ASTM A563-GRADE 0 美制

Grade Identification Markings Grade Identification MarkingSpecificationMaterialNominal Size, In.Proof Load Stress, ksiHardness RockwellSee NoteMinMax No Mark ASTM A563 Grade O Carbon Steel 1/4 - 1-1/2 69 B55 C32 2,3 ASTM A563 Grade A Carbon Steel 1/4 - 1-1/2 90 B68 C32 2,3 ASTM A563 Grade B Carbon Steel 1/4 - 1 120 B69 C32 2,3 >1 - 1-1/2 105 ASTM A563 Grade C Carbon Steel, may be Quenched and Tempered 1/4 - 4 144 B78 C38 4 ASTM A563 Grade C3 Atmospheric Corrosion Resistant Steel, may be Quenched and Tempered 1/4 - 4 144 B78 38 4,6 ASTM A563 Grade D Carbon Steel, may be Quenched and Tempered 1/4 - 4 150 B84 C38 5 ASTM A563 Grade DH Carbon Steel, Quenched and Tempered 1/4 - 4 175 C24 C38 5 ASTM A563 Grade DH3 Atmospheric Corrosion Resistant Steel, Quenched and Tempered 1/4 - 4 175 C24 C38 4,6 全丰紧固件