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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2
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1answer
33 views

I have a small piece of stainless steel that I need to remove 1-2mm of material. The hardness is 200. What type of file do I need to get?

This is a part of a mounting system for an Olight pistol flashlight. The universal adapter that they include isn't so universal when it comes to a Canik handgun. I've talked to the people at Olight ...
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1answer
26 views

steel beam type and size for a clothesline

I have four posts in a square formation. Posts are also square. I want to bolt a beam between two posts on the left and a beam between two posts on the right, and than run some wire between the beams. ...
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1answer
44 views

What is the purpose of the steel plate in this coupler?

I've found a shaft coupler that has a steel plate in between, but it's not clear what its function is: If it is to add strength to the coupler, isn't the coupler as strong as the weakest link, i.e. ...
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1answer
26 views

What are good color coatings for a steel surface?

I need to decide upon a color coating for a steel surface. This will be a grill top accessory and will be in contact with flames. I would prefer a black/brown coating color. I was considering teflon ...
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2answers
42 views

Soapbox - GoKart material - Bamboo or steel?

I am building a soapbox (go kart) and I am planing on what materials I could use for the frame and the chassis. I have thought about using bamboo or steel. Steel is normally the go to material when ...
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2answers
17 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?
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1answer
136 views

Could a bolt this size actually be used on a project?

could there ever be a structure that would require something like this?
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2answers
65 views

How much weight can this aquarium stand hold?

I purchased this aquarium and stand secondhand, and a few people I’ve spoken to have been suspicious of the stand’s ability to hold the aquarium when filled with water. The tank holds roughly 55 ...
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2answers
24 views

Electric Arc Furnace Steam Production

How much steam is emitted from an electric arc furnace in a unit of time? I have not been able to find any data on this which is strange considering the amount of water that is used to cool an ...
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0answers
11 views

Why does my, with RFEM simulated crosssection (class 3) fails at M_pl and not at M_el

I have designed a steel-plate with the c/t-Ratio of 124. The plate is a replacement system for a web. So the plate is 8,1 mm thick and 1000 mm wide. This implies, that the W_el=1343,33 cm³. The yield ...
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1answer
18 views

Overextending and cutting a coil spring

This is related to my recent question Can I weaken a coil spring consisting of spring steel?. The answer here could create an additional answer there, but I do not expect that. The difference to that ...
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0answers
18 views

Good resources (textbooks) with steel S-N curves?

Looking for S-N curves for common gear materials (steel, cast iron). Are there any sources with multiple materials compiled together? Currently cobbling some charts but they're more inconsistent than ...
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8answers
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Can I weaken a coil spring consisting of spring steel?

I have a steel coil spring that is used by compression. It is too strong, and I would like to reduce its strength by some fraction, ideally keeping its length. Reducing it to roughly half would be ...
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1answer
54 views

Simple steel column buckling calc - where am I going wrong? (Eurocode)

I'm trying to follow an example of this, but I get a wildly different answer than expected and I can't see where I'm going wrong. The example I've got, is for a 2.8 m steel column (RHS 150 x 100 x ...
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4answers
102 views

Which post would be stronger?

Just a quick question for you. Well hopefully. A contractor has installed a retaining wall with colorbond fence on top. In the contract he stipulated that he would use 65mm x 65mm x 1.6mm powder ...
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1answer
94 views

Orthogonal to Orthoradial reinforcement

Most of finite element calculations are performed with an orthogonal mesh (Cartesian coordinate system). From this calculation, we get two values of required steel area per linear meter: $Ax, Ay$ ($cm^...
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2answers
692 views

What are the design difference of a steel tank that would withstand 136atm inside and 1atm ambient compared to 1atm inside and 136atm ambient?

Let'say the steel tank would be submerged deep in the ocean with 136 atm ambient pressure then the other tank with the same material would just be used to contain 136 atm pressure. How would the ...
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1answer
383 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 ...
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1answer
39 views

How to size a rectangular steel tube to hold certain weight?

I would like to build a shelf (1m width and 0.5m depth) using only four rectangular steel tubes on for legs. Each legs are at the end of the rectangular tube. I would like to put 500kg on the tubes, ...
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1answer
48 views

Plate thickness for repair of completely corroded web

The web of a H-section column has been completely corroded at the air-moisture interface with the concrete encasement leaving a hole in the web. The proposal is to break out the existing concrete and ...
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1answer
109 views

How do I calculate the compressive strength of a wall?

I literally just have a thin steel wall that stands vertically with a load on top. The thin edges of the wall are oriented vertically with the load applied on top of the top thin edge, with the large ...
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3answers
63 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 ...
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2answers
35 views

What is the Brinell hardness of ATSM A786 steel?

This steel is often used as a floor plate. I could not find the Brinell hardness rating.
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0answers
60 views

Calculating thickness of steel rod to support x weight?

I am building a workout area and would like to include a pull-up bar. So I have two 6"x6" wood beams planted in the ground 10 feet apart and will drill holes through them and place a steel bar through ...
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1answer
26 views

Steel tube wall thickness for moving a machine

I need to move a machine, approx weight of 900Kg I will put 3 tubes under the machine and roll the machine on the tubes Holidays season, all industrial suppliers are closed around me and only have ...
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1answer
35 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 ...
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0answers
21 views

Will a cyclic heat load transform my martensitic steel? How fast?

I have a plunger - that I'm using for glass forming - made out of a martensitic steel. Glass is at 1000°C and since martensite is a metastable phase, should I expect the properties of my plunger to ...
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1answer
59 views

How do old wind turbine towers pickup magnetism overtime?

