Q370R boiler and pressure vessel plates

Thread Content

Introduction to steel plates for boilers and pressure vessels: Q370R1, Q370R. Q370R boiler plates, Q370R pressure vessel plates, Wugang Q370R, Q370R after normalizing, price of Q370R. Q370R is a type of steel plate used for boilers and pressure vessels; “Q” denotes the yield strength, “370” represents the yield value in MPa, and “R” indicates that it is steel intended for use in vessels. Q370R steel plates are suitable for use as pressure-bearing components in boilers and their accessories, as well as in medium and low-temperature pressure vessels, with thicknesses ranging from 3 MM to 200 MM. Q370R boiler normalizing, Q370R 2, Q370R manufacturing method, Q370R boiler steel plates, Q370R pressure vessel plates, Q370R Wugang, Q370R normalizing, Q370R price. 2.1 The steel is produced by oxygen converters or electric furnaces. 2.2 The compression ratio of the continuous casting slab shall be not less than 3. 3 Q370R execution standards: Q370R boiler steel plate, Q370R pressure vessel steel plate, Q370R from Wugang, Q370R normalized version, price of Q370R. Q370R is a type of steel plate used for boilers and pressure vessels, and it complies with GB713-2014. 4 Q370R delivery condition, Q370R boiler plate, Q370R pressure vessel plate, Q370R Wugang, Q370R normalized, Q370R price. Q370R delivery condition: normalized. 5 Dimensions, shape, weight and allowable tolerances of Q370R 5.1 The dimensions, shape, weight and allowable tolerances of the steel plate shall comply with the provisions of GB/T 709. 5.2 The allowable deviation for thickness is in accordance with Class B deviation of GB/T 709. 6 Packaging, Marking and Quality Certificates for Q370R: The packaging, marking and quality certificates of Q370R steel plates shall comply with the provisions of GB/T 247. 7 Chemical composition of Q370R: Q370R boiler plates, Q370R pressure vessel plates, Q370R from Wugang, Q370R after normalizing, price of Q370R. Grades, chemical composition (mass percentage)/%: C, B, Si, Mn, Cr, Ni, Mo, Nb, V, P, S, Al. For Q370R: ≤0.18, ≤0.55, 1.20–1.60, 0.015–0.050, ≤0.025, ≤0.015. 8 Mechanical properties and processability of Q370R: Q370R boiler plates, Q370R pressure vessel plates, Q370R from Wugang, Q370R. Grades, condition at delivery, plate thickness in mm, tensile test, impact test, bending test. Tensile strength Rm/(N/mm2), yield strength aReL (N/mm2), elongation A/%, temperature/℃, V-notch impact energy Akv/J: 180 ± b = 2a; values should be not less than the specified values. For Q370R after normalizing and tempering: 10–16, 530–630, 370; 20–20, 34; d = 2a. For temperatures >16–36: 360; d = 3a. For temperatures >36–60: 520–620, 340. 9 High-temperature mechanical properties of Q370R: Q370R boiler plates, Q370R pressure vessel plates, Q370R from Wugang, Q370R after normalizing. Grades, thickness in mm, test temperature/℃: 200, 250, 300, 350, 400, 450, 500. Yield strength aReL or Rp0.2/(N/mm2); values should be not less than the specified values. For Q370R at temperatures >20–36: 290, 275, 260, 245, 230. For temperatures >36–60: 280, 270, 255, 240, 225. 10 Applications of Q370R: Q370R steel plates are used as boiler and vessel plates, and are widely applied in industries such as petroleum, chemicals, power generation, and boilers. They are typically used to manufacture reactors, heat exchangers, separators, gas ducts, liquefied gas tanks, boiler drums, and liquefied petroleum gas cylinders.