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牌号 |
C |
Si |
Mn |
P≤ |
S≤ |
Ni |
Cr |
Mo |
Cu |
Al |
V |
Nb |
10# |
0.07-0.15 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.15 |
|
0.25 |
10# |
0.07-0.15 |
0.17-0.37 |
20# |
0.17-0.24 |
0.17-0.35 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
35# |
0.32-0.40 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
45# |
0.42-0.50 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
09Mn2 |
0.06-0.12 |
0.17-0.35 |
0.35-0.55 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
12Mn2 |
0.09-0.16 |
0.17-0.35 |
0.40-0.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
16Mn3 |
0.13-0.20 |
0.17-0.35 |
0.60-0.80 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
15Mo3 |
0.12-0.20 |
0.17-0.35 |
0.40-0.80 |
0.030 |
0.030 |
0.30 |
0.25 |
0.25-0.35 |
0.25 |
|
|
|
20Mn |
0.17-0.35 |
0.17-0.35 |
1.10-1.60 |
0.030 |
0.030 |
0.30 |
0.25 |
|
0.25 |
|
|
|
20Mn3 |
0.17-0.24 |
0.17-0.35 |
0.60-0.80 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
X42 |
0.13-0.20 |
0.17-0.35 |
0.80-1.00 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
|
|
X46 |
0.13-0.20 |
0.17-0.35 |
0.90-1.10 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
|
|
X52
(14MnNb) |
0.11-0.16 |
0.17-0.35 |
1.10-1.45 |
0.015 |
0.010 |
0.30 |
0.30 |
0.15 |
0.25 |
0.025 |
0.04-0.07 |
|
X56
(16MnV5) |
0.13-0.20 |
0.17-0.35 |
1.10-1.35 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
0.07-0.10 |
|
X60
(16MnV5/1) |
0.13-0.20 |
0.17-0.35 |
1.10-1.35 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
0.10-0.14 |
|
X70
(15MnNb6) |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
X80 |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
X100 |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
Q195B |
0.06-0.12 |
0.30 |
0.25-0.50 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q215B |
0.09-0.15 |
0.30 |
0.25-0.55 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q235A |
0.14-0.22 |
0.30 |
0.30-0.65 |
0.045 |
0.050 |
|
|
|
|
|
|
|
Q235B |
0.12-0.22 |
0.30 |
0.30-0.70 |
0.045 |
0.045 |
|
|
|
|
|
|
|
Q235C |
≤0.18 |
0.30 |
0.30-0.65 |
0.040 |
0.040 |
|
|
|
|
|
|
|
Q235D |
≤0.17 |
0.30 |
0.30-0.65 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q255B |
0.18-0.28 |
0.30 |
0.40-0.70 |
0.045 |
0.045 |
|
|
|
|
|
|
|
Q275 |
0.28-0.38 |
0.35 |
0.50-0.80 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q345B
(16Mn) |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.035 |
0.035 |
|
|
|
|
≥0.015 |
0.02-0.15 |
Nb:0.015-0.025
Ti:0.02-0.20 |
|