Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes, Process Plant and Tanks; Pipes with Quality Specifications, Technical Conditions of Delivery— 4 стр.
Seamless Tubes in Unalloyed Steels for Supply Purposes, Process Plant and Tanks; Tubes with Quality Specifications, Technical Conditions of Delivery— 4 стр.
Testing of rubber; determination of tensile strength at break, tensile stress at yield, elongation at break and stress values in a tensile test— 7 стр.