Help towards safety of pressures if your tinkering involves a barrel.
This PDF is no longer on the CIP's website, but the Internet Archive has it on the "wayback machine":
https://web.archive.org/web/20150723...e/A-4-1_EN.pdf
Help towards safety of pressures if your tinkering involves a barrel.
This PDF is no longer on the CIP's website, but the Internet Archive has it on the "wayback machine":
https://web.archive.org/web/20150723...e/A-4-1_EN.pdf
The C.I.P. guide above mentions type 1, 2, 3 and 4 steels, with Type 4 being the highest strength.
"Type 1 steel" is NOT mild steel, but is up to twice as strong as mild steel.