What is the mechanical properties of SA387GR91 steel

SA387Gr91 steel is a chromium-molybdenum alloy steel grade, which has the functions of hydrogen embrittlement, hydrogen corrosion, hydrogen stripping, and sulfide corrosion in a hydrogen environment at medium temperature (350 ~ 480 ℃). It also has good low tempering brittleness. SA387Gr91 alloy steel plate is widely used in the manufacture of chemical fertilizers, petrochemicals, and thermal power plant equipment, such as synthetic ammonia reactors, coal gasifiers, shift furnaces, and hydrogenation reactors.
 
SA387 Grade 91 steel mechanical properties: tensile strength ≥585MPa yield strength ≥415MPa elongation ≥20%
 
Use of SA387GR91 steel: This material can be used as a high-temperature superheater for subcritical and supercritical boiler wall temperature ≤625, steel tube for reheater, and high temperature header and steam pipeline with wall temperature ≤600.

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