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Hot rolled polishing S690Q steel equivalent

The seamless carbon steel pipe for ships (gb5213-85) is the seamless carbon steel pipe for the manufacture of class I pressure pipe system, class II pressure pipe system, boiler and Superheater of ships. S690Q steel equivalent. The working temperature of carbon steel seamless pipe wall shall not exceed 450 ℃, and that of alloy steel seamless pipe wall shall exceed 450 ℃.

In today's S690Q steel equivalent steel market, most of the varieties are in excess of demand, especially after China's accession to the WTO, steel enterprises are facing increasingly fierce market competition. In order to make enterprises win a good survival and development space, operators must make effective use of S690Q steel equivalent market information resources to improve the scientificity of business decision-making and enhance the enterprises' domestic competitiveness Competitiveness in the external market.

The company has strong technical force, complete production equipment, advanced production technology, perfect testing methods, and high-quality products S690Q steel equivalent. Today, the company will further expand its scale on the existing basis, with first-class products and better service, to make new friends from all over the world, hope that we will work together to create brilliant! Serve our customers with the concept of "being honest and operating with integrity"!

A small amount of Nb is sufficient to obtain excellent comprehensive properties of S690Q steel equivalent etc. steel material, because at low Nb concentration, the yield strength of steel material increases faster and is proportional to the concentration, but when the Nb content is greater than 0.03%, the strengthening effect begins to decrease. Studies have shown that when the Nb content is greater than 0.06%, excess Nb will no longer strengthen the steel material.

Our company will accept the product quality objection registration record, pass it to the S690Q steel equivalent production unit and relevant departments, and timely coordinate the supervision of product S690Q steel equivalent quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.

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EN 10025-6 S690QL High Strength Steels