iron pipe size การใช้

• The Iron pipe size ( IPS ) is an older system still used by some manufacturers and legacy drawings and equipment.
• He built the first 500-ton blast furnace in Germany, the first 100-ton Martin furnace, and the first large tube ( iron pipe size ) works.
• The iron pipe size standard came into being early in the 19th century and remained in effect until after World War II . The IPS system was primarily used in the US and the United Kingdom.
• Some specifications use pipe schedules called standard wall ( STD ), extra strong ( XS ), and double extra strong ( XXS ), although these actually belong to an older system called iron pipe size ( IPS ).