Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
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carbon steel 4.8 8.8 12.9 full partial thread hex bolt DIN933 DIN931
4.8 hex bolt specification
ASTM F568 Specification covers Grade 4.8 Bolts/Screws/Studs manufactured from Low or
medium carbon Alloy Steel with fully or partiall annealed condition in size range of M5 upto M100 & minimum
Tensile Strength of 400Mpa.
Grades Material Description
| Grade 4.8 | Low or medium carbon steel; fully or partially annealed |
|---|
Markings&Mechanical Properties
| Markings & Mechanical Prperties | ||||||
|---|---|---|---|---|---|---|
| Grades | Markings | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 4.8 |  | 1.6–16 | 310 | 340 | 420 | B71–95 |
| M8 | M10 | M12 | M14 | M16 | M18 | M20 | |
| L | Weight/MPCS≈kg | ||||||
| 35 | 18.4 | ||||||
| 40 | 20.4 | 35.0 | |||||
| 45 | 22.3 | 38.1 | 53.8 | ||||
| 50 | 24.3 | 41.2 | 58.2 | 83.3 | |||
| 55 | 26.3 | 44.2 | 62.7 | 88.3 | 118 | ||
| 60 | 28.3 | 47.3 | 67.1 | 95.4 | 126 | ||
| 65 | 30.2 | 50.4 | 71.5 | 101 | 134 | 174 | 225 |
2. Grade 4.8 hex bolt we have exported before