|
 |
Loader Edge |
|
30MnB Steel
Chemical Composition of 30MnB Steel |
Element |
|
Min |
|
Max |
|
C |
|
0.28 |
|
0.34 |
|
Si |
|
1.00 |
|
1.90 |
|
Mn |
|
0.30 |
|
0.7 |
|
P |
|
|
|
0.030 |
|
S |
|
|
|
0.030 |
|
Cr |
|
0.40 |
|
0.47 |
|
Mo |
|
0.05 |
|
0.20 |
|
B |
|
0.0005 |
|
0.005 |
|
Mechanical Properties |
|
|
|
|
|
|
Hardness
£¨Heated Treatment£© |
|
|
|
46-52 HRC |
Breaking point |
|
|
1620 Rm-N/mm2 |
Elongation |
|
|
|
7% |
|
Resilience at 25¡æ |
|
|
24J |
|
|
|
45# Carbon Steel
Chemical Composition of 45# Carbon Steel |
Element |
|
Min |
|
Max |
|
C |
|
0.42 |
|
0.50 |
|
Si |
|
0.17 |
|
0.37 |
|
Mn |
|
0.50 |
|
0.80 |
|
P |
|
|
|
0.035 |
|
S |
|
|
|
0.035 |
|
Cr |
|
|
|
0.25 |
|
Cu |
|
|
|
0.25 |
|
|
|
|
|
|
|
Mechanical Properties with Heat Treatment |
Hardness
£¨Heated Treatment£© |
|
|
|
42-58 HRC |
Breaking point |
|
|
1055 N/mm2 |
Elongation |
|
|
|
11% |
|
Resilience at 25 ¡æ |
|
|
35J |
|
|
|
55# Carbon Steel
Chemical Composition of 55# Carbon Steel |
Element |
|
Min |
|
Max |
|
C |
|
0.52 |
|
0.60 |
|
Si |
|
0.17 |
|
0.37 |
|
Mn |
|
0.50 |
|
0.80 |
|
P |
|
|
|
0.035 |
|
S |
|
|
|
0.035 |
|
Cr |
|
|
|
0.35 |
|
Ni |
|
|
|
0.30 |
|
Mechanical Properties |
|
|
|
Min |
Max |
|
Hardness
£¨Heated Treatment£© |
|
|
|
229 HB |
Yelding point |
|
320 MPa |
|
Breaking point |
|
645 Mpa |
|
Elongation |
|
|
12% |
|
|
Resilience |
|
23 J |
(common temperature)
|
|
|
|
| |
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