Material Options

Start your project by selecting the appropriate materials from here.

Metal Materials for CNC Machining

CMS offers a wide selection of high-quality metal materials to support everything from rapid prototyping to high-volume precision manufacturing. Our capabilities cover aluminum, stainless steel, carbon steel, tool steel, brass, bronze, copper, and titanium alloys—each selected for their specific mechanical properties, machinability, and performance in demanding applications. Whether you need lightweight aerospace-grade aluminum, wear-resistant tool steels, corrosion-resistant stainless steel, or high-strength titanium, CMS provides reliable material options tailored to your design, engineering, and production requirements.

Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
2011 2.80 310 275 95 HB ★★★☆☆ 10/10 $$ High-speed machined parts
2024 2.78 470 325 120 HB ★★★☆☆ 6/10 $$$ Aerospace structures
5052 2.68 260 193 60 HB ★★★★☆ 5/10 $$ Marine, sheet metal
5083 2.66 330 215 75 HB ★★★★★ 4/10 $$$ Marine, pressure vessels
6061 2.70 310 275 95 HB ★★★★☆ 8/10 $$ General CNC machining
6082 2.70 340 280 95 HB ★★★★☆ 7/10 $$ Structural parts
7075 2.81 560 480 150 HB ★★★☆☆ 6/10 $$$$ Aerospace, high-load parts
MIC-6 2.70 170 150 65 HB ★★★☆☆ 9/10 $$$ Precision plates, tooling
A380 (Cast) 2.75 330 160 80 HB ★★★☆☆ 4/10 $ Die-cast housings
Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
303 7.85 620 240 ~190 HB / HRB 95 ★★★☆☆ 9/10 $$$ Precision machining
304 7.90 505 215 ~170 HB ★★★★☆ 5/10 $$$ Food, consumer parts
316 7.98 620 290 ~160 HB ★★★★★ 5/10 $$$$ Marine, chemical
304L 7.90 485 170 ~160 HB ★★★★☆ 5/10 $$$ Weldments
316L 7.98 580 240 ~150 HB ★★★★★ 5/10 $$$$ Medical, corrosion-critical
410 7.75 480 275 ~43 HRC ★★☆☆☆ 7/10 $$ Tools, wear-resistant parts
416 7.75 600 275 ~28 HRC ★★☆☆☆ 10/10 $$ Screws, shafts
420 7.75 700 350 ~52 HRC ★★★☆☆ 6/10 $$$ Surgical tools
17-4 PH 7.75 1100 1000 ~38–44 HRC (H900 condition) ★★★★☆ 7/10 $$$$ Aerospace, high-strength parts
Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
1018 7.87 440 370 120–170 HB ★☆☆☆☆ 9/10 $ General machining, shafts, pins
1045 7.87 570 400 170–210 HB ★☆☆☆☆ 7/10 $ Gears, bolts, shafts
1095 7.87 750 480 180–230 HB (up to 55–60 HRC after hardening) ★☆☆☆☆ 5/10 $$ Blades, springs, wear parts
1144 (Stressproof) 7.87 650 415 200–250 HB ★☆☆☆☆ 10/10 $$ High-speed machining, precision shafts
1215 7.87 390 315 ~120 HB ★☆☆☆☆ 10/10 $ Mass production turning parts
4130 (Chromoly) 7.85 670 435 200–220 HB ★★☆☆☆ 6/10 $$ Aircraft parts, racing components
4140 7.85 655 415 197–302 HB (28–32 HRC after heat treatment) ★★☆☆☆ 6/10 $$ High-strength shafts, gears
4340 7.85 1080 885 285–310 HB (up to 45–50 HRC after heat treatment) ★★☆☆☆ 5/10 $$$ Aerospace, heavy-duty mechanical components
Q235 (A3 Steel) 7.85 375 235 ~120 HB ★☆☆☆☆ 7/10 $ Structural components, brackets
45# (Equivalent to 1045) 7.87 600 355 170–230 HB ★☆☆☆☆ 7/10 $ Machine shafts, fasteners
Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
A2 7.86 830 550 ~57–62 HRC ★★☆☆☆ 5/10 $$ Punches, dies, tooling
D2 7.70 1900 1600 ~58–62 HRC ★★☆☆☆ 4/10 $$ Wear parts, cold-work tooling
O1 7.82 850 480 ~57–62 HRC ★★☆☆☆ 6/10 $ Knives, dies, precision tools
S7 7.80 1600 1300 ~54–56 HRC ★★☆☆☆ 6/10 $$ Impact tools, hammers, punches
H13 7.80 1500 1300 ~44–52 HRC (hot work) ★★★☆☆ 5/10 $$$ Die casting molds, hot-work tooling
M2 8.16 2000+ 1700 ~62–65 HRC ★★☆☆☆ 3/10 $$$ High-speed cutting tools
SKD11 (Equivalent D2) 7.70 1900 1600 ~58–62 HRC ★★☆☆☆ 4/10 $$ Wear-resistant dies, punches
S136 7.80 2000 1900 ~50–54 HRC ★★★★☆ 4/10 $$$$ Plastic molds requiring high polish (mirror molds)
SKD61 (Equivalent H13) 7.80 1500 1300 ~44–52 HRC ★★★☆☆ 5/10 $$$ Die-casting molds, hot-work tooling
40Cr (Equivalent 5140) 7.85 980 785 ~28–32 HRC or up to 50 HRC after hardening ★★☆☆☆ 6/10 $ Gears, shafts, mechanical parts
NAK80 7.85 ~1000 ~900 ~38–42 HRC (pre-hardened) ★★★☆☆ 8/10 $$$ Plastic molds, mirror mold bases
Mold Steel 718 (P20) 7.80 ~1200 ~1000 ~28–32 HRC (pre-hardened) ★★★☆☆ 7/10 $$$ Injection molds, die casting bases
S50C 7.85 610 355 ~160–200 HB ★☆☆☆☆ 7/10 $ Mold bases, plates
S45C (Equivalent 1045) 7.85 570 400 170–210 HB ★☆☆☆☆ 7/10 $ Machine parts, shafts
1.7225 (Equivalent 42CrMo4 / AISI 4140) 7.85 900–1100 800–950 ~28–32 HRC (up to 50 HRC after heat treatment) ★★☆☆☆ 6/10 $$ High-strength structural parts

