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iso grade 8.8 threaded rod and bar
ISO grade 8.8 is one kind of quenched and tempered steel grade in ISO 898 standard which is similar to US grades 5 and B7. ISO898 grade 8.8 threaded steel rod is usually metric threaded steel rod. In ISO898 standard, except grade 8.8 threaded rod, there are also grade 10.9 threaded rod and grade 12.9 threaded rod.
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
We can also produce We can also produce iso grade 8.8 polished steel rod, polished steel bar, turned steel bar and peeled steel bar and centreless ground bar.
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Main Product:
Cold Drawn Steel Bar,
Bright Steel Bar,
Heat Treated Steel Bar and Tube,
Threaded Rods ,
High Strength Steel Tie Rod,
High Strength Steel Bolts
