{"id":4119,"date":"2020-08-19T12:42:54","date_gmt":"2020-08-19T12:42:54","guid":{"rendered":"https:\/\/xometry.de\/?p=4119"},"modified":"2025-06-03T17:54:20","modified_gmt":"2025-06-03T09:54:20","slug":"cnc-machining-materials-selection-guide","status":"publish","type":"post","link":"https:\/\/staging-wp.xometry.hk\/en\/cnc-machining-materials-selection-guide\/","title":{"rendered":"CNC Machining Materials Selection Guide"},"content":{"rendered":"\n

This guide contains all the materials available for CNC machining<\/a> on our instant quoting platform.<\/p>\n\n\n\n

Material Type<\/strong><\/td>Materials<\/strong><\/td><\/tr>
Aluminum<\/td>– EN AW-2007 \/ 3.1645 \/ AlCuMgPb
– EN AW-6060 \/ 3.3206 \/ Al-MgSi
– EN AW-6061 \/ 3.3211 \/ Al-Mg1SiCu
– EN AW-6082 \/ 3.2315 \/ Al-Si1Mg
– EN AW-7075 \/ 3.4365 \/ Al-Zn6MgCu<\/td><\/tr>
Steel<\/td>– S45C
– S50C
– Q235
– 3Cr2NiMo
– NAK 80
– 40Cr
– SKD11
– SKD61
– S136
– 1.7225 \/ 42CrMo4<\/td><\/tr>
Stainless Steel<\/td>– Cr12
– Stainless Steel 303 \/ 1.4305 \/ X10CrNiS18-9
– Stainless Steel 304 \/ 1.4301 \/ X5CrNi18.10
– Stainless Steel 316L \/ 1.4404 \/ X2CrNiMo17-12-2
– Stainless Steel 17-4PH \/ SUS630
– Stainless Steel 2205<\/td><\/tr>
Copper and Brass<\/td>– H56
– H62
– H69
– H96
– Beryllium Bronze
– Hpb58-3<\/td><\/tr>
Titanium<\/td>– TC4
– TC5
– TA2
– TA5<\/td><\/tr>
Polymers<\/td>– ABS
– PMMA \/ Acrylic
– Acetal \/ Delrin \/ POM
– Nylon \/ Polycaprolactam
– PC \/ Polycarbonate
– PEEK \/ Polyether ether ketone
– PEEK Glass-Filled
– PP Polypropylene
– PTFE \/ Teflon
– PVDF
– UHMW PE \/ Ultra-high-molecular-weight polyethylene
– PF<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Aluminum<\/strong><\/h2>\n\n\n\n

EN AW\u20132007 \/ 3.1645 \/ AlCuMgPb<\/strong><\/h3>\n\n\n\n

This is a short chipped aluminum alloy containing between 4.0 \u2013 5.0% copper. It is very suitable for high machining speeds and ideal for threading. In addition to copper, it also contains magnesium and lead. This material is commonly used for the production of machine parts, bolts and nuts. However, its copper content gives it low weldability and low resistance to corrosion.<\/p>\n\n\n\n

Download spec sheet for Aluminium 3.1645<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac<\/p>\n\n\n\n

EN AW\u20136060 \/ 3.3206 \/ AlMgSi<\/strong><\/h3>\n\n\n\n

This is a heat treatable alloy of aluminum with low strength. It has good resistance to corrosion, good weldability and very suitable for cold forming. It is applied in the production of lightings, furniture, flooring and other engineering applications with no special strength requirement.<\/p>\n\n\n\n

Download spec sheet for Aluminium 3.3206<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac<\/p>\n\n\n\n

EN AW\u20136061 \/ 3.3211 \/ Al-Mg1SiCu<\/strong><\/h3>\n\n\n\n

This alloy contains magnesium and silicon as its major alloying elements with trace amounts of copper. With a tensile strength of 180Mpa, this is a high strength alloy and is very suitable for highly loaded structures such as scaffolds, rail coaches, machine and aerospace parts.<\/p>\n\n\n\n

