Seamless carbon and Alloy steel mechanical tubes
Application: for mechanical engineering
Grade: 1008 1010 1018 1020 1025 1026 4130 4140
Grade and chemical composition:
|
Grade |
C |
Mn |
P ≤ |
S≤ |
Si |
Cr |
Mo |
|
1008 |
≤0.10 |
0.3-0.5 |
0.040 |
0.050 |
|
|
|
|
1010 |
0.15-0.20 |
0.30-0.60 |
0.040 |
0.050 |
|
|
|
|
1018 |
0.18-0.23 |
0.60-0.90 |
0.040 |
0.050 |
|
|
|
|
1020 |
0.22-0.28 |
0.30-0.60 |
0.040 |
0.050 |
|
|
|
|
1025 |
0.22-0.28 |
0.30-0.60 |
0.040 |
0.050 |
|
|
|
|
1026 |
0.22-0.28 |
0.60-0.90 |
0.040 |
0.050 |
|
|
|
|
4130 |
0.28-0.33 |
0.40-0.60 |
0.040 |
0.040 |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
|
4140 |
0.38-0.43 |
0.75-1.00 |
0.040 |
0.040 |
0.15-0.35 |
0.80-1.10 |
0.15-0.35 |
Mechanical Properties (MPa)
|
Grade |
Condition |
Tensile Point(MPa) min |
Yield Point (MPa) min |
Elongation (min) |
|
1020 |
CW |
414 |
483 |
5% |
|
SR |
345 |
448 |
10% | |
|
A |
193 |
331 |
30% | |
|
N |
234 |
379 |
22% | |
|
1025 |
CW |
448 |
517 |
5% |
|
SR |
379 |
483 |
8% | |
|
A |
207 |
365 |
25% | |
|
N |
248 |
379 |
22% | |
|
4130 |
SR |
586 |
724 |
10% |
|
A |
379 |
517 |
30% | |
|
N |
414 |
621 |
20% | |
|
4140 |
SR |
689 |
855 |
10% |
|
A |
414 |
552 |
25% | |
|
N |
621 |
855 |
20% |