Temper Designations for Cu and Cu Alloys -- Wrought and Cast

Standard ASTM B601 defines the terminology in general use for indicating the temper of copper and copper alloy products. It defines the terminology of the processes that produce the tempers and the observable changes in the product that result from the processes. Also it establishes an alphanumeric code for use in designating the product tempers.

In the following paragraphs, tempers are classified according to terminology used by U.S. manafacturers of copper and copper alloy products, and are arranged in alphabetical order with their designated code letters:

• Annealed Tempers, O
• Annealed Tempers, OS
• Manufactured Tempers, M
• Cold-Worked Tempers, H
• Heat-Treated Tempers, T
• Tempers of Welded Tubes, W

1. Annealed Tempers, O

Tempers produced by annealing to meet mechanical properties requirements.

O10 Cast and annealed (homogenized) O11 As-cast and precipitation heat treated O20 Hot forged and annealed O25 Hot rolled and annealed O30 Hot extruded and annealed O31 Extruded and precipitation heat treated O40 Hot pierced and annealed O50 Light annealed O60 Soft annealed O61 Annealed O65 Drawing annealed O68 Deep-drawing annealed O70 Dead-soft annealed O80 Annealed to temper,1/8 hard O81 Annealed to temper,1/4 hard O82 Annealed to temper,1/2 hard

2. Annealed Tempers, OS

Tempers produced by annealing to meet standard or special grain size requirements.

OS005 Average grain size, 0,005mm OS010 Average grain size, 0,010mm OS015 Average grain size, 0,015mm OS025 Average grain size, 0,025mm OS035 Average grain size, 0,035mm OS050 Average grain size, 0,050mm OS060 Average grain size, 0,060mm OS070 Average grain size, 0,070mm OS100 Average grain size, 0,100mm OS120 Average grain size, 0,120mm OS150 Average grain size, 0,150mm OS200 Average grain size, 0,200mm

3. Manufactured Tempers, M

Tempers produced in the product by the primary manufacturing operations of casting and hot working and controlled by the methods employed in the operations.

M01 As-sand cast M02 As-centrifugal cast M03 As-plaster cast M04 As-pressure die cast M05 As-permanent mold cast M06 As-investment cast M07 As-continuous cast M10 As-hot forged and air coole M11 As-forged and quenched M20 As-hot rolled M30 As-hot extruded M40 As-hot pierced M45 As-hot pierced and rerolled

4. Cold-Worked Tempers, H

Tempers produced by controlled amounts of cold work, Cold-Worked (Drawn), Stress-Relieved Tempers, HR-Tempers produced by controlled amounts of cold work followed by stress relief and Order-Strengthening Tempers, HT-Tempers produced by controlled amounts of cold work followed by a thermal treatment to produce order strengthening.

H00 1/8 hard H01 1/4 hard H02 1/2 hard H03 3/4 hard H04 Hard H06 Extra hard H08 Spring H10 Extra spring H12 Special spring H13 Ultra spring H14 Super spring H50 Extruded and drawn H52 Pierced and drawn H55 Light drawn;light cold rolled H58 Drawn general purpose H60 Cold heading; forming H63 Rivet H64 Screw H66 Bold H70 Bending H80 Hard drawn H85 Medium-hard-drawn electrical wire H86 Hard-drawn electrical wire H90 As-finned HR01 H01and stress relieved HR02 H02 and stress relieved HR04 H04and stress relieved HR08 H08 and stress relieved HR10 H10and stress relieved HR20 As-finned HR50 Drawn and stress relieved HT04 H04 and order heat treated HT08 H08 and order heat treated

5. Heat-Treated Tempers, T

Tempers that are based on heat treatments followed by rapid cooling

5.1 Quench-Hardened Tempers, TQ

Tempers produced by quench hardening treatments.

TQ00 Quench hardened TQ50 Quench hardened and temper annealed TQ55 Quench hardened and temper annealed cold drawn and stress relieved TQ75 Interrupted quench hardened

5.2 Solution Heat-Treated Temper, TB

Tempers produced by solution heat treating precipitation hardenable or spinodal hardenable alloys.

TB00 Solution heat treated

5.3 Solution Heat-Treated and Cold-Worked Tempers, TD

Tempers produced by controlled amounts of cold work of solution heat-treated precipitation hardenable or spinodal hardenable alloys.

D00 TB00 cold worked to 1/8 hard D01 TB00 cold worked to 1/4 hard D02 TB00 cold worked to 1/2 hard D03 TB00 cold worked to 3/4 hard D04 TB00 cold worked to full hard

5.4 Precipitation Heat-Treated Temper, TF

Tempers produced by precipitation heat treatment of precipitation-hardenable alloys.

