Questions tagged [steel]
For questions related to the alloy steel: Its production, material properties and applications. The carbon content of steel is between 0.002% and 2.1% by weight for plain iron-carbon alloys.
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Astute-class submarine nose module shape
The nose module features a continuous ridge running along it's side. The rest of the hull has the typical "cigar" shape as other sub designs. (Q1) does the "ridge" have a proper ...
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Does yield point of steel depend on thickness?
I have two different plates of different thickness and I need to calculate yield point. Does yield point of steel plate changes with changing of plate thickness?
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Why do some tensile test samples fail before the expected final elongation
We tested several 1020 steel samples during my class' lab session last semester. during the test, one of the samples failed early, breaking at a strain of around 0.3 or 0.2, while the other samples ...
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Does galvanization protects mild steel from corrosion even it crack or scratch?
I need to protect mild steel (steel with low carbon) from corrosion even any crack or scratch on it. I searched on internet, I found recommendation like this:
Keep it clean,
Apply protective coatings ...
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Risk of corrosion putting aluminium shaft in a stainless steel bearing with frequent washdowns?
Should I worry about galvanic corrosion if using an aluminium shaft inside a stainless steel bearing in something that's going to be washed down frequently?
Considering I will press the shaft into the ...
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Effect of multiple alloying elements on steel's eutectoid properties
Mechanical engineering student here (the professor is not being helpful). When a single alloying element is added to a normal iron-carbon steel, the resulting changes in eutectoid temperature and ...
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How to connect / branch two metal wire cables at 90degree angle
I have a 1mm thick wire cable that's 200cm long.
Using the same cable, at 10cm intervals, I have to branch / tee off at 90degree angles.
Some sort of tee crimp / ferrule comes to mind as a last report,...
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What elements should I include in a manufacturing sketch?
I have created a model of a tea strainer in fusion 360 for this (https://www.taotealeaf.com/tao-tea-tumbler/) tea tumbler of which I would like to fabricate a prototype. I will most likely make it out ...
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Cutters: Cr-Ni, Cr-V, or Cr-Mo
I went to the hardware store to buy some new diagonal pliers/cutters and
noticed that a lot of manufacturers now stamp the type of steel alloy
near the pivot. My options were Chromium-Nickel, ...
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Dual Axle Tiny House Trailer Build; Question About Structural Integrity of Trailer Design
I have questions about the fabrication of a tiny house trailer I am building. The questions are focused primarily whether I am adding enough cross supports.
My overarching design principle:
That of a ...
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How to hurt someone protected by a full body armor? [closed]
For the purpose of a fantasy novel set in our era, I need to know how a full body armor (not a plate one,but more like Iron man, covering all the body without holes) can be pierced and by what weapons ...
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Is strip casting the same thing as continuous casting?
Web searches are surprisingly ambivalent on this question. In steel production, do strip casting and continuous casting refer to the same process?
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How should I customize screw threads in my CAD design?
I'm designing a small tea strainer in the shape of a cylinder that goes into a glass bottle, which is also shaped like a cylinder. Currently, I'm still designing it in Fusion 360, but I'm facing one ...
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How big should the gap between holes be in my CAD design?
I'm designing a small tea strainer in the shape of a cylinder that goes into a glass bottle, which is also shaped like a cylinder. Currently, I'm still designing it in Fusion 360, but I'm facing a few ...
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How to prevent water droplets from staying on stainless steel / glass surfaces?
I'm designing a small tea strainer in the shape of a cylinder that goes into a glass bottle, which is also shaped like a cylinder. Currently, I'm still designing it in Fusion 360, but I'm facing one ...
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Difference between tool steel and sheet steel?
I need to make very specific blade for a wood working project, and it requires I hone an edge on a piece of tool steel.
Naturally, no store near me sells "tool steel", but some home supply ...
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Designing a tea strainer: What should I do first?
I hate to ask a somewhat broad question, but here I am with no one else to turn to 😅. Specifically, my question is: What should I do first?
Let me explain the context to make my question a little ...
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Jibs fastening in a frame structure
I need to make a demountable frame for cycling trials:
I want to make it based on steel profile square tubes:
The design must have variable dimensions and slopes. I guess provide variable dimensions ...
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Can different stainless steel grades corrode each other in contact
I am planning an application in which two stainless-steel grades can come into contact with each other. Can the differences in the grades cause corrosion in hot oily environment where water cannot be ...
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How do I figure out what proportion of ferric chloride I use for etching 304 & 316 stainless steel?
I am trying to etch a Damascus ring (cold rolled 304 & 316 stainless) however I keep getting pits or a terribly light etch. So far I've tried:
415 chloric ferride with
1 to 3 water solution for ...
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Are the compressive and tensile stresses in the beams always equal?
If we examine the $example-1$ of cantilever beam 1 above, there will be shear force $Ft$ and moment $M$ that will keep the beam in balance statically. However, when we examine the strength, that is, ...
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How to remove oxide layer around stainless steel welds with household items
I have a stainless steel pot whose welds show the formation of an oxide layer. Colors around those welds range from gold to dark blue (see images below). The main question is: How do I remove those ...
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What is the easiest way to cut ~1000 steel rods - each one 1.5mm in diameter and 12" long - into ~6000 rods that are each 1.75" long?
Any ideas for tools and/or jigs that would be best to use for this?
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What grade of steel best suits this application?
Take a long, thin, straight wire with a circular cross section. Say, .5mm in diameter and 200mm in length. Hold the wire horizontally at one end (cantilever). What grade of steel would result in the ...
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rows of lights with steel rope (rigging wire) - 12 m between stainless pipe structure and concrete wall
Hello Engineering Stack Exchange.
I have been asked by a friend to hang some lights in a space beneath an arched bridge. The bridge is protected so no holes can be drilled into the arched stone; but ...
