Steel Definition and 802 Threads

Hey! Been doi some coursework from a text but can't seem to find any solutions so don't know if I am even remotely close to the right answer. Q. A steel ball can float on water due to the surface tension effect. a) Determine the maximum diameter of a steel ball that would float on water...

does anybody know of bearing steel that can absorb shocks , and could you help me with its composition and its physical properties like tensile strength, specific gravity, malleability , etc regds

Hi, I'm looking for the magnetostrictive properties of bright mild steel (C = 0.15). I'm especially interested in its elongation vs magnetic field strength curve. I've been looking everywhere and can't seem to find any data. Currently I'm busy with my engineering thesis on pulse-echo...

Homework Statement A crane consists of a crane arm which is held in place and moved by strong steel cables. The crane arm is a truss structure, which is a rigid framework of quite thin steel beams welded together, forming many triangles. The cables are made of steel and they are not one...

How are atoms inside a steel arranged? Ussually we can get the data about the mass share of different elements of steel and the lattice type. But the lattice only tells us where an atom is situated, not the type of the atom. Can we tell anything about the type of the atom at a certain...

Hi everyone I work for a very small company, which produces steel products. Predominately from one particular hot rolled steel profile. (1040 grade) We currently subcontract our hot rolling to small chinese operators :( I know... At this stage our volumes are not large enough to warrant...

Can anyone please help me with a question re the minimum size square steel pipe needed to bear a load. I loved physics but never took mechanical engineering. I am rigging a winch to one end of a pipe to lift a static load (holding up a gangway temporarily to repair). The gangway weighs around...

Homework Statement A 17.85 cm diameter, 32.4 cm tall steel cylinder (ρsteel=7900 kg/m3) floats in mercury. The axis of the cylinder is perpendicular to the surface. What length of steel is above the surface? Homework Equations vsub/vobj=(ro)obj/(ro)liquid The Attempt at a SolutionA...

I have a removable gooseneck semi-trailer (RGN) I am going to stiffen it to hold a higher capacity. 30 ton to 45 ton. This hauls large equipment. (yellow iron) I know from experience what to use and how to do it. Is there some one here that can do the calculations and make a drawing of the...

HI I am a research student working on high frequency behaviour of inductive couplers. I am looking for BH loops of steel from various frequencies (dc-1MHz) range. Can anybody provide this data ? Thanks in advance Faisal

I have two questions about carbon steel. How does the carbon content of steel effect the rate of corrosion? Apart from providing strength to the steel, how does carbon effect the properties of steel?

Homework Statement A steel drum contains oil with a density of 0.712 and is standing on one of its ends. It has a diameter of 66cm and its height is 1.98m. The plate it is rolled from is 1.2mm thick and has an E=200GPa. It also has an ultimate strength of 510MPa. Homework Equations...

A one liter cylinder is filled with 0.1 mm steel beads and the void volume is measured. A one liter cylinder is filled with 1 mm steel beads and the void volume is measured. A one liter cylinder is filled with 10 mm steel beads and the void volume is measured. Which bead size has the greatest...

Is there any way I can find out the properties [without having access to the beam itself] of the ASTM A997 beam without subscribing to ASTM? Specifically what I am interested in is the weight per foot. Thanks in advance for any help.

a steel bar 1 " sauare 6 ' long is to be used as a column.ends are free to rotate put may not be displaced stress is limited to 30,000 psi. i believe my teacher expect conform code AISC.

Homework Statement A steel wire in a piano has a length of 56.8 cm and a mass of 5.0 g. To what tension must this wire be stretched in order that the fundamental vibration correspond to the note of middle C (f = 261.6 Hz)? Homework Equations u*(f2L)^2 = F The Attempt at a...

We use a 10v a.c. signal through to a small steel sensor (SMO 254) in wastewater - and the control device looks for a conductive path to ground to determine that the level of liquid is over the sensor. We don't use d.c. because of the electrolysis effect - but the circuit we use could have a...

I have a bolt (13 kg) of stainless steel (1650 cm``). How much will this weight in sea water? Thank you in advance!

Is stainless steel magnetic?

Hi, Suppose an infinitely long round bar made of steel of 25 mm diameter, which is traveling at a speed of 10 m/sec. The bar is at a temperature of 950 degrees Celsius. I need to find out how much water (liters per minute or liters per second) do I need to put in contact with the bar in order...

Hi guys, i have been searching for ages to get figures for the proof or yield strength of EN1A steel, which is now known as 220M07 as per BS970. I have managed to obtain the Tensile strength, but would anyboday please be able to help point me in the right direction to data for the yield or...

Homework Statement A 11.2m long steel been is dropped from a height of 9.51m. The horizontal component of the Earth's over the region is 18.5x10^-6T. What's the emf in the beam impact just before the impact with the earth, assuming its long dimension remains in a horizontal plane, oriented...

Hi guys, I'm having trouble tracking down some material information for this steel, E9310. It's listed in the Aerospace Structural Metals Handbook under Ultra High Strength Steel. AMS specifications include: 6260J 6265F 6267B I have quite a bit of data for it, but I'm looking for a...

Hi, I have some Bright Zinc plated shelves which are currently being stored at 0-1'c. Over a period of 6 months they have become extremely rusty. How has this happened? Please help...

Hello, I am searching for the properties of Carbon Steel S355J0, can anyone help me out? N360

Hey everyone, I was tinkering with a battery, wire and such earlier, and I discovered something odd. :bugeye: I had a steel? wire and I placed the ends onto the terminals of a D battery for a time, and obviously, it warmed up. But I also had a thing that played a recorded music track when two...

