HAYNES 188 Alloy Rod

Material:	Cobalt-Nickel-Chromium-Tungsten Alloy
Appearance:	Silvery metallic solid
Standard:	UNS R30188, AMS 5772
Diameter:	9.5-178mm (0.375"-7")

 

Product Description

HAYNES 188 alloy rod is a high-performance cobalt-based superalloy known for its exceptional high-temperature strength, oxidation resistance, and thermal stability. This alloy contains a precise balance of cobalt, nickel, chromium, and tungsten, providing excellent mechanical properties in extreme environments. It is widely used in aerospace, gas turbines, and industrial applications where resistance to oxidation and high-temperature creep is critical.

 

Features & Properties

✔ High-Temperature Strength – Maintains mechanical integrity in extreme heat conditions.
✔ Superior Oxidation Resistance – Protects against scaling and degradation at high temperatures.
✔ Excellent Thermal Stability – Resists microstructural changes under prolonged heat exposure.
✔ Good Fabricability – Easily machined, welded, and formed into complex components.

 

Applications & Related Industries

🔹 Aerospace Industry – Used in jet engines, combustion liners, and afterburners.
🔹 Gas Turbine Components – Ideal for industrial and power generation turbines.
🔹 Chemical Processing – Applied in heat exchangers and high-temperature reactors.
🔹 Marine & Defense – Suitable for exhaust components and propulsion systems.

 

Synonyms

✅ Alloy 188
✅ UNS R30188

 

Health & Safety Information

⚠ Avoid inhalation of dust and fumes during processing.
⚠ Use protective equipment when handling to prevent exposure to fine particles.
⚠ Follow workplace safety guidelines for high-temperature alloys.

 

Production Method & Equipment

HAYNES 188 alloy rods are manufactured through precision melting, vacuum induction melting (VIM), and vacuum arc remelting (VAR) processes to ensure high purity and consistent mechanical properties. The rods are then hot-rolled, annealed, and precision-machined to meet dimensional accuracy.

 

Size & Customization

✔ Diameter: 9.5mm - 178mm (0.375" - 7")
✔ Length: Customizable based on application requirements

 

Certifications & Quality Assurance

✅ Conforms to ASTM, JIS, GB, EN, and BS standards
✅ Strict quality control measures, including chemical composition analysis and mechanical testing

 

Lead Time & MOQ

🚀 Lead Time: Varies based on order quantity and customization
📦 MOQ: Contact for details on minimum order requirements

 

FAQs

🔹 What temperature range can HAYNES 188 withstand?
HAYNES 188 is designed for use in temperatures up to 1095°C (2000°F) while maintaining excellent mechanical properties.

🔹 Can HAYNES 188 alloy be welded?
Yes, HAYNES 188 has good weldability and is commonly welded using TIG (GTAW) and MIG (GMAW) methods.

🔹 How does HAYNES 188 compare to other high-temperature alloys?
HAYNES 188 offers superior oxidation resistance compared to nickel-based superalloys and maintains stability at higher temperatures.

 

How to Choose the Product

When selecting HAYNES 188 alloy rod, consider:
✅ Required operating temperature
✅ Oxidation resistance needs
✅ Mechanical properties for the intended application
✅ Compatibility with welding and forming processes

 

Product Specifications

✔ Chemical Composition: Cobalt-Nickel-Chromium-Tungsten alloy
✔ Density: 9.14 g/cm³
✔ Melting Point: 1330-1410°C (2425-2570°F)
✔ Tensile Strength: ≥850 MPa
✔ Hardness: Rockwell B80-B90

 

Production & Quality Control

HAYNES 188 rods undergo:
✅ Strict melting and refining processes for purity
✅ Ultrasonic testing to ensure defect-free material
✅ Dimensional and mechanical property testing

 

Shipping & Delivery Information

📦 Packaging: Wooden crates or customized protective packaging
🚚 Shipping: Air, sea, or express delivery available
📅 Delivery Time: Based on order quantity and customization

 

Environmental Impact & Sustainability

♻ HAYNES 188 alloy is recyclable and contributes to sustainable material use in high-performance industries.
♻ Eco-friendly production processes minimize waste and emissions.

 

Maintenance & Care Instructions

✅ Store in a dry environment to prevent oxidation before use.
✅ Use proper machining techniques to avoid contamination.
✅ Follow industry best practices for handling and welding.

 

Contact Us

For inquiries, custom orders, or further product details, please get in touch with our sales team. 🚀

 

Chemical Composition

Element	Percent by Weight
Carbon	0.05 - 0.15%
Manganese	1.25% max
Silicon	0.20 - 0.50%
Chromium	20.0 - 24.0%
Nickel	20.0 - 24.0%
Tungsten	13.0 - 16.0%
Lanthanum	0.02 - 0.12%
Boron	0.015% max
Iron	3% max
Cobalt	Balance

Mechanical Properties

Yield Strength		Tensile Strength		Elongation
ksi	MPa	ksi	MPa	%
65	446	140	963	55

Physical Properties

Density	0.330 lb/in³ 9.14 g/cm³
Melting Range	2375-2425 °F 1300-1330 °C
Specific Heat	0.097 at 70 °F, Bru/lb °F 405 at 21 °C, J/kg °C
Permeability	1.0007 at 200 oersted
Coefficient of Expansion	6.6 0-200 °F, 10¯⁶ in/in • °F
Thermal Conductivity	84 Btu • in/ft² • h • °F W/wm • °C
Electrical Resistivity	613 ohm • circ mil/ft 102.0 microhm-cm

 

Hot Tags: haynes 188 alloy rod, China, suppliers, buy, for sale, made in China