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��(bi��o)��(zh��n) |
��̖(h��o) |
������(qi��ng)��(MPa) |
������(qi��ng)��(MPa) |
���L��(%) |
|
GB/T5312 |
320 |
320-410 |
��195 |
��25 |
|
360 |
360-480 |
��215 |
��24 |
|
410 |
410-530 |
��235 |
��22 |
|
460 |
460-580 |
��265 |
��21 |
|
490 |
490-610 |
��285 |
��21 |
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|
��(bi��o)��(zh��n) |
��̖(h��o) |
���W(xu��)�ɷ�(%) |
|
C |
Si |
Mn |
P |
S |
|
GB/T5312 |
320 |
��0.16 |
��0.35 |
0.40��0.70 |
��0.035 |
��0.035 |
|
360 |
��0.17 |
��0.35 |
0.40��0.80 |
��0.035 |
��0.035 |
|
410 |
��0.21 |
��0.35 |
0.40��1.20 |
��0.035 |
��0.035 |
|
460 |
��0.22 |
��0.35 |
0.80��1.40 |
��0.035 |
��0.030 |
|
490 |
��0.23 |
��0.35 |
0.80��1.50 |
��0.035 |
��0.030 |
ע������Ԫ��Cr��0.25%��Mo��0.10%��Ni��0.30%��Cu��0.30%������0.70%��
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|
14��1.5-2.5-3 |
70��4-4.5-5-6-7-8-9-10-12-15-16 |
203��6-7-10-15-20-25-30 |
|
16��1.5-2.5-4 |
73��4-4.5-5-6-7-8-9-10-12-15 |
203��32-36-40-45-50 |
|
18��2.3-4-5 |
76��4-4.5-5-6-7-8-9-10-12-14 |
219��6-8-12-16-18-20-25 |
|
20��2.5-3-5 |
83��4.5-5-10-12-14-16-18-20 |
219��30-40-45-50-55 |
|
24��2.5-3-4-5-6 |
89��4.5-8-10-12-14-16-18-20 |
219��55-58-60-65-70 |
|
25��2.5-3-4-5-6 |
95��4.5-6-8-10-12-14-16-20 |
245��8-10-14-17-20-22 |
|
28��3-3.5-4-5-6 |
102��4.5-5-6-7-8-10-12-14-16-20 |
245��25-28-30-34-40 |
|
32��3.5-4-5-6-8 |
108��4.5-5-6-7-8-10-12-14-18-20-22 |
273��7-9-12-15-18-20-25 |
|
34��4-5-6-8 |
114��4.5-5-6-7-8-10-12-14-18-20 |
273��30-35-38-40-45-50 |
|
36��3.5-5-6-8 |
121��4.5-5-6-7-8-10-12-14-16-20 |
299��8-12-16-20-24-28 |
|
38��4-5-6-7-8-9-10 |
127��4.5-5-6-7-8-10-12-14-16-20 |
299��30-32-36-38-40-45 |
|
39��3.5-5-8-10 |
133��4.5-6-8-12-14-16-18-20-25-30 |
325��8-12-14-18-38-42 |
|
42��3.5-4-5-6-7-8-9-10 |
140��5-6-7-8-9-10-12-14-16-20-22 |
325��28-32-34-38-42 |
|
45��3.5-4-5-6-7-8-9 |
146��4.5-6-8-12-14-16-18-20-25-30 |
351��10-16-20-25-40 |
|
48��3.5-4-5-6-7-8-9-10 |
152��4.5-6-8-12-14-16-18-20-25-30 |
355��6-18-20-25-30-40/52 |
|
51��3.5-4-5-6-7-8-9-10 |
159��4.5-6-10-12-14 |
377��8-12-15-20-24-28 |
|
56��3.5-4-5-6-7-8-9-10 |
159��16-18-20-22-25-30 |
377��30-37-40-45-50 |
|
57��3.5-5-6-7-8-9-10-12 |
168��8-10-12-14-20-25-30-35 |
402��10-15-20-25-30-35 |
|
60��3.5-4.5-5-6-7-8-9-12-14 |
180��8-12-16-25-30 |
406��10-20-25-28-35-40 |
|
63��3.5-4.5-5-6-7-8-9-10-12-14 |
180��32-34-38-40-45-50 |
426��10-12-14-16-20-25-30-35-40 |
|
68��4-4.5-5-6-7-8-9-10-12-14-16 |
194��6-8-12-16-20-25-30-40-45-50 |
|
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