Item	Cr-Mo Alloy Steel Ⅰ	Cr-Mo Alloy Steel Ⅱ	Cr-Mo Alloy Steel Ⅲ	High Cr White Iron	High Cr Alloy Steel	High Mn Steel	Ni-hard Cast Iron
C	0.3-0.5	0.65-0.90	0.4-0.9	2.4-3.2	1.1-2.2	0.9-1.3	2.4-3.6
Si	0.15-1.20	≤0.75	0.7-1.2	0.6-1.2	0.6-1.2	≤0.8	≤0.8
Mn	0.4-1.2	0.5-1.2	0.6-1.0	0.5-1.0	0.5-1.0	11.0-18.0	≤2.0
Cr	1.7-2.5	1.5-2.5	4.0-7.0	12.0-30.0	11.0-30.0	1.5-2.5	1.5-10
S	≤0.04	≤0.06	≤0.04	≤0.04	≤0.04	≤0.04	≤0.15
P	≤0.04	≤0.06	≤0.06	≤0.06	≤0.06	≤0.06	≤0.15
Mo	≤0.5	≤0.5	≤0.15	0.1-3.0	0.1-3.0	≤1.0	≤0.1
Cu	0.1-0.6	≤0.25	0.2-0.4	0.1-1.0	0.1-1.0	-	-
Ni	≤0.5	≤0.3	0-0.3	0-0.3	0-0.3	-	3.3-10
Re	≤0.02	≤0.02	≤0.02	-	-	-	-
Equivalent Specifications	DL/T 681-1999 GB/T26651-2011	AS2074L2B Mod	DL/T 681-1999	GB/T8263-1999 AS2027 Cr27 AS2027 CrMo 15/3 AS2027 CrMo 20/2/1 ASTM A532 Class Ⅲ Type A 25%Cr ASTM A532 Class ⅡType B 15%Cr-Mo BS4844 3E DIN1695 NAF32401		GB/T5680-1998 DL/T 681-1999 JISG5153-1999 ASTM A128 DIN GX120Mn12 AFNORZ120Mn12	GB/T8263-1999 AS2027/Ni-Cr1-550 AS2027/Ni-Cr2-500 AS2027/Ni-Cr4-500 AS2027/Ni-Cr1-550 AS2027/Ni-Cr4-600 AS2027/Ni-Cr1-630 ASTMA5321-A,B,C,D ASTMA5322-A,B,C,D,E ASTMA5323-A
Material type	Martensite Steel	Martensite or Pearlitic Cr Mo Steel	Martensite Steel	Martensite Matrix		Austenitic Mn Steel		-
Hardness	HRC≥48	HB470&HB321-370	HRC≥50	HRC≥56		HB≤300		HRC≥56
Impact Value	AK≥40J	-	AK≥10J	AK≥4J		AK≥80J		-

Our foundry has complete melting,heat treatment and test equipments,such as mid frequency induction

electrical furnaces,quenching and tempering furnaces,blast shot,spectrometer,Rockwell and Brinell

Hardness tester,impactor,UT tester and metallographic microscope.We achieved the certificate of

quality management system ISO 9001:2000.We have been exporting castings to oversea markets,such as Brazil,Australia and South Africa.

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