The iron oxide defects on the surface of SA573 grade 70 carbon steel plate sheet

Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and hardness of normalized SA573 grade 70 carbon steel plate sheet are higher than that of annealed SA573 grade 70 carbon steel plate sheet, but the elimination of internal stress is not as good as annealing. The normalizing operation of SA573 grade 70 carbon steel plate sheet is simple, the cost is low, the productivity is high, and it is widely used in actual production.

Structural steel angles (along with other types of steel sections like A36 channels, I-beams, bulb flats and SA573 grade 70 carbon steel plate sheet) are widely used in construction as a rigid reinforcing material for concrete monolithic elements of high-rise framed buildings, as well as for critical and wide-span support elements in industrial and civil applications. Angle steel bars are also used for door and window framing, arches and other architectural elements. Steel angles are also used for room decoration, as well as in the heavy machine building and furniture industries.

Every after-sales service shall have a detailed record of the customer's product problems and handling methods. The records shall be sorted into volumes and filed on a monthly basis, and submitted to the technical department for filing. The problems found in the after-sales service shall be summarized in a timely manner, discussed with the technical department, the quality inspection department and the production department, and a proper solution shall be proposed for the technical department to improve in a timely manner;

Provide special product requirements to meet the personalized needs of customers. The SA573 grade 70 carbon steel plate sheet company arranges production and shipment strictly according to the contract, and guarantees to supply goods according to the time agreed in the contract. Provide professional consultation: we guarantee to answer any professional and SA573 grade 70 carbon steel plate sheet technical questions raised by users within 1 hour; provide detailed information.

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