Do you know the difference between Iron and Steel?
Types of steel bars mild steel bar,TMT,TMX,HYSD,CRS,SD,TOR || Full forms ,key features 🔥🔥🔥🔥
1mm溶接について知っている人はほとんどいません
Galvanization
電気溶接を学ぶ最も速い方法は垂直溶接です
この巻尺機能を知っている人はほとんどいません! 巻尺の隠された機能
Electrode E7018 and E6013 stick welding | welding tricks
Difference Between Pig iron, Wrought iron, Cast Iron, And Steel - An Overview.
Melting Point Of Different Metals
stress strain curve explained with tensile test.
beginner welder mistakes, secret technique of welding galvanized thin metal
Different Types of Reinforcement Bars for Construction Projects.
Bolt grade explained
Difference between Yield Strength and Ultimate Strength
Tensile Testing
very few people know, the welder's trick is to make the weld stronger in thin metal | pipe cutting
Types Of Metal with Pictures And Names In English|Understanding Metals
Dirty TIG welding solution ! Why don't professional welders talk about this?
5 Main types of Welding Electrodes
6013垂直電気溶接のトリック