Materials sourced from verified mills, with certifications available on every shipment. Need something not listed? We'll procure it for you.
Grades in regular rotation at our partner workshops, listed with both North American and Asian designations — the same material is often specified two different ways. Mill test certificates available with every order.
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| 6061-T6 | EN AW-6061 · Al-Mg1SiCu | Good strength · weldable · anodizes well | Enclosures, jigs, general machined parts |
| 7075-T6 | EN AW-7075 · Al-Zn6MgCu | Highest strength of the aluminum grades · fatigue resistant · free machining | Aerospace brackets, high-stress fixtures |
| 6082-T6 | EN AW-6082 · Al-Mg1SiMn | Good thermal conductivity · resists stress corrosion cracking | Structural brackets, machine frames |
| 5083 | EN AW-5083 · Al 3.3547 | Medium strength · excellent marine corrosion resistance | Marine hardware, tanks, plates |
| 6060 | EN AW-6060 · Al-MgSi | Medium strength · good corrosion resistance · easy to form | Frames, housings, structural profiles |
| 5052 | EN AW-5052 · Al-Mg2.5 | Good formability · corrosion resistant · weldable | Panels, covers, brackets |
| 6063 | EN AW-6063 · Al-Mg0.7Si | Anodizes to a smooth, uniform finish | Housing profiles, trim parts |
| 2024-T4 | EN AW-2024 · Al-Cu4Mg1 | High strength · good fatigue resistance | Aerospace structures, precision fixtures |
| 2017 | EN AW-2017A · Al-Cu4MgSi | High strength · free machining | Riveted structures, turned parts |
| 7050 | EN AW-7050 · Al-Zn6CuMgZr | High strength · resists stress corrosion cracking | Thick aerospace sections, heavy-duty fittings |
| MIC-6 Cast | cast aluminum tooling plate | Cast and stress-relieved · flat and dimensionally stable | Fixture plates, baseplates, vacuum chucks |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| 303 | AISI 303 · SUS 303 · 1.4305 | Free-machining · good strength · lower corrosion resistance | High-volume turned fittings and fasteners |
| 304 / 304L | AISI 304 · SUS 304 · 1.4301 / 1.4307 | Excellent corrosion resistance · good machinability | Food equipment, general parts |
| 316 / 316L | AISI 316 · SUS 316L · 1.4401 / 1.4404 | Corrosion resistance · high ductility and toughness | Chemical, medical and marine parts |
| 17-4 PH | AISI 630 · SUS 630 · 1.4542 | High strength after ageing · corrosion resistant | Valves, pump shafts, aerospace parts |
| 2205 Duplex | UNS S31803 · 1.4462 | About 2× the yield strength of 304 · resists chloride SCC | Marine and chemical service parts |
| 420 | AISI 420 · SUS 420J2 · 1.4021 | Hardens to high hardness · moderate corrosion resistance | Shafts, valve parts, wear components |
| 440C | AISI 440C · SUS 440C · 1.4125 | Highest hardness of the stainless grades · excellent wear resistance | Bearings, valve seats, precision shafts |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| 1018 | AISI 1018 · low-carbon steel | Easy to machine and weld · good surface finish | Shafts, spacers, general hardware |
| 1045 / S45C | AISI 1045 · JIS S45C · 1.1191 | High tensile strength · low ductility | Shafts, gears, general machinery |
| 4140 / 42CrMo4 | AISI 4140 · 42CrMo4 · 1.7225 | High strength and toughness after quench & temper · impact resistant | Heavy-duty shafts, tool holders |
| 4340 | AISI 4340 · 1.6582 | Very high strength and toughness · deep hardening | High-load shafts, landing-gear components |
| 1215 | AISI 1215 · free-cutting steel | Fastest machining of the carbon steels · excellent finish | Turned fittings, connectors, spacers |
| S50C | JIS S50C · AISI 1050 | Takes high hardness · good machinability when annealed | Mold bases, machinery parts |
| 40Cr | GB 40Cr · AISI 5140 | High strength and toughness after quench & temper | Shafts, gears, connecting rods |
| Q235A | GB Q235A · A3 structural steel | Good plasticity · tough · weldable | Frames, brackets, welded structures |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| SKD11 | JIS SKD11 · Cr12MoV · D2-class cold work | Extreme wear resistance · good hardenability | Stamping and forming dies, cutting tools |
| Cr12 | GB Cr12 · D3 cold work steel | Very high wear resistance · low distortion in hardening | Precision dies, punches, gauges |
