1.SIZES  (mm)

Φ8x8	Φ8x10	Φ10x10	Φ10x12	Φ12x12	Φ12x14	Φ14x14
Φ14x16	Φ16x16	Φ16x18	Φ18x20	Φ20x25	Φ25x30	Φ30x35
Φ35x40	Φ40x45	Φ45x50	Φ50x55	Φ55x60	Φ60x70	Φ60x80

2.       CHEMICAL ELEMENTS(%)

Ingredient  Name of article	C	Si	Mn	Cr	S	P
High chirome alloy casting section	1.8-3.2	0.3-1.2	1.1-2.6	10-14	≤0.1	≤0.1
Low chrome alloy casting section	1.7-3.5	0.5-1.8	0.3-1.5	0.3-2.0	≤0.15	≤0.15

3.      MECHANICAL PROPERTIES AND MICROSTRUCTURE

Items Name of article	Surface hardness（HRC）	Microstructure	Impact toughenss（j/cm2）
High chrome alloy casting section	50-60	M+C	5
Complex alloy casting section	45-53	P+C	3