I was conducting some robotics tests on a old wind turbine today, and noticed strong magnetic fields around the steel tower. This magnetic field does not exist on other modern wind turbines at the ...
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0answers
36 views

When were the japanese yellow/white/blue/silver paper steels introduced?

The steel series called kigami/shirogami (yellow/white paper steel, high purity carbon steels in different grades), aogami (blue paper steel, a tungsten alloyed tool steel series), aogami super (a ...
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1answer
44 views

Is there a way to avoid reheating of steel billets in Reheat furnace and directly go from casting to roll milling?

Iron ore and few compounds added will result in steel which are casted to steel billers form. this billet is again reheated to melting point of 1200c and then sent to roughing mill for desired shape. ...
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1answer
33 views

RHS column profile able to replace 3m UC 152x23 column?

I'm having some work done in the UK (Eurocode) which involves a steel column to support a beam at 1st floor (US: 2nd floor?) level. The column bears a very-close-to-vertical total load of 47.3kN (...
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2answers
77 views

Is a 1/8" AR400F steel plate strong enough, for 4,000 lbs?

I have a Ford F350 cab & chassis and a gooseneck trailer. For the gooseneck hitch I want to use a steel plate. The steel plate will be BOLTED to the frame, above the rear axle And the gooseneck ...
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2answers
70 views

Influence of a diagonal fold on a web + double fold situation

I need to build a steel frame with a steel web in it, as illustrated below. Flanges of the frame will be welded, as well as the web, along its whole perimeter. Would adding a diagonal fold to the web ...
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2answers
238 views

Can a plate under bending be designed using its plastic section modulus?

I am designing an end plate connection. My lecture notes show its bending capacity is calculated using elastic section modulus. For class 1 I-beams, we can use its plastic section modulus. I wonder ...
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2answers
72 views

Need Help to Remove Sway from Steel Post + Glass Panels

I have spanned ~15' with 2x 10mm tempered glass panels. They're connected in the middle with a 1.5" x 1.5" 16-gauge, 316 stainless steel post filled with concrete. This post has a 316 base welded on ...
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0answers
41 views

Possible improved approaches to 6mx3m moment-resisting frame with eccentricity+torsion, in advance of detailed engineer discussion

I'm putting a steel frame in, to "open plan" the rear of a brick cavity-wall terrace house in the UK, which will then have a single storey extension added behind it. I have already retained a ...
2
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2answers
179 views

What does the D stand for in the steel grade 16MND5

I would like to know what does the "D" means in steel grade 16MND5. According to the standard EN 10027: 16 means 0.16 % C MN 5 means 1.25 % Mn (5 must be divided by 4 to get the Mn mass fraction) ...
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1answer
270 views

what actually cause quench cracking ? non-uniform cooling or rapid cooling?

It’s well known that quenching most alloyed steels starting from AISI 4140 to high speed steels in water, brine , or sometimes oil will cause cracking and distortions. in industry oil quenching ...
3
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1answer
210 views

How to measure the unbraced length of lateral torsional buckling for negative moment in a W-shape steel beam?

I have a W-shape steel beam that is fixed-fixed and the top flange is fully braced for lateral torsional buckling. The negative moment at the end controls the design and there is no lateral bracing ...
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2answers
164 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 ...
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1answer
60 views

Is there is vanadium-free high speed steels?

Vanadium is present in all high speed steel grades. unfortunately vanadium not only very expensive but is also a will known cytotoxic metal. some workers get severe persistent cough lasts for months ...
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0answers
44 views

STEEL CONNECTIONS

Hi, so, would you consider the connection detailed here as fixed or pinned during your structural analysis?
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0answers
35 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....
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1answer
60 views

A Steel post and base question

I make solid curved wood furniture and frequently need something like a metal plate (1/8") with a (3/4" about) supporting pipe attached at 90 degrees. Welding is a little too cumbersome but I was ...
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0answers
60 views

How much (uniformly distributed) weight can this L beam support without bending? [closed]

As you can see in the picture, the L beam is 1in x 1/2in x 1/8in thick x 72in long and is made of ASTM A36 steel. It's bolted onto a vertical upright on both ends. What is the maximum uniformly ...
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1answer
163 views

How thick does my stainless steel table top need to be?

I need to construct a table that will hold a water tank. The filled tank will weigh up to 1300 pounds. I have the table leg frames worked out to hold 2500 pounds so no worries there. (Here is a link ...
2
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1answer
173 views

Compression members with moment to BS 5950-1:2000

According to clause 4.8.3.2 the cross-section capacity for non-slender section is: $$\frac{F_c}{A_g p_y}+\frac{M_x}{M_{cx}}+\frac{M_y}{M_{cy}}\leq 1 \qquad (1)$$ According to clause 4.8.3.3.1 ...
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1answer
32 views

Creep / cold flow SS304 vs A514/T1

I made a pallet lift table out of 1/4" SS304 and now have about 5x the deflection that beam calculations predict. I noticed that the machine was shipped supporting a 500lb pallet. I thinking a few ...
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1answer
140 views

How can I calculate the maximum load of a steel box section frame?

Is it possible to calculate the maximum load of the steel structure shown in the image using its dimensions?
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1answer
159 views

With which parameter can you specify whether a metal is ductile or brittle

I have to do a durability approval of feather key (shaft-hub connection) and the formulas are dependent if the shaft respectively the hub is ductile or brittle. But what is the decision about to say ...