s420mc galvanealed coil density pressure vessel steel specification

Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the s420mc galvanealed coil density project. In response process of customer servic

Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the S420MC galvanealed coil density project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of s420mc galvanealed coil density customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.

Tempering the important s420mc galvanealed coil density welding structure often use high temperature tempering to remove residual weld stress. Classification: high temperature tempering above 400 ℃, medium temperature tempering 250 ~ 400 ℃, low temperature tempering 150 ~ 250 ℃, Quenching +Tempering is improve s420mc galvanealed coil density strength, plasticity and toughness.

Difference between Q235A steel and Q235B steel plates: in the national standard GB700, the difference between s420mc galvanealed coil density, Q235A steel and Q235B steel plates is mainly in the carbon content. In addition, Q235A steel plate does not do impact test, while Q235B Q235B steel plates need normal temperature impact test, V-notch. Relatively speaking, the mechanical properties of Q235B steel plates are better than that of Q235A steel plate.

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