Perfect Diver Magazine 15 issue

Page 54

a r c h a e o l og y

Surgery, Disappearing Wrecks and Big Money Text and photos MACIEJ SZCZEPAŃSKI

Whenever a surgeon reaches for a scalpel or a patient undergoes an MRI scan, there is a high probability that both of these tools were made from steel that dates back more than 70 years.

I

t all connects to the late period of WWII, when the Americans used an atomic bomb for military purposes for the first time. Steel manufacturing has not changed much from

that period, the Bessemer process was replaced with the BOS (basic oxygen steelmaking) process, although the air (oxygen in case of BOS) in both is obtained from the atmosphere. However, unlike today, air used in pre-war steel was not saturated with radioactive particles. For this reason such steel, which possesses better properties and durability, is desired all over the world for manufacturing such products as specialist surgical equipment or novelty items, like Böker knives manufactured from steel sourced from the wreck of the German battleship

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KMS Tirpitz. Another sought metal is phosphor bronze1, which

to the fact that the law prohibits salvaging wrecks designated

was used for propellers, among other things.

as war graves.

Growing value of “old” steel is responsible for the increasing

However, there are also companies that do not care for

problem of marine looting. Companies with legal approvals for

these laws and salvage steel from the bottom of the seas and

salvaging wrecks comply with all legal standards. They salvage

oceans all over the world. In recent years many fishermen and

steel from wrecks specified in their contracts – mainly from

sailors on the Java Sea and the Pacific have been reporting un-

vessels deliberately sunk by their crew or destroyed through

marked vessels with rusting pieces of metal on board. In 2017

scuttling at Scapa Flow, shortly after World War I. This is due

the combined forces of the Indonesian and Malaysian author-


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