C(min)(化学成份)(%) |
0.28 |
0.33 |
0.23 |
0.33 |
0.38 |
0.18 |
0.28 |
0.33 |
0.18 |
0.34 |
0.33 |
C(max)(化学成份)(%) |
0.33 |
0.38 |
0.28 |
0.38 |
0.43 |
0.23 |
0.33 |
0.38 |
0.23 |
0.41 |
0.38 |
Si(min)(化学成份)(%) |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
Si(max)(化学成份)(%) |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
Mn(min)(化学成份)(%) |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.8 |
0.5 |
1.1 |
Mn(max)(化学成份)(%) |
0.9 |
0.9 |
0.9 |
0.9 |
0.9 |
0.9 |
0.9 |
0.9 |
1.1 |
0.8 |
1.4 |
P(max)(化学成份)(%) |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
S(max)(化学成份)(%) |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
Cr(min)(化学成份)(%) |
|
|
|
0.9 |
0.9 |
|
|
|
|
0.2 |
|
Cr(max)(化学成份)(%) |
|
|
|
1.2 |
1.2 |
|
|
|
|
0.4 |
|
B(min)(化学成份)(%) |
|
|
|
|
|
0.0008 |
0.0008 |
0.0008 |
0.0008 |
0.0008 |
0.0008 |
B(max)(化学成份)(%) |
|
|
|
|
|
0.0035 |
0.0035 |
0.0035 |
0.0035 |
0.0035 |
0.0035 |
Al(min)(化学成份)(%) |
|
|
|
|
|
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
Tensile strength(max)(热处理工艺)(MPa) |
550 |
560 |
540 |
600 |
620 |
500 |
530 |
570 |
520 |
600 |
600 |
Post systolic shrinkage(min)(热处理工艺)(%) |
59 |
58 |
60 |
60 |
58 |
64 |
62 |
62 |
62 |
60 |
60 |
Hardness(max)(热处理工艺)(HB) |
179 |
187 |
170 |
|
|
|
|
|
|
|
|
Recommended quenching piont(min)(热处理工艺)(℃) |
|
865 |
|
845 |
845 |
875 |
845 |
845 |
875 |
|
845 |
Recommended quenching piont(max)(热处理工艺)(℃) |
|
875 |
|
855 |
855 |
885 |
855 |
855 |
885 |
|
855 |
HRC from 9mm at the end of quenching(min)(热处理工艺)(HRC) |
|
28 |
|
35 |
41 |
|
22 |
24 |
20 |
|
36 |
HRC from 9mm at the end of quenching(max)(热处理工艺)(HRC) |
|
|
|
52 |
58 |
37 |
44 |
52 |
41 |
|
55 |
Normalizing point(min)(热处理工艺)(℃) |
AC3+30 |
AC3+30 |
AC3+30 |
|
|
880 |
870 |
860 |
880 |
855 |
860 |
Normalizing point(max)(热处理工艺)(℃) |
AC3+50 |
AC3+50 |
AC3+50 |
|
|
910 |
900 |
890 |
910 |
885 |
890 |
Direct quenching point(min)(热处理工艺)(℃) |
|
|
|
830 |
820 |
860 |
850 |
840 |
860 |
835 |
840 |
Direct quenching point(max)(热处理工艺)(℃) |
|
|
|
870 |
860 |
890 |
890 |
880 |
890 |
880 |
880 |
Quenchant(热处理工艺) |
|
|
|
水或油 |
油或水 |
水或油 |
水或油 |
水或油 |
水或油 |
水或油 |
油 |
Temper point(min)(热处理工艺)(℃) |
|
|
|
540 |
540 |
550 |
550 |
550 |
550 |
550 |
550 |
Temper point(max)(热处理工艺)(℃) |
|
|
|
680 |
680 |
660 |
660 |
660 |
660 |
660 |
660 |