سوال شما ناقص هستش منظور از سختی چیه؟!
ما چهار نوع مقاومت داریم ۱- مقاومت فشاری ۲- مقاومت کششی ۳- مقارمت برشی ۴- مقاومت ضربه ای
Carbon Steels have a carbon content up to 2.1 percent by weight, a yield strength of 260 megapascals (MPa), and a tensile strength of 580 MPa. They score about 6 on the Mohs scale and are extremely impact-resistant.
Maraging Steels are made with 15-25 percent nickel and other elements (like cobalt, titanium, molybdenum, and aluminum) and a low carbon content. They have a yield strength of between 1400 and 2400 MPa.
Stainless Steel, with yield strength of up to 1,560 MPa and a tensile strength of up to 1,600 MPa, is made with a minimum of 11 percent chromium and often combined with nickel to resist corrosion.
Tool steels (used to make tools) are alloyed with cobalt and tungsten
لینک زیر مطالعه کنید هر کدوم کامل نوشته :