Dongkuk Steel, a major steelmaker in Korea, said yesterday it has developed five types of threaded steel rods. Although the threaded steel rod market in Korea is small, the company said that demand ...
Split heads and head bursts on threaded metal fasteners are classified as “surface discontinuities.” As such, they fall under the jurisdiction of quality standards such as ASTM F788/788M and SAE J1061 ...
OAKLAND — Bay Area transportation officials grilled Caltrans on Wednesday morning for answers to why nearly three dozen threaded steel rods — 9 to 24 feet long — on the new eastern span of the Bay ...
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