Hot sale S275JR carbon steel plate sheet Tianjin factory

A572 grade can be divided into five levels: S275JR carbon steel plate sheet, A572 grade 42 (290), 50 (345), 55 (380) for riveted, bolted or welded structural parts; A572 grade 60 (415) and 65 (450) for bridge riveted and bolted structural parts or welded structural parts for other purposes. Chemical composition of A572 Gr50 steel: C: ≤ 0.20, Si: ≤ 0.40, Mn: ≤ 1.50, P: ≤ 0.04, S: ≤ 0.05, Nb: ≤ 0.005-0.05.

Both parties shall confirm the S275JR carbon steel plate sheet material object and the quality of the products, confirm the reasons for the defects and the quality of the products, and sign the quality inspection agreement. Major quality objections shall be reported to relevant leaders in a timely manner, and shall be discussed and solved with the S275JR carbon steel plate sheet steel plant.

The steel grades S275JR carbon steel plate sheet of thick steel plate are basically the same as those of thin steel plate. In terms of steel types, in addition to the bridge steel plate, boiler steel plate, automobile manufacturing steel plate, pressure vessel steel plate and multi-layer high-pressure vessel steel plate, some kinds of S275JR carbon steel plate sheet steel plates, such as automobile girder steel plate (2.5-10 mm thick), checkered steel plate (2.5-8 mm thick), stainless steel plate, heat-resistant steel plate, etc., are crossed with the thin plate.

The cold rolling precision bright pipe system produced by our factory has smooth appearance, uniform wall thickness, no oxide layer and high precision. The inner hole of S275JR carbon steel plate sheet steel pipe can be divided into round, spline and plum blossom, which is widely used in automobile, motorcycle, electric power, petrochemical, ship, aerospace, bearing, pneumatic components, oil cylinder, boiler equipment, medical equipment, fitness equipment and other industries. Materials can be divided into: 10#, 20#, 35#, 45#, 40Cr, 16Mn, etc. According to the needs of users, we can make all kinds of national standard non-standard precision pipes. Special S275JR carbon steel plate sheet materials and specifications can be ordered in advance.