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The main classification society regulations are:
China /CCS, USA /ABS, Germany /GL, France /BV, Norway /DNV, Japan /NK, UK /LR, Korea /KR, Italy /RINA
High strength quenched and tempered steel for welding structure The quenched and tempered steel for welding structure is the killed steel after fine grain treatment.
Welding structure with high strength quenched and tempered steel, according to its minimum yield point stress is divided into 420, 460, 500, 550, 620 and 690MPa six strength grades, each strength level and according to its impact toughness is divided into A, D, E, F four grades
The grade of high-strength quenched and tempered steel for welding structures consists of a letter of impact toughness grade + a number of yield strength grade (three digits).
Impact toughness grade letters and meanings:
A -- Impact toughness grade at 0℃
D -- Impact toughness grade at -20℃
E -- Impact toughness rating at -40°C
F -- Impact toughness rating at -60°C
Yield Strength Rating Number (three digits) Indicates minimum yield stress value (MPa)
Mechanical properties of high strength quenched and tempered steel for welding structures
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Tianjin TISCO is a professional steel supplier. With the support of the most professional steel manufacturers and a large number of customers, we can not only provide you with ordinary steel, but also help you customize special steel, special size, special process shape and other services.
Tianjin TISCO uses standard export transport packaging and bundles steel bands according to the size of the stainless steel plate. We have frequent cooperation with freight forwarders to ensure the safe arrival of goods to the port.
According to our shipping experience, a 20-foot container can hold 22 tons of stainless steel, and a 40-foot container can hold 25 tons of stainless steel. For larger orders, we ship by bulk carrier, which is cheaper. Packaging can also be customized according to customer needs.
We provide our customers with planning services, just-in-time production planning and provide customized services to meet the specific requirements of end users. Our company has been committed to improving customer service and product quality for more than ten years, providing high-value solutions for customers' businesses as the basic standard of our work.
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