40Cr Round Head Bolt,10.9 Grade Universal Shaft Bolts,M36 Cardan Shaft Screw
Material Grade:40Cr
Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade
Sizes: M20,M24, M27,M30,M36,M42,M45;
Specification:M48 x 150,M48 x 180,M48 x 210,M48 x 330,M48 x 370,M48 x 390,M48 x 600,M48 x 700,
M48 x 900,M48 x 1080
Bolt-head Shape: Oval head, Square head,Ellipse head,Round Head Bolt;
Special Features:
1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills.
2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and
mine mills.
3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.
4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.
Chemical Composition:
| Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
| 40Cr |
0.37-0.44 |
0.17-0.37 |
0.5-0.8 |
0.8-1.0 |
≤0.3 |
≤0.035 |
≤0.035 |
≤0.03
|
