A514 Gr Q steel material surface quality inspection

[Enterprise Spirit]: professional, honest, dedicated and innovative.[Enterprise Tenet]: provide customers with satisfactory steel products and services.[Enterprise Policy]: customer satisfaction is our pursuit. The trust of customers is our achievement.[Service Tenet]: to develop the market with quality and grow with sincerity.The company adheres to the commitment of quality first and customer foremost, takes high quality and high efficiency as the service principle, takes mutual benefit and common development as the business purpose.

Due to the excellent corrosion resistant properties, SA387 GRADE 91 Class 1 sheet is also an option for use in sour service environments. The material has good weldability and with its heat resistant qualities, the material is a highly versatile steel which can be used in numerous applications. Mechanical properties of SA387 GRADE 91 Class 1 Tensile strength, ksi [MPA]:85 to 110 [585 to 760]Yield strength, min, ksi [MPa]/(0.2% offset):60 [415]Elongation in 2 in. [50mm], min, %:18

The clad steel plate is based on carbon structural steel, which is sprayed with stainless acid resistant and heat-resistant steel on the surface. The clad steel plate is widely used to make acid and alkali resistant container. Advantages of clad steel plate: The appearance of the clad steel plate is very smooth, the quality is very good, and it will not rust. Disadvantages of clad steel plate: the A514 Gr Q steel material, clad steel plate has better requirements for production technology and are more expensive.

The Indian customer purchased our A516 Gr 70 pressure vessel steel plates to make tanks. They have very strict requirement for raw materials quality. For the A516 Gr 70 pressure vessel steel plates, they asked for Normalizing, 0℃ impact, A578 UT test, PWHT and so on tests, our Q/C department witness the production process with the technician from the customer company together. Meanwhile, we arrange BV inspection to check the quantity, spray mark, stamp on the A516 Gr 70 pressure vessel steel plates, and so on.