Hastelloy G-30, also known as Alloy G-30, with the UNS designation N06030 and W. Nr. 2.4603, is a high-chromium nickel-base nickel-chromium-iron alloy known for its exceptional resistance to a wide range of corrosive environments. This alloy offers excellent resistance to oxidizing acids, such as nitric acid, and reducing acids, including hydrochloric and sulfuric acids. It is particularly suitable for applications involving phosphoric acid production, pollution control, chemical processing, and waste treatment due to its outstanding corrosion resistance properties.
Whatsapp:
+8615900526263E-mail:
sales@cocessalloys.comChemical Composition
|
Nickel (Ni) |
Balance |
|
Molybdenum (Mo) |
4-6% |
|
Copper (Gu) |
1-2.4% |
|
Chromium (Cr) |
28-31.5% |
|
Iron (Fe) |
13-17% |
|
Cobalt (Co) |
5% max. |
|
Tungsten (W) |
1.5-4% |
|
Manganese (Mn) |
1.5% max. |
|
Silicon (Si) |
0.8% max. |
|
Carbon (C) |
0.03% max. |
|
Phosphorus (P) |
0.04% max. |
|
Sulfur (S) |
0.02% max. |
|
Columbium+Tantalum (Nb+Ta) |
0.3-1.5% |
Physical Properties
|
Density |
lb/in3 |
8.22 g/cm³ (0.297 lb/in³) |
|
Electrical Resistivity |
RT |
45.7 μohm.in (1.16 μohm.m) |
|
Thermal Conductivity |
RT |
69 btu.in/h.ft2 .°F(10 W/m.°C) |
|
Mean Coefficient of Thermal Expansion |
86-200°F. |
7.1 μin/in.°F |
|
|
30-100°C |
15.3 μm/m.°C |
|
Dynamic Modulus of Elasticity |
RT |
29.3 x 106 psi (202 GPa) |
Mechanical Properties
|
Temperature |
Yield strength |
Tensile strength |
Elongation |
|||
|
0.2% Offset |
Rm |
A |
||||
|
°C |
°F |
MPa |
Ksi |
MPa |
ksi |
% |
|
20 |
68 |
275 |
40 |
690 |
100 |
40 |
Hastelloy G-30 is commonly used in a variety of applications due to its exceptional corrosion resistance properties. Some typical applications include:
1. Chemical Processing: Hastelloy G-30 is utilized in various chemical processing applications, including handling of phosphoric acid, sulfuric acid, nitric acid, and other aggressive chemicals.
2. Pollution Control: The alloy is employed in pollution control equipment and systems where resistance to corrosive gases and liquids is essential.
3. Pulp and Paper Production: Due to its resistance to corrosive chemicals used in pulp and paper production, Hastelloy G-30 finds applications in this industry.
4. Waste Treatment: It is used in waste treatment facilities and equipment where resistance to corrosive environments is crucial for long-term performance.
5. Industrial Processing: Hastelloy G-30 is also employed in various industrial processes where its resistance to a wide range of corrosive substances is required.
Specifications for Hastelloy G-30 include the following:
|
Bar and Rod |
Seamless Pipe and Tube |
Welded Pipe and Tube |
Plate, Sheet, and Strip |
Forgings |
Fittings |
|
ASTM B 581/ASME SB 581 |
ASTM B 622 / ASME SB 622 |
ASTM B 626 /ASME SB 626, B 619/ SB 619 |
ASTM B 582/ASME SB 582 |
ASTM B 564/ASME SB 564, B 462/ SB 462, B 472/ SB 472 |
ASTM B 366/ASME SB 366 |
Standard product forms of Hastelloy G-30 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at sales@cocessalloys.com for full information.