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How can a steel cylinder be parted in concentric rings with small gaps between them?
For a project, I have to part steel round stock, like the cylinder in Fig. 1, but not perpendicular to the symmetry axis (like a bread in slices) but in concentric rings 3 inch long and having the ...
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Cooling steel by putting it in water ; what is the final temperature
Below is a problem I made up and did. I am hoping that you will tell me that my solution is right.
Problem:
A $5$g piece of steel at $30$°C is placed in $400$ ml of water at
$20$°C. Assume that all ...
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Units of measurement for structural analysis
FEA engine
I'm using CCX finite elements analysis engine along with its pre- and post-processor CGX:
http://www.dhondt.de/index.html
https://github.com/calculix
Example
I'm looking at one example here ...
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Corrosion of Ice Auger Blades
I am wondering about corrosion of the steel blades on my ice fishing auger. The auger is used on fresh water lakes (ie no salt involved). I have traditionally brought the auger inside to melt the ice ...
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Steel designers manual -, formulae for rigid frame moments. What is the correct test to apply to the resulting values?
I'm trying to follow an example of calculation of members for a rigid rectangular frame in its most common form - a top member UDL, and an assumed lateral load the frame should be able to resist, ...
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What (standardized) naming is enough to completely specify a type of steel?
What (standardized) naming is enough to completely specify a type of steel? That is, the composition and properties.
Take for example 1.0037 S235JR. Are these two numbers linked/equivalent, do you ...
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Can High Wind Speed break Laminated Glass and bend Steel Pipes?
Planning on using Steel Pipes as frames for holding laminated glass in a high wind area. Four sides will be covered by glass and the roofing will be also be covered with glass. Planning on using a ...
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Dissimilar Metals In A High Heat Environment
Summary:
Have two pieces of metal (7075 Aluminum & 4140 Steel) that appear to have fused together.
Details:
Machined a Flash Hider for a rifle. Purpose was to direct all escaping gas forward, ...
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What is the force required to puncture through a sheet of foil against an anvil?
A hardened steel contour with a sharp edge presses against plastic foil which lies on top of a hardened steel anvil plate. What would be the force required to punch through the foil?
I am familiar ...
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How to improve the shear strength of a steel rod?
How can the shear strength of a steel rod be improved? The application I am thinking of is rods used to make bolts where we want the bolt to resist being sheared off after it is attached.
Some of the ...
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Consequential differences between World Trade Center (1973-2001) with steel columns and concrete columns? [closed]
How long would the World Trade Center (1973-2001) have stood after the large commercial passenger aircraft impact if the columns had been made of concrete?
The perimeter columns were steel according ...
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How to calculate max load on a custom hitch?
Non engineer here. I'm interested in a conservative calculation of max trailer load for existing frame members for a truck I have. The truck is rated at ~8800lbs towing when stock and with a ...
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Pull out force for a 5/8" tapped bolt
I am looking for the pull out force on a 5/8" bolt tapped into 1/4" thick tube steel.
Does the thickness of the steel need to match or be greater then the bolt diameter?
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How to calculate the magnetic force for metal on magnets?
I am currently trying to hold a metal block in place with the magnets shown in the layout below. These magnets are permanent magnets which both expose one of their poles on the top side as shown below....
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Correct approach for selecting and calculating welding parameters - MAG welding of carbon steel
What would be correct approach for selecting welding parameters for MAG (Metal Arc Welding) welding of carbon steel.
How to select information that will go in WPS (Welding Procedure Specification) ?
...
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Best material to prevent stainless steel wire abrasion (polyamide coated)
I have a 1.5mm diameter wire that must be pulled against the corner of a surface. The wire is made of stainless steel and coated with polyamide.
What is the ideal material to make corner of the ...
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Iridium carbides in high carbon stainless steel
Has there ever been any high carbon stainless steel made with iridium as one of the alloy components? Is there any research in this direction?
There is a paper from 2016 comparing various iridium ...
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What is the difference between AISI 1015 and SAE 1015 steel? Are they the same?
I've been trying to understand the differences between the AISI and SAE naming systems, but haven't been able to completely figure it out yet. It seems like sometimes they are considered the same, but ...
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One way locking mechanism linear movement
Sorry for the English in advance, it is not my native language :)
I am working on a design which involves moving two steel plates in a horizontal linear motion together to clamp around a box. After ...
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How is load bearing capacity of a leg of steel angle calculated?
Suppose a section of steel angle is used to support a structural beam, which would otherwise have no available bearing, as in the following sketch.
Assuming that appropriate connection/fixing on the ...
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How is the thickness of a steel plate underslung beneath a beam, to be calculated? (UK/EU)
A common way of providing bearing for concrete floor-beams above ground level, is to create a "slimflor" style steel element, comprising an "I" beam with a steel plate welded ...
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Max length of 12mm OD steel rod for CNC axis [closed]
Standard rod used for CNC guides, outer diameter: 12mm.
Material: Ck55 steel, hardened to 60 HRC (according to store)
What would be the maximum length I can have before the rod starts to bend?
The ...
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Bolted connection moment resistance
I'm reading the Steel Construction Institute book Moment-resisting joints to Eurocode 3.
In chapter 2, bolted beam to column connections using end plates are covered. For a connection with multiple ...
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Reinforced concrete by steel, poor durability, why?
I've been reading up about reinforced concrete, as it is one if not the cheapest way how to build (with some solid foundation). I found out that it actually has quite poor durability (50-100 years or ...
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The Cheapest Stainless Steel [closed]
I am going to make a spoon out of 80% iron and 20% chromium (by weight).
If I slowly lower the temperature from about 1700C (at which all is melted) to
room temperature, I believe it will finish as a &...
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