| SKD61 | JIS SKD61 · 1.2344 · H13 hot work | Hot strength · thermal fatigue resistance | Die casting dies, extrusion tooling |
| S136 | 1.2083 · corrosion-resistant mold steel | Corrosion resistance · mirror polishing · low distortion | Plastic injection molds, optical molds |
| NAK80 | pre-hardened mirror mold steel (~40 HRC) | Mirror polish · excellent texturing · uniform structure | High-gloss plastic molds |
| 718 | 1.2738 · P20+Ni | Pre-hardened · machines and polishes well | Large plastic molds, mold bases |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| Brass C360 | C36000 · free-cutting brass | Best machinability of all copper alloys | Turned fittings, connectors, valves |
| Leaded brass | CuZn39Pb3 · 2.0401 · HPb58-3 | Excellent free-machining · good hot formability | High-volume turned fittings |
| H62 | CuZn38 · C27400 | Good plasticity · moderate strength · conducts heat well | Valves, fittings, electrical parts |
| H59 | CuZn41 | High strength · good cold working · economical | Hardware, plumbing fittings |
| H56 | CuZn44 | High strength and hardness · good cold forming | Fasteners, hardware |
| H96 | CuZn5 · copper-rich brass | Near-copper conductivity · good corrosion resistance | Electrical and thermal conductors |
| Copper C110 | C11000 · ETP copper | Highest electrical conductivity · excellent ductility | Busbars, electrodes, heat sinks |
| Beryllium copper | C17200 · QBe2 | Very high strength after ageing · conductive · non-sparking | Springs, mold inserts, Ex-rated tooling |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| Grade 2 / TA2 | commercially pure titanium · Ti 3.7035 | Excellent corrosion resistance · good formability | Chemical equipment, marine, medical |
| TA5 | Ti-Al alloy | Good strength · easy to machine | General corrosion-resistant parts |
| Grade 5 / TC4 | Ti-6Al-4V · 3.7165 | High specific strength · corrosion resistant · heat stable | Aerospace, medical implants, motorsport |
| TC5 | Ti alloy | Medium strength (≥850 MPa) · thermally stable · weldable | Aerospace and high-temperature parts |
| Material | Designations | Key properties | Typical applications |
|---|---|---|---|
| PEEK | polyetheretherketone | 250 °C continuous service · metal-like strength · biocompatible | Medical, aerospace, semiconductor parts |
| PEEK GF30 | glass-filled PEEK (30% GF) | High stiffness · hydrolysis resistant · low wear rate | Seals and bushings for oil & gas |
| Ultem (PEI) | polyetherimide | High strength · inherently flame retardant · 170 °C service | Electrical insulators, aerospace interiors |
| POM (Delrin) | acetal · polyoxymethylene | Durable · stiff · wear and creep resistant | Gears, bushings, precision mechanical parts |
| PTFE (Teflon) | polytetrafluoroethylene | Lowest friction · extreme temperature and chemical resistance | Seals, gaskets, insulators |
| PVDF | polyvinylidene fluoride | Chemically inert · UV stable · flame retardant | Semiconductor wet benches, chemical lines |
| UHMW PE | ultra-high molecular weight polyethylene | Self-lubricating · wear resistant · chemical resistant | Wear strips, guide rails, liners |
| PF (Phenolic) | Bakelite · phenolic resin | High heat resistance · electrically insulating · rigid | Insulators, handles, terminal boards |
| Nylon PA6 / PA66 | polyamide | Tough · wear resistant · absorbs moisture | Rollers, wear pads, bushings |
| PMMA (Acrylic) | Plexiglass · polymethyl methacrylate | Rigid · weather and chemical resistant · optically clear | Display parts, light guides |
| PC (Polycarbonate) | polycarbonate | Very high impact strength · transparent | Guards, covers, lenses |
| ABS | acrylonitrile butadiene styrene | Tough · impact and scratch resistant | Housings, enclosures, prototypes |
| HDPE | high-density polyethylene | Chemical resistant · low friction · easy to machine | Cutting boards, tanks, liners |
| PP | polypropylene | Chemical resistant · lightweight · insulating | Tanks, covers, fluid handling |
Still weighing your options? Tell us how the part will be used and our engineers will recommend the right grade — including cheaper options when they meet your spec.
