|
牌号
|
状态
|
拉伸试验Tensile test
|
硬度试验Hardness test
|
|
厚度mm
|
拉伸强度(MPa)
|
伸长率(%)
|
厚度mm
|
维氏硬度 HV
|
|
C7521
|
O
|
0.03-2.0
|
≥375
|
≥25
|
≥0.03
|
90-120
|
|
1/4H |
380-440 |
≥20 |
≥0.03 |
110-150 |
|
1/2H
|
440-570
|
≥5
|
≥0.03
|
120-180
|
|
H
|
≥570
|
≥3
|
≥0.03
|
150-210
|
|
C7701
|
O |
0.03-2.0
|
≥40 |
≥40 |
≥0.03 |
≤120 |
|
1/4H |
475-600 |
≥15 |
≥0.03 |
120-150 |
|
1/2H
|
540-655
|
≥8
|
≥0.03
|
150-180
|
|
H
|
630-750
|
≥3
|
≥0.03
|
180-210
|
|
EH
|
700-810
|
-
|
≥0.03
|
210-240
|
|
SH
|
740-850
|
-
|
-
|
240-270
|
|
C7541 |
O |
0.03-2.0
|
≥340 |
≥35 |
≥0.03 |
- |
|
1/4H |
340-440 |
≥20 |
≥0.03 |
75-125 |
|
1/2H |
440-570 |
≥5 |
≥0.03 |
110-170 |
|
H |
540-690 |
≥1.5 |
≥0.03 |
- |
|
EH |
≥640 |
- |
≥0.03 |
145-195 |
|