 

🟨 Brass Alloys

Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
C36000 (Free-Cutting Brass) 8.49 330 95 100–150 HB ★★★☆☆ 10/10 $$ High-speed machining, fittings, valves
C26000 (Cartridge Brass) 8.53 315 95 80–110 HB ★★★★☆ 6/10 $$ Electrical components, deep-drawn parts
C28000 (Muntz Metal) 8.47 350 105 100–140 HB ★★★★☆ 6/10 $$ Marine components, fasteners

🟫 Bronze Alloys

Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
C93200 (Bearing Bronze) 8.80 275 130 65–75 HB ★★★★☆ 6/10 $$ Bearings, bushings, slides
C95400 (Aluminum Bronze) 7.70 655 300 170–190 HB ★★★★★ 5/10 $$$ Heavy-load bearings, marine components
C65500 (Silicon Bronze) 8.53 480 200 110–135 HB ★★★★☆ 5/10 $$$ Springs, fasteners, corrosion-resistant parts

🟥 Copper Alloys

Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
C11000 (Pure Copper) 8.94 220 69 45–60 HB ★★★★★ 3/10 $$$ Electrical conductors, heat sinks
C17200 (Beryllium Copper) 8.25 1100–1400 1000–1200 ~38–44 HRC (after aging) ★★★★☆ 6/10 $$$$ Precision springs, aerospace components, connectors
Material Grade Density (g/cm³) Tensile Strength (MPa) Yield Strength (MPa) Hardness Corrosion Resistance Machinability (1–10) Price Level Typical Applications
Grade 1 (CP Ti) 4.51 240 170 ~70–85 HB ★★★★★ 4/10 $$$$ Chemical processing, marine, medical components
Grade 2 (CP Ti) 4.51 345 275 ~80–90 HB ★★★★★ 4/10 $$$$ Aerospace, heat exchangers, industrial parts
Grade 4 (CP Ti – High Strength) 4.51 550 480 ~160 HB ★★★★★ 3/10 $$$$ Medical implants, aerospace, high-strength parts
Grade 5 (Ti-6Al-4V) 4.43 900–950 830–880 ~34–36 HRC ★★★★☆ 3/10 $$$$$ Aerospace structures, medical implants, high-performance parts
Grade 9 (Ti-3Al-2.5V) 4.48 620 483 ~200 HB ★★★★★ 5/10 $$$$$ Aircraft tubing, sports equipment, lightweight components
Grade 23 (Ti-6Al-4V ELI) 4.40 895 825 ~34–36 HRC ★★★★★ 3/10 $$$$$ Medical implants, surgical devices (highest biocompatibility)

Plastic Materials for CNC Machining

CMS offers a wide range of engineering plastics— from ABS and POM to high-performance PEEK, PEI, PPS, and PTFE. Our CNC machining delivers precise, lightweight, and corrosion-resistant components for functional prototypes and production parts across diverse industries.

Material Density (g/cm³) Tensile Strength (MPa) Service Temp (°C) Hardness Machinability (1–10) Price Level Typical Applications
ABS 1.04 40 85 Shore D 70–75 9/10 $ Prototypes, housings, general plastic parts
POM (Delrin, Acetal) 1.41 65–70 100 Rockwell M90–M100 8/10 $$ Gears, bushings, precision mechanical parts
PC (Polycarbonate) 1.20 65 115 Shore D 75–80 6/10 $$ Transparent covers, lenses, enclosures
Nylon (PA6/PA66) 1.14 70–80 110 Shore D 75–80 5/10 $$ Structural components, wear parts
PEEK 1.30 90–100 250–260 Rockwell R126 6/10 $$$$$ Aerospace, medical, high-temperature components
PTFE (Teflon) 2.20 20–35 260 Shore D 50–60 3/10 $$$$ Seals, chemical components, low-friction parts
HDPE / UHMWPE 0.95 20–30 80 Shore D 60–65 4/10 $ Wear pads, liners, chemical parts
Acrylic / PMMA 1.18 60–70 80 Rockwell M95 7/10 $$ Transparent panels, light covers
PEI / Ultem 1.27 110 170 Rockwell R118 6/10 $$$$ Electronics, aerospace, high-temperature components
PPS 1.35 85–100 200–220 Rockwell M100 6/10 $$$$ Automotive, electronics, chemical resistance parts
Carbon Fiber (CFRP) 1.55–1.60 500–1500 (fiber direction) 120–200 Very High Stiffness 3/10 (brittle) $$$$$ Drones, aerospace parts, robotics, ultra-light structural components