- Domestic and foreign bulletproof steel plates FD16, FD53, FD54, FD56, FD79, FD95 types, characteristics and applications 1. Introduction to bulletproof steel plates Bulletproof steel plates are generally used in bulletproof protection and explosion-proof projects, such as shooting range equipment. ..
- Senjuntaj ŝtalaj pipoj Senjuntaj ŝtalaj pipoj estas faritaj el tuta metala peco, kaj ne estas kudroj sur la surfaco. They are called seamless steel pipes. According to the production method, seamless pipes are divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, jac...