Industrial Material Reference Library
Industrial material properties, recommended machining tolerances, cutting speeds, and surface finish guidance for field use.
ASTM A36 (UNS K02600)
Machinability
70%
ASTM A576 (UNS G10180)
65%
ASTM A576 (UNS G10450)
55%
ASTM A576 (UNS G11170)
91% (based on 1212 = 100%)
ASTM A576 (UNS G11410)
70% (based on 1212 = 100%)
ASTM A575 (UNS G10440)
60%
ASTM A572 Grade 50
ASTM A108 (UNS G10180)
78% (based on 1212 = 100%)
ASTM A108 (UNS G10180) — T&P
UNS G10080 / G10100 — Temper No. 2 (Half-Hard)
75%
ASTM A108 (UNS G10450)
ASTM A311 (UNS G11440) — Stressproof
83% (based on 1212 = 100%)
AISI 1018
AISI 1045
AISI 303 (S30300)
75% (free-machining grade)
AISI 304 (S30400)
45%
AISI 316 (S31600)
40%
AISI A2
60% (annealed)
ASTM A48 Class 30
85%
AA 6061-T6
190%
AA 7075-T6
160%
AA 2024-T3
150%
C36000 (Free-cutting brass)
100% (benchmark)
C11000 (ETP Copper)
20%
C93200 (Bearing bronze)
80%
ASTM B348 Gr2
30%
ASTM B348 Gr5
UNS N04400
25%
UNS N07718
12%
Polyvinyl Chloride
Good — but softens with heat
Polytetrafluoroethylene
Good — very soft
Polyamide PA66
Good
Ultra-High Molecular Weight Polyethylene
Good — but chips are stringy
Polyoxymethylene (POM)
Excellent — best machining plastic
Polyetheretherketone
Good — stiff and stable
Phenol Formaldehyde
Good — but abrasive