Materials Database

Browse common CNC materials, compare cutting data, and jump directly into the feed speed calculator.

Aluminum 6061

aluminum

Excellent machinability, use high speeds

Speed range: 200-500 m/min

Machinability: Excellent

Aluminum 7075

aluminum

Harder than 6061, reduce speed slightly

Speed range: 150-400 m/min

Machinability: Very good

Steel 1045

steel

Medium carbon steel, good general purpose

Speed range: 60-150 m/min

Machinability: Good

Stainless Steel 304

stainless

Work hardening tendency, maintain consistent chip load

Speed range: 40-100 m/min

Machinability: Moderate

Stainless Steel 316

stainless

More difficult than 304, use sharp tools

Speed range: 35-90 m/min

Machinability: Fair

Titanium Ti-6Al-4V

titanium

Low thermal conductivity, use flood coolant

Speed range: 30-60 m/min

Machinability: Challenging

Brass C360

brass

Free machining, excellent chip formation

Speed range: 150-400 m/min

Machinability: Excellent

Delrin (POM)

plastic

Use sharp tools, avoid heat buildup

Speed range: 200-600 m/min

Machinability: Excellent

Cast Iron

iron

Produces dust-like chips, use dust extraction

Speed range: 60-120 m/min

Machinability: Good

Copper

copper

Soft and gummy, use sharp polished tools

Speed range: 100-300 m/min

Machinability: Moderate

Aluminum 2024

aluminum

High-strength aerospace alloy

Speed range: 120-320 m/min

Machinability: Very good

Aluminum 5083

aluminum

Marine-grade aluminum, stable cutting

Speed range: 180-420 m/min

Machinability: Excellent

Alloy Steel 4140

steel

General-purpose alloy steel

Speed range: 50-120 m/min

Machinability: Good

Alloy Steel 4340

steel

High-strength alloy, reduce heat

Speed range: 45-110 m/min

Machinability: Fair

Tool Steel A2

steel

Air-hardening tool steel

Speed range: 25-60 m/min

Machinability: Fair

Stainless 17-4PH

stainless

Precipitation-hardening stainless steel

Speed range: 35-90 m/min

Machinability: Fair

Stainless 430

stainless

Ferritic stainless with steady chips

Speed range: 45-110 m/min

Machinability: Good

Duplex 2205

stainless

High strength duplex stainless steel

Speed range: 30-80 m/min

Machinability: Challenging

Titanium Ti-5553

titanium

Beta titanium alloy for critical parts

Speed range: 20-45 m/min

Machinability: Difficult

Titanium Grade 2

titanium

Commercially pure titanium

Speed range: 25-50 m/min

Machinability: Difficult

Brass C260

brass

Cartridge brass with clean chips

Speed range: 120-320 m/min

Machinability: Excellent

Bronze C932

brass

Bearing bronze, watch built-up edge

Speed range: 80-220 m/min

Machinability: Good

Copper C110

copper

High conductivity copper, gummy chips

Speed range: 90-240 m/min

Machinability: Moderate

Beryllium Copper

copper

Strong copper alloy, stable finish

Speed range: 70-180 m/min

Machinability: Good

Nylon 6

plastic

Control heat to reduce smearing

Speed range: 180-450 m/min

Machinability: Good

PEEK

plastic

High-performance polymer, avoid overheating

Speed range: 120-260 m/min

Machinability: Moderate

Acrylic

plastic

Use sharp edges to prevent cracking

Speed range: 150-400 m/min

Machinability: Good

Ductile Iron

iron

Stronger than gray iron, stable roughing

Speed range: 55-140 m/min

Machinability: Good

Gray Iron

iron

Dry chips, good damping

Speed range: 60-160 m/min

Machinability: Excellent

Alloy Steel 8620

steel

Case-hardening steel for gears

Speed range: 50-115 m/min

Machinability: Good

Steel 1018

steel

Steel 1018 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Steel 1020

steel

Steel 1020 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Steel 1035

steel

Steel 1035 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Steel 1050

steel

Steel 1050 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Steel 1060

steel

Steel 1060 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Alloy Steel 4130

steel

Alloy Steel 4130 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Alloy Steel 4150

steel

Alloy Steel 4150 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Alloy Steel 4340M

steel

Alloy Steel 4340M reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Alloy Steel 5140

steel

Alloy Steel 5140 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Spring Steel 5160

steel

Spring Steel 5160 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Tool Steel O1

steel

Tool Steel O1 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Tool Steel D2

steel

Tool Steel D2 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Tool Steel H13

steel

Tool Steel H13 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Tool Steel P20

steel

Tool Steel P20 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

HSS M2

steel

HSS M2 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

EN8

steel

EN8 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

EN19

steel

EN19 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

EN24

steel

EN24 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

S45C

steel

S45C reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

SCM440

steel

SCM440 reference cutting data for setup planning.

