SHANDONG LE REN SPECIAL STEEL CO., LTD.
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iso grade 8.8 threaded rod and bar
ISO grade 8.8 is one kind of alloy quenched and tempered grade in ISO898 standard which is similar to US grades 8 and B7. ISO grade 8.8 threaded rod is usually metric Threaded Rods.
ISO grade 8.8 Threaded Rod we produce is manufactured with rolled threads instead of cut, free from tears or tool marks typically found in cut threads. So the threaded rods are smoother and have less surface imperfections that may cause possible failure in severe service applications.
ISO grade 8.8 threaded rod is one of the most economical and most common form of threaded rod and in high demand because of its high strength, excellent heat resistance and resistance to corrosion.
1. gr8.8 threaded rods raw material 40Cr or 5140 chemical composition:
| C | SI | MN | S | P | CR |
| 0.38-0.43 | 0.15-0.35 | 0.50-0.90 | 0.035(MAX) | 0.035(MAX) | 0.75-1.20 |
2. class 8.8 threaded rods mechanical property:
| Tensile strength | Yield strength | Elongation | Reduction of area | Hardness |
| 830 | 660 | 12 | 54 | 32 HRC MAX |
Note: The properties can adjust according to your requirements
3. iso grade 8.8 threaded rods sizes:
DIAMETER: M12 - M64
LENGTH: 1M, 2M ,3M, 6M or cut to samll length pieces
| M12 | 1.75mm | M36 | 4mm |
| M14 | 2mm | M39 | 4mm |
| M16 | 2mm | M42 | 4.5mm |
| M18 | 2.5mm | M45 | 4.5mm |
| M20 | 2.5mm | M48 | 5mm |
| M22 | 2.5mm | M52 | 5mm |
| M24 | 3mm | M56 | 5.5mm |
| M27 | 3mm | M60 | 5.5mm |
| M30 | 3.5mm | M64 | 6mm |
| M33 | 3.5mm | | |
4. Metric threaded rod weight:
M12
0.69kg
M36
6.63kg M14
0.93kg
M39
7.86kg
M16
1.24kg
M42
9.05kg
M18
1.57kg
M45
10.51kg
M20
1.98kg
M48
11.84kg
M22
2.44kg
M52
14.13kg
M24
2.86kg
M56
16.37kg
M27
3.58kg M60
19.00kg
M30
4.54kg M64
21.21kg
M33
5.61kg
Gr 8.8 Steel Threaded Bar is used to produce Marine Anchor Bolt, Marine Steel Anchor Bolt, High Strength Marine Anchor Bolt, Steel Anchor Bolts, Stud Anchor Bolt.
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