|
牌号
|
状态
|
拉伸试验
|
硬度测试 |
|
拉伸强度 (MPa)
|
伸长率 (%)
|
维氏硬度HV
|
|
C2200 |
O |
≥245 |
≥35 |
≤80 |
|
1/2H |
330-440 |
≥5 |
80-110 |
|
H |
≥390 |
≥3 |
≥110 |
|
C2600
|
O
|
≥290
|
≥40
|
≤90
|
|
1/4H
|
325-410
|
≥35
|
90-120
|
|
1/2H
|
355-460
|
≥25
|
120-150
|
|
H
|
410-540
|
≥13
|
150-180
|
|
EH
|
520-620
|
≥4
|
180-210
|
|
SH
|
≥570
|
-
|
≥210
|
|
C2620
|
O
|
≥290
|
≥40
|
≤90
|
|
1/4H
|
325-410
|
≥35
|
90-120
|
|
1/2H
|
355-460
|
≥25
|
120-150
|
|
H
|
410-540
|
≥13
|
150-180
|
|
EH
|
520-620
|
≥4
|
180-210
|
|
SH |
≥570 |
- |
≥210 |
|
C2680 |
O |
≥290 |
≥40 |
≤90 |
|
1/4H |
325-410 |
≥35 |
85-115 |
|
1/2H |
355-460 |
≥25 |
100-130 |
|
H |
410-540 |
≥13 |
120-160 |
|
EH |
520-620 |
≥4 |
150-190 |
|
SH |
≥570 |
- |
≥180 |
|
C2800
|
O
|
≥290
|
≥35
|
≤90
|
|
1/4H
|
355-440
|
≥20
|
90-120
|
|
1/2H
|
415-515
|
≥15
|
120-150
|
|
H
|
≥585
|
-
|
≥150
|
|