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GB 18248---------�й����ұ�׼
JIS G3429--------�ձ���ҵ��׼
��ƿ���޷�ֹܵ���Ҫ�����ֹ��ƺ�
37Mn��34Mn2V��30CrMo��35CrMo��STH11��STH12��STH21��STH22�ȡ�
��ƿ���޷�ֹܵĻ�е����
|
��׼ |
�ƺ� |
����ǿ��(Mpa) |
����ǿ��(Mpa) |
�쳤��(%) |
|
GB 18248 |
37Mn |
��750 |
��630 |
��16 |
|
34Mn2V |
��745 |
��530 |
��16 |
|
30CrMo |
��930 |
��785 |
��12 |
|
35CrMo |
��980 |
��835 |
��12 |
��ƿ���޷�ֹܵĹ���
|
�⾶ |
�ں� |
|
60 |
3.5 |
|
70 |
3.5 |
|
89 |
4.5 |
|
108 |
4.0��4.5��5.0��5.5��6.0 |
|
121 |
4.5 |
|
127 |
4.5��7.5 |
|
140(139.7) |
4.5��5.0��8.0 |
|
159 |
5.0��5.5 |
|
165 |
5.0 |
|
180 |
7.0��8.0 |
|
219 |
6.3��6.5��7.0 |
|
229 |
6.3��7.0 |
|
232 |
6.0 |
|
267 |
7.0 |
|
273 |
7.5��8.2��9.0 |
|
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