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Materials

TC Precision — CNC Milling Materials Database

Material Family Material Grade Temper / Condition JIS / EN / GB Designation ASTM / UNS / Other Standard Product Form / Stock Machinability Core Characteristics Typical CNC Milling Applications
Aluminum Alloys 6061 T6 JIS H4000 / H4040 ASTM B209 / B211 / B221; UNS A96061 Plate / Sheet / Bar / Extrusion Excellent General-purpose aluminum with good strength, corrosion resistance and machinability. Brackets, housings, frames, fixtures, machine components
Aluminum Alloys 6063 T5 / T6 JIS H4000 / H4040 ASTM B209 / B221; UNS A96063 Plate / Extrusion Excellent Excellent extrusion characteristics, corrosion resistance and surface finish. Frames, covers, heat sinks, architectural and machine profiles
Aluminum Alloys 6082 T6 EN AW-6082 / EN 573 ASTM B209 / B211 / B221; UNS A96082 Plate / Bar / Extrusion Excellent Higher strength than 6061 with good corrosion resistance and machinability. Structural brackets, machine bases, automotive and industrial parts
Aluminum Alloys 7075 T6 JIS H4000 ASTM B209 / B211 / B221; UNS A97075 Plate / Bar / Extrusion Good Very high strength-to-weight ratio; lower corrosion resistance than 6061. Aerospace brackets, high-load fixtures, robotics and performance parts
Aluminum Alloys 7075 T651 JIS H4000 ASTM B209; UNS A97075 Plate Good Stress-relieved high-strength plate with good dimensional stability. Aerospace structures, precision plates, tooling
Aluminum Alloys 7050 T7451 — ASTM B209; UNS A97050 Plate Good High strength, fracture toughness and stress-corrosion resistance for aerospace applications. Aerospace frames, bulkheads, high-load structural parts
Aluminum Alloys 2017A / 2017 T4 JIS H4040 / EN AW-2017A ASTM B211 / B209 where applicable; UNS A92017 Bar / Plate Excellent High machinability and good strength; lower corrosion resistance than 6061. Precision shafts, brackets, aerospace and automotive components
Aluminum Alloys 5052 H32 / H34 JIS H4000 ASTM B209; UNS A95052 Sheet / Plate Excellent Excellent corrosion resistance and formability; non-heat-treatable. Enclosures, covers, brackets, marine and electrical parts

Legend

Field Meaning
Material Family Engineering material family used for CNC milling selection.
Material Grade Specific alloy/polymer/composite grade.
Temper / Condition Heat treatment, temper or supplied condition; verify drawing requirements.
JIS / EN / GB Designation Regional material designation where applicable.
ASTM / UNS / Other Standard Applicable material/product-form specification or UNS designation.
Product Form / Stock The stock form to which the cited specification normally applies.
Machinability Relative CNC milling difficulty; actual performance depends on condition, geometry and tooling.
Comparable A cross-reference, not a guaranteed metallurgical equivalence.

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