Heat Treatable, Alloy 25 (C17200 and C17300) - Plated Wire Supplier

ISO 9001-2008
Gold plated Be Cu # 25 alloyPlated Wire, Phosphor Bronze WireNickel Wire, Flat Wire, Square WireBeryllium Copper wire
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Heat Treatable, Alloy 25 (C17200 and C17300)

Beryllium Copper is our specialty. We have pioneered the use of this metal since its commercial inception and have led in its development and uses.

BERYLLIUM COPPER
C17200 and C17300 - Heat Treatable

COMPOSITION -
BERYLLIUM COPPER C17200 & C17300 (25 & 125 alloy)

ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper 98.1 - -
Beryllium 1.90 1.80 2.0
Cobalt & Nickel - .20 -
Cobalt & Nickel & Iron - - .60
Cu + Be + Co + Ni + Fe - 99.50 -
Silicon - - .20
Aluminum - - .20
Lead - - .20 - .60 for (C17300)

 

PHYSICAL PROPERTIES
BERYLLIUM COPPER C17200 & C17300

HEAT TREATED CONDITION ENGLISH UNITS METRIC UNITS
Melting Range 1590 - 1800°F 865 - 980°C
Density .298 lb/cu in. @ 68°F 8.26 gm/cm@ 20°C
Specific Gravity 8.26 8.26
Coefficient of Thermal Expansion .0000099 per °F (68-572°F) .0000178 per °C (20-300°C)
Thermal Conductivity 62-75 BTU/sq ft/ft/hr/°F @ 68°F .26-.31 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity 46.2 Ohms-circ mil/ft @ 68°F 7.68 microhm - cm @ 20°C
Electrical Conductivity    
(age hardenable) 15-19% Copper IACS @ 68°F .87-.110 megohm cm @ 20°C
(age hardened) 19-28% Copper IACS @ 68°F .110-.163 megohm cm @ 20°C
Specific Heat .10 BTU/lb/°F @ 68°F .10 cal/gm/°C @ 20°C
Modulus of Elasticity (tension)    
(age hardenable) 17,000 KSI 12,000 kg/sq mm
(age hardened) 18,500 KSI 13,000 kg/sq mm
Modulus of Rigidity (torsion)    
(age hardenable) 7,300 KSI 5,000 kg/sq mm
(age hardened) 6,500 KSI 4,600 kg/sq mm

 

MECHANICAL PROPERTIES
BERYLLIUM COPPER C17200 & C17300

For Round, Half Round and Square Wire
AS SUPPLIED AFTER PRECIPITATION HEAT TREATMENT
DESIGNATION TENSILE STRENGTH DESIGNATION TENSILE STRENGTH
STD. FORMER KSI* MPa** STD. FORMER KSI* MPa**
TB00 Solution Annealed (A) 58-78 400-540 TF00 Precipitation Hardened (AT) 165-190 1105-1310
TD01 Quarter Hard (1/4H) 90-115 620-795 TH01 Precipitation Hardened (1/4HT) 175-205 1205-1415
TD02 Half Hard (1/2H) 110-135 760-930 TH02 Half Hard (1/2HT) 185-210 1275-1480
TD03 Three Quarter Hard (3/4H) 130-155 895-1070 TH03 Three Quarter Hard (3/4H) 190-230 1310-1585
TD04 Hard (H) 140-165 965-1140 TH04 Hard (HT) 195-230 1345-1585
TD05 Five NOs Hard 150-175 1035-1200 TH05 Five NOs Hard 195-230 1035-1205
TD06 Extra Hard (XH) 155-180 1070-1240 TH06 Extra Hard (XH) 205-235 1415-1620

Yield Strength @ .2% offset, about 92% of T.S. (after Heat Treat)

MECHANICAL PROPERTIES - BERYLLIUM COPPER C17200 & C17300

For Rolled Flat Wire other than Square - As Supplied
DESIGNATION TENSILE STRENGTH
STD. FORMER KSI* MPa**
TB00 Solution Annealed (A) 60-78 410-540
TD01 Quarter Hard (1/4H) 75-88 510-610
TD02 Half Hard (1/2H) 85-100 590-690
TD04 Hard (H) 100-120 690-830

MECHANICAL PROPERTIES - BERYLLIUM COPPER C17200 & C17300

For Rolled Flat Wire other than Square -
After Precipitation Heat Treatment
DESIGNATION TENSILE STRENGTH
STD. FORMER KSI* MPa**
TF00 Solution Annealed (AT) 165-190 1140-1310
TH01 Quarter Hard (1/4HT) 175-200 1210-1380
TH02 Half Hard (1/2HT) 185-210 1280-1450
TH04 Hard (HT) 190-215 1310-1480

 

HEAT TREATMENT
BERYLLIUM COPPER C17200 & C17300

DESIGNATION HOURS @ 600°F
STD. FORMER FLAT WIRE ROUND WIRE
TF00 Solution Annealed (AT) 3 3
TH01 Quarter Hard (1/4HT) 2-1/2 2
TH02 Half Hard 2 1-1/2
TH03 Three Quarters Hard and Up 2 1

This is standard specification treatment.
Temperatures from 550°F -700°F (288 - 370°C) are used for special purposes with corresponding adjustments of time.

BERYLLIUM COPPER C17200 & C17300

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