Lanpu.Precision

Materials

Over 60 metals and engineering plastics, supplied with certificates of conformity and full lot traceability.

Metals

GradeDensityTensile strengthHardnessMachinabilityTypical applications
6061-T6 / EN AW-6061Aluminium alloy2.70 g/cm³310 MPa95 HB5 / 5General-purpose structural parts, brackets, enclosures, jigs, heat sinks
7075-T651 / EN AW-7075Aluminium alloy2.81 g/cm³572 MPa150 HB4 / 5Aerospace structures, high-load brackets, tooling, competition parts
6063-T5Aluminium alloy2.69 g/cm³215 MPa73 HB5 / 5Extruded profiles, architectural trim, decorative housings, LED heat sinks
5052-H32Aluminium alloy2.68 g/cm³228 MPa60 HB4 / 5Formed sheet metal, fuel tanks, marine parts, enclosures requiring bending
2024-T351Aluminium alloy2.78 g/cm³469 MPa137 HB4 / 5Aircraft fittings, fatigue-critical structures, hydraulic components
303 / 1.4305Stainless steel8.00 g/cm³620 MPa228 HB5 / 5High-volume turned parts, shafts, fittings, fasteners where machinability matters
304 / 1.4301 / A2Stainless steel8.00 g/cm³515 MPa201 HB3 / 5Food and beverage equipment, general corrosion-resistant parts, frames
316L / 1.4404 / A4Stainless steel8.00 g/cm³485 MPa217 HB3 / 5Medical devices, marine and chemical hardware, pharmaceutical fittings
17-4PH / 1.4542 / H900Stainless steel7.75 g/cm³1310 MPa40 HRC2 / 5Aerospace fittings, valve components, surgical instruments, pump shafts
420 / 1.4021Stainless steel7.74 g/cm³655 MPa50 HRC (hardened)3 / 5Cutting instruments, mould cavities, wear plates, shafts requiring hardening
440C / 1.4125Stainless steel7.70 g/cm³760 MPa58 HRC (hardened)2 / 5Bearing races, valve seats, knife blades, high-wear precision components
1018 / S235 / 1.0038Carbon & alloy steel7.87 g/cm³440 MPa126 HB4 / 5Low-cost structural parts, weldments, shafts, pins, general fabrication
1045 / C45 / 1.0503Carbon & alloy steel7.85 g/cm³625 MPa179 HB4 / 5Drive shafts, gears, axles, machine components requiring medium strength
4140 / 42CrMo4 / 1.7225Carbon & alloy steel7.85 g/cm³1020 MPa28–32 HRC (Q&T)3 / 5High-stress shafts, couplings, tooling, oilfield and mining components
D2 / 1.2379 / SKD11Tool steel7.70 g/cm³1736 MPa58–62 HRC1 / 5Blanking dies, punches, forming tools, wear inserts, shear blades
SPHC / DC01 / SECCCarbon & alloy steel7.85 g/cm³310 MPa110 HB5 / 5Laser-cut and formed sheet metal enclosures, panels, brackets, chassis
C36000 / CuZn39Pb3 / CW614NBrass8.50 g/cm³338 MPa85 HB5 / 5Plumbing fittings, valve bodies, electrical terminals, decorative hardware
C26000 / CuZn30 / CW505LBrass8.53 g/cm³370 MPa75 HB3 / 5Deep-drawn parts, ammunition cases, bellows, formed electrical contacts
C10100 / Cu-OFE / OFHCCopper8.94 g/cm³220 MPa45 HB2 / 5Bus bars, heat exchangers, EDM electrodes, RF and vacuum components
Grade 2 / 3.7035 / CP-TiTitanium4.51 g/cm³345 MPa160 HV3 / 5Chemical processing parts, heat exchangers, marine hardware, implants
Grade 5 / Ti-6Al-4V / 3.7165Titanium4.43 g/cm³950 MPa334 HV2 / 5Aerospace structures, orthopaedic implants, motorsport and defence components
Inconel 718 / 2.4668 / UNS N07718Nickel superalloy8.19 g/cm³1375 MPa40 HRC1 / 5Turbine discs, hot-section parts, downhole tools, high-temperature fasteners
AZ31B / 3.5312Magnesium alloy1.77 g/cm³260 MPa49 HB5 / 5Weight-critical housings, camera bodies, drone frames, portable equipment
Tungsten carbide YG8 / K20Hard material14.7 g/cm³2000 MPa (TRS)89 HRA1 / 5Wear inserts, punches, guide bushes, dies, cutting tool bodies
Alumina Al₂O₃ 99 % / ZirconiaHard material3.90 g/cm³300 MPa (flexural)1600 HV1 / 5Insulators, wear parts, semiconductor fixtures, high-temperature guides

Material certificates to EN 10204 3.1 are available for all metals on request.

Engineering plastics

GradeDensityTensile strengthHardnessMachinabilityTypical applications
ABS / PA-757Engineering plastic1.04 g/cm³45 MPaR1055 / 5Consumer housings, prototypes, covers, moulded enclosures
POM-C / Delrin® / AcetalEngineering plastic1.41 g/cm³70 MPaM845 / 5Gears, bushings, sliding parts, precision mechanisms, food-contact components
PC / Makrolon® / Lexan®Engineering plastic1.20 g/cm³65 MPaM704 / 5Transparent guards, lenses, impact-resistant covers, medical housings
PA66 / Nylon 6.6 (+30 % GF)Engineering plastic1.14 g/cm³83 MPa (GF: 185 MPa)R1204 / 5Gears, cable ties, structural clips, under-bonnet automotive parts
PA12 / Nylon 12 (SLS/MJF)Engineering plastic1.01 g/cm³48 MPaShore D 754 / 5Additive-manufactured functional parts, snap fits, ducting, living hinges
PP homopolymer / copolymerEngineering plastic0.91 g/cm³35 MPaR954 / 5Chemical tanks, living hinges, laboratory ware, packaging components
PMMA / Acrylic / Plexiglas®Engineering plastic1.19 g/cm³72 MPaM924 / 5Light guides, display panels, sight glasses, optical demonstration parts
PTFE / Teflon® (virgin / filled)High-performance polymer2.16 g/cm³31 MPaShore D 553 / 5Seals, low-friction bearings, chemical-resistant liners, electrical insulation
PEEK (virgin / 30 % CF)High-performance polymer1.32 g/cm³100 MPaM993 / 5Medical implants, semiconductor fixtures, aerospace bushings, sterilisable parts
PEI / Ultem™ 1000High-performance polymer1.27 g/cm³105 MPaM1093 / 5Sterilisable medical trays, electrical insulators, aerospace interior parts
TPU / TPE (Shore A 70–95)Engineering plastic1.20 g/cm³35 MPaShore A 852 / 5Overmoulded grips, gaskets, seals, protective bumpers, flexible tubing
G10 / FR4 / Epoxy glass laminateComposite1.85 g/cm³310 MPaM1102 / 5Electrical insulation plates, PCB backers, structural spacers, cryogenic supports

Working with a material not listed? We regularly source specialist alloys and polymers on request.

Send us your drawing today

STEP, IGES, X_T, DWG, DXF, PDF or STL. Every file is treated as confidential and covered by NDA on request.