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The Chemical Composition for Carbon steel |
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|
Grade |
Chemical composition (%) |
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|
C |
Mn |
P |
S |
|
|
1010 |
0.08-0.13 |
0.30-0.60 |
=0.040 |
=0.050 |
|
1020 |
0.18-0.23 |
0.30-0.60 |
=0.040 |
=0.050 |
|
1045 |
0.43-0.50 |
0.30-0.90 |
=0.040 |
=0.050 |
|
1518 |
0.15-0.21 |
1.10-1.40 |
=0.040 |
=0.050 |
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The Chemical Composition for Alloy Steel |
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|
Grade |
Chemical composition (%) |
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|
C |
Mn |
P max |
S max |
Si |
Ni |
Cr |
Mo |
|
|
4118 |
0.18-0.23 |
0.70-0.90 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.40-0.60 |
0.08-0.15 |
|
4130 |
0.28-0.33 |
0.40-0.60 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
|
4135 |
0.32-0.39 |
0.65-0.95 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
|
4140 |
0.38-0.43 |
0.75-1.00 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
Mechanical Properties :
|
Grade |
State |
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
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|
Ksi |
Mpa |
Ksi |
Mpa |
% |
(HB) |
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|
1020 |
HR |
50 |
345 |
32 |
221 |
25 |
55 |
|
CW |
70 |
483 |
60 |
414 |
5 |
75 |
|
|
SR |
65 |
448 |
50 |
345 |
10 |
72 |
|
|
A |
48 |
331 |
28 |
193 |
30 |
50 |
|
|
N |
55 |
379 |
34 |
234 |
22 |
60 |
|
|
1045 |
HR |
75 |
517 |
45 |
310 |
15 |
80 |
|
CW |
90 |
621 |
80 |
552 |
5 |
90 |
|
|
SR |
80 |
552 |
70 |
483 |
8 |
85 |
|
|
A |
65 |
448 |
35 |
241 |
20 |
72 |
|
|
N |
75 |
517 |
48 |
331 |
15 |
80 |
|
|
4130 |
HR |
90 |
621 |
70 |
483 |
20 |
89 |
|
SR |
105 |
724 |
85 |
586 |
10 |
95 |
|
|
A |
75 |
517 |
55 |
379 |
30 |
81 |
|
|
N |
90 |
621 |
60 |
414 |
20 |
89 |
|
|
4140 |
HR |
120 |
855 |
90 |
621 |
15 |
100 |
|
SR |
120 |
855 |
100 |
689 |
10 |
100 |
|
|
A |
80 |
552 |
60 |
414 |
25 |
85 |
|
|
N |
120 |
855 |
90 |
621 |
10 |
100 |
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