Hangbo Alloy Group offers a diverse range of materials, including round bars, steel plates, strips, seamless pipes, forged products, and wire. Below is a detailed overview of HASTELLOY G-30:
Detailed Introduction to Hastelloy G-30
Hastelloy G-30 is a nickel-chromium-molybdenum alloy designed for exceptional resistance to pitting and stress corrosion cracking in a variety of corrosive environments. It is particularly effective in handling strong oxidizing media, including nitric acid and various chlorides, making it ideal for chemical processing applications.
This alloy's unique composition allows it to withstand harsh conditions, including high temperatures and the presence of chloride ions, providing enhanced durability compared to many other alloys. Hastelloy G-30 is often used in environments where other materials may fail, due to its superior resistance to both localized and general corrosion.
Equivalent Grades by Country:
• ASTM: UNS N06030
• DIN: NiCrMo-30 W.Nr.2.4603
International Standards for Hastelloy G-30 Products
The following table outlines the applicable standards for Hastelloy G-30 in various forms:
Product Form ASTM Standard
| Plate,Sheet&Strip | ASTM B582 |
| Round Bar | ASTM B472, ASTM B581 |
| Seamless Pipe&Tube | ASTM B622 |
| Welded Pipe&Tube | ASTM B619,STM B626 |
| Forging | ASTM B462 |
| Fittings | ASTM B462 |
Chemical Composition of Hastelloy G-30
The chemical composition of Hastelloy G-30 is summarized in the following table:
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 30.2 – 47.2 |
| Molybdenum (Mo) | 4.0 – 6.0 |
| Iron (Fe) | 13.0-17.0 |
| Chromium (Cr) | 28.0-31.5 |
| Carbon (C) | ≤ 0.03 |
| Silicon (Si) | ≤ 0.80 |
| Manganese (Mn) | ≤ 1.50 |
| Cobalt(Co) | ≤ 5.00 |
| Tungsten(W) | 1.5-4.0 |
| Copper(Cu) | 1.00-2.40 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.020 |
| Nb +Tantalum(Ta) | 0.30-1.50 |
Physical Properties of Hastelloy G-30
Key physical properties of Hastelloy G-30 are outlined in the table below:
| Property | Value |
|---|---|
| Density | 8.22 g/cm³ |
| Melting Point | 1350 - 1390 °C |
Material Characteristics
Hastelloy G-30 is characterized by several key properties:
• Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in oxidizing environments.
• High-Temperature Stability: Maintains mechanical integrity and resistance to corrosion at elevated temperatures.
• Weldability: Suitable for welding using common techniques, facilitating ease of fabrication.
• Versatility: Effective in various chemical processes and industries requiring corrosion-resistant materials.
Applications of Hastelloy G-30
Hastelloy G-30 is utilized across various industries, including:
• Chemical Processing: Equipment such as reactors, heat exchangers, and piping systems handling aggressive media.
• Pharmaceuticals: Applications requiring high corrosion resistance in the production of active pharmaceutical ingredients.
• Oil and Gas: Components in upstream and downstream processes, particularly in environments with corrosive substances.
• Environmental: Systems for waste treatment and management, especially where chemical exposure is a concern.
