YSBC13234-88(445)
20Cr
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YSBC13234-88(445)
20Cr
19220-86(BH0220)
20Cr
GBW01357
20Cr
GSBH40004-88
20Cr
90-101
20Cr
YSBC41309-94材269
40Cr
YSBC13235-88(446)
40Cr
YSBC18303-93 BH0502-4
40Cr
YSBC20309-2000
10Cr2AlMoV
YSBC14201-93
40Cr
BYG912
20SiMnnV
BH0811-1
40Cr
YSBC28316-03
30CrMnTi
机字86-17
40Cr
YSBC28317-03
50CrV
GBW01322(86157)
SiMnB
BH0914
40Cr
712
25MnTiBRE
BH0221
40Cr
86-11
40Cr