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