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Plate UR™ 347
Plates

Plate UR™ 347

Niobium-stabilised austenitic stainless steel for high-temperature piping

Key parameters of Plate UR™ 347
Grade 347 / 1.4550 · UNS S34700
Standard EN 10088-2 / ASTM A240
Thickness 4–150 mm
Width 1250–3500 mm
Supplier INDUSTEEL (ArcelorMittal)
Lead time 6–10 weeks (subject to MOQ)
ISO 9001:2015 EN 10204 3.1

Technical data

Technical data

Chemical composition [%]

Chemical composition of Plate UR™ 347 in percent
C ≤ 0.08
Cr 17.0–19.0
Ni 9.0–13.0
Nb 10×C–1.00
Mn ≤ 2.0

Mechanical properties

Mechanical properties Plate UR™ 347
Yield strength Rp0.2 ≥ 205 MPa
Tensile strength Rm 500–720 MPa
Elongation A5 ≥ 40 %
Hardness HB ≤ 215

Niobium stabilisation, an alternative to 321 for higher temperatures and welded pressure systems.

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Sales department

Usually within 24 hours, depending on the complexity of the specification

+420 224 234 322 pragointer@pragointer.cz