CNC Machining Metal

CNC Machining Metal

Material Tensile Strength
σb(Mpa)
Yield Strength
σs(Mpa)
Hardness/HB Densityg/cm3 Elongation/% Feature
Aluminium  
2024-T3/T4 470-485 325-345 120~145 2.82 10-12 High strength
High fatigue resistance
5052-H32 228 193 60 2.68 12 High strength
High fatigue resistance
6061-T6 310 275 95 2.73 6-10 Good weldability
Commonly extruded
Suitable for hot forging
6063-T5/T6 185 145 95 2.73 8
6082-T6 245 140 95 2.73 10 Higher strength
Lower ductility
Wrought 
7075-T6 570 505 150 2.82 11 Good fatigue strength
Low resistance
Good corrosion resistance
High strength-to-density ratio
MIC-6 166 105 95 2.82 11 Good corrosion resistant
Good formability
High intensity
Steel  
1010 325 180 137 7.85 31 Good plasticity
Good toughness
Low strength
1018 453 245 197 7.85 14-22.5
1020 500 275 131 7.85 25
A3 500 235 150 7.85 26.5 Good combination property
A8 240 195 45-65 7.85 32 High toughness
High plasticity
Low strength
A36 400 250 160 7.85 20 Common welding material
Cheap and easy on welding
8620 1176 785 197 7.9 9 High hardness
High  abrasive resistance
High fatigue strength
1045 625 530 229 7.85 16 Good strength
Low hardenability
4130 560-731 460 229 7.85 12 High  strength
Good hardenability
Good toughness
4140 1080 930 217 7.85 12 High  strength
High hardenability
Good toughness
4340 745 470 269 7.85 12 Excellent strength
High fatigue strength
Hign  toughness
S7  680 650 215 7.85 10 Good toughness
Shock resistance
High impact resistance
SKD-11 689 655 255 7.85 10 High temperature strength
High temperature resistance
High hardness
High wear resistant
Good toughness
Good hardenability
High abrasive resistance
A2 689 655 248 7.85 10 High abrasion resistance
Excellent hardness
High toughness
A10 335 205 137 7.85 12 High abrasion resistance
Excellent hardness
Excellent toughness
D2 370 210 255 7.85 13 High impact resistance
High abrasive resistance
8620 1176 785 261 7.85 9 High temperature strength
High temperature resistance
High hardness
Stainless Steel  
201 750 230 183 7.64-7.93 55-60 Good acid/alkali-resisting
High density
Non-magnetic
Pinhole-free
SS304 517 206 201 7.93 40 Good combination property
High corrosion resistance
Good  heat resistance
High acid/alkali-resisting
303 515 205 90-100 7.93 40 High corrosion resistance
High acid/alkali-resisting
316 580 172 187 7.98 40 High corrosion resistance
High temperature resistance
Excellent acid/alkali-resisting
316L 485 170 180 7.98 40
15-5PHSS 550 200 187 7.93 40 Good combination property
High corrosion resistance
Good  heat resistance
High acid/alkali-resisting
17-4PHSS 930 725 363 7.8 16 High strength
High corrosion resistance
Excellent machinability
17-7PHSS 1030 725 380 7.93 16 High strength
Excellent corrosion resistance
Good toughness
440C 560 250 269 7.75 20 Excellent corrosion resistance
High temperature resistance
High hardness
420 635 440 201 7.75 20 Excellent corrosion resistance
High temperature resistance
High hardness
Others  
Titanium Ti 6Al-4V 235 140 195 4.51 50-60 Low density
Hign strength
Resistant to corrosion in sea Water, aqua regia, and chlorine.
Titanium Grade 5 6Al-4V 1050 827 195 4.5 25 High tensile strength and toughness
Light in weight
Extraordinary corrosion resistance
The ability to withstand extreme temperatures
Zamark#3 283 221 65-145 6.6 10 Superior corrosion resistance
Low  creep strength
Bronze 255 69 55-70 7.5-8.9 46-70 Ductile
High electrical conductivity
Brass  478 239 53-56 8.5-8.8 44-60 High electrical conductivity
High malleability
Good flow characteristics
Copper  394 258 35-45 8.89 45-50 Thermal 
High electrical conductivity
High ductility