Analysis of mechanical properties and melting composition of API2HGr50 steel plate

Mechanical properties of API2HGr50 steel plate:
API2HGr50 tensile strength σb(MPa):≥785
API2HGr50 yield strength σs(MPa):≥590
API2HGr50 elongation δ5 (%):≥12
API2HGr50 section shortening rate ψ (%): ≥50
API2HGr50 impact energy Akv (J): ≥ 47
API2HGr50 impact toughness value αkv(J/cm2):≥59
API2HGr50 sample standard: the sample blank standard is 20mm

Chemical composition of API2HGr50 steel plate:
Sulfur S: ≤ 0.035
Phosphorus P: ≤ 0.035
Cr: 0.80 - 1.10
Nickel: Ni ≤ 0.030
Copper Cu: ≤ 0.030
Mo: ≤ 0.015
Titanium Ti: ≤ 0.020

API2HGr50 steel implements API Spec 2H-2006, which is the standard of American Petroleum Association and certified by CCS / DNV / ABS / GL / LR / BV / RINA / NK / KR classification society.

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