EN 10025-6 grade S690QL steel plates carbon steel hr plates 2020.12.07

A203GrD steel plate belongs to ultra-low temperature container plate. ASTM A203 is a low-nickel alloy steel, including five grades A, B, D, E, and F. Among them, Grades D, E, and F have a nominal nickel content of 3.5%, commonly known as 3.5Ni steel. A203D/E/F steel has good impact toughness and mechanical properties in a low temperature environment, and is usually used in a low temperature environment of -70～-101℃ (the tempered state can reach -107℃).

The company adopts modern management concept, adheres to “quality for survival, integrity for development”, and provides customers with high-quality and reliable EN 10025-6 grade S690QL steel plates steel products and wholehearted service. The company continuously deepens the internal reform of the enterprise, innovates in the reform, develops in the innovation, and gradually forms a set of management and operation mechanism which adapts to the market and has strong competitiveness.

As the thickness and hardness of EN 10025-6 grade S690QL steel plates increase, the tendency to crack at the cutting edge increases. In order to prevent the EN 10025-6 grade S690QL steel plates from cutting cracks, preheating should be carried out before EN 10025-6 grade S690QL steel plates cutting. Special attention should be paid to preheating to make the entire EN 10025-6 grade S690QL steel plates interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole EN 10025-6 grade S690QL steel plates cannot be preheated, the partial preheating method can be used instead.

The ability to resist plastic deformation and fracture under the action of external load is called EN 10025-6 grade S690QL steel plates strength, and the local resistance of solid materials to external objects such as indentation and scribing is hardness. In the mechanical properties of weathering steel, strength and hardness are related indexes, while plasticity (elongation, reduction of area) and toughness (impact value) are related indexes.

We are willing to cooperate sincerely with you with high-quality EN 10025-6 grade S690QL steel plates products and sincere service to expand the market and create brilliant! We will work hard to create a first-class steel company and provide you with faster and more considerate after-sales services! Moreover, our shipbuilding steel plates have been certified by the nine countries' classification societies including DNV, ABC, GL, LR, BV, CCS, RINA, NK, and KR. The quality assurance system has passed ISO9001-2000 standard certification.