Mechanical Requirements Class and Grade Diameter,in Heat Treatment Minimum Tempering Temperature °F Tensile Strength, min,ksi Yield Strength, min,ksi (0.2% offset) Elongation in 2 in. Read More

Chemical Requirements for Grades C3 and DH3 NutsElementComposition,%Classes for Grade C3 NutsAGrade DH3 Nuts nABCDEFCarbon:Heat Analysis…0.33-0.400.38-0.480.15-0.250.15-0.250.20-0.250.20-0.250.20-0.53Product analysis…0.31-0.420.36-0.500.14-0.260.14-0.260.18-0.270.19-0.260.19-0.55Manganese Read More

Chemical RequirementsAlloy GroupUNS Designa- tionAlloyCarbonMangan-esePhos- phorus SulfurSiliconChromiumNickelCopperMolybde- num Others Austenitic Alloys1S303003030.152.000.200.15min1.0017.0 to 19.08.0 to 10.0…0.60max…1S30323303Se0.152.000.200.0601.0017.0 to 19.08.0 t Read More

Chemical Requirements for Type 3 Heavy Hex Structural BoltsElementComposition,%Type 3 BoltsABCDEFCarbon:Heat analysis0.33-0.400.38-0.480.15-0.250.15-0.250.20-0.250.20-0.25Product analysis0.31-0.420.36-0.500.14-0.260.14-0.260.18-0.270.19-0.26Manganese:Heat analysis0.90-1.200.70-0.900.80-1.350.40-1.20 Read More

Mechanical Property RequirementsStainless Alloy GroupConditionBAlloy Mechnical Property MarkingNominal Diameter,in.Proof Stress, Hex Nuts ksi,minProof Stress, Heavy Hex Nuts ksi,minCRockwell HardnessAustenitic Alloys1 Read More

Mechanical RequirementsGrade of Nut Nominal Nut Size,in.Style of NutProof Load Stress,ksiAHardnessNon-Zinc- Coated NutsBZinc-Coated NutsBBrinellRockwellMinMaxMinMaxNuts with UNC,8 UN,6 UN and Coarser Pitch ThreadsO1/4 to 1-1/2square6952103302B55C32A1/4 to 1-1/2square90 Read More