C21000 Gilding, 95%

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Overview

Physical Properties

Annealing Range (Min) 800 °F
Annealing Range (Max) 1450 °F
Density 0.32 lb/in³
Electrical Resistivity (Annealed) 18.5 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 56% IACS @ 68 °F
Thermal Conductivity 135 Btu/ft²/ft·hr/°F @ 68 °F
Coefficient of Thermal Expansion 10 per °F (68-572 °F)
Modulus of Elasticity (Tension) 17 ksi
Modulus of Rigidity (Tension) 6 ksi
Melting Point (Solidus) 1,620 °F
Melting Point (Liquidus) 1,880 °F
Annealing Range (Min) 427 °C
Annealing Range (Max) 788 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 3.08 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.33 MS·cm @ 20 °C
Thermal Conductivity 234 W/m·K @ 20 °C
Coefficient of Thermal Expansion 18 per °C (20-300 °C)
Modulus of Elasticity (Tension) 117 Mpa
Modulus of Rigidity (Tension) 44 Mpa
Melting Point (Solidus) 882 °C
Melting Point (Liquidus) 1,027 °C

Round Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
1/8 Hard H00 35.0 45.0 .0010 - .1285 inch
1/4 Hard H01 41.0 51.0
1/2 Hard H02 49.0 58.0
3/4 Hard H03 57.0 64.0
Hard H04 61.0 68.0
Extra Hard H06 66.0 73.0
Spring H08 72.0  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
1/8 Hard H00 240 320 .0254 - 3.264 mm
1/4 Hard H01 280 360
1/2 Hard H02 330 400
3/4 Hard H03 390 450
Hard H04 420 470
Extra Hard H06 450 510
Spring H08 490  

Square Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
1/8 Hard H00 35.0 45.0 .0100 - .0808 inch 
1/4 Hard H01 41.0 51.0
1/2 Hard H02 49.0 58.0
3/4 Hard H03 57.0 64.0
Hard H04 61.0 68.0
Extra Hard H06 66.0 73.0
Spring H08 72.0  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
1/8 Hard H00 240 320 .2540 - 1.905 mm
1/4 Hard H01 280 360
1/2 Hard H02 330 400
3/4 Hard H03 390 450
Hard H04 420 470
Extra Hard H06 450 510
Spring H08 490  

Rolled Flat

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
1/4 Hard H01 37.0 47.0 Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch
1/2 Hard H02 42.0 52.0
3/4 Hard H03 46.0 56.0
Hard H04 50.0 59.0
Extra Hard H06 56.0 64.0
Spring H08 60.0 68.0
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
1/4 Hard H01 250 330 Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm
1/2 Hard H02 280 360
3/4 Hard H03 310 390
Hard H04 340 410
Extra Hard H06 380 450
Spring H08 410 470

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