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Temper designation of copper alloys

Dr. Dmitri Kopeliovich

Temper designation of copper alloys was developed by the American Society for Testing and Materials (ASTM).

The designation system uses codes, consisting of a letter, indicating general temper, and additional numbers and letters, specifying the temper parameters:

  • O – annealed;

O10…O82 – various degrees of annealing;

OS005…OS200 – annealed to a specific grain size;

M - as manufactured;

M01…M45 – manufactured by a specific method;

  • H – cold worked;

H00…H14 – various degrees of cold work (hardness);

H50…H86 – cold work in specific process;

HR01…HR50 – cold work followed by stress relief;

HT04…HT08 – cold work followed by strengthening heat treatment;

TB00 – solution treatment;

TD00…TD04 – solution treatment followed by cold work;

TF00 – solution treatment followed by precipitation hardening;

TL00…TL04 – precipitation hardening followed by cold work;

TR00…TR04 – precipitation hardening followed by cold work and stress relief;

TH00…TH04 – solution treatment followed by cold work and precipitation hardening;

TM00…TM008 – combination of cold work by rolling and precipitation hardening;

TQ00…TQ75 – hardening by quenching;

  • TX – spinodal heat treatment;

TS – solution treatment followed by cold work and spinodal heat treatment;

  • W – welded;

WM00…WM50 – as welded;

WO – welded and annealed;

WH00...WH01 – welded and cold worked;

WR00…WR01 – welded, cold worked and stress relieved.

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temper_designation_of_copper_alloys.txt · Last modified: 2013/04/06 by dmitri_kopeliovich
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