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Depending on what test you are talking about...
Hardness can be tested by a device that divots the metal with a calibrated point and measures the force required to make a certain depth divot. Also it can be roughly tested by a set of files that have varying hardness. If the file cuts the steel, its harder than the steel.
Structure testing (checking for cracks) can be done by a process called "Magnaflux" which creates a magnetic field in the piece, and filings are sprinkled on it. The filings will indicate the place where the crack is, because the crack makes opposing poles of magnetism in the piece. Another way is called "Dye Penetrant" in which a fluorescent dye is introduced to the surface of the metal and allowed to penetrate the cracks. The rest is washed off with a solvent, which can't remove the dye in the cracks, which show up under black light.
There are literally thousands of tests that can be carried out on a piece of steel, so its hard to answer this generic question, but those are the two most common practical tests I can think of.
What else can I help you with?
What is impact tested carbon steel?
By the ability of the material of carbon steel, its called as IMPACT tested carbon steel
How is steel tested to make sure it is safe?
how is steel tested to make sure it is safe to use
What is WPL6 grade?
This Grade is associated with ASTM A420 for pipe fittings manufactured of Wrought Carbon Steel. WPL6 is a normalized grade of carbon steel that has been Charpy Impact tested at -50 degree F for use in low temperature service. See Also ASTM A333 Grades 1 and 6 (for pipe) and A350 LF2 for flanges.
How does D2 toolsteel compare to S7 tool steel?
D2 tool steel is a steel, tool steel. For cold rolled steel, D2.
What kind of welding do the boilermaker should know?
The ability to stick weld is critical to the Boilermaker. It is done on mild steel and stainless alike and in all positions. Though less overall time is spent doing so, the boilermaker must also be able to heli-arc. Again, this is done on mild steel and stainless in all positions. Some high-volume jobs will require the use of a "squirt gun". A boilermaker's welds are regularly tested (at least during their apprenticeship) to assure quality of work. Many jobs are X-Ray tested making the perfection of each and every weld a must.
What is impact tested carbon steel?
By the ability of the material of carbon steel, its called as IMPACT tested carbon steel
How is steel tested to make sure it is safe?
how is steel tested to make sure it is safe to use
Which stress is used during the tensile test of mild steel?
During a tensile test of mild steel, the bar is tested until it breaks. It measures how much stress the mild steel can take before it finally breaks under the pressure.
What is the current price of stainless steel?
Current price of stainless steel as of May 24 2011 in the United States is around 70 cents per pound. There are various types of stainless steel such as 304, 316 etc. 304 stainles steel scrap will pay you less at the scrap yard then 316 stainless steel. Always know or have tested your stainless steel scrapbefore selling to the recycling yard.
Can liquid be tested by magnetic attraction?
No, liquids cannot be tested by magnetic attraction. Magnetic attraction is typically used to test solid objects containing magnetic materials, such as iron or steel. Liquids do not have magnetic properties that can be detected by a magnet.
How do you test aluminum?
The main test for aluminum is by using a magnet. Aluminum is not magnetic. If a steel is tested and the magnet clings to it then that is a good indication that it is not aluminum.
What though several types of broom bristles have been tested the most effective type for removing rubber off the airfield surface is a?
steel broom
Was the steel from the Twin Towers shipped to Japan?
yes its was so it could be melted down and recycled. it was shipped out very quickly and many people believe it was so it couldn't be tested and examined.
Which is correct tested dermatologically or dermatologically tested?
Dermatologically tested, I think.
What is the different between EH36 and EH36-Z35 steel plate?
Eh-36-35Z is just regular EH-36 plate that has been Impact tested in the "Z" direction at typically -40 F.
How can you tested an hypotesis?
A hypothesis can be tested by an experiment
Is almay tested on animals?
no its not tested on animals
