Quality requirements of p235gh steel welding
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Quality requirements of p235gh steel welding
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Q245R (HIC) refers to steel grade Q245R anti hydrogen sulfide corrosion steel plate. Only hydrogen induced cracking test (HIC) is conducted for corrosion test. The composition requirements of smelting analysis P ≤ 0.015, S ≤ 0.003, and finished product analysis P ≤ 0.015 and S ≤ 0.004. P235GH steel welding, Q245R plates are mainly used in petrochemical industry, chemical equipment manufacturing enterprise, boiler and pressure vessel manufacturing enterprise, etc.
Hyundai Steel Co. has no plans to cut production further despite weak steel demand due to the coronavirus pandemic, the company's president said. Earlier this year, South Korea's second largest steelmaker reduced its p235gh steel welding annual production of hot rolled coils from 1 million tons previously to 700 thousand tons per year for EAFs. A turnaround is expected after the third quarter of this year.
Common medium thick and heavy steel plates are widely used for manufacturing various containers, furnace shells, furnace plates, bridges and automobile static steel plates, low steel alloy steel plates, bridge steel plates, general steel plates, boiler steel plates, pressure vessel steel plates, pattern steel plates, automobile girder steel plates, tractor parts and welding components. p235gh steel welding, bridge steel plates are used for large railway bridges. They are required to bear dynamic load, impact, vibration, corrosion resistance, etc.
A type of material that uses a large amount of p235gh steel welding steel plates is divided into ordinary low-carbon steel plates and special steel plates, including low-alloy high-strength steels and corrosion-resistant and heat-resistant multi-layer steel plates. Ordinary low-carbon steel plates are divided into two types: cold-rolled and hot-rolled. Cold-rolled p235gh steel welding steel plates have good surface quality and accurate thickness dimensions. They are mostly used to make car bodies. Hot-rolled plates are mostly used to make car frames and the like.