Steel Structures Design - The grades of bolt in common use, a- Ordinary bolts Grades 4.6, 4.8, 5.6, 5.8, and 6.8 and includes foundation bolts, are made from mild steel. b- Heat
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High Tensile Bolt 8.8, Carbon Steel 8.8 Bolts, Class 8.8 Hex Bolts, ASTM F568 Grade 8.8 Bolt in India
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Mechanical Properties of Steel Bolts with Different Diameters after Exposure to High Temperatures | Journal of Materials in Civil Engineering | Vol 31, No 10
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