Download spec sheet for Aluminium 3.3211<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac<\/p>\n\n\n\n

EN AW\u20136082 \/ 3.2315 \/ Al-Si1Mg<\/strong><\/h3>\n\n\n\n

Typically formed by rolling and extrusion, this alloy has medium strength with very good weldability and thermal conductivity. It has high stress corrosion cracking resistance. It has a tensile strength that ranges from 140 \u2013 330MPa. It is heavily employed in offshore construction and containers.<\/p>\n\n\n\n

Download spec sheet for Aluminium 3.2315<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac<\/p>\n\n\n\n

EN AW\u20137075 \/ 3.4365 \/ Al-Zn6MgCu<\/strong><\/h3>\n\n\n\n

Zinc is the primary alloying element. It has high strength (57MPa), toughness and excellent resistance to fatigue. The surface can either be mill finished or brush finished. It has very good machinability. It is extensively used in the structural parts for aircrafts.<\/p>\n\n\n\n

Price:<\/strong> \u20ac<\/p>\n\n\n\n

Download spec sheet for Aluminium 3.4365<\/a><\/p>\n\n\n\n

Steel<\/strong><\/h2>\n\n\n\n

1.0038 \/ St37-k \/ S234JR<\/strong><\/h3>\n\n\n\n

This is a hot rolled pure structural steel. With good plasticity, toughness and weldability, it has a lower yield strength of 235MPa. This material can be formed into many products such as I beams, channels, plates, angle bars etc. its excellent weldability makes it to be widely used in bridges, transmission towers etc. It is equivalent to Fe360B.<\/p>\n\n\n\n

Download spec sheet for Steel 1.0038<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

1.0503 \/ C45<\/strong><\/h3>\n\n\n\n

This material has low thermal conductivity and low ductility among wrought carbon steels. With a relatively high tensile strength of 630MPa, it is used for screws, forgings, drills, shafts etc. A combination of size accuracy, straightness and concentricity results in minimal wear in high speed applications.<\/p>\n\n\n\n

Download spec sheet for Steel 1.0503<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

1.0570 \/ St52-3 \/ S355J2G3<\/strong><\/h3>\n\n\n\n

This unalloyed structural steel has a tensile strength of 680Mpa. Compared to other carbon steels, it has high electrical conductivity but low thermal conductivity and low ductility.<\/p>\n\n\n\n

Download spec sheet for Steel 1.0570<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

Stainless Steel<\/strong><\/h2>\n\n\n\n

1.4301 \/ X5CrNi18.10 (V2A)<\/strong><\/h3>\n\n\n\n

This is chromium-nickel austenitic stainless steel. The chromium element gives it excellent corrosion resistance. It has a tensile strength of 590MPa. It has good machinability but low thermal conductivity. It is used in kitchen equipment such as pans, tubes, sinks and many more. It is easily formable.<\/p>\n\n\n\n

Download spec sheet for Steel 1.4301<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac<\/p>\n\n\n\n

1.4404 \/ X2CrNiMo17-12-2 (V4A)<\/strong><\/h3>\n\n\n\n

The addition of molybdenum results in improved corrosion resistance with good stability against chloric and non oxidizing acid. It has good heat resistance which reduces in continuous use at 425 \u2013 861\u00b0C in water. It can be readily formed into different products. It has good machinability and is used in food processing equipment, boat fittings, bolts, nuts and springs.<\/p>\n\n\n\n

Download spec sheet for Steel 1.4404<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac<\/p>\n\n\n\n

1.4571 \/ X6CrNiMoTi17-12-2<\/strong><\/h3>\n\n\n\n

This stainless steel contains a small amount of titanium ( about 0.5%). The titanium gives the steel a stable structure at temperatures above 800\u00b0C. It has excellent corrosion resistance. It has good machinability but cannot be hardened by heat treatment. It is available as sheets, tubes, pipes, plates or bars. It is good for marine environments.<\/p>\n\n\n\n

