Wear Resistance: AISI 1074/75 VERSUS 304 2B Annealed Stainless

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In summary, the conversation discusses the factors that contribute to wear resistance in different materials. It is mentioned that higher carbon content and alloying can increase wear resistance, but it is important to consider the specific alloying elements and their effects. The conversation also references various resources and research on gall resistance and the role of different elements in achieving it. Ultimately, the choice of material for a specific application should consider the operating environment and the desired properties.
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JohnM77
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Can anyone here tell me which of these two materials would have a greater resistance to wear?
Can anyone here tell me which of these two materials would have a greater resistance to wear? I understand that higher carbon content generates greater hardness, which provides relatively higher wear resistance. And alloying can increase wear resistance -- but I'm not sure how to directly compare these two particular materials.

Any insights you can offer are sincerely appreciated.
 
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:welcome:

Can you be more specific? Alloy what with what?
 
  • #3
anorlunda said:
:welcome:

Can you be more specific? Alloy what with what?

My bit of research indicates that typically nickle and chromium alloying elements can increase wear resistance (in addition to general carbon content). Basically, any atom of a different size than the general lattice causes the lattice to resist movement, thereby producing hardness/wear resistance.

I think, based on carbon content alone (.80% vs .08%) the 1075 steel will exceed the stainless in wear resistance. Just looking for other insights/opinions. Thanks!
 
  • #4
Annealed 304 would have poor gall resistance, and higher carbon steel would have greater resistance. Add chromium is typically done for corrosion resistance, and nickel for toughness and austenitic stability.

Consider that in some applications, fracture-critical members must possesses high- strength, corrosion resistance and galling resistance.

Refer to - https://www.carpentertechnology.com/en/alloy-techzone/technical-information/success-stories/two-galling-resistant-stainless-steels-used-for-bridge-hinge-pins

Some high nitrogen steels are gall resistant.

See also - https://www.nickelinstitute.org/med...lingcharacteristicsofstainlesssteel_9006_.pdf

See also - Development of a gall-resistant stainless-steel hardfacing alloy
https://www.sciencedirect.com/science/article/pii/S0264127518300273Alternatively - https://www.osti.gov/pages/servlets/purl/1471842

Nitromax - https://www.skf.com/binary/57-81516...g-service-life-with-NitroMax---10126_1-EN.pdf

One must consider the operating environment when selecting an alloy.
 

Q: What is the difference between AISI 1074/75 and 304 2B annealed stainless steel?

The main difference between AISI 1074/75 and 304 2B annealed stainless steel is their composition. AISI 1074/75 is a high carbon steel with a carbon content of 0.70-0.80%, while 304 2B annealed stainless steel is a low carbon steel with a maximum carbon content of 0.08%. This difference in carbon content affects the hardness and wear resistance of the two steels.

Q: Which steel is more wear resistant, AISI 1074/75 or 304 2B annealed stainless?

AISI 1074/75 is generally considered to be more wear resistant than 304 2B annealed stainless steel. This is due to its higher carbon content, which results in a harder and more durable steel. However, the specific application and conditions in which the steel will be used can also affect its wear resistance.

Q: How does the annealing process affect the wear resistance of these steels?

The annealing process involves heating the steel to a high temperature and then slowly cooling it, which allows for the formation of a more uniform and fine-grained microstructure. This can improve the wear resistance of both AISI 1074/75 and 304 2B annealed stainless steel by increasing their hardness and strength.

Q: In what applications are these steels commonly used?

AISI 1074/75 and 304 2B annealed stainless steel are both commonly used in various industrial and commercial applications. AISI 1074/75 is often used in tools, springs, and blades, while 304 2B annealed stainless steel is commonly used in food processing, chemical processing, and medical equipment.

Q: How do these steels compare in terms of corrosion resistance?

304 2B annealed stainless steel is known for its excellent corrosion resistance, particularly in acidic and marine environments. AISI 1074/75, on the other hand, is more prone to corrosion due to its higher carbon content. However, both steels can be further treated to improve their corrosion resistance, such as through the use of coatings or passivation processes.

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