Buy Platinum Rhodium Wire and Rod, Diameter: 0.020 in. / 0.5 mm / 24 gauge | Surepure Chemetals

Platinum Rhodium

Platinum-rhodium alloys are alloys of the platinum group precious metals platinum and rhodium.

Surepure Chemetals typically supplies alloy proportions of
94% platinum / 6% rhodium,
90% platinum / 10% rhodium,
80% platinum / 20% rhodium, and
70% platinum / 30% rhodium.

Surepure Chemetals sells both platinum-rhodium and pure platinum conforming to the ASTM E1159 specification for Thermocouple Materials, Platinum-Rhodium Alloys, and Platinum.

A thermocouple is a temperature-measuring device consisting of two different types of conductor wires. Platinum and Platinum-Rhodium thermocouples are a very stable type of thermocouple, are resistant to oxidation in air, and can be used at high temperatures, up to 1800°C (3272°F), depending on the type of thermocouple.

Type B thermocouples are made up of Platinum 70% / Rhodium 30% wire paired with Platinum 94% / Rhodium 6% wire, and can be used up to 1800°C (3272°F).

Type R thermocouples are made up of Platinum 87% / Rhodium 13% wire paired with Pure Platinum wire, and can be used up to 1600°C (2912°F).

Type S thermocouples are made up of Platinum 90% / Rhodium 10% wire paired with Pure Platinum wire, and can be used up to 1600°C (2912°F). Before 1990, Type S thermocouples were used as the standard international thermometers from 630°C to 1064°C.

Surepure Chemetals sells platinum-rhodium wire and pure platinum wire for use in thermocouples.

Whereas platinum has a Young's modulus of 165 GPa, the Young's modulus of rhodium is 372 GPa. As would be expected, platinum-rhodium alloys have substantially higher mechanical strength at all temperatures than chemically pure platinum. Even at temperatures immediately below the melting temperature, the platinum-rhodium alloys demonstrate oxidation resistance that is similar to that of platinum.

Alloys containing about 10 percent of rhodium are used as positive elements in thermocouples, as catalytic gauzes for the oxidation of ammonia to nitric acid, and to some extent as the heating element in resistance furnaces. Alloys containing 3 to 4 percent of rhodium are used for crucibles and similar laboratory ware.

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The products below are representative of what we sell. If you don't find what you're looking for, please request a quote or contact us.

Buy Platinum Rhodium Wire and Rod from Surepure Chemetals

Diameter: 0.020 in. / 0.5 mm / 24 gauge

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P/N	Purity	Diameter	Length	Price
10922	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	4 ft. / 1.22 m Temper: Annealed (soft)	$826.33
3992	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	5 ft. / 1.524 m Temper: Annealed (soft)	$1,024.21
3996	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	7 ft. / 2.134 m	$1,358.64
4005	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	10 ft. / 3.048 m	$1,812.59
4010	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	25 ft. / 7.620 m Temper: Annealed (soft)	$3,930.00
10916	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	26 ft. / 7.92 m Temper: Annealed (soft)	$4,087.20
11404	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	32.808 ft. / 10.00 m Temper: Annealed (soft)	$5,157.50
4016	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	40 ft. / 12.192 m Temper: Annealed (soft)	$6,256.00
4022	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	50 ft. / 15.2 m Temper: Annealed (soft)	$7,815.00
4972	87 % Platinum, 13 % Rhodium	0.020 in. / 0.5 mm / 24 gauge	1000 in. / 83.33 ft. / 25.4 m	$10,202.60
P/N	Purity	Diameter	Length	Price
3977	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	12 in. / 1 ft. / 0.305 m	$262.03
3976	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	24 in. / 2 ft. / 0.610 m	$462.80
3982	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	3 ft. / 0.914 m	$580.40
3987	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	3.281 ft. / 1.00 m	$620.45
3993	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	5 ft. / 1.524 m	Request quote
3997	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	7 ft. / 2.134 m	Request quote
4006	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	10 ft. / 3.048 m	Request quote
4011	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	25 ft. / 7.620 m	$2,997.60
4017	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	40 ft. / 12.192 m	$4,756.16
4023	80% Platinum, 20% Rhodium	0.020 in. / 0.5 mm / 24 gauge	50 ft. / 15.2 m	$5,562.40

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Platinum Rhodium

Buy Platinum Rhodium Wire and Rod from Surepure Chemetals

Diameter: 0.020 in. / 0.5 mm / 24 gauge

Select a purity:

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Platinum Rhodium

Buy Platinum Rhodium Wire and Rod from Surepure Chemetals Diameter: 0.020 in. / 0.5 mm / 24 gauge

Buy Platinum Rhodium Wire and Rod from Surepure Chemetals

Diameter: 0.020 in. / 0.5 mm / 24 gauge