Download spec sheet for 1.4571<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac\u20ac<\/p>\n\n\n\n

1.7131 \/ 16MnCr5<\/strong><\/h3>\n\n\n\n

It has high surface hardness and wear resistance with good machinability. With a tensile strength of 600MPa, it is ideal for the manufacturing of gears, worms, bushings and other machine components.<\/p>\n\n\n\n

Download spec sheet for Steel 1.7131<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

1.7225 \/ 42CrMo4<\/strong><\/h3>\n\n\n\n

This material has high strength, toughness, good hardenability and good resistance to impact. It is widely used in the construction of machines, axles, gear shafts, wheel and base plates. It is also used for the production of large plastic molds.<\/p>\n\n\n\n

Download spec sheet for Steel 1.7225<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

Copper and Brass<\/strong><\/h2>\n\n\n\n

2.0060 \/ E-Cu57 \/ Cu-ETP<\/strong><\/h3>\n\n\n\n

It has high conductivity and high corrosion resistance. It has a tensile strength of 360MPa. It is also known as Electrolytic Tough Pitch copper (ETP). It is normally used for general electrical components such as busbars, motors, windings etc. it has excellent formability and machinability.<\/p>\n\n\n\n

Download spec sheet for Copper 2.0060<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac<\/p>\n\n\n\n

CW004A \/ 2.0065 \/ E.Cu58<\/strong><\/h3>\n\n\n\n

This has high electrical conductivity. Its good machinability makes it easy to shape into different forms; profiles, sheets and plates. It is heavily used in the electrical\/electronics industry.<\/p>\n\n\n\n

Download spec sheet for Copper 2.0065<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac<\/p>\n\n\n\n

Ms58 \/ 2.0401 \/ CuZn39Pb3<\/strong><\/h3>\n\n\n\n

This material has excellent hot formability and can easily be soldered or brazed. It is suitable for use in the sanitary industry, engine and vehicle construction and swivel parts. It has very good free-cutting.<\/p>\n\n\n\n

Download spec sheet for Copper 2.0401<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac<\/p>\n\n\n\n

Titanium<\/strong><\/h2>\n\n\n\n

Grade 2 \/ EN 3.7035<\/strong><\/h3>\n\n\n\n

This unalloyed titanium has excellent strength-to-weight ratio with good resistance to corrosion. Due to its low thermal expansion, thermal stresses are low. It is widely used in weight-saving structures and also suitable in the medical sector due to its outstanding biocompatibility.<\/p>\n\n\n\n

Download spec sheet for Titanium Grade 2<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac\u20ac\u20ac<\/p>\n\n\n\n

Grade 5 \/ 6Al-4V9<\/strong><\/h3>\n\n\n\n

This contains 6% Aluminum, 4% vanadium and iron in trace amounts. It has exceptional strength compared to pure titanium but retains the same stiffness and thermal properties. It has easy machinability and weldability. With high strength and corrosion resistance, it can withstand a wide range of adverse environmental factors, including seawater. It is often used in subsea oil and gas structures.<\/p>\n\n\n\n

Download spec sheet for Titanium Grade 5<\/a><\/p>\n\n\n\n

Price:<\/strong> \u20ac\u20ac\u20ac\u20ac\u20ac<\/p>\n\n\n\n

Polymers<\/strong><\/h2>\n\n\n\n

ABS<\/strong><\/h3>\n\n\n\n

This material has excellent resistance to chemical stress, creep and abrasion. It has good dimensional stability during machining. Its surface hardness, rigidity and tensile strength makes it usable in food processing. It can be easily machined and is particularly suited for CNC milling.<\/p>\n\n\n\n

Download spec sheet for ABS<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac<\/p>\n\n\n\n

