Petroleum and natural gas industries. Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock. Technical delivery conditions— 94 стр.
Petroleum and natural gas industries. Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock Technical delivery conditions— 98 стр.
Specification and qualification of welding procedures for metallic materials. Welding procedure test. Fusion welding of non-alloyed and low-alloyed cast irons— 26 стр.