F00 TB00 and precipitation hardened

5.5 Spinodal Heat Treated Temper, TX

Tempers produced by spinodal heat treatment of spinodal hardenable alloys.

TX00 Spinodal hardened

5.6 Cold-Worked and Precipitation Heat-Treated Tempers, TH

Tempers produced in alloys that have been solution heat treated, cold worked, and precipitation heat treated.

TH01 TD01 and precipitation hardened TH02 TD02 and precipitation hardened TH03 TD03 and precipitation hardened TH04 TD04 and precipitation

5.7 Cold Worked and Spinodal Heat Treated Tempers, TS

Tempers produced in alloys that have been solution heat treated, cold worked and spinodal heat treated.

TS00 1/8 Hard and Spinodal Hardened (1/8 TS) TS01 1/4 Hard and Spinodal Hardened (1/4 TS) TS02 1/2 Hard and Spinodal Hardened (1/2 TS) TS03 3/4 Hard and Spinodal Hardened (3/4 TS) TS04 Hard and Spinodal Hardened TS06 Exstra Hard and Spinodal Hardened TS08 Spring and Spinodal Hardened TS10 Exstra Spring and Spinodal Hardened TS12 Special Spring and Spinodal Hardened TS13 Ultra Spring and Spinodal Hardened TS14 Super Spring and Spinodal Hardened

5.8 Mill-Hardened Tempers, TM

Tempers of heat-treated materials as supplied by the mill resulting from combinations of cold work and precipitation heat treatment or spinodal heat treatment.

TM00 AM TM01 1/4 HM TM02 1/2 HM TM04 HM TM06 XHM TM08 XHMS

5.9 Precipitation Heat-Treated or Spinodal Heat-Treated and Cold- Worked Tempers, TL

Tempers produced by cold working the precipitation heat-treated or spinodal heat-treated alloys.

TL00 TF00 cold worked to 1/8 hard TL01 TF00 cold worked to 1/4 hard TL02 TF00 cold worked to 1/2 hard TL04 TF00 cold worked to full hard TL08 TF00 cold worked to spring TL10 TF00 cold worked to extra spring

5.10 Precipitation Heat-Treated or Spinodal Heat-Treated, Cold-Worked, and Thermal Stress-Relieved Tempers, TR

Tempers produced in the cold-worked precipiation heattreated or spinodal heat-treated alloys by thermal stress relief.

TR01 TL01 and stress relieved TR02 TL02 and stress relieved TR04 TL04 and stress relieved

6. Tempers of Welded Tubes, W

(Welded tubes are produced from strip of various tempers and essentially have the temper of the strip except in the heat-affected zone.)

6.1 Tube, As-Welded Tempers, WM

Tempers that result from forming and welding when producing tube.

WM00 As welded from H00(1/8-hard) strip WM01 As welded from H01(1/4-hard) strip WM02 As welded from H02(1/2-hard) strip WM03 As welded from H03(3/4-hard) strip WM04 As welded from H04(full-hard) strip WM06 As welded from H06(extra-hard) strip WM08 As welded from H08(spring) strip WM10 As welded from H010(extra-spring) strip WM15 WM50 and stress relieved WM20 WM00 and stress relieved WM21 WM01 and stress relieved WM22 WM02 and stress relieved WM50 As welded from annealed strip

6.2. Tube, Welded and Annealed Temper, WO

Temper that results from forming, welding, and annealing when producing tube.

WO50 Welded and light annealed

6.3 Tube, Welded and Cold-Worked Tempers, WH

Tempers that result from forming, welding, and cold working when producing tube.

WH00 Welded and drawn to 1/8 hard WH01 Welded and drawn to 1/4 hard WH02 Welded and drawn to 1/2 hard WH03 Welded and drawn to 3/4 hard WH04 Welded and drawn to fuul hard WH06 Welded and drawn to extra hard

6.4 Tube, Welded, Cold-Worked and Stress Relieved Tempers, WR

Tempers that result from forming, welding, cold working, and stress relieving when producing tube.

WR00 WM00; drawn and stress relieved WR01 WM01; drawn and stress relieved WR02 WM02; drawn and stress relieved WR03 WM03; drawn and stress relieved WR04 WM04; drawn and stress relieved WR06 WM06; drawn and stress relieved

6.5 Tube, Welded, and Fully Finished Tempers, O, OS,H

Tempers that result from both annealing a welded and cold worked tube, or cold working, a welded cold worked and annealed tube. With these treatments, the weld area has been transformed into a wrought structure, and the usual temper designations apply.