Material Group Common Grades Key Properties Typical Applications Industry Standards
Aluminum Alloys 2024-T3, 6061-T6, 7075-T6, 5052-H32 Lightweight, high strength-to-weight ratio, corrosion resistance Aircraft structures, brackets, housings, fittings AMS, ASTM, MIL
Titanium Alloys Ti-6Al-4V (Grade 5), Grade 23 High strength, lightweight, excellent corrosion resistance Airframe parts, landing gear components, engine parts AMS, ASTM F136
Stainless Steel 303, 304, 316L, 17-4PH, 15-5PH Corrosion resistance, durability, high strength Fasteners, hydraulic systems, structural components AMS, ASTM, SAE
Alloy Steel 4130, 4140, 4340, 300M…… High strength and toughness Landing gear, shafts, aerospace structural parts AMS, ASTM
Nickel Alloys Inconel 625, Inconel 718, Hastelloy X High temperature and oxidation resistance Jet engine components, exhaust systems AMS, ASTM
Magnesium Alloys AZ31B, AZ91D Ultra-lightweight, good machinability Aircraft interior structures, housings ASTM B93
Copper Alloys C110, C17200 (Beryllium Copper) Excellent conductivity and wear resistance Electrical connectors, aerospace electronics ASTM, SAE
Engineering Plastics PEEK, PEI (Ultem), PTFE, Delrin Lightweight, chemical resistance, insulation Aircraft interiors, insulation parts, bushings ASTM, FAA
High-Performance Composites Carbon Fiber Reinforced Polymer (CFRP) Extremely high strength-to-weight ratio Aircraft fuselage, wing structures ASTM, Boeing Spec
Tool Steel A2, D2, M2 High hardness and wear resistance Aerospace tooling, fixtures, gauges ASTM A681

Metal Materials

Material Group Common Grades Typical Applications
Aluminum Alloys 2024, 5052, 6061, 6082, 7075 Aircraft structures, brackets, housings
Titanium Alloys Grade 2, Grade 5 (Ti-6Al-4V), Grade 23 Structural and engine components
Stainless Steel 303, 304, 316L, 15-5PH, 17-4PH Fasteners, hydraulic systems
Alloy Steel 4130, 4140, 4340, 300M Landing gear and load-bearing parts
Nickel-Based Alloys Inconel 625, Inconel 718, Hastelloy High-temperature engine components
Copper Alloys C101, C110, Beryllium Copper Electrical and electronic systems
Brass & Bronze Various Grades Bushings, fittings, connectors

Engineering Plastics

Material Group Common Grades Key Benefits
PEEK Virgin, Glass-Filled, Carbon-Filled High temperature resistance, aerospace-grade performance
PEI (Ultem®) Ultem 1000, Ultem 2300 Flame resistance, dimensional stability
PPS Ryton® Chemical and thermal resistance
PTFE Virgin PTFE, Filled PTFE Low friction, chemical resistance
POM (Delrin®/Acetal) Natural, Black Precision machining, wear resistance
Nylon (PA) PA6, PA66, Cast Nylon Strength and durability
UHMW-PE Various Grades Excellent wear resistance
HDPE Various Grades Lightweight, corrosion resistant
PVC Rigid PVC Chemical resistance
PET PET-P Dimensional stability
PVDF Various Grades Chemical resistance
Polycarbonate (PC) Clear, Industrial Grade Impact resistance
Acrylic (PMMA) Optical Grade Transparent components
ABS Industrial Grade Lightweight structural parts
PAI Torlon® Extreme wear and temperature resistance
PSU / PPSU Medical & Aerospace Grades High-performance applications

Advanced Plastics & Composite Materials

Material Group Applications
Carbon Fiber Reinforced Plastics (CFRP) Lightweight aerospace structures
Glass Fiber Reinforced Plastics (GFRP) Structural and insulation components
G10 / FR4 Electrical insulation parts
Phenolic Materials Aerospace electrical applications