|
|
|
 |
|
|
|
|
|
力学性能 |
化学成份 |
|
标准 |
钢级或钢种 |
规定总伸长应力σ0.5或屈服强度 |
抗拉强度σb |
伸长率δ |
c |
si |
Mn |
p |
s |
|
Mpa |
Mpa |
% |
max |
max |
max |
max |
max |
|
GB/T9711.1-1997 |
L210 |
210 |
335 |
25 |
0.21 |
|
0.90 |
0.030 |
0.030 |
|
L245 |
245 |
415 |
21 |
0.26 |
|
1.15 |
0.030 |
0.030 |
|
L290 |
290 |
415 |
21 |
0.28 |
|
1.25 |
0.030 |
0.030 |
|
L320 |
320 |
435 |
20 |
0.30 |
|
1.25 |
0.030 |
0.030 |
|
L360 |
360 |
460 |
19 |
0.30 |
|
1.25 |
0.030 |
0.030 |
|
L390 |
390 |
490 |
18 |
0.26 |
|
1.35 |
0.030 |
0.030 |
|
L415 |
415 |
520 |
17 |
0.26 |
|
1.35 |
0.030 |
0.030 |
|
L450 |
450 |
535 |
17 |
0.26 |
|
1.40 |
0.030 |
0.030 |
|
L485 |
485 |
570 |
16 |
0.23 |
|
1.60 |
0.030 |
0.030 |
|
GB700 |
Q195 |
195 |
315 |
33 |
0.12 |
0.30 |
0.25-0.50 |
0.045 |
0.050 |
|
Q215 |
215 |
335 |
31 |
0.15 |
0.30 |
0.25-0.50 |
0.045 |
0.050 |
|
Q235-A |
235 |
375 |
26 |
0.22 |
0.30 |
0.65 |
0.045 |
0.050 |
|
Q235-B |
235 |
375 |
26 |
0.20 |
0.30 |
0.70 |
0.045 |
0.045 |
|
Q235-C |
235 |
375 |
26 |
0.18 |
0.30 |
0.80 |
0.040 |
0.040 |
|
Q235-D |
235 |
375 |
26 |
0.17 |
0.30 |
0.80 |
0.035 |
0.035 |
|
|
|
|
|
|
|
|