With the development of China's RINA AH36 offshore oil drilling platform steel market economy, the company vigorously implements the strategy of industrialization, internationalization and diversification, promotes group operation, intensive development and lean management, and builds the company into a company with scientific development concept, continuous innovation vitality, excellent corporate culture and strong sense of social responsibility through rich series of RINA AH36 offshore oil drilling platform steel products and project portfolio and complete operation network And international first-class competitiveness of modern enterprises.
The ASTM/ASME SA516 RINA AH36 offshore oil drilling platform steel specification covers carbon steel plates, which are mainly used for welding pressure vessels, where improving notch toughness is very important. The RINA AH36 offshore oil drilling platform steel tensile strength range is 55-90MPa, and its versatility makes this specification very popular in applications.
Compared with thick steel plates, RINA AH36 offshore oil drilling platform steel, thin steel plates have many obvious advantages in steel plate processing and use. It is precisely these advantages of thin steel plates that make them more and more popular in various industries. First, compared to those thicker steel plate materials, thin steel plates are generally thinner in thickness. Thin steel plates themselves are lighter and thinner, and their weight is lighter, which is very convenient for handling during construction and transportation. It can save some storage and transportation space.
Cold rolled RINA AH36 offshore oil drilling platform steel steel sheet can be produced by two high mill, four high reversing mill, multi high reversing mill and tandem cold mill. Although there are still only two work rolls in four high and multi high rolling mills, each work roll is supported by one or more large diameter backup rolls, which can prevent deflection of work roll. As a result, wide and thinner RINA AH36 offshore oil drilling platform steel steel plates can be produced. For example, 20 high mill can produce as thin as 0. 001 mm sheet, but the two high mill can only produce as thin as 0. 35mm sheet
What is the difference between Q345B steel and Q345A steel? RINA AH36 offshore oil drilling platform steel, Q345B steel and Q345A steel have slight difference in chemical composition: Q345A steel: C ≤ 0.20, Mn ≤ 1.7, Si ≤ 0.55, P ≤ 0.045, S ≤ 0.045, V 0.02 ~ 0.15; Q345B steel: C ≤ 0.20, Mn ≤ 1.7, Si ≤ 0.55, P ≤ 0.040, S ≤ 0.040, V 0.02 ~ 0.15. The difference between Q345B steel and Q345A steel is mainly in A and B behind the steel grade, Q345A steel grade is not subject to impact; Q345B steel grade needs 20 ℃ room temperature impact test.
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