Tubes de zirconium

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Description du produit

Zirconium tube is a tubular product made of zirconium material, which has the characteristics of high temperature resistance and corrosion resistance. In the nuclear industry, chemical industry, metallurgy and other fields, zirconium tubes are widely used, especially when they need to withstand extreme conditions, such as high temperature, high pressure or highly corrosive environments.

Echnique	Zirconium Welded Tube, Zirconium Seamless Tube
Grade	R60702, R60704, R60705
Standard	ASTM B523, ASTM B353, ASTM B658
Size	OD(0.5-200)mmWT(0.1-20)mmL(MAX 20000)mm
Shape	Round, Square
Surface	Polished or According To Customer's Requirement
Processing	Hot Rolling, Cold Rolling, Drawing, Extruded

Chemical Composition
Grade	Element composition (%) <
Grade	Zr+Hf	Hf	Fe+Cr	Sn	H	N	C	Nb	O
R60702	99.2	4.5	0.2	--	0.005	0.025	0.05	--	0.16
R60703	98	4.5	--	--	0.005	0.025	--	--	--
R60704	97.5	4.5	0.20~0.40	1.0~2.0	0.005	0.025	0.05	--	0.18
R60705	95.5	4.5	0.2	--	0.005	0.025	0.05	2.0~3.0	0.18
R60706	95.5	4.5	0.2	--	0.005	0.025	0.05	2.0~3.0	0.16

Mechanical Properties
Material	State	Rm (≥)/MPa	Rp0.2 (≥)/MPa	A50mm (≥)/%
Zirconium 702	Annealed	379	207	16
(UNS R60702)
Zirconium 704	Annealed	413	241	14
(UNS R60704)
Zirconium 705	Annealed	552	379	16
(UNS R60705)

The following are some characteristics of zirconium tubes:

1. High melting point: The melting point of zirconium is very high, about 1852°C, which allows zirconium tubes to be used in operations at high temperatures.
2. Corrosion resistance: Zirconium has good resistance to many chemicals, including acids, alkalis, and salts, so it can be used to handle a variety of corrosive substances.
3. Anti-oxidation: At high temperatures, many metal materials will oxidize rapidly, but zirconium can form a protective oxide film at high temperatures, thus having good oxidation resistance.
4. Low pollution: Due to the good chemical stability of zirconium, it does not easily react with other substances, so it can reduce the introduction of impurities and improve product purity.
5. Good thermal conductivity: Zirconium has a high thermal conductivity, allowing the zirconium tube to effectively transfer heat during the heat exchange process.

6. Good mechanical properties: Zirconium has good strength and hardness, which makes the zirconium tube have good stability when subjected to high pressure or mechanical stress.

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