Beryllium Copper Physical & CHEMICAL PROPERTIES

Beryllium Copper Physical Properties 25 C17200

 

     Yield Strength  

ksi

108 cycles

Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation %

Fatigue Strength

Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
A Dead Soft (TB00) -- 60-76 28-36 35-65 30-35 90-144 B45-78 30T46-67 15-19
A Planished (TB00) -- 60-78 30-55 35-60 30-35 90-144  B45-78  30T46-67 15-19
1/4 H (TD01) -- 75-88 60-80 20-45 31-36 121-185  B68-90  30T62-75 15-19 
1/2 H(TD02) -- 85-100 75-95 12-30 32-38 176-216  B88-96  30T74-79 15-19
H (TD04) -- 100-120 90-115 2-18 35-39 216-287  B96-102  30T79-83 15-19
AT (TF00) 3 hr. at 600 °F 165-195 140-175 3-15 40-45 353-413 C36-42  30N56-62 22-28
1/4 HT (TH01)  2 hr. at 600 °F 175-205 150-185 3-10 40-45 353-424  C36-43  30N56-63 22-28
1/2 HT (TH02) 2 hr. at 600 °F 185-215 160-195 1-8  42-47 373-435  C38-44 30N58-63  22-28
HT (TH04) 2 hr. at 600 °F 190-220 165-205 1-6  45-50 373-446   C38-45  30N58-65 22-28


Beryllium Copper Physical Properties 190 C17200

 

     Yield Strength  

ksi

108 Cycles

 
Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation %

Fatigue Strength 

Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
AM (TM00) Mill Hardened 100-110 70-95 16-30 40-45 210-251 B95-C23 30N37-44 17-28
1/4 HM (TM01) Mill Hardened 110-120 80-110 15-25 41-47 230-271 C20-26 30N41-47 17-28
1/2 HM (TM02) Mill Hardened 120-135 95-125 12-22 42-48 250-301 C23-30 30N44-51 17-28
HM (TM04) Mill Hardened 135-150 110-135 9-20 45-52 285-343 C28-35 30N48-55 17-28
SHM (TM05) Mill Hardened 150-160 125-140 9-18 47-55 309-363 C31-37 30N52-56 17-28
XHM (TM06) Mill Hardened 155-175 135-170 4-15 50-57 317-378 C32-38 30N52-58 17-28
XHMS (TM08) Mill Hardened 175-190 150-180 3-12 50-60 325-413 C33-42 30N53-62 17-28


Beryllium Copper Physical Properties 290 C17200

 

     Yield Strength  

ksi

108 Cycles

Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation %

Fatigue Strength 

Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
TM00 Mill Hardened 100 min 75-95  19-35  40-45  225-309  B98-C31  30T81-30N52  17-26
TM02 Mill Hardened  120 min  95-115  14-30  42-48  255-339  C25-34  30N46-54  17-26
TM04 Mill Hardened  140 min  115-135  9-25  44-50  285-369  C28-38  30N48-58  17-26
TM06 Mill Hardened  155 min  135-155  6-13  47-57  317-393 C32-40   30N52-60  17-26
TM08 Mill Hardened  175 min  155-175  3-15  50-60  345-429  C35-43  30N55-62  17-26


Beryllium Copper Physical Properties 174 C17410

 

     Yield Strength  

ksi

108 Cycles

Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation % Fatigue Strength  Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
1/2 HT (TH02)  Mill Hardened 95-115   80-100  10-20  40-45 180-230   B89-98  30T75-81.9  50 min
 HT (TH04)  Mill Hardened  110-130  100-120  7-17  40-45  210-278  B95-102  30T79-30N48  45-60


Beryllium Copper Physical Properties 3 C17510

 

     Yield Strength  

ksi

108 Cycles

Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation %

Fatigue Strength 

Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
A (TB00) - 35-55 20-45 20-40 20-30 65-125 B20-45 30T28-45 20-30
H (TD04) - 70-85 55-80 2-10 25-35 144-176 B78-88 30T69-75 20-30
 AT (TF00)  Mill Hardened  100-130  80-100  10-25  38-44  195-275  B92-100  30T77-82 45-60
 HT (TH04)  Mill Hardened  110-135  95-120  8-20  42-47  216-287  B95-102  30T79-83  48-60


Beryllium Copper Physical Properties Brush 60 C17460

 

     Yield Strength  

ksi

108 Cycles

Hardness     
Temper Heat Treatment  Tensile Strength ksi  0.2% offset ksi  Elongation %

Fatigue Strength 

Diamond Pyramid  Rockwell B or C Rockwell Superficial Electrical Conductivity % IACS 
3/4 HT (TH03)  Mill Hardened  115-135  95-115  11min  46-47        50min
 HT (TH04)  Mill Hardened  120-140  105-125  10min  42-45        50min


Copper Beryllium Strip Specifications

Materion Brush Performance Alloys 

UNS Number  Specification 
 25  C1720  ASTM B194
 190  C17200  ASTM B194
 290  C17200  ASTM B194
 3  C17510  ASTM B534
 174  C17410  ASTM B768
 Brush 60 C17460   ASTM B768
   
 ASTM  American Society for Testing and Materials 
QQ   Federal Specification 
 MIL  Military Specification 
 SAE  Society of Automotive Engineers 
 AMS  Aerospace Materials Specification (Published by SAE) 
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