We offer API 5L X70 steel plate/pipes as large diameter pipes:
1.Equivalent grades:
DIN 17172 StE 480.7TM , EN10208-2 L485MB
2.Chemical composition: Si :≤0.55 C:0.04-0.16 Mn:1.1-1.7 S :≤0.035 P :≤0.0.35
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Mechanical properties:
Tensile Strength σb(MPa) :600-750
Yield Strength σ0.2(MPa): ≥ 480
Permissible yield point ratio: ≤ 0.85 -
Characters :
X70 steel plate/pipes is one mainly of Steel for large diameter pipes,API-X70 steel with the demands in mechanical properties of the pipes followed the API specification for grade X70 (YS is 485MPa, TS is from 600-750 MPa).API-X70 steel is well known that a low carbon bainitic microstructure offers an excellent combination of strength and toughness.
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