Tensile and Proof Stress of Metric Bolts and Screws, note units Newton/mm2.
Carbon Steel
Strength Designation | 3.6 | 4.6 | 4.8 | 5.6 | 5.8 | 6.8 | 8.8 =< 16mm |
8.8 > 16 |
9.8 | 10.9 | 12.9 |
Nom. Tensile Strength | 300 | 400 | 400 | 500 | 500 | 600 | 800 | 800 | 900 | 1000 | 1200 |
Min Tensile Strength | 330 | 400 | 420 | 500 | 520 | 600 | 800 | 830 | 900 | 1000 | 1200 |
Lower Yield Stress | 180/190 | 240 | 320/340 | 300 | 400/420 | 480 | - | - | - | - | - |
Stress at Perm. Set | - | - | - | - | - | - | 640 | 640/660 | 720 | 900/940 | 1080/100 |
Tensile Strength of Metric Nuts
Strength Designation | 4 | 5 | 6 | 8 | 10 | 12 |
Tensile Strength | 400 | 500 | 600 | 800 | 1000 | 1200 |
Stainless Steel Bolts and Screws
Stainless Steel | Austenitic | Martensitic | Ferritic | |||||||
Steel Grade | A1, A2, A3, A4, A5 | C1,C4 | C1 | C3 | F1 | |||||
Strength class | 50 | 70 | 80 | 100 | 50 | 70 | 110 | 80 | 45 | 60 |
Tensile Strength | 500 | 700 | 800 | 1000 | 500 | 700 | 1100 | 800 | 450 | 600 |
0,2% proof stress | 210 | 450 | 600 | 750 | 250 | 410 | 820 | 640 | 250 | 410 |
Note provided for information only, information has not been checked by an independent source, therefore if you use this information you do so at your risk.