Acrylic<\/strong><\/h3>\n\n\n\n

This is a transparent material with good strength and stiffness. Its qualities are similar to glass in terms of clarity and brilliance. This material gives exceptional versatility, durability and aesthetic qualities and is specifically used for eye-catching fixtures. However, it is highly fragile. Extruded acrylics are more susceptible to cracks during machining. Cast blanks are the best for CNC machining.<\/p>\n\n\n\n

Download spec sheet for Acrylic<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac<\/p>\n\n\n\n

Acetal \/ Delrin \/ POM<\/strong><\/h3>\n\n\n\n

This plastic is the easiest to machine. It is lightweight with good wear resistance. It has good stability with zero porosity and good electrical properties. It performs excellently in wet or moist environments. It is used for bushings, jigs, electrical parts and manifolds.<\/p>\n\n\n\n

Download spec sheet for POM<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac<\/p>\n\n\n\n

Nylon \/ Polycaprolactam<\/strong><\/h3>\n\n\n\n

This is one of the most widely used thermoplastics. This material is tough, abrasion resistant and has improved surface finish. It is resistant to hydrocarbons. However, it has high water absorption and poor resistance to strong acids and bases. This material is suitable or CNC machining due to its low coefficient of friction and self-lubricating properties.<\/p>\n\n\n\n

Download spec sheet for Nylon<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac\u20ac<\/p>\n\n\n\n

PEEK \/ Polyether ether ketone<\/strong><\/h3>\n\n\n\n

With the ability to withstand high temperatures, this material can be used in hot water or steam with no effect to its physical properties. It has exceptional strength, stiffness and is resistant to wear, moisture and chemicals. Its semi-crystalline nature gives it enough elasticity to be machined to various shapes. It is used in medical, aerospace and automotive components.<\/p>\n\n\n\n

Download spec sheet for PEEK<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac\u20ac\u20ac<\/p>\n\n\n\n

PTFE \/ Teflon<\/strong><\/h3>\n\n\n\n

This is a highly slippery material with excellent resistance to extreme temperatures. It has outstanding insulating properties and is resistant to industrial chemicals. Due to its low coefficient of friction, it is widely used in the production of gears, bushings, slide plates, piston rings etc. Teflon\u2019s density and stiffness gives it easy machinability. However, its high coefficient of expansion and stress creep make it difficult to obtain tight tolerances.<\/p>\n\n\n\n

Download spec sheet for Teflon<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac\u20ac<\/p>\n\n\n\n

PC \/ Polycarbonate<\/strong><\/h3>\n\n\n\n

This is a transparent material with excellent strength, stiffness, impact resistance and toughness. It has good machinability. It has good electrical properties and can withstand extreme temperatures. It is well suited for CNC milling and turning operations. Its optical properties make it ideal for machine guards, face shields, signs, skylights etc.<\/p>\n\n\n\n

Download spec sheet for Polycarbonate<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac\u20ac<\/p>\n\n\n\n

UHMW PE \/ Ultra High molecular Weight Polyethylene<\/strong><\/h3>\n\n\n\n

This plastic is extremely tough and has high resistance to abrasion and wear. It is corrosion resistant and self-lubricating. It has excellent mechanical properties even in sub-zero conditions. It is used in conveyor guides, wear pads, chemical tanks etc. it is available in either sheet or rod form and has easy machinability.<\/p>\n\n\n\n

Download spec sheet for UHMW PE<\/a><\/p>\n\n\n\n

Price: <\/strong>\u20ac<\/p>\n","protected":false},"excerpt":{"rendered":"

Check our guide to choose the required properties for your CNC machining project among over 20 materials.<\/p>\n","protected":false},"author":23,"featured_media":69659,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-4119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nCNC Machining Materials Selection Guide | Xometry<\/title>\n<meta name=\"description\" content=\"Check our guide to choose the required properties for your CNC machining project among over 40 materials.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CNC 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