Is 4140 plate alloy steel or carbon steel ?
4140 plate is a kind of alloy steel plate, according to ASTM A29. The the 4140 plate alloy steel has chemical composition
4140 plate is a kind of alloy steel plate, according to ASTM A29. The the 4140 plate alloy steel has chemical composition
DIN 1.2738 steel grade is one common and popular steel grade. It is widely used as mold steel. But what is 1.2738 steel equivalent ? Some customer don't know it for sure. 1.2738 steel equivalents are P20+Ni or 718H at BaoSteel
Recently, a lots of customer asked the same question ? What is the difference between 1.2738 and P20 ? Actually, both are plastimc mold steel, and all could be supplied here.:) Chemical composition: Sometimes, you can understand as 1.2738=P20+Ni. It means when add 0.9%-1.2% Nickel it makes 1.2738 steel. Property: both 1.2738 and P20+Ni steels [...]
Some customers usually ask for the stock material of 4140 steel plate. We have wide range of 4140 steel plate, from 3.5mm to 300mm thickness. Then how many tons of 4140 steel plate stock we have ? Usually, we would keep 5~20 tons each size, for example, 5 tons for 8mm thickness plate, 16tons for [...]
In this video, you could see the process of jominy end QT hardenability test.
The steel grade BS970 823M30 is equivalent to DIN 30CrNiMo8. You can refer to the post about 30CrNiMo8 steel round bar.
Wr. 1.7225 is DIN/EN standard steel grade. Some customers confuse the grade 1.7225 and 42CrMo4. So, Is Material 1.7225 same to 42CrMo4 ? According to DIN EN standard EN10083 latest version, 42CrMo4 is the steel name while 1.7225 is the steel number. So, both refers to the same materials.
What is 42CrMo4 Tensile Strength of Q+T ? To achieve high tensile strength, 42CrMo4 could be (quenching and tempering) Q+T heat treated. Check in for the details.
What is the Common 42CrMo4 Heat Treatment Condition ? DIN 42CrMo4 steel is usually supplied as rolled, annealed or Q+T condition.
What is chemical composition of 42CrMo4 steel ? Accroding to EN10083 standard the chemical composition is as below......