All Questions
19
questions
0
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0
answers
13
views
British Standard Steel BS5S82 propagation properties
I am looking for propagation data for the BS5S82 material (case hardened). I checked in MMPDS and ESDU but to no avail. does anyone know where I can find this data? Or at least similar materials in ...
- 1
0
votes
2
answers
2k
views
Can stainless steel be used in continuous high temperature environment (500°C to 850°C)
Can i use stainless steel as a furnace roof. Furnace temperature will be max upto 850°C. If so which ss grade will be the best in this situation. Thanks
- 1
11
votes
9
answers
3k
views
Aluminum weight saving
"Aluminum saves weight! Its 3 times lighter than steel!"
Also its 3 times weaker and 3 times softer. When comparing stiffness and strenght to weight ratio, aluminum isnt any better than ...
- 119
0
votes
1
answer
45
views
Production methods for AC mains power plug pins?
What are the production processes and steps involved in producing a mains powered device that plugs into a standard mains socket (like a smart plug for example). Mains plug pins are usually made of ...
- 196
1
vote
2
answers
109
views
Elongation values for materials
According to EN standards, elongation for each material type has been defined, and it varies with different range of thicknesses for the same material. Why is it so? How is this value calculated?
- 11
5
votes
2
answers
9k
views
Calculating shaft diameter
I'm designing a circular shaft that's going to carry a spread radial load of about 200kg and also transmit a 160Nm torque. I'm not very familiar with materials but what I'm guessing I'll be able to ...
- 193
-1
votes
3
answers
636
views
Press brake tooling for 360 tube?
I’m trying to find out if it’s possibly to form a cylinder or tube with a diameter of 1 inch using some kind of curling die for a press brake. I’ve seen dies that make small 360 degree bends like that ...
0
votes
1
answer
41
views
Carefully attaching Pt-wire to mild/carbon steel surface
Problem:
I have a near 100% Pt wire (25 AWG / D ≈ 0.45mm) that I would like to attatch to a cold rolled steel (E235 / EN 1.0308) surface. Assume this surface is flat.
Goal:
Keep wire attached to ...
7
votes
2
answers
241
views
Can high alloy tool steels be quenched in brine?
It is will known that most of tool steels are quenched in oil to prevent cracking and distortion which appears when quenching in water due to non-uniform cooling caused by formation of insulating ...
- 81
1
vote
1
answer
116
views
Are there is vanadium-free high speed steels?
Vanadium is present in all high speed steel grades. Unfortunately vanadium is not only very expensive but is also a well known cytotoxic metal. Some workers get a severe persistent cough lasting for ...
- 81
1
vote
0
answers
36
views
Does speed matter while one steel part is pressed into another?
If one press some steel part into steel hole to get unsplittable assembly, does this operation speed matter? Is it better to hit by hammer, or to slowly jam with vice? Does it relate to steel type (e....
1
vote
0
answers
27
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Why shouldn't dark area analysis be used to estimate carbon content on high carbon hypoeutectoid steels?
I had this thought with me for quite some time, that you can't use the usual formula for estimating carbon content on a Nital etched hypoeutectoid sample (DarkArea*0.77) if the steel obviously has ...
0
votes
1
answer
357
views
DOM MILD Steel ASTM A513 Type 5 Tube
How can the DOM MILD Steel ASTM A513 Type 5 Tube be improved for corrosion resistance.
it has a low but good welding and machinery ability but if we want to improved the material for corrosion ...
- 121
4
votes
1
answer
93
views
Do the steels 1.4404 and 1.4571 look the same?
A contractor delivered three components, all are supposed to be in 1.4571. Part A is actually done in 1.4404 / (X2CrNiMo17-12-2) (according to pretty conclusive documentation). Part B is allegedly ...
- 4,791
0
votes
3
answers
2k
views
Does heat treating steel change its Thermal Expansion Coefficient?
Given two identical samples of heat treatable steel in both composition and geometry, if one of the pieces is annealed or hardened would there be a measurable difference in their thermal expansion ...
- 101