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YB 235 D??89.5 ??0.8% ?????
D>89.5 ??1%
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??? ??? ???????(MPa) ???????(MPa) ??????(%) P S
YB 235 DZ40 637 373 14 ??0.040 0.045
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??? ?? ???mm??
(mm) ?????? ??????
J55 139.7 6.98 7.72 6.2 6.54 7.72
K55 177.8 4.04 9.19 6.91 8.05 9.19
219.1 4.94 10.16 7.72 8.94 10.14
244.5 4.94 10.03 8.94 10.03
273 9.09 10.16 11.43
339.7 9.65 10.92 12.19 13.06
N80 139.7 7.72 9.17 10.54
177.8 4.05 9.19 10.36 11.51 12.65 13.72
219.1 10.16 11.43 12.72 14.15
244.5 10.03 11.05 11.99 13.44 11.43 12.57
273 12.19 13.06
339.7
P110 139.7 7.72 9.17 19.54
177.8 9.19 10.36 11.51 12.45
219.1 11.43 12.7 14.15
244.5 11.05 11.59 13.41
273 11.43 12.57 13.84 15.11

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