4J59 is a non-magnetic fixed expansion iron-manganese alloy, also known as non-magnetic fixed expansion alloy. It is mainly composed of elements such as iron and manganese, and has special thermal expansion properties and non-magnetic properties. The main feature of non-magnetic fixed expansion iron-manganese alloy is that its thermal expansion coefficient is very close to zero, that is, no obvious dimensional changes will occur when the temperature changes. This makes its application in some special fields very important.
Specifications | In stock, can be customized according to customer requirements |
Form | Bar |
Classification | Expanded alloy |
Alloy | C | P | S | Si | Mn | Ni | Cr | Fe |
4J59 | 0.06 | 0.020 | 0.020 | 0.5 | 30～32 | 6～7 | 5.5～6.5 | balance
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DC magnetic permeability of 4J59 alloy under different magnetic field strengths
Magnetic field strength/(kA/m) |
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4 | 8 | 12 | 16 | 24 | 32 | 40 |
Magnetic permeability μ/(mH/m) |
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0.0012515 | 0.0012516 | 0.0012517 | 0.0012517 | 0.0012517 | 0.0012517 | 0.0012517 |
Alloy | Tensile strength σb/MPa | Elongation δ/% | Shrinkage ψ (%) | Elastic modulus E/MPa | Elastic modulus E/MPa |
4J59 | 560 | 42.6 | 78.4 | 193875 | 153 |
Non-magnetic fixed expansion iron-manganese alloy is widely used in the field of precision instruments and meters. In these areas, precise measurement and control are crucial, and thermal expansion can interfere with measurement results. Instruments and gauges made from non-magnetic fixed expansion alloys can maintain stable dimensions at different temperatures, thereby improving measurement accuracy.
4J59non-magnetic fixed expansion iron-manganese alloy has important application value in the fields of precision instruments, instruments, and aerospace. Its special thermal expansion properties and non-magnetic properties make it an indispensable material that plays an important role in ensuring measurement accuracy and structural reliability.
The manufacturing process of stainless steel and alloys involves multiple steps to transform raw materials into flat,rectangular sheets or plates made of stainless steel and alloys. Here are a few key steps for stainless steel and alloys:
Molten stainless steel and alloys are cast into large ingots or billets through a casting process.
During the hot rolling process,the thickness of the steel ingot is gradually reduced and elongated to form long strips or coils.
Annealing involves heating stainless steel and alloys to a specific temperature and then slowly cooling it.
Cold rolling is carried out through rolling mills to reduce thickness to meet customer specifications.
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