AISI 4145H 120 KSI Alloy Steel Bar for Drilling Collar, Drill Pipe, Square Kelly, Lifting Sub, Stabilizer
Размеры
Hot Rolled Round:dia.50-130 mm.
Forged Round: dia.100-1300 mm.
Технические условия поставки
EAF+LF+VD, Hot Rolled or Forged, Machined, Q+T, UT 100% Passed.
Характеристики
AISI / SAE 4145H grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good fatigue strength and impact toughness in low temperature, weldability and machinability.
Применение
This low-alloy steel is used in heat treated condition with 120 KSI minimum yield strength for oil and gas equipments of well drilling, wellhead, Christmas tree, etc.