 °F)
Good fabricability and weldability
Maintains mechanical integrity in severe industrial environments
Stable microstructure that supports long service life

Applications of Haynes Superalloys 230

Haynes Superalloys 230 Widely used in industries requiring high-performance alloys under severe conditions:

Aerospace and Gas Turbines

Combustion chambers, turbine casings, hot gas ducts

Industrial Furnaces and Heat Treating Equipment

Furnace parts exposed to extreme temperatures

Industrial Furnaces and Heat Treating

Furnace muffles, radiant tubes, roller hearth components

Chemical Processing Equipment

Reactors, heat exchangers, reformer tubes

Power Generation

Boiler superheaters, gas turbine components

WHY CHOOSE US?

Comprehensive expertise in nickel-based superalloys
Quality-assured sourcing meeting ASTM/ASME/NACE standards
Customized product shapes, sizes, and heat treatments
Global logistics with timely delivery
Full technical support from alloy selection to fabrication

Haynes 230® Price Per Kg in India

Typical Range: ₹4,800 – ₹13,500 per kg

(Price varies by OD, wall thickness, form, and finish)

Contact us for exact quotation based on size and quantity.

FAQ's

What is Haynes 230 and why is it preferred in high-temperature industries?

Haynes 230 (UNS N06230) is a nickel-chromium-tungsten-molybdenum alloy widely recognized for its exceptional strength, excellent oxidation resistance, and superior stability at elevated temperatures. It maintains its mechanical properties and corrosion resistance up to about 1149°C (2100°F), making it one of the most reliable superalloys for use in extreme industrial conditions such as aerospace, chemical processing, and power generation.

What are the key properties of Haynes 230 alloy?

Haynes 230 exhibits outstanding high temperature strength, creep resistance, and thermal stability, along with excellent resistance to oxidation and carburization. It has a tensile strength of up to 144 ksi, yield strength ranging from 54 to 104 ksi depending on product form, and elongation of around 32–47%. Its good fabricability and weldability, combined with a stable microstructure, allow it to deliver long service life even in aggressive and high stress environments.

Which industries and applications use Haynes 230 products?

Haynes 230 is widely used in aerospace for combustion chambers, turbine casings, and hot gas ducts, in industrial furnaces for muffles, radiant tubes, and roller hearth components, and in chemical processing for reactors, reformer tubes, and heat exchangers. It also plays an important role in power generation for boiler superheaters and gas turbine components. Its ability to resist oxidation and maintain integrity under extreme conditions makes it a preferred alloy in industries that demand reliable performance.

What types of Haynes 230 products are available from MOKSH TUBES & FITTINGS LLP?

MOKSH TUBES & FITTINGS LLP provides a complete range of Haynes 230 products including seamless and welded pipes, tubes, sheets, plates, coils, bars, flanges, pipe fittings, fasteners, welding rods, wire mesh, and custom fabricated components. All products are manufactured to ASTM, ASME, and international standards, ensuring top-quality performance and durability for critical industrial applications.

Why should industries choose MOKSH TUBES & FITTINGS LLP for Haynes 230 materials?

MOKSH TUBES & FITTINGS LLP is a trusted global supplier with expertise in nickel-based superalloys like Haynes 230, offering quality-assured products that meet ASTM, ASME, and NACE standards. With capabilities in customized manufacturing, global logistics, and on-time delivery, along with dedicated technical support from alloy selection to fabrication, the company provides reliable solutions that meet the demanding needs of industries operating in high-temperature and corrosive environments.

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