2.4800
2.4800Chemical composition:
Ni | Mo | Fe | V | C | Si | Mn | S | P | Cr | Co | |
Min | Bal | 26 | 4 | 0.2 | ≤ | ||||||
Max | 33 | 6 | 0.4 | 0.05 | 1 | 1 | 0.03 | 0.03 | 1 | 2.5 |
2.4800Physical properties:
relative density | Melting point/℃ | Resistivity/μΩ·m(20℃) | Linear expansion coefficient/10~5m·(m·K)-1 | ||
20~100℃ | 20~200℃ | 20~300℃ | |||
9.24 | 1320~1350 | 1.35 | 11.2 | 11.4 | 11.5 |
2.4800Mechanical properties:
Species | Mechanical performance | |||
σb/MPa | σp0.2/MPa | δ/% | hardness(HRB) | |
Bar, 30mm, solid solution | 871.22 | 382.2 | 45.0 | 95 |
Plate, 3mm, solid solution | 902.6 | 388.0 | 60.0 | 92 |
Strip, 0.5mm, solid solution | 1000.6 | —— | 37.0 | 212HV |
Thin strip, 0.25mm, cold-rolled | 1774.0 | 9.2 |
2.4800Alloy properties:
The solid solution treatment state of this alloy is a supersaturated solid solution, and there will be intermetallic phases such as Ni₄Mo(β), Ni₃Mo(y), carbides such as Mo₆C and M₂C precipitated on the matrix and along the grain boundaries at medium temperature, which will have an adverse effect on the properties of this alloy.
2.4800Uses of alloys:
HuaNickel 2.4800 alloys can be used to produce plates, tubes (welded pipes), wires, strips, forgings and castings. The main use is resistance to hydrochloric acid corrosion. At the same time, the performance of moisture resistance HCl gas, sulfuric acid and phosphoric acid resistance is also very good. Therefore, 2.4800 alloy is mostly used in the manufacture of containers and linings resistant to the above media, pipes, tower slots, pumps, valves, etc. In addition, the cathode material for the manufacture of electron tubes made of ultra-thin strip and ultra-fine wire of 0Mo28Ni65Fe alloy has also achieved satisfactory results.
2.4800Process performance:
Welding process: HuaNickel 2.4800 alloy has good weldability, which is similar to general austenitic stainless steel, and can be welded by common methods in industry, such as TIG, MIG, manual arc welding, resistance welding, etc.
Heat treatment: Whether it is a deformed material or a casting, the state of use of HuaNickel 2.4800 alloy is generally a solid solution. Because at this time, the alloy has the best corrosion resistance, strong and toughness of the good combination.
Relevant standards:
UNS N10001、NS321/、NS3201