The larger parts, even though only 2" thick, have more thermal mass than the 1" rounds. This can lead to slightly slower cooling rates after austenitizing, which may affect the final microstructure and result in a slightly harder surface. You might try adjusting the cooling process or...
Is the fitting in contact with regular drinking water or salt water?
If it’s drinking water, brass is usually the better choice since it has good antibacterial properties and is more cost-effective. I’d recommend C36000 (Free-Cutting Brass) for that.
But if it’s for saltwater or acidic...
I agree that ASTM A128 Hadfield manganese is an excellent choice due to its suitability for impact and abrasive conditions. However, it is also advisable to consider using austenitic manganese-nickel steel and chromium-molybdenum alloy steel (AISI 4140/4340) for such applications...
I think it should be possible.
Stainless steel is resistant to corrosion and oxidation.
The durability of stainless steel means that it does not require frequent coating or repair. Perhaps all you need to do is clean and inspect it regularly...
It is very likely.
Excessive current can overheat the weld, causing a wider and more fluid weld pool. This can lead to poor fusion, undercutting, or excessive penetration, all of which weaken the joint and may cause failure in a bend test.
The interpass temperature for 309L electrodes is...
The high surface hardness, possibly caused by surface hardening techniques like quenching or induction heating, may result in a relatively softer core. A large hardness gradient can lead to brittle fracture under high-stress conditions. This is especially true when the component is subjected to...
I think you should consider switching to more corrosion resistant fasteners, such as duplex stainless steel or fasteners designed for coastal environments.
Or you could add a corrosion-resistant coating to the material. For example, use a powder coating on galvanized steel, or a marine grade...
Although the bolts did not fracture, the reduction in torque and plastic deformation may indicate that the material's microstructure has been affected.
It is recommended to perform a dehydrogenation treatment after cleaning to reduce the risk of hydrogen embrittlement...
The initial material's cobalt content must still be low, as these techniques cannot completely eliminate cobalt if it is already present in high amounts. Using Co-limited scrap is essential to ensure low cobalt levels from the start...
Here are some key points and some specific data you need to consider in relation to stainless and carbon steels with which you may be familiar:
Yield Strength: Inconel 625 is a material with a yield strength of around 414 MPa; that's about 215 MPa for common 304 stainless steel and carbon steel...
While AISC does not provide specific lamination repair rules, the repair is generally possible under certain conditions. However, the final decision should be made based on a detailed assessment by a structural engineer and in line with the project's safety and performance requirements...