A steel wire of length 5.0m and radius 0.300 mm is knotted to another steel wire of length 5.0m and radius 0.10 mm. The ires are strethed with a tension of 150 N. How long does a transverse wave pulse take to travel the distance of 10 m from the beginning of the first wire to the end of the...

a steel ball, starting from rest rolls down one slope and up another. it takes 2.5s to reach the bottom of the first slope, at which point its speed is 5.0 m/s. if the magnitutde of the acceleration on the second slope is exactly one-half that on the first slope, how long will it take for the...

Hi, I´m looking for a table for stranded steel cable mechanical properties where I could find for a particular diameter of cable (and possibly strand arrangement) which is the corresponding yield strengh. Or do I necessarily have to go for ASTM A1023 standard to get this data? Thanks.

Homework Statement A steel plate has a circular hole with a diameter of 1.000 cm. In order to drop a Pyrex glass marble 1.003 cm in diameter through the hole in the plate, how much must the temperature of the system be raised? (Assume the plate and the marble always have the same temperature)...

the question is:- calculate the resultant increase in lenth of a 5m long roof tie rod made of 25mm diameter steel when subject to a tensile load of 80 KN. (assume E=210KM/mm2) does anybody know how to solve this or what the calculation is that i got to use? help apprecited thanks in advance!

I'm trying to get a better understanding of they heat dissipation properties of these two materials. Understanding that there are many different kinds of nylon and steel, what are some general rules of thumb? Thx.

hi , i am newbie here and reading through i find it ... stimulating.. now as to what brought me here.. i have wanted to look into art form of acid etching different knids of tempered steel used in stainless knife blades.. does anyone there know what mask coating will take a fine line...

Homework Statement 2 bullets of the same mass are fired at the same velocities. One hits a wood block, and embeds itself. One hits a steel block, and bounces off. Both blocks are on a frictionless table. Compare the two blocks speed after. Homework Equations The Attempt at a...

I posted this in another section and haven't receive any feedback so I thought I might have it in the wrong section. Thanks in advance for any help. I'm at little rusty on my heat transfer and could use some help. I'm trying to calculate the approximate time to freeze standing water in a...

I'm at little rusty on my heat transfer and could use some help. I'm trying to calculate the approximate time to freeze standing water in a 18inch steel pipe. I have some parameters and made some assumptions and they are: The pipe is 18inch carbon steel The standing water is initially...

Homework Statement The bottom of a steel "boat" is a 7.00 m x 8.00 m x 5.00 cm piece of steel (rho-steel=7900 kg/m^3.) The sides are made of 0.540 cm-thick steel. What minimum height must the sides have for this boat to float in perfectly calm water The Attempt at a Solution I...

I've heard a saying that some fighters in blackmarket boxing could do this incredible thing. Is that true? Do you have any detailed proof of that? Aren't their legs made from protein?

Hey everyone. I'm doing some impact testing, and I'm dropping a steel ball from different heights to test the strength of different materials. How would I go about finding the impact area of the steel ball on the surface? Thanks! edit: also, does area matter? would I be better off rating...

Okay I am not sure if this is going to make sense to you but please work with me. If i had a rectangular frame of t304 stainless steel 90 feet long and 102 inches wide with supports holding it off the ground at each corner and one support on each 90 foot side in the middle, so theyd be 45 feet...

Does anyone know where I might be able to find the specific heat capacity of steel (in English units)? Thank you!

Homework Statement A string or rope will break apart if it is placed under too much tensile stress. Thicker ropes can withstand more tension without breaking because the thicker the rope, the greater the cross-sectional area and the smaller the stress. One type of steel has density 7890 kg/m^3...

Hi I have a problem I want to find the mass of a hollow cylinder which is made of steel, the sylinder diameter is 2.5m, the length is 4m, then I have done my calculations as follow: Volume of the cylinder = Лd²/4 x h = 19.635 cubic meters Mass of cylinder = volume x denisity...

Hi, I know the following properties for steel, Tensile Strength = 135000 psi Yield Strength = 130000 psi Elongation in 2 inches = 16% minimum Reduction in Area = 50% minimum Hardness (Rockwell C) = 29 - 34Rc So from above properties I need to calculate the Elastic modulus & Poisson's...

Homework Statement A circular steel wire 1.91m long must stretch no more than 0.0024m when a tensile force of 450N is applied to each end of the wire. What minimum diameter is required for the wire? Homework Equations p=\frac{F}{\Delta A} The Attempt at a Solution I can't seem...

hello, i am currently going over past exam questions to further my knowledge in as physics when i came across this old question which i don't quite understand, a length of steel and a length of brass are joined together. This combination is suspended from a fixed support and a force of 80n is...

http://img395.imageshack.us/img395/6158/steelballxu7.gif A 35 g steel ball bounces elastically on a steel plate, always returning to the same maximum height h = 20.8 m. a) With what speed does the ball leave the plate? b) What is the magnitude of the total change in momentum of the...

Hello there, I have a supplier in Turkey making a part for me,which is a small threaded bar(30mm) with a smooth domed head(kinda like a bullet with threads up the side).I was hoping to use 330 stainless steel which is what the part is currently made from.Our supplier is finding it hard to...

How to 'produce' martensite and bainite? For what i know, martensite formed by rapid cooling from austenite phase of steel, and slow cooling to form back to it's original state. But in order to form bainite, what's the cooling rate? intermediate between rapid and slow cooling? How rapid and...

Is Chrome or Stainless Steel resistant to corosion by salt and/or acid?