gbt 11251 38crsi alloy special steel Related introduction
National Standard of PRC Alloy Structure Steels GB/T …
Foreword The standard has revised GB/T 3077-1988 ”The Technical Conditions of Alloy Structure Steel”. There have been some changes in this national’s …
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GB standards for steel materials :: Total Materia Article
This group of Chinese (GB) standard specifications covers carbon and alloy steel plates and forgings used in boilers and pressure vessels, high-strength low-alloy steels, heat-treatable steels, hot and cold-rolled plates for cold forming, steels for concrete reinforcement and prestressed concrete and the properties for railway service rails and accessories.