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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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If building a DIY screw jack, would it be beneficial to add a gimbal to the jack nut, and/or to the screw attachment?

The screw jack will be used twice daily. It will be made out of M24 8.8 grade threaded rod and nut. The nut will travel 300mm, to raise a weight of 50kg by 800m, via a pivoting lever arm. The parts ...
Russel Walker's user avatar
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How would you go about the steel columns being adjacent where an expansion joint is expected?

The building is a steel building with a composite slab. The expansion joint is required because the building is 60m in length. The problem is where the expansion joint is expected, the columns are ...
Yafet Bouchagra's user avatar
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How can I mount this plate on a Steel Beam?

As mentioned in the question, I am looking for a method to attach this mounting bracket to the flange of a steel beam that permits effortless removal and remounting without permanent fixation.
tesla's user avatar
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Buckling length of continuous steel H columns in multi story buildings

I have seen that steel columns in multiple story buildings span multiple stories, in that case how do you calculate the buckling length for the column? do you take the whole column's height, or just ...
Yafet Bouchagra's user avatar
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1 answer
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Steel cable trolley, best practices and weight limits

I asked "AI" to confirm metrics from other sources and it gave numerous formulas and dubious answers, none of which inspired confidence. The goal is to set up a cable system to transport a ...
Captain-Science's user avatar
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Vibrating hollow sphere

I would like to make a hollow sphere that can vibrate like a tuning fork. It should go like this: Place the sphere on a table Strike the sphere with something like a spoon The sphere vibrates (...
Riemann's user avatar
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1 answer
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Designing a tea strainer: Plastic vs stainless steel

Some time ago, I finished designing a tea strainer and I had a prototype printed from a certain heat resistant type of plastic (https://xometry.pro/de/materialien/standard-heat-resistant-pc-artig/) ...
Andrew Jackson's user avatar
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34 views

Dimensional stability of tool steel when hardening

I am trying to figure out how to make dimensionally accurate cutters to use in a shaper. They should be suitable to cut part of a circle into 17-4 and 4150, the circular part cannot be turned on a ...
David Carpenter's user avatar
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What does "dc" stand for in this Positive Bending Moment for Plastic resistance of a composite concrete slab formula?

I'm designing a building with a composite slab with profile sheeting and steel structure, while trying to test the resistance of the composite slab in "composite phase" to bending moment I ...
Yafet Bouchagra's user avatar
2 votes
0 answers
35 views

What KB means in 38NiCrMo4 (KB)?

I've been dealing with an engineering drawing that has a material called 38nicrmo4(kb) in Italian UNI standard. It appears that it is equivalent of 36crnimo4 in DIN or commercially named VCN100. In ...
2012User's user avatar
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Conflicting steel strength Vs temperature graphs, NIST NCSTAR vs Engineering Toolbox

This graph is from NIST NCSTAR 1-6C And this graph is from the Engineering Toolbox. As you can see, neither the NIST yield or tensile curves match with the ET structural steel curve. Why? And which ...
Abdullah is not an Amalekite's user avatar
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0Deformation/Compression of Mild Steel for Compressor Blades

I am in the process of constructing a linear compressor for the propulsion system of a small UAV. To manufacture the compressor blades and give them their required airfoil shape, I intend to first ...
VSS Defense's user avatar
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What is the acid flow rate (range) in steel pickling when the sheet is immersed in the pickling bath

What is the acid flow rate (range) in steel pickling when the sheet is immersed in the pickling bath and how to find out the steam required to heat the pickling liquor
Sanjula Sengupta's user avatar
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As a Chemical Engineer, please tell me what is the rinsing temperature in steel pickling process and why is the rinse water heated

I want to know what is the ideal temperature required for rinsing the steel sheet in steel pickling process and why is rinse water heated, why not water at room temperature or cold water used to clean ...
Sanjula Sengupta's user avatar
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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 ...
Toufique's user avatar
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1 answer
67 views

Why marine steel is not always used in cooking applications

What are the main reasons why marine steel such as 1.4404 (316L) grade is not solely used in cooking and kitchen applications? Other than cost possibly? Why other grades such as 1.4301 (304) are so ...
Imsa's user avatar
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1 answer
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Can electric furnaces be used for steel production from ore?

The transition towards climate neutrality is a big political topic in Germany. One claim that is often made but typically only handwaivingly explained (if at all) is that we need (green) hydrogen. I ...
Martin Thoma's user avatar
2 votes
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130 views

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 ...
Ionkz's user avatar
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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?
Akshay Wagdole's user avatar
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4 answers
82 views

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 ...
asker's user avatar
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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 ...
AirCraft Lover's user avatar
1 vote
1 answer
132 views

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 ...
Oliver Walters's user avatar
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1 answer
136 views

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 ...
MaplePanda's user avatar
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1 answer
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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,...
David jones's user avatar
1 vote
2 answers
202 views

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, ...
bobuhito's user avatar
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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 ...
Gary's user avatar
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1 answer
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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 ...
user42866's user avatar
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1 answer
43 views

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?
artist_and_not_EE_by_training's user avatar
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1 answer
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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 ...
Andrew Jackson's user avatar
0 votes
2 answers
35 views

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 ...
Cerin's user avatar
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2 answers
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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 ...
Andrew Jackson's user avatar
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0 answers
30 views

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 ...
Vladimir Bershov's user avatar
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0 answers
50 views

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 ...
Imsa's user avatar
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0 answers
32 views

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 ...
Rilcon42's user avatar
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1 vote
1 answer
220 views

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, ...
Bilgehan Yılmaz's user avatar
0 votes
1 answer
88 views

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 ...
Big X's user avatar
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0 votes
2 answers
56 views

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?
user10264746's user avatar
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0 answers
25 views

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 ...
Joey Peluka's user avatar
0 votes
2 answers
60 views

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 ...
Robert Werner's user avatar
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1 answer
44 views

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 ...
Bob's user avatar
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1 answer
108 views

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 ...
Megidd's user avatar
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0 answers
58 views

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 ...
Grouseman's user avatar
1 vote
0 answers
32 views

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 ...
jessegerritsen's user avatar
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1 answer
38 views

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 ...
TurbulentSecret's user avatar
0 votes
1 answer
36 views

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, ...
B. Varner's user avatar
2 votes
1 answer
131 views

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 ...
jessegerritsen's user avatar
1 vote
2 answers
237 views

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 ...
Wallace Park's user avatar
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1 answer
107 views

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 ...
H2ONaCl's user avatar
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0 answers
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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 ...
Joe B's user avatar
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0 votes
2 answers
850 views

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?
mark's user avatar
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