Speed range: 35-120 m/min

Machinability: Good

Stainless 303

stainless

Stainless 303 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 304L

stainless

Stainless 304L reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 310

stainless

Stainless 310 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 316L

stainless

Stainless 316L reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 321

stainless

Stainless 321 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 347

stainless

Stainless 347 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 410

stainless

Stainless 410 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 416

stainless

Stainless 416 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 420

stainless

Stainless 420 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 431

stainless

Stainless 431 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 440C

stainless

Stainless 440C reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 15-5PH

stainless

Stainless 15-5PH reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Stainless 13-8PH

stainless

Stainless 13-8PH reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

A286 Stainless

stainless

A286 Stainless reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Super Duplex 2507

stainless

Super Duplex 2507 reference cutting data for setup planning.

Speed range: 25-90 m/min

Machinability: Fair

Compacted Graphite Iron

iron

Compacted Graphite Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Austempered Ductile Iron

iron

Austempered Ductile Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Malleable Iron

iron

Malleable Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Chilled Cast Iron

iron

Chilled Cast Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Ni-Hard Iron

iron

Ni-Hard Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Gray Iron FC250

iron

Gray Iron FC250 reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Gray Iron FC300

iron

Gray Iron FC300 reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Ductile Iron FCD450

iron

Ductile Iron FCD450 reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Ductile Iron FCD600

iron

Ductile Iron FCD600 reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

High Silicon Iron

iron

High Silicon Iron reference cutting data for setup planning.

Speed range: 50-160 m/min

Machinability: Good

Aluminum 1050

aluminum

Aluminum 1050 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 1100

aluminum

Aluminum 1100 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 2017

aluminum

Aluminum 2017 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 2024-T3

aluminum

Aluminum 2024-T3 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 5052

aluminum

Aluminum 5052 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 5086

aluminum

Aluminum 5086 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 6063

aluminum

Aluminum 6063 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 6082

aluminum

Aluminum 6082 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 7050

aluminum

Aluminum 7050 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Aluminum 7068

aluminum

Aluminum 7068 reference cutting data for setup planning.

Speed range: 120-450 m/min

Machinability: Excellent

Naval Brass C464

brass

Naval Brass C464 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Architectural Bronze C385

brass

Architectural Bronze C385 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Brass C485

brass

Brass C485 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Aluminum Bronze C954

brass

Aluminum Bronze C954 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Nickel Aluminum Bronze C630

brass

Nickel Aluminum Bronze C630 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Manganese Bronze C863

brass

Manganese Bronze C863 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Tin Bronze C905

brass

Tin Bronze C905 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Tin Bronze C907

brass

Tin Bronze C907 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Leaded Tin Bronze C922

brass

Leaded Tin Bronze C922 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Bearing Bronze C936

brass

Bearing Bronze C936 reference cutting data for setup planning.

Speed range: 100-320 m/min

Machinability: Excellent

Oxygen-Free Copper C101

copper

Oxygen-Free Copper C101 reference cutting data for setup planning.

Speed range: 70-240 m/min

Machinability: Moderate

Oxygen-Free Copper C102

copper

Oxygen-Free Copper C102 reference cutting data for setup planning.

Speed range: 70-240 m/min

Machinability: Moderate

Tellurium Copper C145

copper

Tellurium Copper C145 reference cutting data for setup planning.

Speed range: 70-240 m/min

Machinability: Moderate

Beryllium Copper C172

copper

Beryllium Copper C172 reference cutting data for setup planning.

Speed range: 70-240 m/min

Machinability: Moderate

CuCrZr

copper

CuCrZr reference cutting data for setup planning.

Speed range: 70-240 m/min

Machinability: Moderate

Titanium Grade 5

titanium

Titanium Grade 5 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Titanium Grade 9

titanium

Titanium Grade 9 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Titanium Grade 23

titanium

Titanium Grade 23 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Beta-C Titanium

titanium

Beta-C Titanium reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Inconel 718

titanium

Inconel 718 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Inconel 625

titanium

Inconel 625 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Hastelloy X

titanium

Hastelloy X reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Waspaloy

titanium

Waspaloy reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Stellite 6

titanium

Stellite 6 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

Cobalt L605

titanium

Cobalt L605 reference cutting data for setup planning.

Speed range: 18-60 m/min

Machinability: Difficult

PTFE

plastic

PTFE reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

HDPE

plastic

HDPE reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

UHMW-PE

plastic

UHMW-PE reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

ABS

plastic

ABS reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

Polycarbonate

plastic

Polycarbonate reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

PVC

plastic

PVC reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

PPS

plastic

PPS reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

PET

plastic

PET reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

G10 Laminate

plastic

G10 Laminate reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good

CFRP

plastic

CFRP reference cutting data for setup planning.

Speed range: 100-450 m/min

Machinability: Good