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ASTM A709 / A709M - 18 Standard Specification for

  • SpecificationsPurposeAvailabilityExamplesQualificationInternational1.1 This specification covers carbon and high-strength low-alloy steel structural shapes, plates, and bars, quenched and tempered alloy steel, and stainless steel for structural plates intended for use in bridges. Twelve grades are available in five yield strength levels as follows:1.2 Grade HPS 70W [HPS 485W] or HPS 100W [HPS 690W] shall not be substituted for Grades 36 [250], 50 [345], 50S [345S], 50W [345W], or HPS 50W [HPS 345W]. Grade 50W [345W], or HPS 50W [HPS 345W] shall not be substitutsteel astm a709 a709m hungary machining - Climagas CS ASTM A709 GR50 steel plate. ASTM A709 Gr50 steel plate is a kind of high strength and low alloy steel plate and it is widely used in engineering structures, such as construction steel structure, construction machinery, mining mountainous machinery, trucks, bridge, pressure vessel and so on, especially used in construction and engineering machinery parts that asked good welding and toughness