Zirconium tubes

Zirconium tubing suitable for environments and applications where the properties of stainless steels are not sufficient.

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Sandvik zirconium tubing is available in size range outside diameter 9.53–38.1 mm (3/8–1½ in.) with wall thicknesses from 0.7 to 5 mm (0.0275 to 0.1968 in.). Zirconium tubes are delivered in straight lengths or as U-bent tubes.

We also supply zirconium complementary products for heat exchanger applications.

The Sandvik program of zirconium alloy tubing also covers nuclear fuel tubes, which is one of many products in our extensive offer for applications within the area of nuclear power generation.

Grade and standards

Zirconium tube grade

Sandvik gradeUNSASTM/ASMEW.Nr.AFNOR
Zr 702 R60702 R60702 - -
Sandvik gradeDescription
Zr 702 Medium-strength pure zirconium.
Type of productGrade(s)Technical requirements
according to
Zirconium tubes and pipes Zirconium 702 (Zr-702) ASTM B523/ASME SB523
DIN 2462 D3/T3 or closer

Mechanical properties

Sandvik gradeUNSProof strength
Rp0.2 MPa min		Tensile strength
Rm MPa min		Elongation
A % min
Zr 702 R60702 380 205 16

Sizes and tolerances

Sizes and tolerances for zirconium tubes

Sandvik zirconium tubes are available in size range outside diameter 9.53-38.1 mm (3/8 - 1 1/2 in.) with wall thicknesses from 0.7 to 5 mm (0.0275 to 0.1968 in.)*.

OD = outside diameter
WT = wall thickness

Size OD, mm (in.)Tolerances OD, mm (in.)WT min wall %
< 25.4 (< 3/8) ±0.102 (0.004) +20/-0
25.4-38.1 (1-1 1/2) ±0.127 (0.005) +20/-0

Tolerances for OD < 15.9 or > 38.1 - or closer tolerances - after special agreement.

*Limitations for some ratios of OD/WT exist

Standards
Type of productGrade(s)Technical requirements
Zirconium tubes and pipes Zirconium 702 (Zr-702) ASTM B523/ASME SB523
DIN 2462 D3/T3 or closer

Lengths

Zirconium tubes are delivered in straight lengths up to 16.5 meters (54 ft). U-bent tubes are available on request.