Spécification standard mpo na ni-hard cast fer .

Spécification standard mpo na ni-hard cast fer .
参考标准 Norme ya référence . (ISO 21988-2005)	化学成分Composition chimique nonminal (W%) .							对应国际标准 Eqv. Mibeko .
	C	SI .	MN .	P	S	Ni ya Ni .	CR .
HBW480CR2.	2.5-3.0	Moke koleka to ekokani na 0,8.	Moke koleka to ekokani na 0,8.	Moke koleka to ekokani na 0,10 .	Moke koleka to ekokani na 0,10 .	3.0-5.5	1.5-3.0	BTM NI4CR2-DT . EN-GJN-HV520 AS2027 NICR2-500 ASTM A 532 NI-CR-LC . GX 260 Nicr 4 2
HBW500CR9	2.4-2.8	1.5-2.2	0.2-0.8	Moke koleka to ekokani na 0,06 .	Moke koleka to ekokani na 0,06 .	4.0-5.5	8.0-10.0	EN-GJN-HV550 NI-CR-HC AS2027 NICR1-550 GX 330 Nicr 4 2
HBW510CR2.	3.0-3.6	Moke koleka to ekokani na 0,8.	Moke koleka to ekokani na 0,8.	Moke koleka to ekokani na 0,10 .	Moke koleka to ekokani na 0,10 .	3.0-5.5	1.5-3.0	BTM NI4CR2-GT . AS2027 NICR4-500 ASTM A532 C1-B NI-CR-HC ASTM A532 C1-C NI-CR-GB
HBW555CR9.	2.5-3.5	1.5-2.5	0.3-0.8	Moke koleka to ekokani na 0,08 .	Moke koleka to ekokani na 0,08 .	4.5-6.5	8.0-10.0	BTM CR9NI5. EN-GJN-HV600 AS2027 NICR4-600 GX 300 Crnisi9 5 2
HBW630CR9	3.2-3.6	1.5-2.2	0.2-0.8	Moke koleka to ekokani na 0,06 .	Moke koleka to ekokani na 0,06 .	4.0-5.5	8.0-10.0	BTM CR9NI5. AS2027 NICR4-630 ASTM A532 C1-D NI-HICR .