I am curious, you see a great deal of stuff about how the Katana was forged. There are even videos and documentaries on it. What about Chinese blades though? What was there method of heating and quenching? What ovens did they use? what did they quench in? What did they add to iron ore to make steal (carbon source)? I'd really like to do a bit of research here, if anyone can suggest, articles, books, or videos I can check out I'd appreciate it. I have an idea on what should go into making a good sword, different things on hardness and flexibility. where the suggested strength should be on the hrc scale etc. However I am curious as to how the traditional swords where made in China, how they improved and what properties where best for there respective CMA style.