GH4220 (GH220)
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GH4220°ª·Å¦Xª÷¤Æ¾Ç¦¨¤À
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¦Xª÷ | C | Cr | Ni | Co | Mo | Al | Ti | Fe | W |
GH4220 |
0.08 | 9.0 12.0 | ¾l¶q | 14.0 15.5 | 5.00 7.00 | 3.90 4.80 | 2.20 2.90 |
3.00 | 5.00 6.00 |
Mg | B | Zr | V | Si | Mn | P | S | Cu | |
0.010 |
0.020 | - | 0.250 0.800 | 0.35 | 0.50 | 0.015 | 0.009 | 0.070 |
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B Ås´¹¼ö³B²z¨î«×¡G1220¢J¡Ñ4h¡]3~7¡^min¡÷1100¢J/AC¡Þ1050¢J¡Ñ4h/AC¡Þ950¢J¡Ñ2h/AC.