Which is stronger steel or titanium
Stainless steel vs. titanium
Stainless steel vs. titanium - differences and similarities
Stainless steel and titanium are often compared directly with one another, especially when it comes to jewelry and watches. But where exactly are the similarities and where are the differences? What distinguishes titanium, what are the advantages of stainless steel and what is titanium anyway? We are investigating these questions.
What is titaniumTitanium is a metal that is extracted from the ores "rutile" and "ilminite". First, these titanium ores are cleaned and then chemically treated. This creates the so-called "titanium sponge", which is then ground. In the next step, the ground ores are cleaned again with acid. Finally, the mass is pressed into a bar shape under pressure. Depending on the production, titanium scrap is also added to the titanium smelting process - similar to the stainless steel scrap used in the manufacture of stainless steel.
When welding the titanium rods, argon gas is added. The next product is a consumable electrode. In the electric arc furnace, this finally becomes a homogeneous titanium mass, which is remelted again.
After production, titanium has a density of approx. 4.5 kg / dm³ and is therefore still one of the light metals. On the other hand, titanium has high "taker qualities" and withstands short-term temperatures of up to 1,650 ° C. With its high thermal resistance, titanium is 12 times more resistant than aluminum.
Titanium is resistant to corrosion. However, the material becomes brittle or fragile at temperatures above 300 ° C because titanium absorbs oxygen, nitrogen and carbon. If titanium is heated to over 880 ° C, the structure changes. To increase the strength of titanium, it is reshaped when heat is applied. At the same time, alloys are used to increase stability. Because the purer titanium is, the softer it is.
Due to the high production costs, titanium is expensive to manufacture and is mainly used in a high-tech environment, e.g. in space travel or aviation as well as in medical technology (e.g. prostheses).
Titanium vs. stainless steel
- strength: Titanium is about as strong as tempered steel. Titanium retains its strength up to a temperature range of 200 to almost 600 ° C.
- tensile strenght: As with stainless steel, the tensile strength depends on the alloy. Both metals have a similarly high tensile strength.
- density: Titanium has a density of just under 4.5 kg / dm³. It is significantly lower than the density of stainless steel, which is around 7.9 kg / dm³. This makes titanium lighter than stainless steel.
- Melting temperature: Titanium melts from 1,660 ° C and is therefore more heat-resistant than stainless steel, which has a melting temperature of around 1,500 ° C.
- Corrosion resistance: Titanium resists chloride solutions, organic acids and sea water. Its corrosion resistance corresponds to V4A stainless steel.
- Magnetic: Titanium is not magnetic. Depending on the structure, stainless steel can also be magnetic.
How do I recognize titanium?
Titanium has different characteristics by which it can be classified:
- Look: Titanium looks similar to stainless steel.
- Weight: Titanium is almost half the weight of stainless steel and around 60 percent heavier than aluminum.
- grind: When titanium is ground, white sparks are produced.
- Glass sample: If you rub titanium over a wet glass, black traces will appear.
Incidentally, here we have put together all the tips on how to recognize stainless steel.
Titanium is too expensive for pipes or conventional components - stainless steel, on the other hand, is perfectCompared to stainless steel, titanium is characterized above all by its lower weight and similarly high level of robustness. However, titanium is many times more expensive than stainless steel. Anyone who relies on classic stainless steel pipes is in the right place when it comes to building or DIY. The use of titanium is not necessary here at all.
Do you need help choosing the right stainless steel product? Then feel free to contact us!
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