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Stainless Steels

Super – austenitic

UR™ 66

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UR™ 66 datasheet
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UR™ 66

STANDARDS
INDUSTEEL TRADEMARKS UNS ASTM EURONORMS EN SUS
UR™ 66 (Prev. UR™ B66) S31266 - 1.4659
X1CrNiMoCuNW24-22-6		 -
CHEMICAL ANALYSIS (%WEIGHT)
C Cr Ni Mo N Others
< 0,030 24 22 6 0,45 Mn = 3 ; W = 2 Cu = 1.5
PROPERTIES
0,2 Y.S. - Rp 0,2min ASTM / EN 0,2 Y.S. - Rp 0,2(2) typical value UTS - Rm min ASTM / EN UTS - Rm(2) typical value EI-A(1)% PREN(4) HOMOLOGATIONS
MPa Ksi MPa Ksi MPa Ksi MPa Ksi Last revised
420 61 490 71 800 116 880 128 50 55((5))
APPLICATIONS
CHEMICAL INDUSTRIES PROCESS INDUSTRIES WATER TREATMENT STORAGE & TRANSPORTATION
Nitric Acid Sulfuric Acid Polymer & other acids Fertilisers Pulp & Paper Hydrome-tallurgy Sea water & desalination Fresh water & Tanks Waste Water Chemical Tanks Cryogenic Tanks Renewable
POWER GENERATION OIL & GAS CONSTRUCTION
Nuclear Pollution control Hydroelectric Renewable Off & Onshore & production Refining & Gas processing Petrochemical Architecture Bridges

 

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UR™ 66

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(1) Indicative typical values
(2) Indicative typical values for thickness 20 mm at RT for transverse direction
(3) Hardening 496°C (925°F), 4h, air cooling
(4) PREN = Cr + 3.3 Mo + 16N
(5) PRENW = Cr + 3.3(Mo + 0.5W) + 16N
(6) HT: mechanical properties depend on heat treatment

Technical data and information are to the best of our knowledge at the time of publication. However, they may be subjected to some slight variations due to our ongoing research programmes. Therefore, we suggest that information be verified at time of enquiry or order. Furthermore, in service, real conditions are specific for each application. The data presented here are for the purpose of description only, and can be considered as guarantees only when written formal approval has been provided by our company. Industeel reserves the right to change its product range at any time without prior notice.