7075-T6 aluminum, 4140 / 42CrMo4 steel, or Grade 5 / TC4 titanium. Best strength-to-weight for structural and load-bearing parts.
316 / 316L stainless, or 6061-T6 aluminum with anodizing. Marine, food-grade, and chemical environments.
PEEK, PTFE, or Grade 2 / TA2 titanium. High service temperatures, aggressive chemicals, or electrical insulation required.
6061-T6 aluminum and 1018 steel machine fast and cost less. Brass C360 for small intricate parts and fittings.
Finishing is handled through vetted local partners and verified before shipment. Coating thickness is measured per batch and recorded in your inspection report.
| Finish | What it does | Typical spec | Best for |
|---|---|---|---|
| Type II Anodizing | Aluminum · decorative and protective oxide layer | 5–25 µm · 9 standard colors plus RAL custom | Enclosures, brackets, front panels |
| Hard Anodizing (Type III) | Thicker, harder oxide layer for wear resistance | 25–50 µm · black, gray or natural | Wear surfaces, sliding parts, industrial hardware |
| Titanium Anodizing | Electrolytic oxide on titanium · no pigment required | Matte gray to color, set by voltage | Titanium parts needing corrosion and wear resistance |
| Finish | What it does | Typical spec | Best for |
|---|---|---|---|
| Electroless Nickel | Uniform nickel coating, no plating rack needed | 5–25 µm · even coverage on internal features | Valves, hydraulic parts, irregular geometries |
| Zinc Plating | Sacrificial zinc barrier against rust | 5–12 µm · clear, yellow or black passivate | Steel brackets, fasteners, welded assemblies |
| Gold Plating | Corrosion resistance with low contact resistance | 0.5–3 µm over copper and nickel strike | Electrical contacts, RF and signal components |
| Silver Plating | Highest conductivity · excellent solderability | 2–10 µm · may tarnish over time | Waveguides, busbars, high-frequency parts |
| Passivation | Removes free iron from the surface of stainless steel | Per ASTM A967 · no dimensional change | 300-series stainless and 17-4 PH parts |
| Chromate Conversion | Chemical film for corrosion resistance and paint adhesion | Type I gold or brown · Type II clear · no dimensional change | Aluminum housings, parts going to paint |
| Black Oxide | Converts the surface of steel to a matte black finish | No dimensional change · oiled for corrosion resistance | Tools, fixtures, low-glare optical parts |
| Finish | What it does | Typical spec | Best for |
|---|---|---|---|
| Powder Coating | Thermally cured polymer finish, tougher than wet paint | 60–100 µm · black standard, RAL custom | Brackets, enclosures, machine covers |
| Spray Painting | Continuous colored protective layer | RAL custom colors | Housings and panels needing a specified color |
| Finish | What it does | Typical spec | Best for |
|---|---|---|---|
| Bead Blasting | Uniform matte texture · also used to prep before anodizing | Glass bead or aluminum oxide media | Pre-anodize prep, matte cosmetic parts |
| Tumbling & Deburring | Removes sharp edges and burrs, batch process | Not suited to fragile thin-wall features | Volume parts where safe handling edges matter |
| Electropolishing | Electrochemical brightening and cleaning of stainless | Slight dimensional reduction · bright, easy-clean surface | Stainless parts for medical, food and clean rooms |
Tell us the grade and application — if it's not in stock, we'll procure it from verified mills for you.
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