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Are Chinese bullet casings made of steel? Why not copper?
It was in these years that the shells began to be recycled, and some of the steel shells at the shooting range were not recycled
The shortage of copper in the country is extremely serious, and it can be seen from history that since the Song Dynasty, the number of copper coins has been seriously insufficient, and the Ming Dynasty is even more lacking copper coins as currency, and the gap has even affected the economic policy and monetary policy of the entire Ming Dynasty.
Historically, dynasties had to implement the silver standard not so much as the silver standard. If copper production is large enough, I believe that each dynasty will be able to live an additional 50 years.
Copper is expensive, iron is cheap. Another point, the rabbit who suffers from the late stage of the phobia of insufficient firepower, a little expensive "good copper to be used on cannonballs", the burning stick of the big-headed infantry, with a little painted steel shell meaning, the sky will give you a little copper-clad steel.
Of course, the steel is not good, the steel is too hard and easy to get stuck, and the wear and tear of the robbery is greater. We use steel mainly because we are poor. Now there are also steel and copper attached to it.
Yes, many countries have developed, and Germany has mass-produced and equipped the army, but it has not been tested by war, because the world has been generally peaceful in recent decades.
However, fundamentally speaking, this kind of caseless bullet cannot take away the heat generated by the fired bullet, and the continuous shooting is easy to accumulate heat, and the accumulated heat will cause the bullet to be ignited by the residual heat of the barrel after the heat accumulation exceeds the limit, so that the gun can shoot uncontrollably
One shot is not enough, hit a hundred. Besides, which soldier said that his marksmanship can shoot one at a time, there is no difference between hitting the head and hitting the heart.
In a thousand words, we lack copper in China, not steel.
Judging from the network price, there are 60,000 or 70,000 tons of copper and more than 4,000 tons of steel bars, and the difference in cost can easily cover the benefits of copper