You can donate three times a year to the red cross (once every 112 days). According to some page, you donate around 10% of your blood volume each time.
That means, for a volume equivalent of 300 people, you'd need to donate 3000 times, which would take around 1000 years.
The vampire is going to need more people, or to keep a person alive 1000 years with vampire magic.
When you're harvesting the blood iron of your enemies you don't have time for ethics. A controlled study managed 4 weeks within ethical boundaries, maybe we can cut that in half unethically. So 14 days, 3000 . 14 = 115 years. So when you torture two people, you could manage to do 58 years. Better start early!
You're off on blood production. "Safe" would be once every six to eight weeks for a pint. Plasma can be taken a lot more often. The red blood cells take a while to replenish.
But let's get real. You're not concerned about your enemy feeling well. Force them to take iron supplements and take a pint every other week. They'll likely stay alive that way. Fuck em, right?
Id love to see the math on the amount of iron in a person's blood, because I find it HIGHLY questionable that there's enough iron in only 300 people to make a full iron sword. I'm too lazy to do it myself though.
Steel requires only iron and up to about 2% carbon
Rest are minor alloying elements used mainly in modern steel alloys to improve the steel beyond what just carbon steel could do like for example stainless steels
Your link says these are elements commonly found in steel, not that they are all required. In fact it says of phosphorus and sulphur that they are generally undesirable.
We don't need to make a steel sword, an iron sword could do.
Either way you would definitely need carbon, but as you say that's pretty easy. I don't think any of the other elements are absolutely required.
Steel requires only iron and up to about 2% carbon
Rest are minor alloying elements used mainly in modern steel alloys to improve the steel beyond what just carbon steel could do like for example stainless steels
Those are all of them, but that's for a lot of different types of steels. You don't have to have all of those metals to make steel. You really just need iron and a tiny bit of carbon. A few of your ingredients help with purity, and the rest are additives for different steel properties you may want. Like a touch of nickel for stainless steel.
You only need iron and carbon the rest is already alloyed steel. You can definitely make a good blade out of only iron and carbon, it won't be stainless, it might be difficult to harden just right, but it will be flexible and hold a keen edge if forged right. The smiths of ole dealt with nastier steels containing all kinds of things making it worse, not better (such as excessive amounts of sulphur and phosphorus) so I'd say they'd manage.
Well, the non-metals and Manganese are way more available than iron anyway (probably molybdenum too). But it will be really difficult to create high-quality steel.
Listen. If they used surplus blood to do this (blood that was expired) and then held a raffle at the end of each year where all blood donors were entered to win a knife or sword made from the expired human blood iron, I bet they'd see blood donations skyrocket.
After completing all these steps, the result was a little anticlimactic and disappointing. But still, I realized there was one thing left to do: taste it.
ok, but humans also regenerate blood, very slowly but it does happen. So theoretically, you could contract your family members to draw blood to be used to make a longsword out of your family's bloodline. And have it become an heirloom.
I was curious how long it would take to make a sword out of your own blood. If my math was correct(it probably isn't lol) the human body contains around 4.7 to 5.5 liters. And then you can apparently donate like 470 millileters every 8 weeks.
So take 4.7(assuming the smallest people) X 300 = 1410 L total blood
1410(total needed) / 0.47(donation amount) = 3000 donations X 8 weeks = 24,000 / 52 = 461.54 years
You know there’s a writer reading this meme somewhere: here; where ever it came from; where ever it will be reposted; and adding it to the story they are working on. Wonder where we’ll come across it first?