Transcription of Mechanical Properties Metric - Fastenal
1 Rev 3-6-09 Mechanical Properties Per ISO 898-1 (Externally Threaded Fasteners) Min. Proof StrengthM in. Tensile StrengthM in. Yield StrengthMPaMPaM PaM 5 - M1 658 0800 (116,000 PSI)C 22C32640M 18 - M3960 0830 (120,000 PSI)C 23C34660 Grade I denti fi cation M arki ngC 39C441100C 32C3994012. 9M1. 6 - M3997 0122 0 (177,000 PSI )Alloy steel: quenche d & tem pered10. 9M 5 - M3 983 0104 0 (150,800 PSI )Alloy steel: quenche d & tem o r mediu m carb on steelMedium carbon steel: quenche d & tem peredMateri alCore Hardness Rockwel 5 - M3 922 5400 (58,0 00 PSI) etric Property ClassSize Range Mechanical Properties Per DIN 267 Part 4 (Internally Threaded Fasteners) Proof Stres sCore Hardne ss Rockwe llMPa (max .)Class 10Me diu m carbon steel; q uenched & tempered100 0C36 Class 12Me diu m carbon steel; q uenched & tempered120 0C36 Property Clas sGra de Identifi cation Ma rkingClass 8 Low t o Mediu m Carbo n Stee l800C30 Typic al Material Rev 3-6-09 NomThread Tensil e ThreadTensile D AreaPitchStre ss Are a(mm)(mm)(m m sq.)
2 (m m)(mm sq.)30. 55612621333. 56942761364817386539497631030 Coarse Thr eadFi ne Thr eadMechanical Properties of Metric Stainless Steel Per ISO 3506-1 NutsMPaMPaMPa50 (soft)<M395002105007 0 (cold -worked)<M2070045070080 (high streng th)<M2080060080050 (soft)50025050070 (harde ned & tempered )700410700C380 (hardened &tempered)80064080050 (soft)50025050070 (harde ned & tempered )70041070045 (soft)<M244502504506 0 (cold -worked)<M24600410600 Bolts, Sc rews & StudsGroupGradeProperty Clas sD iameter R angeTensile StrengthStress at Perm anentProof Load StressA1, A2 & A4C1C4 MartensiticAusten iticFerriticF1 Example of a Head Marking Metric Thread Stress Areas Tensile Stress Area = [(d3+d2)/2]2 d2 = basic pitch diameter of the threads d3 = minor diameter of the threads
