Relative processing properties of commonly used materials for CNC machining
Relative processing of machined materials:
First, easy to cut steel
Processing grade: 2
Material processing properties: easy processing
Relative workability K: 2.5 ~ 3
Representative materials: automatic machine steel (σb = 400 ~ 500MPa)
Second, the general non-ferrous metals for CNC machined parts
Processing grade: 1
Material processing properties: very easy to process
Relative workability K: 8 ~ 20
Representative materials: aluminum-magnesium alloy, 5-5-5 copper-lead alloy
Third, the general carbon steel and cast iron
Processing grade: 4
Material processing properties when CNC machining : ordinary
Relative workability K: 1.0 ~ 1.5
Representative materials: 45 steel, gray cast iron
Fourth, easier to cut steel
Processing grade: 3
Material processing properties: easy processing
Relative workability K: 1.6 ~ 2.5
Representative material: 30 steel normalizing (σb = 500 ~ 580MPa)
Fifth, more difficult to cut materials
Processing grade: 6
Material processing properties: difficult to process
Relative workability K: 0.5 ~ 0.65
Representative materials: 65Mn quenched and tempered (σb = 950 ~ 1000MPa), easy to cut stainless steel
Six, slightly difficult to cut materials
Processing grade: 5
Material processing properties: ordinary
Relative workability K: 0.7 ~ 0.9
Representative materials: 85 rolling, 2Cr13 quenched and tempered (σb = 850MPa)
Seven, it is difficult to cut materials
Processing grade: 8
Material processing properties: difficult to process
Relative workability K: 0.04 to 0.14
Representative materials: heat-resistant alloy steel, titanium alloy
8, difficult to cut materials
Processing grade: 7
Material processing properties: difficult to process
Relative workability K: 0.15 ~ 0.5
Representative materials: stainless steel (1Cr18Ni9Ti)
Lemo are export on CNC machining processing, pls conttact us as below :
Amy Chen
Oversea Marketing Manager
Dongguan Lemo Precision Metal Products Co.,Ltd
No.84 Zhongli Rd,Nancheng,Dongguan,
Guangdong,523000,China.
Direct Phone: 86-137 1326 2409
Tel: 86-769-8803 9052(Ext 2280)
Fax: 86-769-8803 8031
Skype: amylemo
Email: amy.chen@lemo-machining.com
URL1: www.lemo-machining.com
