Top Grades
Home - Steel plate - X65 steel

X65 steel

 API 5L standard, we can regard X65 steel plate/pipes as large diameter pipes.
API 5L  X65 steel is a higher strength, tough, weldable steel for applications in the oil and gas industry.
API 5L  X65 steel Flange Steel meets fully the mechanical property requirements of the API 5LX X65 line pipe specifications whilst maintaining a high degree of toughness and weldability.

X 65 API5L Material#1.8975 Comparison of steel grades
DIN 17172 StE 445.7TM
EN10208-2    L450MB

X65 steel plate/pipes Chemical composition-% by  mass*

Grades Material number C max Si max Mn. mix P max S max
X65 1.8975 0.04-0.16 0.55 1.00-1.60 0.035 0.035

X65 steel plate/pipes Mechanical properties

Grade Permissible yield point ratio  Yield Strength MPa(min) Tensile Strength MPa Elongation % (min)
X65  ≤ 0.85    440 560 - 710     -