zhang Yu

ASTM A335 covers seamless alloy steel pipes for high-temperature service in petroleum and power industries, ensuring reliability and safety.

ASTM A519 covers seamless steel pipes for high-pressure fluid transport in oil, gas, and chemical industries, ensuring quality and safety.

ASTM A671 covers welded steel pipes for cryogenic and high-pressure use in petroleum and gas transport, ensuring safety and reliability.

ASTM A691 covers high-strength seamless and welded pipes for oil and gas pipelines, ensuring safety under high-pressure and temperature.

ASTM A790 covers seamless and welded stainless steel pipes for marine and chemical industries, ensuring safety in corrosive environments.

ASTM A815 covers alloy steel pipes for petroleum and gas industries, ensuring safety and corrosion resistance in harsh environments.

ASTM A928 covers welded stainless steel pipes for oil and gas, ensuring safety and corrosion resistance in harsh conditions.

DIN 1629 covers seamless steel pipes for high-temperature and high-pressure applications in oil, gas, and chemical industries.

EN 10210 specifies requirements for hot-formed seamless and welded steel tubes in structural applications, ensuring safety and reliability.

EN 10216 specifies seamless steel pipes for high-pressure applications in oil, gas, chemical, and power industries, ensuring durability.

EN 10297 specifies seamless steel pipes for mechanical engineering and energy sectors, ensuring safety and reliability under heavy loads.

ASME B16.5 defines flange design for pipelines, covering sizes from 1/2″ to 24″ and ensuring safety in various industries.

ASME B16.9 outlines welding pipe fittings for pipelines, detailing dimensions, materials, and quality control for various industries.

ASME B16.11 specifies requirements for small-diameter pipe fittings, ensuring safety and reliability in various industrial applications.

On August 1, 2025, Yantai Xinbaoshang welcomed distinguished guests from afar—partners from Thailand. Mr. Zhang, CEO of Yantai Xinbaoshang, attended this exchange meeting.