YG8W 14.7~15.1 ≥90.0 ≥2170 K20~K25 Mid-fine alloy,it has super wearability and shock-resistance,it can be used for resistance welding,not suitable for high welding temperature. For common wood saw-tooth cutter,grass saw-tooth cutter and other wood wprier cutter. YG7 14.7~15.0 ≥90.5 ≥2220 K25 Mid-fine alloy with good wearability and shock-resistance,use resistance welding,not suitable for high welding temperature. For common wood saw-tooth cutter. YG6 14.8~15.1 ≥91.0 ≥2170 K20 Mid-fine alloy with good wearability and shock-resistance,use resistance welding,not suitable for high welding temperature. For common wood saw-tooth cutter. YG8 14.6~14.9 ≥90.0 ≥2400 K30 Mid-fine alloy with good wearability and shocl-resistance,use resistance welding,not suitable for high welding temperature. For common wood saw-tooth cutter and other the common aluminium saw-tooth. JC7Z 14.7~15.0 ≥91.5 ≥2220 K15 Sub-fine alloy with good red,hardness good wearability and good shocl-resistance,use resistance welding,not suitable for high welding temperature. For every kinds of the finish machining wood saw-tooth. JC9Z 14.6~14.9 ≥90.5 ≥2400 K20 Sub-fine alloy with good red,hardness good wearability and good shocl-resistance,use resistance welding,not suitable for high welding temperature. For every kinds of the finish machining wood saw-tooth. YG6X 14.8~15.1 ≥92.0 ≥2170 K10 Sub-fine alloy sharp cutting point good wear-resistance.Fissile in high temperature,srggest used high frequency induction welding and automatic welder. For professional industrial plywood,industial glueproof board,wood cutter. YC1 14.5~14.8 ≥92.0 ≥2280 K15 Sub-fine alloy sharp cutting point good wear-resistance,Fissile in high temperature,suggest used high frequency induction welding and automatic welder. For professional aluminium alloy cutter. YC2 12.4~12.7 ≥91.0 ≥1840 M30/P40 Fine alloy good high heat hardness and oxidation resistance,excellent shock resistance hard to welding,so please pay attention to welding quality. For common steel cutter.